diff options
Diffstat (limited to 'src/test/librbd/test_librbd.cc')
| -rw-r--r-- | src/test/librbd/test_librbd.cc | 9475 |
1 files changed, 9475 insertions, 0 deletions
diff --git a/src/test/librbd/test_librbd.cc b/src/test/librbd/test_librbd.cc new file mode 100644 index 000000000..76f9dab40 --- /dev/null +++ b/src/test/librbd/test_librbd.cc @@ -0,0 +1,9475 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2011 New Dream Network + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License version 2, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#include "include/int_types.h" +#include "include/rados/librados.h" +#include "include/rbd_types.h" +#include "include/rbd/librbd.h" +#include "include/rbd/librbd.hpp" +#include "include/event_type.h" +#include "include/err.h" +#include "common/ceph_mutex.h" +#include "json_spirit/json_spirit.h" + +#include "gtest/gtest.h" + +#include <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <poll.h> +#include <time.h> +#include <unistd.h> +#include <algorithm> +#include <chrono> +#include <condition_variable> +#include <iostream> +#include <sstream> +#include <list> +#include <set> +#include <thread> +#include <vector> +#include <limits> + +#include "test/librados/test.h" +#include "test/librados/test_cxx.h" +#include "test/librbd/test_support.h" +#include "common/event_socket.h" +#include "include/interval_set.h" +#include "include/stringify.h" + +#include <boost/assign/list_of.hpp> +#include <boost/scope_exit.hpp> + +#ifdef HAVE_EVENTFD +#include <sys/eventfd.h> +#endif + +#pragma GCC diagnostic ignored "-Wpragmas" +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" + +using namespace std; + +using std::chrono::seconds; + +#define ASSERT_PASSED(x, args...) \ + do { \ + bool passed = false; \ + x(args, &passed); \ + ASSERT_TRUE(passed); \ + } while(0) + +void register_test_librbd() { +} + +static int get_features(bool *old_format, uint64_t *features) +{ + const char *c = getenv("RBD_FEATURES"); + if (c && strlen(c) > 0) { + stringstream ss; + ss << c; + ss >> *features; + if (ss.fail()) + return -EINVAL; + *old_format = false; + cout << "using new format!" << std::endl; + } else { + *old_format = true; + *features = 0; + cout << "using old format" << std::endl; + } + + return 0; +} + +static int create_image_full(rados_ioctx_t ioctx, const char *name, + uint64_t size, int *order, int old_format, + uint64_t features) +{ + if (old_format) { + // ensure old-format tests actually use the old format + int r = rados_conf_set(rados_ioctx_get_cluster(ioctx), + "rbd_default_format", "1"); + if (r < 0) { + return r; + } + return rbd_create(ioctx, name, size, order); + } else if ((features & RBD_FEATURE_STRIPINGV2) != 0) { + uint64_t stripe_unit = IMAGE_STRIPE_UNIT; + if (*order) { + // use a conservative stripe_unit for non default order + stripe_unit = (1ull << (*order-1)); + } + + printf("creating image with stripe unit: %" PRIu64 ", " + "stripe count: %" PRIu64 "\n", + stripe_unit, IMAGE_STRIPE_COUNT); + return rbd_create3(ioctx, name, size, features, order, + stripe_unit, IMAGE_STRIPE_COUNT); + } else { + return rbd_create2(ioctx, name, size, features, order); + } +} + +static int clone_image(rados_ioctx_t p_ioctx, + rbd_image_t p_image, const char *p_name, + const char *p_snap_name, rados_ioctx_t c_ioctx, + const char *c_name, uint64_t features, int *c_order) +{ + uint64_t stripe_unit, stripe_count; + + int r; + r = rbd_get_stripe_unit(p_image, &stripe_unit); + if (r != 0) { + return r; + } + + r = rbd_get_stripe_count(p_image, &stripe_count); + if (r != 0) { + return r; + } + + return rbd_clone2(p_ioctx, p_name, p_snap_name, c_ioctx, + c_name, features, c_order, stripe_unit, stripe_count); +} + + +static int create_image(rados_ioctx_t ioctx, const char *name, + uint64_t size, int *order) +{ + bool old_format; + uint64_t features; + + int r = get_features(&old_format, &features); + if (r < 0) + return r; + return create_image_full(ioctx, name, size, order, old_format, features); +} + +static int create_image_pp(librbd::RBD &rbd, + librados::IoCtx &ioctx, + const char *name, + uint64_t size, int *order) { + bool old_format; + uint64_t features; + int r = get_features(&old_format, &features); + if (r < 0) + return r; + if (old_format) { + librados::Rados rados(ioctx); + int r = rados.conf_set("rbd_default_format", "1"); + if (r < 0) { + return r; + } + return rbd.create(ioctx, name, size, order); + } else { + return rbd.create2(ioctx, name, size, features, order); + } +} + + + +void simple_write_cb(rbd_completion_t cb, void *arg) +{ + printf("write completion cb called!\n"); +} + +void simple_read_cb(rbd_completion_t cb, void *arg) +{ + printf("read completion cb called!\n"); +} + +void aio_write_test_data_and_poll(rbd_image_t image, int fd, const char *test_data, + uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + uint64_t data = 0x123; + rbd_aio_create_completion((void*)&data, (rbd_callback_t) simple_write_cb, &comp); + printf("created completion\n"); + printf("started write\n"); + if (iohint) + rbd_aio_write2(image, off, len, test_data, comp, iohint); + else + rbd_aio_write(image, off, len, test_data, comp); + + struct pollfd pfd; + pfd.fd = fd; + pfd.events = POLLIN; + + ASSERT_EQ(1, poll(&pfd, 1, -1)); + ASSERT_TRUE(pfd.revents & POLLIN); + + rbd_completion_t comps[1]; + ASSERT_EQ(1, rbd_poll_io_events(image, comps, 1)); + uint64_t count; + ASSERT_EQ(static_cast<ssize_t>(sizeof(count)), + read(fd, &count, sizeof(count))); + int r = rbd_aio_get_return_value(comps[0]); + ASSERT_TRUE(rbd_aio_is_complete(comps[0])); + ASSERT_TRUE(*(uint64_t*)rbd_aio_get_arg(comps[0]) == data); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished write\n"); + rbd_aio_release(comps[0]); + *passed = true; +} + +void aio_write_test_data(rbd_image_t image, const char *test_data, uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_write_cb, &comp); + printf("created completion\n"); + if (iohint) + rbd_aio_write2(image, off, len, test_data, comp, iohint); + else + rbd_aio_write(image, off, len, test_data, comp); + printf("started write\n"); + rbd_aio_wait_for_complete(comp); + int r = rbd_aio_get_return_value(comp); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished write\n"); + rbd_aio_release(comp); + *passed = true; +} + +void write_test_data(rbd_image_t image, const char *test_data, uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + ssize_t written; + if (iohint) + written = rbd_write2(image, off, len, test_data, iohint); + else + written = rbd_write(image, off, len, test_data); + printf("wrote: %d\n", (int) written); + ASSERT_EQ(len, static_cast<size_t>(written)); + *passed = true; +} + +void aio_discard_test_data(rbd_image_t image, uint64_t off, uint64_t len, bool *passed) +{ + rbd_completion_t comp; + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_write_cb, &comp); + rbd_aio_discard(image, off, len, comp); + rbd_aio_wait_for_complete(comp); + int r = rbd_aio_get_return_value(comp); + ASSERT_EQ(0, r); + printf("aio discard: %d~%d = %d\n", (int)off, (int)len, (int)r); + rbd_aio_release(comp); + *passed = true; +} + +void discard_test_data(rbd_image_t image, uint64_t off, size_t len, bool *passed) +{ + ssize_t written; + written = rbd_discard(image, off, len); + printf("discard: %d~%d = %d\n", (int)off, (int)len, (int)written); + ASSERT_EQ(len, static_cast<size_t>(written)); + *passed = true; +} + +void aio_read_test_data_and_poll(rbd_image_t image, int fd, const char *expected, + uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + char *result = (char *)malloc(len + 1); + + ASSERT_NE(static_cast<char *>(NULL), result); + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + printf("created completion\n"); + printf("started read\n"); + if (iohint) + rbd_aio_read2(image, off, len, result, comp, iohint); + else + rbd_aio_read(image, off, len, result, comp); + + struct pollfd pfd; + pfd.fd = fd; + pfd.events = POLLIN; + + ASSERT_EQ(1, poll(&pfd, 1, -1)); + ASSERT_TRUE(pfd.revents & POLLIN); + + rbd_completion_t comps[1]; + ASSERT_EQ(1, rbd_poll_io_events(image, comps, 1)); + uint64_t count; + ASSERT_EQ(static_cast<ssize_t>(sizeof(count)), + read(fd, &count, sizeof(count))); + + int r = rbd_aio_get_return_value(comps[0]); + ASSERT_TRUE(rbd_aio_is_complete(comps[0])); + printf("return value is: %d\n", r); + ASSERT_EQ(len, static_cast<size_t>(r)); + rbd_aio_release(comps[0]); + if (memcmp(result, expected, len)) { + printf("read: %s\nexpected: %s\n", result, expected); + ASSERT_EQ(0, memcmp(result, expected, len)); + } + free(result); + *passed = true; +} + +void aio_read_test_data(rbd_image_t image, const char *expected, uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + char *result = (char *)malloc(len + 1); + + ASSERT_NE(static_cast<char *>(NULL), result); + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + printf("created completion\n"); + if (iohint) + rbd_aio_read2(image, off, len, result, comp, iohint); + else + rbd_aio_read(image, off, len, result, comp); + printf("started read\n"); + rbd_aio_wait_for_complete(comp); + int r = rbd_aio_get_return_value(comp); + printf("return value is: %d\n", r); + ASSERT_EQ(len, static_cast<size_t>(r)); + rbd_aio_release(comp); + if (memcmp(result, expected, len)) { + printf("read: %s\nexpected: %s\n", result, expected); + ASSERT_EQ(0, memcmp(result, expected, len)); + } + free(result); + *passed = true; +} + +void read_test_data(rbd_image_t image, const char *expected, uint64_t off, size_t len, uint32_t iohint, bool *passed) +{ + ssize_t read; + char *result = (char *)malloc(len + 1); + + ASSERT_NE(static_cast<char *>(NULL), result); + if (iohint) + read = rbd_read2(image, off, len, result, iohint); + else + read = rbd_read(image, off, len, result); + printf("read: %d\n", (int) read); + ASSERT_EQ(len, static_cast<size_t>(read)); + result[len] = '\0'; + if (memcmp(result, expected, len)) { + printf("read: %s\nexpected: %s\n", result, expected); + ASSERT_EQ(0, memcmp(result, expected, len)); + } + free(result); + *passed = true; +} + +void aio_writesame_test_data(rbd_image_t image, const char *test_data, uint64_t off, uint64_t len, + uint64_t data_len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_write_cb, &comp); + printf("created completion\n"); + int r; + r = rbd_aio_writesame(image, off, len, test_data, data_len, comp, iohint); + printf("started writesame\n"); + if (len % data_len) { + ASSERT_EQ(-EINVAL, r); + printf("expected fail, finished writesame\n"); + rbd_aio_release(comp); + *passed = true; + return; + } + + rbd_aio_wait_for_complete(comp); + r = rbd_aio_get_return_value(comp); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished writesame\n"); + rbd_aio_release(comp); + + //verify data + printf("to verify the data\n"); + ssize_t read; + char *result = (char *)malloc(data_len+ 1); + ASSERT_NE(static_cast<char *>(NULL), result); + uint64_t left = len; + while (left > 0) { + read = rbd_read(image, off, data_len, result); + ASSERT_EQ(data_len, static_cast<size_t>(read)); + result[data_len] = '\0'; + if (memcmp(result, test_data, data_len)) { + printf("read: %d ~ %d\n", (int) off, (int) read); + printf("read: %s\nexpected: %s\n", result, test_data); + ASSERT_EQ(0, memcmp(result, test_data, data_len)); + } + off += data_len; + left -= data_len; + } + ASSERT_EQ(0U, left); + free(result); + printf("verified\n"); + + *passed = true; +} + +void writesame_test_data(rbd_image_t image, const char *test_data, uint64_t off, uint64_t len, + uint64_t data_len, uint32_t iohint, bool *passed) +{ + ssize_t written; + written = rbd_writesame(image, off, len, test_data, data_len, iohint); + if (len % data_len) { + ASSERT_EQ(-EINVAL, written); + printf("expected fail, finished writesame\n"); + *passed = true; + return; + } + ASSERT_EQ(len, static_cast<size_t>(written)); + printf("wrote: %d\n", (int) written); + + //verify data + printf("to verify the data\n"); + ssize_t read; + char *result = (char *)malloc(data_len+ 1); + ASSERT_NE(static_cast<char *>(NULL), result); + uint64_t left = len; + while (left > 0) { + read = rbd_read(image, off, data_len, result); + ASSERT_EQ(data_len, static_cast<size_t>(read)); + result[data_len] = '\0'; + if (memcmp(result, test_data, data_len)) { + printf("read: %d ~ %d\n", (int) off, (int) read); + printf("read: %s\nexpected: %s\n", result, test_data); + ASSERT_EQ(0, memcmp(result, test_data, data_len)); + } + off += data_len; + left -= data_len; + } + ASSERT_EQ(0U, left); + free(result); + printf("verified\n"); + + *passed = true; +} + +void aio_compare_and_write_test_data(rbd_image_t image, const char *cmp_data, + const char *test_data, uint64_t off, + size_t len, uint32_t iohint, bool *passed) +{ + rbd_completion_t comp; + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_write_cb, &comp); + printf("created completion\n"); + + uint64_t mismatch_offset; + rbd_aio_compare_and_write(image, off, len, cmp_data, test_data, comp, &mismatch_offset, iohint); + printf("started aio compare and write\n"); + rbd_aio_wait_for_complete(comp); + int r = rbd_aio_get_return_value(comp); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished aio compare and write\n"); + rbd_aio_release(comp); + *passed = true; +} + +void compare_and_write_test_data(rbd_image_t image, const char *cmp_data, + const char *test_data, uint64_t off, size_t len, + uint64_t *mismatch_off, uint32_t iohint, bool *passed) +{ + printf("start compare and write\n"); + ssize_t written; + written = rbd_compare_and_write(image, off, len, cmp_data, test_data, mismatch_off, iohint); + printf("compare and wrote: %d\n", (int) written); + ASSERT_EQ(len, static_cast<size_t>(written)); + *passed = true; +} + +class TestLibRBD : public ::testing::Test { +public: + + TestLibRBD() : m_pool_number() { + } + + static void SetUpTestCase() { + _pool_names.clear(); + _unique_pool_names.clear(); + _image_number = 0; + ASSERT_EQ("", connect_cluster(&_cluster)); + ASSERT_EQ("", connect_cluster_pp(_rados)); + + create_optional_data_pool(); + } + + static void TearDownTestCase() { + rados_shutdown(_cluster); + _rados.wait_for_latest_osdmap(); + _pool_names.insert(_pool_names.end(), _unique_pool_names.begin(), + _unique_pool_names.end()); + for (size_t i = 1; i < _pool_names.size(); ++i) { + ASSERT_EQ(0, _rados.pool_delete(_pool_names[i].c_str())); + } + if (!_pool_names.empty()) { + ASSERT_EQ(0, destroy_one_pool_pp(_pool_names[0], _rados)); + } + } + + void SetUp() override { + ASSERT_NE("", m_pool_name = create_pool()); + } + + bool is_skip_partial_discard_enabled() { + std::string value; + EXPECT_EQ(0, _rados.conf_get("rbd_skip_partial_discard", value)); + return value == "true"; + } + + bool is_skip_partial_discard_enabled(rbd_image_t image) { + if (is_skip_partial_discard_enabled()) { + rbd_flush(image); + uint64_t features; + EXPECT_EQ(0, rbd_get_features(image, &features)); + return !(features & RBD_FEATURE_DIRTY_CACHE); + } + return false; + } + + bool is_skip_partial_discard_enabled(librbd::Image& image) { + if (is_skip_partial_discard_enabled()) { + image.flush(); + uint64_t features; + EXPECT_EQ(0, image.features(&features)); + return !(features & RBD_FEATURE_DIRTY_CACHE); + } + return false; + } + + void validate_object_map(rbd_image_t image, bool *passed) { + uint64_t flags; + ASSERT_EQ(0, rbd_get_flags(image, &flags)); + *passed = ((flags & RBD_FLAG_OBJECT_MAP_INVALID) == 0); + } + + void validate_object_map(librbd::Image &image, bool *passed) { + uint64_t flags; + ASSERT_EQ(0, image.get_flags(&flags)); + *passed = ((flags & RBD_FLAG_OBJECT_MAP_INVALID) == 0); + } + + static std::string get_temp_image_name() { + ++_image_number; + return "image" + stringify(_image_number); + } + + static void create_optional_data_pool() { + bool created = false; + std::string data_pool; + ASSERT_EQ(0, create_image_data_pool(_rados, data_pool, &created)); + if (!data_pool.empty()) { + printf("using image data pool: %s\n", data_pool.c_str()); + if (created) { + _unique_pool_names.push_back(data_pool); + } + } + } + + std::string create_pool(bool unique = false) { + librados::Rados rados; + std::string pool_name; + if (unique) { + pool_name = get_temp_pool_name("test-librbd-"); + EXPECT_EQ("", create_one_pool_pp(pool_name, rados)); + _unique_pool_names.push_back(pool_name); + } else if (m_pool_number < _pool_names.size()) { + pool_name = _pool_names[m_pool_number]; + } else { + pool_name = get_temp_pool_name("test-librbd-"); + EXPECT_EQ("", create_one_pool_pp(pool_name, rados)); + _pool_names.push_back(pool_name); + } + ++m_pool_number; + return pool_name; + } + + void test_io(rbd_image_t image) { + bool skip_discard = is_skip_partial_discard_enabled(image); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + char mismatch_data[TEST_IO_SIZE + 1]; + int i; + uint64_t mismatch_offset; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + memset(zero_data, 0, sizeof(zero_data)); + memset(mismatch_data, 9, sizeof(mismatch_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, 0); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(compare_and_write_test_data, image, test_data, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, &mismatch_offset, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_compare_and_write_test_data, image, test_data, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, 0); + + // discard 2nd, 4th sections. + ASSERT_PASSED(discard_test_data, image, TEST_IO_SIZE, TEST_IO_SIZE); + ASSERT_PASSED(aio_discard_test_data, image, TEST_IO_SIZE*3, TEST_IO_SIZE); + + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*2, + TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE*3, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*4, + TEST_IO_SIZE, 0); + + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + } else if (i % 3 == 1) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } else { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } + } + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, + 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, + TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, + 0); + } else if (i % 3 == 1) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, + TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, + TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } else { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, + TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } + } + + rbd_image_info_t info; + rbd_completion_t comp; + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + // can't read or write starting past end + ASSERT_EQ(-EINVAL, rbd_write(image, info.size, 1, test_data)); + ASSERT_EQ(-EINVAL, rbd_read(image, info.size, 1, test_data)); + // reading through end returns amount up to end + ASSERT_EQ(10, rbd_read(image, info.size - 10, 100, test_data)); + // writing through end returns amount up to end + ASSERT_EQ(10, rbd_write(image, info.size - 10, 100, test_data)); + + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_write(image, info.size, 1, test_data, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(-EINVAL, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_read(image, info.size, 1, test_data, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(-EINVAL, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + ASSERT_PASSED(write_test_data, image, zero_data, 0, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_EQ(-EILSEQ, rbd_compare_and_write(image, 0, TEST_IO_SIZE, + mismatch_data, mismatch_data, &mismatch_offset, 0)); + ASSERT_EQ(0U, mismatch_offset); + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_compare_and_write(image, 0, TEST_IO_SIZE, mismatch_data, + mismatch_data, comp, &mismatch_offset, 0)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(0U, mismatch_offset); + rbd_aio_release(comp); + + ASSERT_PASSED(validate_object_map, image); + } + + static std::vector<std::string> _pool_names; + static std::vector<std::string> _unique_pool_names; + static rados_t _cluster; + static librados::Rados _rados; + static uint64_t _image_number; + + std::string m_pool_name; + uint32_t m_pool_number; + +}; + +std::vector<std::string> TestLibRBD::_pool_names; +std::vector<std::string> TestLibRBD::_unique_pool_names; +rados_t TestLibRBD::_cluster; +librados::Rados TestLibRBD::_rados; +uint64_t TestLibRBD::_image_number = 0; + +TEST_F(TestLibRBD, CreateAndStat) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_info_t info; + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + printf("image has size %llu and order %d\n", (unsigned long long) info.size, info.order); + ASSERT_EQ(info.size, size); + ASSERT_EQ(info.order, order); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, CreateWithSameDataPool) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_t image; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + rbd_image_options_t image_options; + rbd_image_options_create(&image_options); + BOOST_SCOPE_EXIT( (&image_options) ) { + rbd_image_options_destroy(image_options); + } BOOST_SCOPE_EXIT_END; + + ASSERT_EQ(0, rbd_image_options_set_uint64(image_options, + RBD_IMAGE_OPTION_FEATURES, + features)); + ASSERT_EQ(0, rbd_image_options_set_string(image_options, + RBD_IMAGE_OPTION_DATA_POOL, + m_pool_name.c_str())); + + ASSERT_EQ(0, rbd_create4(ioctx, name.c_str(), size, image_options)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, CreateAndStatPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::image_info_t info; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + ASSERT_EQ(0, image.stat(info, sizeof(info))); + ASSERT_EQ(info.size, size); + ASSERT_EQ(info.order, order); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, GetId) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + char id[4096]; + if (!is_feature_enabled(0)) { + // V1 image + ASSERT_EQ(-EINVAL, rbd_get_id(image, id, sizeof(id))); + } else { + ASSERT_EQ(-ERANGE, rbd_get_id(image, id, 0)); + ASSERT_EQ(0, rbd_get_id(image, id, sizeof(id))); + ASSERT_LT(0U, strlen(id)); + + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_open_by_id(ioctx, id, &image, NULL)); + size_t name_len = 0; + ASSERT_EQ(-ERANGE, rbd_get_name(image, NULL, &name_len)); + ASSERT_EQ(name_len, name.size() + 1); + char image_name[name_len]; + ASSERT_EQ(0, rbd_get_name(image, image_name, &name_len)); + ASSERT_STREQ(name.c_str(), image_name); + } + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, GetIdPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + + std::string id; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + if (!is_feature_enabled(0)) { + // V1 image + ASSERT_EQ(-EINVAL, image.get_id(&id)); + } else { + ASSERT_EQ(0, image.get_id(&id)); + ASSERT_LT(0U, id.size()); + + ASSERT_EQ(0, image.close()); + ASSERT_EQ(0, rbd.open_by_id(ioctx, image, id.c_str(), NULL)); + std::string image_name; + ASSERT_EQ(0, image.get_name(&image_name)); + ASSERT_EQ(name, image_name); + } +} + +TEST_F(TestLibRBD, GetBlockNamePrefix) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + char prefix[4096]; + ASSERT_EQ(-ERANGE, rbd_get_block_name_prefix(image, prefix, 0)); + ASSERT_EQ(0, rbd_get_block_name_prefix(image, prefix, sizeof(prefix))); + ASSERT_LT(0U, strlen(prefix)); + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, GetBlockNamePrefixPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + ASSERT_LT(0U, image.get_block_name_prefix().size()); +} + +TEST_F(TestLibRBD, TestGetCreateTimestamp) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + struct timespec timestamp; + ASSERT_EQ(0, rbd_get_create_timestamp(image, ×tamp)); + ASSERT_LT(0, timestamp.tv_sec); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, GetCreateTimestampPP) +{ + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + struct timespec timestamp; + ASSERT_EQ(0, image.get_create_timestamp(×tamp)); + ASSERT_LT(0, timestamp.tv_sec); +} + +TEST_F(TestLibRBD, OpenAio) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + rbd_image_info_t info; + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_completion_t open_comp; + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &open_comp)); + ASSERT_EQ(0, rbd_aio_open(ioctx, name.c_str(), &image, NULL, open_comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(open_comp)); + ASSERT_EQ(1, rbd_aio_is_complete(open_comp)); + ASSERT_EQ(0, rbd_aio_get_return_value(open_comp)); + rbd_aio_release(open_comp); + + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + printf("image has size %llu and order %d\n", (unsigned long long) info.size, info.order); + ASSERT_EQ(info.size, size); + ASSERT_EQ(info.order, order); + + rbd_completion_t close_comp; + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &close_comp)); + ASSERT_EQ(0, rbd_aio_close(image, close_comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(close_comp)); + ASSERT_EQ(1, rbd_aio_is_complete(close_comp)); + ASSERT_EQ(0, rbd_aio_get_return_value(close_comp)); + rbd_aio_release(close_comp); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, OpenAioFail) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + + std::string name = get_temp_image_name(); + rbd_image_t image; + rbd_completion_t open_comp; + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &open_comp)); + ASSERT_EQ(0, rbd_aio_open(ioctx, name.c_str(), &image, NULL, open_comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(open_comp)); + ASSERT_EQ(1, rbd_aio_is_complete(open_comp)); + ASSERT_EQ(-ENOENT, rbd_aio_get_return_value(open_comp)); + rbd_aio_release(open_comp); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, OpenAioPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::image_info_t info; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::RBD::AioCompletion *open_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, rbd.aio_open(ioctx, image, name.c_str(), NULL, open_comp)); + ASSERT_EQ(0, open_comp->wait_for_complete()); + ASSERT_EQ(1, open_comp->is_complete()); + ASSERT_EQ(0, open_comp->get_return_value()); + open_comp->release(); + + ASSERT_EQ(0, image.stat(info, sizeof(info))); + ASSERT_EQ(info.size, size); + ASSERT_EQ(info.order, order); + + // reopen + open_comp = new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, rbd.aio_open(ioctx, image, name.c_str(), NULL, open_comp)); + ASSERT_EQ(0, open_comp->wait_for_complete()); + ASSERT_EQ(1, open_comp->is_complete()); + ASSERT_EQ(0, open_comp->get_return_value()); + open_comp->release(); + + // close + librbd::RBD::AioCompletion *close_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_close(close_comp)); + ASSERT_EQ(0, close_comp->wait_for_complete()); + ASSERT_EQ(1, close_comp->is_complete()); + ASSERT_EQ(0, close_comp->get_return_value()); + close_comp->release(); + + // close closed image + close_comp = new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(-EINVAL, image.aio_close(close_comp)); + close_comp->release(); + + ioctx.close(); +} + +TEST_F(TestLibRBD, OpenAioFailPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + std::string name = get_temp_image_name(); + + librbd::RBD::AioCompletion *open_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, rbd.aio_open(ioctx, image, name.c_str(), NULL, open_comp)); + ASSERT_EQ(0, open_comp->wait_for_complete()); + ASSERT_EQ(1, open_comp->is_complete()); + ASSERT_EQ(-ENOENT, open_comp->get_return_value()); + open_comp->release(); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, ResizeAndStat) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_info_t info; + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_resize(image, size * 4)); + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + ASSERT_EQ(info.size, size * 4); + + ASSERT_EQ(0, rbd_resize(image, size / 2)); + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + ASSERT_EQ(info.size, size / 2); + + // downsizing without allowing shrink should fail + // and image size should not change + ASSERT_EQ(-EINVAL, rbd_resize2(image, size / 4, false, NULL, NULL)); + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + ASSERT_EQ(info.size, size / 2); + + ASSERT_EQ(0, rbd_resize2(image, size / 4, true, NULL, NULL)); + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + ASSERT_EQ(info.size, size / 4); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, ResizeAndStatPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::image_info_t info; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ASSERT_EQ(0, image.resize(size * 4)); + ASSERT_EQ(0, image.stat(info, sizeof(info))); + ASSERT_EQ(info.size, size * 4); + + ASSERT_EQ(0, image.resize(size / 2)); + ASSERT_EQ(0, image.stat(info, sizeof(info))); + ASSERT_EQ(info.size, size / 2); + ASSERT_PASSED(validate_object_map, image); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, UpdateWatchAndResize) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + struct Watcher { + rbd_image_t &m_image; + std::mutex m_lock; + std::condition_variable m_cond; + size_t m_size = 0; + static void cb(void *arg) { + Watcher *watcher = static_cast<Watcher *>(arg); + watcher->handle_notify(); + } + explicit Watcher(rbd_image_t &image) : m_image(image) {} + void handle_notify() { + rbd_image_info_t info; + ASSERT_EQ(0, rbd_stat(m_image, &info, sizeof(info))); + std::lock_guard<std::mutex> locker(m_lock); + m_size = info.size; + m_cond.notify_one(); + } + void wait_for_size(size_t size) { + std::unique_lock<std::mutex> locker(m_lock); + ASSERT_TRUE(m_cond.wait_for(locker, seconds(5), + [size, this] { + return this->m_size == size;})); + } + } watcher(image); + uint64_t handle; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_update_watch(image, &handle, Watcher::cb, &watcher)); + + ASSERT_EQ(0, rbd_resize(image, size * 4)); + watcher.wait_for_size(size * 4); + + ASSERT_EQ(0, rbd_resize(image, size / 2)); + watcher.wait_for_size(size / 2); + + ASSERT_EQ(0, rbd_update_unwatch(image, handle)); + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, UpdateWatchAndResizePP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + struct Watcher : public librbd::UpdateWatchCtx { + explicit Watcher(librbd::Image &image) : m_image(image) { + } + void handle_notify() override { + librbd::image_info_t info; + ASSERT_EQ(0, m_image.stat(info, sizeof(info))); + std::lock_guard<std::mutex> locker(m_lock); + m_size = info.size; + m_cond.notify_one(); + } + void wait_for_size(size_t size) { + std::unique_lock<std::mutex> locker(m_lock); + ASSERT_TRUE(m_cond.wait_for(locker, seconds(5), + [size, this] { + return this->m_size == size;})); + } + librbd::Image &m_image; + std::mutex m_lock; + std::condition_variable m_cond; + size_t m_size = 0; + } watcher(image); + uint64_t handle; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ASSERT_EQ(0, image.update_watch(&watcher, &handle)); + + ASSERT_EQ(0, image.resize(size * 4)); + watcher.wait_for_size(size * 4); + + ASSERT_EQ(0, image.resize(size / 2)); + watcher.wait_for_size(size / 2); + + ASSERT_EQ(0, image.update_unwatch(handle)); + } + + ioctx.close(); +} + +int test_ls(rados_ioctx_t io_ctx, size_t num_expected, ...) +{ + int num_images, i; + char *names, *cur_name; + va_list ap; + size_t max_size = 1024; + + names = (char *) malloc(sizeof(char) * 1024); + int len = rbd_list(io_ctx, names, &max_size); + + std::set<std::string> image_names; + for (i = 0, num_images = 0, cur_name = names; cur_name < names + len; i++) { + printf("image: %s\n", cur_name); + image_names.insert(cur_name); + cur_name += strlen(cur_name) + 1; + num_images++; + } + free(names); + + va_start(ap, num_expected); + for (i = num_expected; i > 0; i--) { + char *expected = va_arg(ap, char *); + printf("expected = %s\n", expected); + std::set<std::string>::iterator it = image_names.find(expected); + if (it != image_names.end()) { + printf("found %s\n", expected); + image_names.erase(it); + printf("erased %s\n", expected); + } else { + ADD_FAILURE() << "Unable to find image " << expected; + va_end(ap); + return -ENOENT; + } + } + va_end(ap); + + if (!image_names.empty()) { + ADD_FAILURE() << "Unexpected images discovered"; + return -EINVAL; + } + return num_images; +} + +TEST_F(TestLibRBD, TestCreateLsDelete) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, create_pool(true).c_str(), &ioctx); + + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, test_ls(ioctx, 0)); + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(1, test_ls(ioctx, 1, name.c_str())); + ASSERT_EQ(0, create_image(ioctx, name2.c_str(), size, &order)); + ASSERT_EQ(2, test_ls(ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd_remove(ioctx, name.c_str())); + ASSERT_EQ(1, test_ls(ioctx, 1, name2.c_str())); + + ASSERT_EQ(-ENOENT, rbd_remove(ioctx, name.c_str())); + + rados_ioctx_destroy(ioctx); +} + +int test_ls_pp(librbd::RBD& rbd, librados::IoCtx& io_ctx, size_t num_expected, ...) +{ + int r; + size_t i; + va_list ap; + vector<string> names; + r = rbd.list(io_ctx, names); + if (r == -ENOENT) + r = 0; + EXPECT_TRUE(r >= 0); + cout << "num images is: " << names.size() << std::endl + << "expected: " << num_expected << std::endl; + int num = names.size(); + + for (i = 0; i < names.size(); i++) { + cout << "image: " << names[i] << std::endl; + } + + va_start(ap, num_expected); + for (i = num_expected; i > 0; i--) { + char *expected = va_arg(ap, char *); + cout << "expected = " << expected << std::endl; + vector<string>::iterator listed_name = find(names.begin(), names.end(), string(expected)); + if (listed_name == names.end()) { + ADD_FAILURE() << "Unable to find image " << expected; + va_end(ap); + return -ENOENT; + } + names.erase(listed_name); + } + va_end(ap); + + if (!names.empty()) { + ADD_FAILURE() << "Unexpected images discovered"; + return -EINVAL; + } + return num; +} + +TEST_F(TestLibRBD, TestCreateLsDeletePP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(create_pool(true).c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(1, test_ls_pp(rbd, ioctx, 1, name.c_str())); + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name2.c_str(), size, &order)); + ASSERT_EQ(2, test_ls_pp(rbd, ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd.remove(ioctx, name.c_str())); + ASSERT_EQ(1, test_ls_pp(rbd, ioctx, 1, name2.c_str())); + } + + ioctx.close(); +} + + +static int print_progress_percent(uint64_t offset, uint64_t src_size, + void *data) +{ + float percent = ((float)offset * 100) / src_size; + printf("%3.2f%% done\n", percent); + return 0; +} + +TEST_F(TestLibRBD, TestCopy) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, create_pool(true).c_str(), &ioctx); + + rbd_image_t image; + rbd_image_t image2; + rbd_image_t image3; + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + std::string name3 = get_temp_image_name(); + + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(1, test_ls(ioctx, 1, name.c_str())); + + size_t sum_key_len = 0; + size_t sum_value_len = 0; + std::string key; + std::string val; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_set(image, key.c_str(), val.c_str())); + + sum_key_len += (key.size() + 1); + sum_value_len += (val.size() + 1); + } + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + char value[1024]; + size_t value_len = sizeof(value); + + ASSERT_EQ(0, rbd_copy(image, ioctx, name2.c_str())); + ASSERT_EQ(2, test_ls(ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd_open(ioctx, name2.c_str(), &image2, NULL)); + ASSERT_EQ(0, rbd_metadata_list(image2, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image2, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + + ASSERT_EQ(0, rbd_copy_with_progress(image, ioctx, name3.c_str(), + print_progress_percent, NULL)); + ASSERT_EQ(3, test_ls(ioctx, 3, name.c_str(), name2.c_str(), name3.c_str())); + + keys_len = sizeof(keys); + vals_len = sizeof(vals); + ASSERT_EQ(0, rbd_open(ioctx, name3.c_str(), &image3, NULL)); + ASSERT_EQ(0, rbd_metadata_list(image3, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image3, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_close(image2)); + ASSERT_EQ(0, rbd_close(image3)); + rados_ioctx_destroy(ioctx); +} + +class PrintProgress : public librbd::ProgressContext +{ +public: + int update_progress(uint64_t offset, uint64_t src_size) override + { + float percent = ((float)offset * 100) / src_size; + printf("%3.2f%% done\n", percent); + return 0; + } +}; + +TEST_F(TestLibRBD, TestCopyPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(create_pool(true).c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + librbd::Image image2; + librbd::Image image3; + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + std::string name3 = get_temp_image_name(); + uint64_t size = 2 << 20; + PrintProgress pp; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + std::string key; + std::string val; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image.metadata_set(key, val)); + } + + ASSERT_EQ(1, test_ls_pp(rbd, ioctx, 1, name.c_str())); + ASSERT_EQ(0, image.copy(ioctx, name2.c_str())); + ASSERT_EQ(2, test_ls_pp(rbd, ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd.open(ioctx, image2, name2.c_str(), NULL)); + + map<string, bufferlist> pairs; + std::string value; + ASSERT_EQ(0, image2.metadata_list("", 70, &pairs)); + ASSERT_EQ(70U, pairs.size()); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image2.metadata_get(key.c_str(), &value)); + ASSERT_STREQ(val.c_str(), value.c_str()); + } + + ASSERT_EQ(0, image.copy_with_progress(ioctx, name3.c_str(), pp)); + ASSERT_EQ(3, test_ls_pp(rbd, ioctx, 3, name.c_str(), name2.c_str(), + name3.c_str())); + ASSERT_EQ(0, rbd.open(ioctx, image3, name3.c_str(), NULL)); + + pairs.clear(); + ASSERT_EQ(0, image3.metadata_list("", 70, &pairs)); + ASSERT_EQ(70U, pairs.size()); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image3.metadata_get(key.c_str(), &value)); + ASSERT_STREQ(val.c_str(), value.c_str()); + } + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, TestDeepCopy) +{ + REQUIRE_FORMAT_V2(); + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, create_pool(true).c_str(), &ioctx); + BOOST_SCOPE_EXIT_ALL( (&ioctx) ) { + rados_ioctx_destroy(ioctx); + }; + + rbd_image_t image; + rbd_image_t image2; + rbd_image_t image3; + rbd_image_t image4; + rbd_image_t image5; + rbd_image_t image6; + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + std::string name3 = get_temp_image_name(); + std::string name4 = get_temp_image_name(); + std::string name5 = get_temp_image_name(); + std::string name6 = get_temp_image_name(); + + uint64_t size = 2 << 20; + + rbd_image_options_t opts; + rbd_image_options_create(&opts); + BOOST_SCOPE_EXIT_ALL( (&opts) ) { + rbd_image_options_destroy(opts); + }; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image) ) { + ASSERT_EQ(0, rbd_close(image)); + }; + ASSERT_EQ(1, test_ls(ioctx, 1, name.c_str())); + + size_t sum_key_len = 0; + size_t sum_value_len = 0; + std::string key; + std::string val; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_set(image, key.c_str(), val.c_str())); + + sum_key_len += (key.size() + 1); + sum_value_len += (val.size() + 1); + } + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + char value[1024]; + size_t value_len = sizeof(value); + + ASSERT_EQ(0, rbd_deep_copy(image, ioctx, name2.c_str(), opts)); + ASSERT_EQ(2, test_ls(ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd_open(ioctx, name2.c_str(), &image2, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image2) ) { + ASSERT_EQ(0, rbd_close(image2)); + }; + ASSERT_EQ(0, rbd_metadata_list(image2, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image2, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + + ASSERT_EQ(0, rbd_deep_copy_with_progress(image, ioctx, name3.c_str(), opts, + print_progress_percent, NULL)); + ASSERT_EQ(3, test_ls(ioctx, 3, name.c_str(), name2.c_str(), name3.c_str())); + + keys_len = sizeof(keys); + vals_len = sizeof(vals); + ASSERT_EQ(0, rbd_open(ioctx, name3.c_str(), &image3, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image3) ) { + ASSERT_EQ(0, rbd_close(image3)); + }; + ASSERT_EQ(0, rbd_metadata_list(image3, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image3, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + + ASSERT_EQ(0, rbd_snap_create(image, "deep_snap")); + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, "deep_snap")); + ASSERT_EQ(0, rbd_snap_protect(image, "deep_snap")); + ASSERT_EQ(0, rbd_clone3(ioctx, name.c_str(), "deep_snap", ioctx, + name4.c_str(), opts)); + + ASSERT_EQ(4, test_ls(ioctx, 4, name.c_str(), name2.c_str(), name3.c_str(), + name4.c_str())); + ASSERT_EQ(0, rbd_open(ioctx, name4.c_str(), &image4, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image4) ) { + ASSERT_EQ(0, rbd_close(image4)); + }; + ASSERT_EQ(0, rbd_snap_create(image4, "deep_snap")); + + ASSERT_EQ(0, rbd_deep_copy(image4, ioctx, name5.c_str(), opts)); + ASSERT_EQ(5, test_ls(ioctx, 5, name.c_str(), name2.c_str(), name3.c_str(), + name4.c_str(), name5.c_str())); + ASSERT_EQ(0, rbd_open(ioctx, name5.c_str(), &image5, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image5) ) { + ASSERT_EQ(0, rbd_close(image5)); + }; + ASSERT_EQ(0, rbd_metadata_list(image5, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image5, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + + ASSERT_EQ(0, rbd_deep_copy_with_progress(image4, ioctx, name6.c_str(), opts, + print_progress_percent, NULL)); + ASSERT_EQ(6, test_ls(ioctx, 6, name.c_str(), name2.c_str(), name3.c_str(), + name4.c_str(), name5.c_str(), name6.c_str())); + + keys_len = sizeof(keys); + vals_len = sizeof(vals); + ASSERT_EQ(0, rbd_open(ioctx, name6.c_str(), &image6, NULL)); + BOOST_SCOPE_EXIT_ALL( (&image6) ) { + ASSERT_EQ(0, rbd_close(image6)); + }; + ASSERT_EQ(0, rbd_metadata_list(image6, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, sum_key_len); + ASSERT_EQ(vals_len, sum_value_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(image6, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } +} + +TEST_F(TestLibRBD, TestDeepCopyPP) +{ + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(create_pool(true).c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + librbd::Image image2; + librbd::Image image3; + int order = 0; + std::string name = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + std::string name3 = get_temp_image_name(); + uint64_t size = 2 << 20; + librbd::ImageOptions opts; + PrintProgress pp; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + std::string key; + std::string val; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image.metadata_set(key, val)); + } + + ASSERT_EQ(1, test_ls_pp(rbd, ioctx, 1, name.c_str())); + ASSERT_EQ(0, image.deep_copy(ioctx, name2.c_str(), opts)); + ASSERT_EQ(2, test_ls_pp(rbd, ioctx, 2, name.c_str(), name2.c_str())); + ASSERT_EQ(0, rbd.open(ioctx, image2, name2.c_str(), NULL)); + + map<string, bufferlist> pairs; + std::string value; + ASSERT_EQ(0, image2.metadata_list("", 70, &pairs)); + ASSERT_EQ(70U, pairs.size()); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image2.metadata_get(key.c_str(), &value)); + ASSERT_STREQ(val.c_str(), value.c_str()); + } + + ASSERT_EQ(0, image.deep_copy_with_progress(ioctx, name3.c_str(), opts, pp)); + ASSERT_EQ(3, test_ls_pp(rbd, ioctx, 3, name.c_str(), name2.c_str(), + name3.c_str())); + ASSERT_EQ(0, rbd.open(ioctx, image3, name3.c_str(), NULL)); + + pairs.clear(); + ASSERT_EQ(0, image3.metadata_list("", 70, &pairs)); + ASSERT_EQ(70U, pairs.size()); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, image3.metadata_get(key.c_str(), &value)); + ASSERT_STREQ(val.c_str(), value.c_str()); + } + } + + ioctx.close(); +} + +int test_ls_snaps(rbd_image_t image, int num_expected, ...) +{ + int num_snaps, i, j, max_size = 10; + va_list ap; + rbd_snap_info_t snaps[max_size]; + num_snaps = rbd_snap_list(image, snaps, &max_size); + printf("num snaps is: %d\nexpected: %d\n", num_snaps, num_expected); + + for (i = 0; i < num_snaps; i++) { + printf("snap: %s\n", snaps[i].name); + } + + va_start(ap, num_expected); + for (i = num_expected; i > 0; i--) { + char *expected = va_arg(ap, char *); + uint64_t expected_size = va_arg(ap, uint64_t); + bool found = false; + for (j = 0; j < num_snaps; j++) { + if (snaps[j].name == NULL) + continue; + if (strcmp(snaps[j].name, expected) == 0) { + printf("found %s with size %llu\n", snaps[j].name, (unsigned long long) snaps[j].size); + EXPECT_EQ(expected_size, snaps[j].size); + free((void *) snaps[j].name); + snaps[j].name = NULL; + found = true; + break; + } + } + EXPECT_TRUE(found); + } + va_end(ap); + + for (i = 0; i < num_snaps; i++) { + EXPECT_EQ((const char *)0, snaps[i].name); + } + + return num_snaps; +} + +TEST_F(TestLibRBD, TestCreateLsDeleteSnap) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + uint64_t size2 = 4 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_snap_create(image, "snap1")); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap1", size)); + ASSERT_EQ(0, rbd_resize(image, size2)); + ASSERT_EQ(0, rbd_snap_create(image, "snap2")); + ASSERT_EQ(2, test_ls_snaps(image, 2, "snap1", size, "snap2", size2)); + ASSERT_EQ(0, rbd_snap_remove(image, "snap1")); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap2", size2)); + ASSERT_EQ(0, rbd_snap_remove(image, "snap2")); + ASSERT_EQ(0, test_ls_snaps(image, 0)); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +int test_get_snapshot_timestamp(rbd_image_t image, uint64_t snap_id) +{ + struct timespec timestamp; + EXPECT_EQ(0, rbd_snap_get_timestamp(image, snap_id, ×tamp)); + EXPECT_LT(0, timestamp.tv_sec); + return 0; +} + +TEST_F(TestLibRBD, TestGetSnapShotTimeStamp) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int num_snaps, max_size = 10; + rbd_snap_info_t snaps[max_size]; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_snap_create(image, "snap1")); + num_snaps = rbd_snap_list(image, snaps, &max_size); + ASSERT_EQ(1, num_snaps); + ASSERT_EQ(0, test_get_snapshot_timestamp(image, snaps[0].id)); + free((void *)snaps[0].name); + + ASSERT_EQ(0, rbd_snap_create(image, "snap2")); + num_snaps = rbd_snap_list(image, snaps, &max_size); + ASSERT_EQ(2, num_snaps); + ASSERT_EQ(0, test_get_snapshot_timestamp(image, snaps[0].id)); + ASSERT_EQ(0, test_get_snapshot_timestamp(image, snaps[1].id)); + free((void *)snaps[0].name); + free((void *)snaps[1].name); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + + +int test_ls_snaps(librbd::Image& image, size_t num_expected, ...) +{ + int r; + size_t i, j; + va_list ap; + vector<librbd::snap_info_t> snaps; + r = image.snap_list(snaps); + EXPECT_TRUE(r >= 0); + cout << "num snaps is: " << snaps.size() << std::endl + << "expected: " << num_expected << std::endl; + + for (i = 0; i < snaps.size(); i++) { + cout << "snap: " << snaps[i].name << std::endl; + } + + va_start(ap, num_expected); + for (i = num_expected; i > 0; i--) { + char *expected = va_arg(ap, char *); + uint64_t expected_size = va_arg(ap, uint64_t); + int found = 0; + for (j = 0; j < snaps.size(); j++) { + if (snaps[j].name == "") + continue; + if (strcmp(snaps[j].name.c_str(), expected) == 0) { + cout << "found " << snaps[j].name << " with size " << snaps[j].size + << std::endl; + EXPECT_EQ(expected_size, snaps[j].size); + snaps[j].name = ""; + found = 1; + break; + } + } + EXPECT_TRUE(found); + } + va_end(ap); + + for (i = 0; i < snaps.size(); i++) { + EXPECT_EQ("", snaps[i].name); + } + + return snaps.size(); +} + +TEST_F(TestLibRBD, TestCreateLsDeleteSnapPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + uint64_t size2 = 4 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool exists; + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap1", size)); + ASSERT_EQ(0, image.resize(size2)); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_create("snap2")); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(2, test_ls_snaps(image, 2, "snap1", size, "snap2", size2)); + ASSERT_EQ(0, image.snap_remove("snap1")); + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap2", size2)); + ASSERT_EQ(0, image.snap_remove("snap2")); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, test_ls_snaps(image, 0)); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, TestGetNameIdSnapPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(0, image.snap_create("snap2")); + ASSERT_EQ(0, image.snap_create("snap3")); + vector<librbd::snap_info_t> snaps; + int r = image.snap_list(snaps); + EXPECT_TRUE(r >= 0); + + for (size_t i = 0; i < snaps.size(); ++i) { + std::string expected_snap_name; + image.snap_get_name(snaps[i].id, &expected_snap_name); + ASSERT_EQ(expected_snap_name, snaps[i].name); + } + + for (size_t i = 0; i < snaps.size(); ++i) { + uint64_t expected_snap_id; + image.snap_get_id(snaps[i].name, &expected_snap_id); + ASSERT_EQ(expected_snap_id, snaps[i].id); + } + + ASSERT_EQ(0, image.snap_remove("snap1")); + ASSERT_EQ(0, image.snap_remove("snap2")); + ASSERT_EQ(0, image.snap_remove("snap3")); + ASSERT_EQ(0, test_ls_snaps(image, 0)); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, TestCreateLsRenameSnapPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + uint64_t size2 = 4 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool exists; + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap1", size)); + ASSERT_EQ(0, image.resize(size2)); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_create("snap2")); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(2, test_ls_snaps(image, 2, "snap1", size, "snap2", size2)); + ASSERT_EQ(0, image.snap_rename("snap1","snap1-rename")); + ASSERT_EQ(2, test_ls_snaps(image, 2, "snap1-rename", size, "snap2", size2)); + ASSERT_EQ(0, image.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_exists2("snap1-rename", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image.snap_remove("snap1-rename")); + ASSERT_EQ(0, image.snap_rename("snap2","snap2-rename")); + ASSERT_EQ(1, test_ls_snaps(image, 1, "snap2-rename", size2)); + ASSERT_EQ(0, image.snap_exists2("snap2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image.snap_exists2("snap2-rename", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image.snap_remove("snap2-rename")); + ASSERT_EQ(0, test_ls_snaps(image, 0)); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, ConcurrentCreatesUnvalidatedPool) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, create_pool(true).c_str(), + &ioctx)); + + std::vector<std::string> names; + for (int i = 0; i < 4; i++) { + names.push_back(get_temp_image_name()); + } + uint64_t size = 2 << 20; + + std::vector<std::thread> threads; + for (const auto& name : names) { + threads.emplace_back([ioctx, &name, size]() { + int order = 0; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + }); + } + for (auto& thread : threads) { + thread.join(); + } + + for (const auto& name : names) { + ASSERT_EQ(0, rbd_remove(ioctx, name.c_str())); + } + rados_ioctx_destroy(ioctx); +} + +static void remove_full_try(rados_ioctx_t ioctx, const std::string& image_name, + const std::string& data_pool_name) +{ + int order = 0; + uint64_t quota = 10 << 20; + uint64_t size = 5 * quota; + ASSERT_EQ(0, create_image(ioctx, image_name.c_str(), size, &order)); + + std::string cmdstr = "{\"prefix\": \"osd pool set-quota\", \"pool\": \"" + + data_pool_name + "\", \"field\": \"max_bytes\", \"val\": \"" + + std::to_string(quota) + "\"}"; + char *cmd[1]; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(rados_ioctx_get_cluster(ioctx), + (const char **)cmd, 1, "", 0, nullptr, 0, + nullptr, 0)); + + rados_set_pool_full_try(ioctx); + + rbd_image_t image; + ASSERT_EQ(0, rbd_open(ioctx, image_name.c_str(), &image, nullptr)); + + uint64_t off; + size_t len = 1 << 20; + ssize_t ret; + for (off = 0; off < size; off += len) { + ret = rbd_write_zeroes(image, off, len, + RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, + LIBRADOS_OP_FLAG_FADVISE_FUA); + if (ret < 0) { + break; + } + ASSERT_EQ(ret, len); + sleep(1); + } + ASSERT_TRUE(off >= quota && off < size); + ASSERT_EQ(ret, -EDQUOT); + + ASSERT_EQ(0, rbd_close(image)); + + // make sure we have latest map that marked the pool full + ASSERT_EQ(0, rados_wait_for_latest_osdmap(rados_ioctx_get_cluster(ioctx))); + ASSERT_EQ(0, rbd_remove(ioctx, image_name.c_str())); +} + +TEST_F(TestLibRBD, RemoveFullTry) +{ + REQUIRE(!is_rbd_pwl_enabled((CephContext *)_rados.cct())); + REQUIRE(!is_librados_test_stub(_rados)); + + rados_ioctx_t ioctx; + auto pool_name = create_pool(true); + ASSERT_EQ(0, rados_ioctx_create(_cluster, pool_name.c_str(), &ioctx)); + // cancel out rbd_default_data_pool -- we need an image without + // a separate data pool + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "conf_rbd_default_data_pool", + pool_name.c_str())); + + int order = 0; + auto image_name = get_temp_image_name(); + // FIXME: this is a workaround for rbd_trash object being created + // on the first remove -- pre-create it to avoid bumping into quota + ASSERT_EQ(0, create_image(ioctx, image_name.c_str(), 0, &order)); + ASSERT_EQ(0, rbd_remove(ioctx, image_name.c_str())); + remove_full_try(ioctx, image_name, pool_name); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, RemoveFullTryDataPool) +{ + REQUIRE_FORMAT_V2(); + REQUIRE(!is_rbd_pwl_enabled((CephContext *)_rados.cct())); + REQUIRE(!is_librados_test_stub(_rados)); + + rados_ioctx_t ioctx; + auto pool_name = create_pool(true); + auto data_pool_name = create_pool(true); + ASSERT_EQ(0, rados_ioctx_create(_cluster, pool_name.c_str(), &ioctx)); + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "conf_rbd_default_data_pool", + data_pool_name.c_str())); + + auto image_name = get_temp_image_name(); + remove_full_try(ioctx, image_name, data_pool_name); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestIO) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_read_from_replica_policy", "balance")); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + test_io(image); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestEncryptionLUKS1) +{ + REQUIRE(!is_feature_enabled(RBD_FEATURE_JOURNALING)); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 32 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rados_conf_set( + _cluster, "rbd_read_from_replica_policy", "balance")); + + rbd_image_t image; + rbd_encryption_luks1_format_options_t opts = { + .alg = RBD_ENCRYPTION_ALGORITHM_AES256, + .passphrase = "password", + .passphrase_size = 8, + }; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + +#ifndef HAVE_LIBCRYPTSETUP + ASSERT_EQ(-ENOTSUP, rbd_encryption_format( + image, RBD_ENCRYPTION_FORMAT_LUKS1, &opts, sizeof(opts))); + ASSERT_EQ(-ENOTSUP, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS1, &opts, sizeof(opts))); +#else + ASSERT_EQ(0, rbd_encryption_format( + image, RBD_ENCRYPTION_FORMAT_LUKS1, &opts, sizeof(opts))); + ASSERT_EQ(-EEXIST, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS1, &opts, sizeof(opts))); + + test_io(image); + + bool passed; + write_test_data(image, "test", 0, 4, 0, &passed); + ASSERT_TRUE(passed); + ASSERT_EQ(0, rbd_close(image)); + + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS1, &opts, sizeof(opts))); + read_test_data(image, "test", 0, 4, 0, &passed); + ASSERT_TRUE(passed); +#endif + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestEncryptionLUKS2) +{ + REQUIRE(!is_feature_enabled(RBD_FEATURE_JOURNALING)); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 32 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rados_conf_set( + _cluster, "rbd_read_from_replica_policy", "balance")); + + rbd_image_t image; + rbd_encryption_luks2_format_options_t opts = { + .alg = RBD_ENCRYPTION_ALGORITHM_AES256, + .passphrase = "password", + .passphrase_size = 8, + }; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + +#ifndef HAVE_LIBCRYPTSETUP + ASSERT_EQ(-ENOTSUP, rbd_encryption_format( + image, RBD_ENCRYPTION_FORMAT_LUKS2, &opts, sizeof(opts))); + ASSERT_EQ(-ENOTSUP, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS2, &opts, sizeof(opts))); +#else + ASSERT_EQ(0, rbd_encryption_format( + image, RBD_ENCRYPTION_FORMAT_LUKS2, &opts, sizeof(opts))); + ASSERT_EQ(-EEXIST, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS2, &opts, sizeof(opts))); + + test_io(image); + + bool passed; + write_test_data(image, "test", 0, 4, 0, &passed); + ASSERT_TRUE(passed); + ASSERT_EQ(0, rbd_close(image)); + + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_encryption_load( + image, RBD_ENCRYPTION_FORMAT_LUKS2, &opts, sizeof(opts))); + read_test_data(image, "test", 0, 4, 0, &passed); + ASSERT_TRUE(passed); +#endif + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestIOWithIOHint) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + bool skip_discard = is_skip_partial_discard_enabled(image); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + char mismatch_data[TEST_IO_SIZE + 1]; + int i; + uint64_t mismatch_offset; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + memset(zero_data, 0, sizeof(zero_data)); + memset(mismatch_data, 9, sizeof(mismatch_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(compare_and_write_test_data, image, test_data, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, &mismatch_offset, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_compare_and_write_test_data, image, test_data, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL|LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + // discard 2nd, 4th sections. + ASSERT_PASSED(discard_test_data, image, TEST_IO_SIZE, TEST_IO_SIZE); + ASSERT_PASSED(aio_discard_test_data, image, TEST_IO_SIZE*3, TEST_IO_SIZE); + + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*2, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE*3, TEST_IO_SIZE, + LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*4, TEST_IO_SIZE, 0); + + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } else if (i % 3 == 1) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } else { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } + } + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } else if (i % 3 == 1) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } else { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } + } + + rbd_image_info_t info; + rbd_completion_t comp; + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + // can't read or write starting past end + ASSERT_EQ(-EINVAL, rbd_write(image, info.size, 1, test_data)); + ASSERT_EQ(-EINVAL, rbd_read(image, info.size, 1, test_data)); + // reading through end returns amount up to end + ASSERT_EQ(10, rbd_read2(image, info.size - 10, 100, test_data, + LIBRADOS_OP_FLAG_FADVISE_NOCACHE)); + // writing through end returns amount up to end + ASSERT_EQ(10, rbd_write2(image, info.size - 10, 100, test_data, + LIBRADOS_OP_FLAG_FADVISE_DONTNEED)); + + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_read2(image, info.size, 1, test_data, comp, + LIBRADOS_OP_FLAG_FADVISE_DONTNEED)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(-EINVAL, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + ASSERT_PASSED(write_test_data, image, zero_data, 0, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_EQ(-EILSEQ, rbd_compare_and_write(image, 0, TEST_IO_SIZE, mismatch_data, mismatch_data, + &mismatch_offset, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)); + ASSERT_EQ(0U, mismatch_offset); + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_compare_and_write(image, 0, TEST_IO_SIZE, mismatch_data, mismatch_data, + comp, &mismatch_offset, LIBRADOS_OP_FLAG_FADVISE_DONTNEED)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(0U, mismatch_offset); + rbd_aio_release(comp); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestDataPoolIO) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + std::string data_pool_name = create_pool(true); + + rbd_image_t image; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + rbd_image_options_t image_options; + rbd_image_options_create(&image_options); + BOOST_SCOPE_EXIT( (&image_options) ) { + rbd_image_options_destroy(image_options); + } BOOST_SCOPE_EXIT_END; + + ASSERT_EQ(0, rbd_image_options_set_uint64(image_options, + RBD_IMAGE_OPTION_FEATURES, + features)); + ASSERT_EQ(0, rbd_image_options_set_string(image_options, + RBD_IMAGE_OPTION_DATA_POOL, + data_pool_name.c_str())); + + ASSERT_EQ(0, rbd_create4(ioctx, name.c_str(), size, image_options)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_NE(-1, rbd_get_data_pool_id(image)); + + bool skip_discard = is_skip_partial_discard_enabled(image); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + int i; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + memset(zero_data, 0, sizeof(zero_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + // discard 2nd, 4th sections. + ASSERT_PASSED(discard_test_data, image, TEST_IO_SIZE, TEST_IO_SIZE); + ASSERT_PASSED(aio_discard_test_data, image, TEST_IO_SIZE*3, TEST_IO_SIZE); + + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*2, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE*3, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*4, TEST_IO_SIZE, 0); + + rbd_image_info_t info; + rbd_completion_t comp; + ASSERT_EQ(0, rbd_stat(image, &info, sizeof(info))); + // can't read or write starting past end + ASSERT_EQ(-EINVAL, rbd_write(image, info.size, 1, test_data)); + ASSERT_EQ(-EINVAL, rbd_read(image, info.size, 1, test_data)); + // reading through end returns amount up to end + ASSERT_EQ(10, rbd_read(image, info.size - 10, 100, test_data)); + // writing through end returns amount up to end + ASSERT_EQ(10, rbd_write(image, info.size - 10, 100, test_data)); + + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_write(image, info.size, 1, test_data, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(-EINVAL, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + rbd_aio_create_completion(NULL, (rbd_callback_t) simple_read_cb, &comp); + ASSERT_EQ(0, rbd_aio_read(image, info.size, 1, test_data, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(-EINVAL, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestScatterGatherIO) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + std::string write_buffer("This is a test"); + // These iovecs should produce a length overflow + struct iovec bad_iovs[] = { + {.iov_base = &write_buffer[0], .iov_len = 5}, + {.iov_base = NULL, .iov_len = std::numeric_limits<size_t>::max()} + }; + struct iovec write_iovs[] = { + {.iov_base = &write_buffer[0], .iov_len = 5}, + {.iov_base = &write_buffer[5], .iov_len = 3}, + {.iov_base = &write_buffer[8], .iov_len = 2}, + {.iov_base = &write_buffer[10], .iov_len = 4} + }; + + rbd_completion_t comp; + rbd_aio_create_completion(NULL, NULL, &comp); + ASSERT_EQ(-EINVAL, rbd_aio_writev(image, write_iovs, 0, 0, comp)); + ASSERT_EQ(-EINVAL, rbd_aio_writev(image, bad_iovs, 2, 0, comp)); + ASSERT_EQ(0, rbd_aio_writev(image, write_iovs, + sizeof(write_iovs) / sizeof(struct iovec), + 1<<order, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(0, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + + std::string read_buffer(write_buffer.size(), '1'); + struct iovec read_iovs[] = { + {.iov_base = &read_buffer[0], .iov_len = 4}, + {.iov_base = &read_buffer[8], .iov_len = 4}, + {.iov_base = &read_buffer[12], .iov_len = 2} + }; + + rbd_aio_create_completion(NULL, NULL, &comp); + ASSERT_EQ(-EINVAL, rbd_aio_readv(image, read_iovs, 0, 0, comp)); + ASSERT_EQ(-EINVAL, rbd_aio_readv(image, bad_iovs, 2, 0, comp)); + ASSERT_EQ(0, rbd_aio_readv(image, read_iovs, + sizeof(read_iovs) / sizeof(struct iovec), + 1<<order, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(10, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + ASSERT_EQ("This1111 is a ", read_buffer); + + std::string linear_buffer(write_buffer.size(), '1'); + struct iovec linear_iovs[] = { + {.iov_base = &linear_buffer[4], .iov_len = 4} + }; + rbd_aio_create_completion(NULL, NULL, &comp); + ASSERT_EQ(0, rbd_aio_readv(image, linear_iovs, + sizeof(linear_iovs) / sizeof(struct iovec), + 1<<order, comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(comp)); + ASSERT_EQ(4, rbd_aio_get_return_value(comp)); + rbd_aio_release(comp); + ASSERT_EQ("1111This111111", linear_buffer); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestEmptyDiscard) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_PASSED(aio_discard_test_data, image, 0, 1*1024*1024); + ASSERT_PASSED(aio_discard_test_data, image, 0, 4*1024*1024); + ASSERT_PASSED(aio_discard_test_data, image, 3*1024*1024, 1*1024*1024); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestFUA) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image_write; + rbd_image_t image_read; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image_write, NULL)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image_read, NULL)); + + // enable writeback cache + rbd_flush(image_write); + + char test_data[TEST_IO_SIZE + 1]; + int i; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image_write, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_FUA); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(read_test_data, image_read, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image_write, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_FUA); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image_read, test_data, + TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + ASSERT_PASSED(validate_object_map, image_write); + ASSERT_PASSED(validate_object_map, image_read); + ASSERT_EQ(0, rbd_close(image_write)); + ASSERT_EQ(0, rbd_close(image_read)); + ASSERT_EQ(0, rbd_remove(ioctx, name.c_str())); + rados_ioctx_destroy(ioctx); +} + +void simple_write_cb_pp(librbd::completion_t cb, void *arg) +{ + cout << "write completion cb called!" << std::endl; +} + +void simple_read_cb_pp(librbd::completion_t cb, void *arg) +{ + cout << "read completion cb called!" << std::endl; +} + +void aio_write_test_data(librbd::Image& image, const char *test_data, + off_t off, uint32_t iohint, bool *passed) +{ + ceph::bufferlist bl; + bl.append(test_data, strlen(test_data)); + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, (librbd::callback_t) simple_write_cb_pp); + printf("created completion\n"); + if (iohint) + image.aio_write2(off, strlen(test_data), bl, comp, iohint); + else + image.aio_write(off, strlen(test_data), bl, comp); + printf("started write\n"); + comp->wait_for_complete(); + int r = comp->get_return_value(); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished write\n"); + comp->release(); + *passed = true; +} + +void aio_discard_test_data(librbd::Image& image, off_t off, size_t len, bool *passed) +{ + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, (librbd::callback_t) simple_write_cb_pp); + image.aio_discard(off, len, comp); + comp->wait_for_complete(); + int r = comp->get_return_value(); + ASSERT_EQ(0, r); + comp->release(); + *passed = true; +} + +void write_test_data(librbd::Image& image, const char *test_data, off_t off, uint32_t iohint, bool *passed) +{ + size_t written; + size_t len = strlen(test_data); + ceph::bufferlist bl; + bl.append(test_data, len); + if (iohint) + written = image.write2(off, len, bl, iohint); + else + written = image.write(off, len, bl); + printf("wrote: %u\n", (unsigned int) written); + ASSERT_EQ(bl.length(), written); + *passed = true; +} + +void discard_test_data(librbd::Image& image, off_t off, size_t len, bool *passed) +{ + size_t written; + written = image.discard(off, len); + printf("discard: %u~%u\n", (unsigned)off, (unsigned)len); + ASSERT_EQ(len, written); + *passed = true; +} + +void aio_read_test_data(librbd::Image& image, const char *expected, off_t off, size_t expected_len, uint32_t iohint, bool *passed) +{ + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, (librbd::callback_t) simple_read_cb_pp); + ceph::bufferlist bl; + printf("created completion\n"); + if (iohint) + image.aio_read2(off, expected_len, bl, comp, iohint); + else + image.aio_read(off, expected_len, bl, comp); + printf("started read\n"); + comp->wait_for_complete(); + int r = comp->get_return_value(); + printf("return value is: %d\n", r); + ASSERT_EQ(TEST_IO_SIZE, r); + ASSERT_EQ(0, memcmp(expected, bl.c_str(), TEST_IO_SIZE)); + printf("finished read\n"); + comp->release(); + *passed = true; +} + +void read_test_data(librbd::Image& image, const char *expected, off_t off, size_t expected_len, uint32_t iohint, bool *passed) +{ + int read; + size_t len = expected_len; + ceph::bufferlist bl; + if (iohint) + read = image.read2(off, len, bl, iohint); + else + read = image.read(off, len, bl); + ASSERT_TRUE(read >= 0); + std::string bl_str(bl.c_str(), read); + + printf("read: %u\n", (unsigned int) read); + int result = memcmp(bl_str.c_str(), expected, expected_len); + if (result != 0) { + printf("read: %s\nexpected: %s\n", bl_str.c_str(), expected); + ASSERT_EQ(0, result); + } + *passed = true; +} + +void aio_writesame_test_data(librbd::Image& image, const char *test_data, off_t off, + size_t len, size_t data_len, uint32_t iohint, bool *passed) +{ + ceph::bufferlist bl; + bl.append(test_data, data_len); + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, (librbd::callback_t) simple_write_cb_pp); + printf("created completion\n"); + int r; + r = image.aio_writesame(off, len, bl, comp, iohint); + printf("started writesame\n"); + if (len % data_len) { + ASSERT_EQ(-EINVAL, r); + printf("expected fail, finished writesame\n"); + comp->release(); + *passed = true; + return; + } + + comp->wait_for_complete(); + r = comp->get_return_value(); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished writesame\n"); + comp->release(); + + //verify data + printf("to verify the data\n"); + int read; + uint64_t left = len; + while (left > 0) { + ceph::bufferlist bl; + read = image.read(off, data_len, bl); + ASSERT_EQ(data_len, static_cast<size_t>(read)); + std::string bl_str(bl.c_str(), read); + int result = memcmp(bl_str.c_str(), test_data, data_len); + if (result !=0 ) { + printf("read: %u ~ %u\n", (unsigned int) off, (unsigned int) read); + printf("read: %s\nexpected: %s\n", bl_str.c_str(), test_data); + ASSERT_EQ(0, result); + } + off += data_len; + left -= data_len; + } + ASSERT_EQ(0U, left); + printf("verified\n"); + + *passed = true; +} + +void writesame_test_data(librbd::Image& image, const char *test_data, off_t off, + ssize_t len, size_t data_len, uint32_t iohint, + bool *passed) +{ + ssize_t written; + ceph::bufferlist bl; + bl.append(test_data, data_len); + written = image.writesame(off, len, bl, iohint); + if (len % data_len) { + ASSERT_EQ(-EINVAL, written); + printf("expected fail, finished writesame\n"); + *passed = true; + return; + } + ASSERT_EQ(len, written); + printf("wrote: %u\n", (unsigned int) written); + *passed = true; + + //verify data + printf("to verify the data\n"); + int read; + uint64_t left = len; + while (left > 0) { + ceph::bufferlist bl; + read = image.read(off, data_len, bl); + ASSERT_EQ(data_len, static_cast<size_t>(read)); + std::string bl_str(bl.c_str(), read); + int result = memcmp(bl_str.c_str(), test_data, data_len); + if (result !=0 ) { + printf("read: %u ~ %u\n", (unsigned int) off, (unsigned int) read); + printf("read: %s\nexpected: %s\n", bl_str.c_str(), test_data); + ASSERT_EQ(0, result); + } + off += data_len; + left -= data_len; + } + ASSERT_EQ(0U, left); + printf("verified\n"); + + *passed = true; +} + +void aio_compare_and_write_test_data(librbd::Image& image, const char *cmp_data, + const char *test_data, off_t off, ssize_t len, + uint32_t iohint, bool *passed) +{ + ceph::bufferlist cmp_bl; + cmp_bl.append(cmp_data, strlen(cmp_data)); + ceph::bufferlist test_bl; + test_bl.append(test_data, strlen(test_data)); + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, (librbd::callback_t) simple_write_cb_pp); + printf("created completion\n"); + + uint64_t mismatch_offset; + image.aio_compare_and_write(off, len, cmp_bl, test_bl, comp, &mismatch_offset, iohint); + printf("started aio compare and write\n"); + comp->wait_for_complete(); + int r = comp->get_return_value(); + printf("return value is: %d\n", r); + ASSERT_EQ(0, r); + printf("finished aio compare and write\n"); + comp->release(); + *passed = true; +} + +void compare_and_write_test_data(librbd::Image& image, const char *cmp_data, const char *test_data, + off_t off, ssize_t len, uint64_t *mismatch_off, uint32_t iohint, bool *passed) +{ + size_t written; + ceph::bufferlist cmp_bl; + cmp_bl.append(cmp_data, strlen(cmp_data)); + ceph::bufferlist test_bl; + test_bl.append(test_data, strlen(test_data)); + printf("start compare and write\n"); + written = image.compare_and_write(off, len, cmp_bl, test_bl, mismatch_off, iohint); + printf("compare and wrote: %d\n", (int) written); + ASSERT_EQ(len, static_cast<ssize_t>(written)); + *passed = true; +} + +TEST_F(TestLibRBD, TestIOPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + int i; + uint64_t mismatch_offset; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + memset(zero_data, 0, sizeof(zero_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, strlen(test_data) * i, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image, test_data, strlen(test_data) * i, 0); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(compare_and_write_test_data, image, test_data, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, &mismatch_offset, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_compare_and_write_test_data, image, test_data, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE, 0); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(read_test_data, image, test_data, strlen(test_data) * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image, test_data, strlen(test_data) * i, TEST_IO_SIZE, 0); + + // discard 2nd, 4th sections. + ASSERT_PASSED(discard_test_data, image, TEST_IO_SIZE, TEST_IO_SIZE); + ASSERT_PASSED(aio_discard_test_data, image, TEST_IO_SIZE*3, TEST_IO_SIZE); + + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*2, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, skip_discard ? test_data : zero_data, + TEST_IO_SIZE*3, TEST_IO_SIZE, 0); + ASSERT_PASSED(read_test_data, image, test_data, TEST_IO_SIZE*4, TEST_IO_SIZE, 0); + + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + } else if (i % 3 == 1) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } else { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } + } + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, 0); + } else if (i % 3 == 1) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE + i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } else { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, TEST_IO_SIZE * i * 32, TEST_IO_SIZE, 0); + } + } + + ASSERT_PASSED(validate_object_map, image); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, TestIOPPWithIOHint) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + test_data[TEST_IO_SIZE] = '\0'; + int i; + + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + memset(zero_data, 0, sizeof(zero_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, strlen(test_data) * i, + LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data, image, test_data, strlen(test_data) * i, + LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + ASSERT_PASSED(read_test_data, image, test_data, strlen(test_data), + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_RANDOM); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data, image, test_data, strlen(test_data) * i, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL|LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } else if (i % 3 == 1) { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } else { + ASSERT_PASSED(writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + ASSERT_PASSED(writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + } + } + for (i = 0; i < 15; ++i) { + if (i % 3 == 2) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32 + i, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } else if (i % 3 == 1) { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE + i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } else { + ASSERT_PASSED(aio_writesame_test_data, image, test_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + ASSERT_PASSED(aio_writesame_test_data, image, zero_data, TEST_IO_SIZE * i, + TEST_IO_SIZE * i * 32, TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_DONTNEED); + } + } + + ASSERT_PASSED(validate_object_map, image); + } + + ioctx.close(); +} + + + +TEST_F(TestLibRBD, TestIOToSnapshot) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t isize = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), isize, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + int i, r; + rbd_image_t image_at_snap; + char orig_data[TEST_IO_TO_SNAP_SIZE + 1]; + char test_data[TEST_IO_TO_SNAP_SIZE + 1]; + + for (i = 0; i < TEST_IO_TO_SNAP_SIZE; ++i) + test_data[i] = (char) (i + 48); + test_data[TEST_IO_TO_SNAP_SIZE] = '\0'; + orig_data[TEST_IO_TO_SNAP_SIZE] = '\0'; + + r = rbd_read(image, 0, TEST_IO_TO_SNAP_SIZE, orig_data); + ASSERT_EQ(r, TEST_IO_TO_SNAP_SIZE); + + ASSERT_EQ(0, test_ls_snaps(image, 0)); + ASSERT_EQ(0, rbd_snap_create(image, "orig")); + ASSERT_EQ(1, test_ls_snaps(image, 1, "orig", isize)); + ASSERT_PASSED(read_test_data, image, orig_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + printf("write test data!\n"); + ASSERT_PASSED(write_test_data, image, test_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + ASSERT_EQ(0, rbd_snap_create(image, "written")); + ASSERT_EQ(2, test_ls_snaps(image, 2, "orig", isize, "written", isize)); + + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + rbd_snap_set(image, "orig"); + ASSERT_PASSED(read_test_data, image, orig_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + rbd_snap_set(image, "written"); + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + rbd_snap_set(image, "orig"); + + r = rbd_write(image, 0, TEST_IO_TO_SNAP_SIZE, test_data); + printf("write to snapshot returned %d\n", r); + ASSERT_LT(r, 0); + cout << strerror(-r) << std::endl; + + ASSERT_PASSED(read_test_data, image, orig_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + rbd_snap_set(image, "written"); + ASSERT_PASSED(read_test_data, image, test_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + r = rbd_snap_rollback(image, "orig"); + ASSERT_EQ(r, -EROFS); + + r = rbd_snap_set(image, NULL); + ASSERT_EQ(r, 0); + r = rbd_snap_rollback(image, "orig"); + ASSERT_EQ(r, 0); + + ASSERT_PASSED(write_test_data, image, test_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + + rbd_flush(image); + + printf("opening testimg@orig\n"); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image_at_snap, "orig")); + ASSERT_PASSED(read_test_data, image_at_snap, orig_data, 0, TEST_IO_TO_SNAP_SIZE, 0); + r = rbd_write(image_at_snap, 0, TEST_IO_TO_SNAP_SIZE, test_data); + printf("write to snapshot returned %d\n", r); + ASSERT_LT(r, 0); + cout << strerror(-r) << std::endl; + ASSERT_EQ(0, rbd_close(image_at_snap)); + + ASSERT_EQ(2, test_ls_snaps(image, 2, "orig", isize, "written", isize)); + ASSERT_EQ(0, rbd_snap_remove(image, "written")); + ASSERT_EQ(1, test_ls_snaps(image, 1, "orig", isize)); + ASSERT_EQ(0, rbd_snap_remove(image, "orig")); + ASSERT_EQ(0, test_ls_snaps(image, 0)); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestSnapshotDeletedIo) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t isize = 2 << 20; + + int r; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), isize, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_snap_create(image, "orig")); + + r = rbd_snap_set(image, "orig"); + ASSERT_EQ(r, 0); + + ASSERT_EQ(0, rbd_snap_remove(image, "orig")); + char test[20]; + ASSERT_EQ(-ENOENT, rbd_read(image, 20, 20, test)); + + r = rbd_snap_set(image, NULL); + ASSERT_EQ(r, 0); + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestClone) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "1")); + BOOST_SCOPE_EXIT_ALL(&) { + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "auto")); + }; + + rados_ioctx_t ioctx; + rbd_image_info_t pinfo, cinfo; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + bool old_format; + uint64_t features; + rbd_image_t parent, child; + int order = 0; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + std::string parent_name = get_temp_image_name(); + std::string child_name = get_temp_image_name(); + + // make a parent to clone from + ASSERT_EQ(0, create_image_full(ioctx, parent_name.c_str(), 4<<20, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, NULL)); + printf("made parent image \"parent\"\n"); + + char *data = (char *)"testdata"; + ASSERT_EQ((ssize_t)strlen(data), rbd_write(parent, 0, strlen(data), data)); + + // can't clone a non-snapshot, expect failure + EXPECT_NE(0, clone_image(ioctx, parent, parent_name.c_str(), NULL, ioctx, + child_name.c_str(), features, &order)); + + // verify that there is no parent info on "parent" + ASSERT_EQ(-ENOENT, rbd_get_parent_info(parent, NULL, 0, NULL, 0, NULL, 0)); + printf("parent has no parent info\n"); + + // create 70 metadatas to verify we can clone all key/value pairs + std::string key; + std::string val; + size_t sum_key_len = 0; + size_t sum_value_len = 0; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_set(parent, key.c_str(), val.c_str())); + + sum_key_len += (key.size() + 1); + sum_value_len += (val.size() + 1); + } + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + char value[1024]; + size_t value_len = sizeof(value); + + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, rbd_snap_create(parent, "parent_snap")); + printf("made snapshot \"parent@parent_snap\"\n"); + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, "parent_snap")); + + ASSERT_EQ(-EINVAL, clone_image(ioctx, parent, parent_name.c_str(), "parent_snap", + ioctx, child_name.c_str(), features, &order)); + + // unprotected image should fail unprotect + ASSERT_EQ(-EINVAL, rbd_snap_unprotect(parent, "parent_snap")); + printf("can't unprotect an unprotected snap\n"); + + ASSERT_EQ(0, rbd_snap_protect(parent, "parent_snap")); + // protecting again should fail + ASSERT_EQ(-EBUSY, rbd_snap_protect(parent, "parent_snap")); + printf("can't protect a protected snap\n"); + + // This clone and open should work + ASSERT_EQ(0, clone_image(ioctx, parent, parent_name.c_str(), "parent_snap", + ioctx, child_name.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx, child_name.c_str(), &child, NULL)); + printf("made and opened clone \"child\"\n"); + + // check read + ASSERT_PASSED(read_test_data, child, data, 0, strlen(data), 0); + + // check write + ASSERT_EQ((ssize_t)strlen(data), rbd_write(child, 20, strlen(data), data)); + ASSERT_PASSED(read_test_data, child, data, 20, strlen(data), 0); + ASSERT_PASSED(read_test_data, child, data, 0, strlen(data), 0); + + // check attributes + ASSERT_EQ(0, rbd_stat(parent, &pinfo, sizeof(pinfo))); + ASSERT_EQ(0, rbd_stat(child, &cinfo, sizeof(cinfo))); + EXPECT_EQ(cinfo.size, pinfo.size); + uint64_t overlap; + rbd_get_overlap(child, &overlap); + EXPECT_EQ(overlap, pinfo.size); + EXPECT_EQ(cinfo.obj_size, pinfo.obj_size); + EXPECT_EQ(cinfo.order, pinfo.order); + printf("sizes and overlaps are good between parent and child\n"); + + // check key/value pairs in child image + ASSERT_EQ(0, rbd_metadata_list(child, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(sum_key_len, keys_len); + ASSERT_EQ(sum_value_len, vals_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(child, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + printf("child image successfully cloned all image-meta pairs\n"); + + // sizing down child results in changing overlap and size, not parent size + ASSERT_EQ(0, rbd_resize(child, 2UL<<20)); + ASSERT_EQ(0, rbd_stat(child, &cinfo, sizeof(cinfo))); + rbd_get_overlap(child, &overlap); + ASSERT_EQ(overlap, 2UL<<20); + ASSERT_EQ(cinfo.size, 2UL<<20); + ASSERT_EQ(0, rbd_resize(child, 4UL<<20)); + ASSERT_EQ(0, rbd_stat(child, &cinfo, sizeof(cinfo))); + rbd_get_overlap(child, &overlap); + ASSERT_EQ(overlap, 2UL<<20); + ASSERT_EQ(cinfo.size, 4UL<<20); + printf("sized down clone, changed overlap\n"); + + // sizing back up doesn't change that + ASSERT_EQ(0, rbd_resize(child, 5UL<<20)); + ASSERT_EQ(0, rbd_stat(child, &cinfo, sizeof(cinfo))); + rbd_get_overlap(child, &overlap); + ASSERT_EQ(overlap, 2UL<<20); + ASSERT_EQ(cinfo.size, 5UL<<20); + ASSERT_EQ(0, rbd_stat(parent, &pinfo, sizeof(pinfo))); + printf("parent info: size %llu obj_size %llu parent_pool %llu\n", + (unsigned long long)pinfo.size, (unsigned long long)pinfo.obj_size, + (unsigned long long)pinfo.parent_pool); + ASSERT_EQ(pinfo.size, 4UL<<20); + printf("sized up clone, changed size but not overlap or parent's size\n"); + + ASSERT_PASSED(validate_object_map, child); + ASSERT_EQ(0, rbd_close(child)); + + ASSERT_PASSED(validate_object_map, parent); + ASSERT_EQ(-EBUSY, rbd_snap_remove(parent, "parent_snap")); + printf("can't remove parent while child still exists\n"); + ASSERT_EQ(0, rbd_remove(ioctx, child_name.c_str())); + ASSERT_EQ(-EBUSY, rbd_snap_remove(parent, "parent_snap")); + printf("can't remove parent while still protected\n"); + ASSERT_EQ(0, rbd_snap_unprotect(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_remove(parent, "parent_snap")); + printf("removed parent snap after unprotecting\n"); + + ASSERT_EQ(0, rbd_close(parent)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestClone2) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "2")); + BOOST_SCOPE_EXIT_ALL(&) { + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "auto")); + }; + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + bool old_format; + uint64_t features; + rbd_image_t parent, child; + int order = 0; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + std::string parent_name = get_temp_image_name(); + std::string child_name = get_temp_image_name(); + + // make a parent to clone from + ASSERT_EQ(0, create_image_full(ioctx, parent_name.c_str(), 4<<20, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, NULL)); + printf("made parent image \"parent\"\n"); + + char *data = (char *)"testdata"; + char *childata = (char *)"childata"; + ASSERT_EQ((ssize_t)strlen(data), rbd_write(parent, 0, strlen(data), data)); + ASSERT_EQ((ssize_t)strlen(data), rbd_write(parent, 12, strlen(data), data)); + + // can't clone a non-snapshot, expect failure + EXPECT_NE(0, clone_image(ioctx, parent, parent_name.c_str(), NULL, ioctx, + child_name.c_str(), features, &order)); + + // verify that there is no parent info on "parent" + ASSERT_EQ(-ENOENT, rbd_get_parent_info(parent, NULL, 0, NULL, 0, NULL, 0)); + printf("parent has no parent info\n"); + + // create 70 metadatas to verify we can clone all key/value pairs + std::string key; + std::string val; + size_t sum_key_len = 0; + size_t sum_value_len = 0; + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_set(parent, key.c_str(), val.c_str())); + + sum_key_len += (key.size() + 1); + sum_value_len += (val.size() + 1); + } + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + char value[1024]; + size_t value_len = sizeof(value); + + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, rbd_snap_create(parent, "parent_snap")); + printf("made snapshot \"parent@parent_snap\"\n"); + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, "parent_snap")); + + // This clone and open should work + ASSERT_EQ(0, clone_image(ioctx, parent, parent_name.c_str(), "parent_snap", + ioctx, child_name.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx, child_name.c_str(), &child, NULL)); + printf("made and opened clone \"child\"\n"); + + // check key/value pairs in child image + ASSERT_EQ(0, rbd_metadata_list(child, "key", 70, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(sum_key_len, keys_len); + ASSERT_EQ(sum_value_len, vals_len); + + for (int i = 1; i <= 70; i++) { + key = "key" + stringify(i); + val = "value" + stringify(i); + ASSERT_EQ(0, rbd_metadata_get(child, key.c_str(), value, &value_len)); + ASSERT_STREQ(val.c_str(), value); + + value_len = sizeof(value); + } + printf("child image successfully cloned all image-meta pairs\n"); + + // write something in + ASSERT_EQ((ssize_t)strlen(childata), rbd_write(child, 20, strlen(childata), childata)); + + char test[strlen(data) * 2]; + ASSERT_EQ((ssize_t)strlen(data), rbd_read(child, 20, strlen(data), test)); + ASSERT_EQ(0, memcmp(test, childata, strlen(childata))); + + // overlap + ASSERT_EQ((ssize_t)sizeof(test), rbd_read(child, 20 - strlen(data), sizeof(test), test)); + ASSERT_EQ(0, memcmp(test, data, strlen(data))); + ASSERT_EQ(0, memcmp(test + strlen(data), childata, strlen(childata))); + + // all parent + ASSERT_EQ((ssize_t)sizeof(test), rbd_read(child, 0, sizeof(test), test)); + ASSERT_EQ(0, memcmp(test, data, strlen(data))); + + ASSERT_PASSED(validate_object_map, child); + ASSERT_PASSED(validate_object_map, parent); + + rbd_snap_info_t snaps[2]; + int max_snaps = 2; + ASSERT_EQ(1, rbd_snap_list(parent, snaps, &max_snaps)); + rbd_snap_list_end(snaps); + + ASSERT_EQ(0, rbd_snap_remove_by_id(parent, snaps[0].id)); + + rbd_snap_namespace_type_t snap_namespace_type; + ASSERT_EQ(0, rbd_snap_get_namespace_type(parent, snaps[0].id, + &snap_namespace_type)); + ASSERT_EQ(RBD_SNAP_NAMESPACE_TYPE_TRASH, snap_namespace_type); + + char original_name[32]; + ASSERT_EQ(0, rbd_snap_get_trash_namespace(parent, snaps[0].id, + original_name, + sizeof(original_name))); + ASSERT_EQ(0, strcmp("parent_snap", original_name)); + + ASSERT_EQ(0, rbd_close(child)); + ASSERT_EQ(0, rbd_close(parent)); + rados_ioctx_destroy(ioctx); +} + +static void test_list_children(rbd_image_t image, ssize_t num_expected, ...) +{ + va_list ap; + va_start(ap, num_expected); + size_t pools_len = 100; + size_t children_len = 100; + char *pools = NULL; + char *children = NULL; + ssize_t num_children; + + do { + free(pools); + free(children); + pools = (char *) malloc(pools_len); + children = (char *) malloc(children_len); + num_children = rbd_list_children(image, pools, &pools_len, + children, &children_len); + } while (num_children == -ERANGE); + + ASSERT_EQ(num_expected, num_children); + for (ssize_t i = num_expected; i > 0; --i) { + char *expected_pool = va_arg(ap, char *); + char *expected_image = va_arg(ap, char *); + char *pool = pools; + char *image = children; + bool found = 0; + printf("\ntrying to find %s/%s\n", expected_pool, expected_image); + for (ssize_t j = 0; j < num_children; ++j) { + printf("checking %s/%s\n", pool, image); + if (strcmp(expected_pool, pool) == 0 && + strcmp(expected_image, image) == 0) { + printf("found child %s/%s\n\n", pool, image); + found = 1; + break; + } + pool += strlen(pool) + 1; + image += strlen(image) + 1; + if (j == num_children - 1) { + ASSERT_EQ(pool - pools - 1, (ssize_t) pools_len); + ASSERT_EQ(image - children - 1, (ssize_t) children_len); + } + } + ASSERT_TRUE(found); + } + va_end(ap); + + if (pools) + free(pools); + if (children) + free(children); +} + +static void test_list_children2(rbd_image_t image, int num_expected, ...) +{ + int num_children, i, j, max_size = 10; + va_list ap; + rbd_child_info_t children[max_size]; + num_children = rbd_list_children2(image, children, &max_size); + printf("num children is: %d\nexpected: %d\n", num_children, num_expected); + + for (i = 0; i < num_children; i++) { + printf("child: %s\n", children[i].image_name); + } + + va_start(ap, num_expected); + for (i = num_expected; i > 0; i--) { + char *expected_id = va_arg(ap, char *); + char *expected_pool = va_arg(ap, char *); + char *expected_image = va_arg(ap, char *); + bool expected_trash = va_arg(ap, int); + bool found = false; + for (j = 0; j < num_children; j++) { + if (children[j].pool_name == NULL || + children[j].image_name == NULL || + children[j].image_id == NULL) + continue; + if (strcmp(children[j].image_id, expected_id) == 0 && + strcmp(children[j].pool_name, expected_pool) == 0 && + strcmp(children[j].image_name, expected_image) == 0 && + children[j].trash == expected_trash) { + printf("found child %s/%s/%s\n\n", children[j].pool_name, children[j].image_name, children[j].image_id); + rbd_list_child_cleanup(&children[j]); + children[j].pool_name = NULL; + children[j].image_name = NULL; + children[j].image_id = NULL; + found = true; + break; + } + } + EXPECT_TRUE(found); + } + va_end(ap); + + for (i = 0; i < num_children; i++) { + EXPECT_EQ((const char *)0, children[i].pool_name); + EXPECT_EQ((const char *)0, children[i].image_name); + EXPECT_EQ((const char *)0, children[i].image_id); + } +} + +TEST_F(TestLibRBD, ListChildren) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librbd::RBD rbd; + rados_ioctx_t ioctx1, ioctx2; + string pool_name1 = create_pool(true); + string pool_name2 = create_pool(true); + ASSERT_NE("", pool_name2); + + rados_ioctx_create(_cluster, pool_name1.c_str(), &ioctx1); + rados_ioctx_create(_cluster, pool_name2.c_str(), &ioctx2); + + rbd_image_t image1; + rbd_image_t image2; + rbd_image_t image3; + rbd_image_t image4; + + bool old_format; + uint64_t features; + rbd_image_t parent; + int order = 0; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + std::string parent_name = get_temp_image_name(); + std::string child_name1 = get_temp_image_name(); + std::string child_name2 = get_temp_image_name(); + std::string child_name3 = get_temp_image_name(); + std::string child_name4 = get_temp_image_name(); + + char child_id1[4096]; + char child_id2[4096]; + char child_id3[4096]; + char child_id4[4096]; + + // make a parent to clone from + ASSERT_EQ(0, create_image_full(ioctx1, parent_name.c_str(), 4<<20, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx1, parent_name.c_str(), &parent, NULL)); + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, rbd_snap_create(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_set(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_protect(parent, "parent_snap")); + + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_open(ioctx1, parent_name.c_str(), &parent, "parent_snap")); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name1.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name1.c_str(), &image1, NULL)); + ASSERT_EQ(0, rbd_get_id(image1, child_id1, sizeof(child_id1))); + test_list_children(parent, 1, pool_name2.c_str(), child_name1.c_str()); + test_list_children2(parent, 1, + child_id1, pool_name2.c_str(), child_name1.c_str(), false); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx1, child_name2.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx1, child_name2.c_str(), &image2, NULL)); + ASSERT_EQ(0, rbd_get_id(image2, child_id2, sizeof(child_id2))); + test_list_children(parent, 2, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 2, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name3.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name3.c_str(), &image3, NULL)); + ASSERT_EQ(0, rbd_get_id(image3, child_id3, sizeof(child_id3))); + test_list_children(parent, 3, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str()); + test_list_children2(parent, 3, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false); + + librados::IoCtx ioctx3; + ASSERT_EQ(0, _rados.ioctx_create(pool_name2.c_str(), ioctx3)); + ASSERT_EQ(0, rbd_close(image3)); + ASSERT_EQ(0, rbd.trash_move(ioctx3, child_name3.c_str(), 0)); + test_list_children(parent, 2, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 3, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), true); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name4.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name4.c_str(), &image4, NULL)); + ASSERT_EQ(0, rbd_get_id(image4, child_id4, sizeof(child_id4))); + test_list_children(parent, 3, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 4, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), true, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd.trash_restore(ioctx3, child_id3, "")); + test_list_children(parent, 4, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 4, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_close(image1)); + ASSERT_EQ(0, rbd_remove(ioctx2, child_name1.c_str())); + test_list_children(parent, 3, + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 3, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_remove(ioctx2, child_name3.c_str())); + test_list_children(parent, 2, + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 2, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_close(image4)); + ASSERT_EQ(0, rbd_remove(ioctx2, child_name4.c_str())); + test_list_children(parent, 1, + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 1, + child_id2, pool_name1.c_str(), child_name2.c_str(), false); + + + ASSERT_EQ(0, rbd_close(image2)); + ASSERT_EQ(0, rbd_remove(ioctx1, child_name2.c_str())); + test_list_children(parent, 0); + test_list_children2(parent, 0); + + ASSERT_EQ(0, rbd_snap_unprotect(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_remove(parent, "parent_snap")); + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_remove(ioctx1, parent_name.c_str())); + rados_ioctx_destroy(ioctx1); + rados_ioctx_destroy(ioctx2); +} + +TEST_F(TestLibRBD, ListChildrenTiered) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librbd::RBD rbd; + string pool_name1 = create_pool(true); + string pool_name2 = create_pool(true); + string pool_name3 = create_pool(true); + ASSERT_NE("", pool_name1); + ASSERT_NE("", pool_name2); + ASSERT_NE("", pool_name3); + + std::string cmdstr = "{\"prefix\": \"osd tier add\", \"pool\": \"" + + pool_name1 + "\", \"tierpool\":\"" + pool_name3 + "\", \"force_nonempty\":\"\"}"; + char *cmd[1]; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(_cluster, (const char **)cmd, 1, "", 0, NULL, 0, NULL, 0)); + + cmdstr = "{\"prefix\": \"osd tier cache-mode\", \"pool\": \"" + + pool_name3 + "\", \"mode\":\"writeback\"}"; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(_cluster, (const char **)cmd, 1, "", 0, NULL, 0, NULL, 0)); + + cmdstr = "{\"prefix\": \"osd tier set-overlay\", \"pool\": \"" + + pool_name1 + "\", \"overlaypool\":\"" + pool_name3 + "\"}"; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(_cluster, (const char **)cmd, 1, "", 0, NULL, 0, NULL, 0)); + + EXPECT_EQ(0, rados_wait_for_latest_osdmap(_cluster)); + + string parent_name = get_temp_image_name(); + string child_name1 = get_temp_image_name(); + string child_name2 = get_temp_image_name(); + string child_name3 = get_temp_image_name(); + string child_name4 = get_temp_image_name(); + + char child_id1[4096]; + char child_id2[4096]; + char child_id3[4096]; + char child_id4[4096]; + + rbd_image_t image1; + rbd_image_t image2; + rbd_image_t image3; + rbd_image_t image4; + + rados_ioctx_t ioctx1, ioctx2; + rados_ioctx_create(_cluster, pool_name1.c_str(), &ioctx1); + rados_ioctx_create(_cluster, pool_name2.c_str(), &ioctx2); + + bool old_format; + uint64_t features; + rbd_image_t parent; + int order = 0; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + // make a parent to clone from + ASSERT_EQ(0, create_image_full(ioctx1, parent_name.c_str(), 4<<20, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx1, parent_name.c_str(), &parent, NULL)); + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, rbd_snap_create(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_set(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_protect(parent, "parent_snap")); + + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_open(ioctx1, parent_name.c_str(), &parent, "parent_snap")); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name1.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name1.c_str(), &image1, NULL)); + ASSERT_EQ(0, rbd_get_id(image1, child_id1, sizeof(child_id1))); + test_list_children(parent, 1, pool_name2.c_str(), child_name1.c_str()); + test_list_children2(parent, 1, + child_id1, pool_name2.c_str(), child_name1.c_str(), false); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx1, child_name2.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx1, child_name2.c_str(), &image2, NULL)); + ASSERT_EQ(0, rbd_get_id(image2, child_id2, sizeof(child_id2))); + test_list_children(parent, 2, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 2, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false); + + // read from the cache to populate it + rbd_image_t tier_image; + ASSERT_EQ(0, rbd_open(ioctx1, child_name2.c_str(), &tier_image, NULL)); + size_t len = 4 * 1024 * 1024; + char* buf = (char*)malloc(len); + ssize_t size = rbd_read(tier_image, 0, len, buf); + ASSERT_GT(size, 0); + free(buf); + ASSERT_EQ(0, rbd_close(tier_image)); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name3.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name3.c_str(), &image3, NULL)); + ASSERT_EQ(0, rbd_get_id(image3, child_id3, sizeof(child_id3))); + test_list_children(parent, 3, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str()); + test_list_children2(parent, 3, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false); + + librados::IoCtx ioctx3; + ASSERT_EQ(0, _rados.ioctx_create(pool_name2.c_str(), ioctx3)); + ASSERT_EQ(0, rbd_close(image3)); + ASSERT_EQ(0, rbd.trash_move(ioctx3, child_name3.c_str(), 0)); + test_list_children(parent, 2, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 3, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), true); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "parent_snap", + ioctx2, child_name4.c_str(), features, &order)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name4.c_str(), &image4, NULL)); + ASSERT_EQ(0, rbd_get_id(image4, child_id4, sizeof(child_id4))); + test_list_children(parent, 3, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 4, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), true, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd.trash_restore(ioctx3, child_id3, "")); + test_list_children(parent, 4, pool_name2.c_str(), child_name1.c_str(), + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 4, + child_id1, pool_name2.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_close(image1)); + ASSERT_EQ(0, rbd_remove(ioctx2, child_name1.c_str())); + test_list_children(parent, 3, + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name3.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 3, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, pool_name2.c_str(), child_name3.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_remove(ioctx2, child_name3.c_str())); + test_list_children(parent, 2, + pool_name1.c_str(), child_name2.c_str(), + pool_name2.c_str(), child_name4.c_str()); + test_list_children2(parent, 2, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id4, pool_name2.c_str(), child_name4.c_str(), false); + + ASSERT_EQ(0, rbd_close(image4)); + ASSERT_EQ(0, rbd_remove(ioctx2, child_name4.c_str())); + test_list_children(parent, 1, + pool_name1.c_str(), child_name2.c_str()); + test_list_children2(parent, 1, + child_id2, pool_name1.c_str(), child_name2.c_str(), false); + + ASSERT_EQ(0, rbd_close(image2)); + ASSERT_EQ(0, rbd_remove(ioctx1, child_name2.c_str())); + test_list_children(parent, 0); + test_list_children2(parent, 0); + + ASSERT_EQ(0, rbd_snap_unprotect(parent, "parent_snap")); + ASSERT_EQ(0, rbd_snap_remove(parent, "parent_snap")); + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_remove(ioctx1, parent_name.c_str())); + rados_ioctx_destroy(ioctx1); + rados_ioctx_destroy(ioctx2); + cmdstr = "{\"prefix\": \"osd tier remove-overlay\", \"pool\": \"" + + pool_name1 + "\"}"; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(_cluster, (const char **)cmd, 1, "", 0, NULL, 0, NULL, 0)); + cmdstr = "{\"prefix\": \"osd tier remove\", \"pool\": \"" + + pool_name1 + "\", \"tierpool\":\"" + pool_name3 + "\"}"; + cmd[0] = (char *)cmdstr.c_str(); + ASSERT_EQ(0, rados_mon_command(_cluster, (const char **)cmd, 1, "", 0, NULL, 0, NULL, 0)); +} + +TEST_F(TestLibRBD, LockingPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + std::string cookie1 = "foo"; + std::string cookie2 = "bar"; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + // no lockers initially + std::list<librbd::locker_t> lockers; + std::string tag; + bool exclusive; + ASSERT_EQ(0, image.list_lockers(&lockers, &exclusive, &tag)); + ASSERT_EQ(0u, lockers.size()); + ASSERT_EQ("", tag); + + // exclusive lock is exclusive + ASSERT_EQ(0, image.lock_exclusive(cookie1)); + ASSERT_EQ(-EEXIST, image.lock_exclusive(cookie1)); + ASSERT_EQ(-EBUSY, image.lock_exclusive("")); + ASSERT_EQ(-EEXIST, image.lock_shared(cookie1, "")); + ASSERT_EQ(-EBUSY, image.lock_shared(cookie1, "test")); + ASSERT_EQ(-EBUSY, image.lock_shared("", "test")); + ASSERT_EQ(-EBUSY, image.lock_shared("", "")); + + // list exclusive + ASSERT_EQ(0, image.list_lockers(&lockers, &exclusive, &tag)); + ASSERT_TRUE(exclusive); + ASSERT_EQ("", tag); + ASSERT_EQ(1u, lockers.size()); + ASSERT_EQ(cookie1, lockers.front().cookie); + + // unlock + ASSERT_EQ(-ENOENT, image.unlock("")); + ASSERT_EQ(-ENOENT, image.unlock(cookie2)); + ASSERT_EQ(0, image.unlock(cookie1)); + ASSERT_EQ(-ENOENT, image.unlock(cookie1)); + ASSERT_EQ(0, image.list_lockers(&lockers, &exclusive, &tag)); + ASSERT_EQ(0u, lockers.size()); + + ASSERT_EQ(0, image.lock_shared(cookie1, "")); + ASSERT_EQ(-EEXIST, image.lock_shared(cookie1, "")); + ASSERT_EQ(0, image.lock_shared(cookie2, "")); + ASSERT_EQ(-EEXIST, image.lock_shared(cookie2, "")); + ASSERT_EQ(-EEXIST, image.lock_exclusive(cookie1)); + ASSERT_EQ(-EEXIST, image.lock_exclusive(cookie2)); + ASSERT_EQ(-EBUSY, image.lock_exclusive("")); + ASSERT_EQ(-EBUSY, image.lock_exclusive("test")); + + // list shared + ASSERT_EQ(0, image.list_lockers(&lockers, &exclusive, &tag)); + ASSERT_EQ(2u, lockers.size()); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, FlushAio) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + size_t num_aios = 256; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + char test_data[TEST_IO_SIZE + 1]; + size_t i; + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + + rbd_completion_t write_comps[num_aios]; + for (i = 0; i < num_aios; ++i) { + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &write_comps[i])); + uint64_t offset = rand() % (size - TEST_IO_SIZE); + ASSERT_EQ(0, rbd_aio_write(image, offset, TEST_IO_SIZE, test_data, + write_comps[i])); + } + + rbd_completion_t flush_comp; + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &flush_comp)); + ASSERT_EQ(0, rbd_aio_flush(image, flush_comp)); + ASSERT_EQ(0, rbd_aio_wait_for_complete(flush_comp)); + ASSERT_EQ(1, rbd_aio_is_complete(flush_comp)); + rbd_aio_release(flush_comp); + + for (i = 0; i < num_aios; ++i) { + ASSERT_EQ(1, rbd_aio_is_complete(write_comps[i])); + rbd_aio_release(write_comps[i]); + } + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_remove(ioctx, name.c_str())); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, FlushAioPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + const size_t num_aios = 256; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + char test_data[TEST_IO_SIZE + 1]; + size_t i; + for (i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + + librbd::RBD::AioCompletion *write_comps[num_aios]; + ceph::bufferlist bls[num_aios]; + for (i = 0; i < num_aios; ++i) { + bls[i].append(test_data, strlen(test_data)); + write_comps[i] = new librbd::RBD::AioCompletion(NULL, NULL); + uint64_t offset = rand() % (size - TEST_IO_SIZE); + ASSERT_EQ(0, image.aio_write(offset, TEST_IO_SIZE, bls[i], + write_comps[i])); + } + + librbd::RBD::AioCompletion *flush_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_flush(flush_comp)); + ASSERT_EQ(0, flush_comp->wait_for_complete()); + ASSERT_EQ(1, flush_comp->is_complete()); + flush_comp->release(); + + for (i = 0; i < num_aios; ++i) { + librbd::RBD::AioCompletion *comp = write_comps[i]; + ASSERT_EQ(1, comp->is_complete()); + comp->release(); + } + ASSERT_PASSED(validate_object_map, image); + } + + ioctx.close(); +} + + +int iterate_cb(uint64_t off, size_t len, int exists, void *arg) +{ + //cout << "iterate_cb " << off << "~" << len << std::endl; + interval_set<uint64_t> *diff = static_cast<interval_set<uint64_t> *>(arg); + diff->insert(off, len); + return 0; +} + +static int iterate_error_cb(uint64_t off, size_t len, int exists, void *arg) +{ + return -EINVAL; +} + +void scribble(librbd::Image& image, int n, int max, bool skip_discard, + interval_set<uint64_t> *exists, + interval_set<uint64_t> *what) +{ + uint64_t size; + image.size(&size); + interval_set<uint64_t> exists_at_start = *exists; + + for (int i=0; i<n; i++) { + uint64_t off = rand() % (size - max + 1); + uint64_t len = 1 + rand() % max; + if (!skip_discard && rand() % 4 == 0) { + ASSERT_EQ((int)len, image.discard(off, len)); + interval_set<uint64_t> w; + w.insert(off, len); + + // the zeroed bit no longer exists... + w.intersection_of(*exists); + exists->subtract(w); + + // the bits we discarded are no long written... + interval_set<uint64_t> w2 = w; + w2.intersection_of(*what); + what->subtract(w2); + + // except for the extents that existed at the start that we overwrote. + interval_set<uint64_t> w3; + w3.insert(off, len); + w3.intersection_of(exists_at_start); + what->union_of(w3); + + } else { + bufferlist bl; + bl.append(buffer::create(len)); + bl.zero(); + ASSERT_EQ((int)len, image.write(off, len, bl)); + interval_set<uint64_t> w; + w.insert(off, len); + what->union_of(w); + exists->union_of(w); + } + } +} + +interval_set<uint64_t> round_diff_interval(const interval_set<uint64_t>& diff, + uint64_t object_size) +{ + if (object_size == 0) { + return diff; + } + + interval_set<uint64_t> rounded_diff; + for (interval_set<uint64_t>::const_iterator it = diff.begin(); + it != diff.end(); ++it) { + uint64_t off = it.get_start(); + uint64_t len = it.get_len(); + off -= off % object_size; + len += (object_size - (len % object_size)); + interval_set<uint64_t> interval; + interval.insert(off, len); + rounded_diff.union_of(interval); + } + return rounded_diff; +} + +TEST_F(TestLibRBD, SnapDiff) +{ + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string image_name = get_temp_image_name(); + uint64_t size = 100 << 20; + ASSERT_EQ(0, create_image(ioctx, image_name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, image_name.c_str(), &image, nullptr)); + + char test_data[TEST_IO_SIZE + 1]; + for (size_t i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + test_data[TEST_IO_SIZE] = '\0'; + + ASSERT_PASSED(write_test_data, image, test_data, 0, + TEST_IO_SIZE, LIBRADOS_OP_FLAG_FADVISE_NOCACHE); + + interval_set<uint64_t> diff; + ASSERT_EQ(0, rbd_diff_iterate2(image, nullptr, 0, size, true, true, + iterate_cb, &diff)); + EXPECT_EQ(1 << order, diff.size()); + + ASSERT_EQ(0, rbd_snap_create(image, "snap1")); + ASSERT_EQ(0, rbd_snap_create(image, "snap2")); + + diff.clear(); + ASSERT_EQ(0, rbd_diff_iterate2(image, nullptr, 0, size, true, true, + iterate_cb, &diff)); + EXPECT_EQ(1 << order, diff.size()); + + diff.clear(); + ASSERT_EQ(0, rbd_diff_iterate2(image, "snap1", 0, size, true, true, + iterate_cb, &diff)); + EXPECT_EQ(0, diff.size()); + + diff.clear(); + ASSERT_EQ(0, rbd_diff_iterate2(image, "snap2", 0, size, true, true, + iterate_cb, &diff)); + EXPECT_EQ(0, diff.size()); + + ASSERT_EQ(0, rbd_snap_remove(image, "snap1")); + ASSERT_EQ(0, rbd_snap_remove(image, "snap2")); + + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_remove(ioctx, image_name.c_str())); + + rados_ioctx_destroy(ioctx); +} + +template <typename T> +class DiffIterateTest : public TestLibRBD { +public: + static const uint8_t whole_object = T::whole_object; +}; + +template <bool _whole_object> +class DiffIterateParams { +public: + static const uint8_t whole_object = _whole_object; +}; + +typedef ::testing::Types<DiffIterateParams<false>, + DiffIterateParams<true> > DiffIterateTypes; +TYPED_TEST_SUITE(DiffIterateTest, DiffIterateTypes); + +TYPED_TEST(DiffIterateTest, DiffIterate) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + + interval_set<uint64_t> exists; + interval_set<uint64_t> one, two; + scribble(image, 10, 102400, skip_discard, &exists, &one); + cout << " wrote " << one << std::endl; + ASSERT_EQ(0, image.snap_create("one")); + scribble(image, 10, 102400, skip_discard, &exists, &two); + + two = round_diff_interval(two, object_size); + cout << " wrote " << two << std::endl; + + interval_set<uint64_t> diff; + ASSERT_EQ(0, image.diff_iterate2("one", 0, size, true, this->whole_object, + iterate_cb, (void *)&diff)); + cout << " diff was " << diff << std::endl; + if (!two.subset_of(diff)) { + interval_set<uint64_t> i; + i.intersection_of(two, diff); + interval_set<uint64_t> l = two; + l.subtract(i); + cout << " ... two - (two*diff) = " << l << std::endl; + } + ASSERT_TRUE(two.subset_of(diff)); + } + ioctx.close(); +} + +struct diff_extent { + diff_extent(uint64_t _offset, uint64_t _length, bool _exists, + uint64_t object_size) : + offset(_offset), length(_length), exists(_exists) + { + if (object_size != 0) { + offset -= offset % object_size; + length = object_size; + } + } + uint64_t offset; + uint64_t length; + bool exists; + bool operator==(const diff_extent& o) const { + return offset == o.offset && length == o.length && exists == o.exists; + } +}; + +ostream& operator<<(ostream & o, const diff_extent& e) { + return o << '(' << e.offset << '~' << e.length << ' ' << (e.exists ? "true" : "false") << ')'; +} + +int vector_iterate_cb(uint64_t off, size_t len, int exists, void *arg) +{ + cout << "iterate_cb " << off << "~" << len << std::endl; + vector<diff_extent> *diff = static_cast<vector<diff_extent> *>(arg); + diff->push_back(diff_extent(off, len, exists, 0)); + return 0; +} + +TYPED_TEST(DiffIterateTest, DiffIterateDiscard) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + vector<diff_extent> extents; + ceph::bufferlist bl; + + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(0u, extents.size()); + + char data[256]; + memset(data, 1, sizeof(data)); + bl.append(data, 256); + ASSERT_EQ(256, image.write(0, 256, bl)); + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(0, 256, true, object_size), extents[0]); + + int obj_ofs = 256; + ASSERT_EQ(1 << order, image.discard(0, 1 << order)); + + extents.clear(); + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(0u, extents.size()); + + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(256, image.write(0, 256, bl)); + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(0, 256, true, object_size), extents[0]); + ASSERT_EQ(0, image.snap_create("snap2")); + + ASSERT_EQ(obj_ofs, image.discard(0, obj_ofs)); + + extents.clear(); + ASSERT_EQ(0, image.snap_set("snap2")); + ASSERT_EQ(0, image.diff_iterate2("snap1", 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(0, 256, true, object_size), extents[0]); + + ASSERT_EQ(0, image.snap_set(NULL)); + ASSERT_EQ(1 << order, image.discard(0, 1 << order)); + ASSERT_EQ(0, image.snap_create("snap3")); + ASSERT_EQ(0, image.snap_set("snap3")); + + extents.clear(); + ASSERT_EQ(0, image.diff_iterate2("snap1", 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(0, 256, false, object_size), extents[0]); + ASSERT_PASSED(this->validate_object_map, image); +} + +TYPED_TEST(DiffIterateTest, DiffIterateStress) +{ + REQUIRE(!is_rbd_pwl_enabled((CephContext *)this->_rados.cct())); + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + uint64_t size = 400 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + + interval_set<uint64_t> curexists; + vector<interval_set<uint64_t> > wrote; + vector<interval_set<uint64_t> > exists; + vector<string> snap; + int n = 20; + for (int i=0; i<n; i++) { + interval_set<uint64_t> w; + scribble(image, 10, 8192000, skip_discard, &curexists, &w); + cout << " i=" << i << " exists " << curexists << " wrote " << w << std::endl; + string s = "snap" + stringify(i); + ASSERT_EQ(0, image.snap_create(s.c_str())); + wrote.push_back(w); + exists.push_back(curexists); + snap.push_back(s); + } + + for (int h=0; h<n-1; h++) { + for (int i=0; i<n-h-1; i++) { + for (int j=(h==0 ? i+1 : n-1); j<n; j++) { + interval_set<uint64_t> diff, actual, uex; + for (int k=i+1; k<=j; k++) + diff.union_of(wrote[k]); + cout << "from " << i << " to " + << (h != 0 ? string("HEAD") : stringify(j)) << " diff " + << round_diff_interval(diff, object_size) << std::endl; + + // limit to extents that exists both at the beginning and at the end + uex.union_of(exists[i], exists[j]); + diff.intersection_of(uex); + diff = round_diff_interval(diff, object_size); + cout << " limited diff " << diff << std::endl; + + ASSERT_EQ(0, image.snap_set(h==0 ? snap[j].c_str() : NULL)); + ASSERT_EQ(0, image.diff_iterate2(snap[i].c_str(), 0, size, true, + this->whole_object, iterate_cb, + (void *)&actual)); + cout << " actual was " << actual << std::endl; + if (!diff.subset_of(actual)) { + interval_set<uint64_t> i; + i.intersection_of(diff, actual); + interval_set<uint64_t> l = diff; + l.subtract(i); + cout << " ... diff - (actual*diff) = " << l << std::endl; + } + ASSERT_TRUE(diff.subset_of(actual)); + } + } + ASSERT_EQ(0, image.snap_set(NULL)); + ASSERT_EQ(0, image.snap_remove(snap[n-h-1].c_str())); + } + + ASSERT_PASSED(this->validate_object_map, image); +} + +TYPED_TEST(DiffIterateTest, DiffIterateRegression6926) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + vector<diff_extent> extents; + ceph::bufferlist bl; + + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(0u, extents.size()); + + ASSERT_EQ(0, image.snap_create("snap1")); + char data[256]; + memset(data, 1, sizeof(data)); + bl.append(data, 256); + ASSERT_EQ(256, image.write(0, 256, bl)); + + extents.clear(); + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(0, 256, true, object_size), extents[0]); + + ASSERT_EQ(0, image.snap_set("snap1")); + extents.clear(); + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, (void *) &extents)); + ASSERT_EQ(static_cast<size_t>(0), extents.size()); +} + +TYPED_TEST(DiffIterateTest, DiffIterateParent) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 22; + std::string name = this->get_temp_image_name(); + ssize_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + + ceph::bufferlist bl; + bl.append(std::string(size, '1')); + ASSERT_EQ(size, image.write(0, size, bl)); + ASSERT_EQ(0, image.snap_create("snap")); + ASSERT_EQ(0, image.snap_protect("snap")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "snap", ioctx, + clone_name.c_str(), features, &order)); + librbd::Image clone; + ASSERT_EQ(0, rbd.open(ioctx, clone, clone_name.c_str(), NULL)); + + std::vector<diff_extent> extents; + ASSERT_EQ(0, clone.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, &extents)); + ASSERT_EQ(5u, extents.size()); + ASSERT_EQ(diff_extent(0, 4194304, true, object_size), extents[0]); + ASSERT_EQ(diff_extent(4194304, 4194304, true, object_size), extents[1]); + ASSERT_EQ(diff_extent(8388608, 4194304, true, object_size), extents[2]); + ASSERT_EQ(diff_extent(12582912, 4194304, true, object_size), extents[3]); + ASSERT_EQ(diff_extent(16777216, 4194304, true, object_size), extents[4]); + extents.clear(); + + ASSERT_EQ(0, clone.resize(size / 2)); + ASSERT_EQ(0, clone.resize(size)); + ASSERT_EQ(1, clone.write(size - 1, 1, bl)); + + ASSERT_EQ(0, clone.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, &extents)); + ASSERT_EQ(4u, extents.size()); + ASSERT_EQ(diff_extent(0, 4194304, true, object_size), extents[0]); + ASSERT_EQ(diff_extent(4194304, 4194304, true, object_size), extents[1]); + ASSERT_EQ(diff_extent(8388608, 2097152, true, object_size), extents[2]); + // hole (parent overlap = 10M) followed by copyup'ed object + ASSERT_EQ(diff_extent(16777216, 4194304, true, object_size), extents[3]); + + ASSERT_PASSED(this->validate_object_map, image); + ASSERT_PASSED(this->validate_object_map, clone); + } + + ioctx.close(); +} + +TYPED_TEST(DiffIterateTest, DiffIterateIgnoreParent) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + int order = 0; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + + bufferlist bl; + bl.append(buffer::create(size)); + bl.zero(); + interval_set<uint64_t> one; + one.insert(0, size); + ASSERT_EQ((int)size, image.write(0, size, bl)); + ASSERT_EQ(0, image.snap_create("one")); + ASSERT_EQ(0, image.snap_protect("one")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "one", ioctx, clone_name.c_str(), + features, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, clone_name.c_str(), NULL)); + + interval_set<uint64_t> exists; + interval_set<uint64_t> two; + scribble(image, 10, 102400, skip_discard, &exists, &two); + two = round_diff_interval(two, object_size); + cout << " wrote " << two << " to clone" << std::endl; + + interval_set<uint64_t> diff; + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, false, this->whole_object, + iterate_cb, (void *)&diff)); + cout << " diff was " << diff << std::endl; + if (!this->whole_object) { + ASSERT_FALSE(one.subset_of(diff)); + } + ASSERT_TRUE(two.subset_of(diff)); +} + +TYPED_TEST(DiffIterateTest, DiffIterateCallbackError) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + interval_set<uint64_t> exists; + interval_set<uint64_t> one; + scribble(image, 10, 102400, skip_discard, &exists, &one); + cout << " wrote " << one << std::endl; + + interval_set<uint64_t> diff; + ASSERT_EQ(-EINVAL, image.diff_iterate2(NULL, 0, size, true, + this->whole_object, + iterate_error_cb, NULL)); + } + ioctx.close(); +} + +TYPED_TEST(DiffIterateTest, DiffIterateParentDiscard) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + std::string name = this->get_temp_image_name(); + uint64_t size = 20 << 20; + int order = 0; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + uint64_t object_size = 0; + if (this->whole_object) { + object_size = 1 << order; + } + + interval_set<uint64_t> exists; + interval_set<uint64_t> one; + scribble(image, 10, 102400, skip_discard, &exists, &one); + ASSERT_EQ(0, image.snap_create("one")); + + ASSERT_EQ(1 << order, image.discard(0, 1 << order)); + ASSERT_EQ(0, image.snap_create("two")); + ASSERT_EQ(0, image.snap_protect("two")); + exists.clear(); + one.clear(); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "two", ioctx, + clone_name.c_str(), features, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, clone_name.c_str(), NULL)); + + interval_set<uint64_t> two; + scribble(image, 10, 102400, skip_discard, &exists, &two); + two = round_diff_interval(two, object_size); + + interval_set<uint64_t> diff; + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + iterate_cb, (void *)&diff)); + ASSERT_TRUE(two.subset_of(diff)); +} + +TYPED_TEST(DiffIterateTest, DiffIterateUnalignedSmall) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 0; + std::string name = this->get_temp_image_name(); + ssize_t size = 10 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ceph::bufferlist bl; + bl.append(std::string(size, '1')); + ASSERT_EQ(size, image.write(0, size, bl)); + + std::vector<diff_extent> extents; + ASSERT_EQ(0, image.diff_iterate2(NULL, 5000005, 1234, true, + this->whole_object, vector_iterate_cb, + &extents)); + ASSERT_EQ(1u, extents.size()); + ASSERT_EQ(diff_extent(5000005, 1234, true, 0), extents[0]); + + ASSERT_PASSED(this->validate_object_map, image); + } + + ioctx.close(); +} + +TYPED_TEST(DiffIterateTest, DiffIterateUnaligned) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 22; + std::string name = this->get_temp_image_name(); + ssize_t size = 20 << 20; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ceph::bufferlist bl; + bl.append(std::string(size, '1')); + ASSERT_EQ(size, image.write(0, size, bl)); + + std::vector<diff_extent> extents; + ASSERT_EQ(0, image.diff_iterate2(NULL, 8376263, 4260970, true, + this->whole_object, vector_iterate_cb, + &extents)); + ASSERT_EQ(3u, extents.size()); + ASSERT_EQ(diff_extent(8376263, 12345, true, 0), extents[0]); + ASSERT_EQ(diff_extent(8388608, 4194304, true, 0), extents[1]); + ASSERT_EQ(diff_extent(12582912, 54321, true, 0), extents[2]); + + ASSERT_PASSED(this->validate_object_map, image); + } + + ioctx.close(); +} + +TYPED_TEST(DiffIterateTest, DiffIterateStriping) +{ + REQUIRE_FEATURE(RBD_FEATURE_STRIPINGV2); + + librados::IoCtx ioctx; + ASSERT_EQ(0, this->_rados.ioctx_create(this->m_pool_name.c_str(), ioctx)); + + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 22; + std::string name = this->get_temp_image_name(); + ssize_t size = 24 << 20; + + ASSERT_EQ(0, rbd.create3(ioctx, name.c_str(), size, features, &order, + 1 << 20, 3)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ceph::bufferlist bl; + bl.append(std::string(size, '1')); + ASSERT_EQ(size, image.write(0, size, bl)); + + std::vector<diff_extent> extents; + ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, true, this->whole_object, + vector_iterate_cb, &extents)); + ASSERT_EQ(2u, extents.size()); + ASSERT_EQ(diff_extent(0, 12 << 20, true, 0), extents[0]); + ASSERT_EQ(diff_extent(12 << 20, 12 << 20, true, 0), extents[1]); + extents.clear(); + + ASSERT_EQ(0, image.snap_create("one")); + ASSERT_EQ(size, image.discard(0, size)); + + ASSERT_EQ(0, image.diff_iterate2("one", 0, size, true, this->whole_object, + vector_iterate_cb, &extents)); + ASSERT_EQ(2u, extents.size()); + ASSERT_EQ(diff_extent(0, 12 << 20, false, 0), extents[0]); + ASSERT_EQ(diff_extent(12 << 20, 12 << 20, false, 0), extents[1]); + extents.clear(); + + ASSERT_EQ(1 << 20, image.write(0, 1 << 20, bl)); + ASSERT_EQ(2 << 20, image.write(2 << 20, 2 << 20, bl)); + ASSERT_EQ(2 << 20, image.write(5 << 20, 2 << 20, bl)); + ASSERT_EQ(2 << 20, image.write(8 << 20, 2 << 20, bl)); + ASSERT_EQ(13 << 20, image.write(11 << 20, 13 << 20, bl)); + + ASSERT_EQ(0, image.diff_iterate2("one", 0, size, true, this->whole_object, + vector_iterate_cb, &extents)); + ASSERT_EQ(10u, extents.size()); + ASSERT_EQ(diff_extent(0, 1 << 20, true, 0), extents[0]); + ASSERT_EQ(diff_extent(1 << 20, 1 << 20, false, 0), extents[1]); + ASSERT_EQ(diff_extent(2 << 20, 2 << 20, true, 0), extents[2]); + ASSERT_EQ(diff_extent(4 << 20, 1 << 20, false, 0), extents[3]); + ASSERT_EQ(diff_extent(5 << 20, 2 << 20, true, 0), extents[4]); + ASSERT_EQ(diff_extent(7 << 20, 1 << 20, false, 0), extents[5]); + ASSERT_EQ(diff_extent(8 << 20, 2 << 20, true, 0), extents[6]); + ASSERT_EQ(diff_extent(10 << 20, 1 << 20, false, 0), extents[7]); + ASSERT_EQ(diff_extent(11 << 20, 1 << 20, true, 0), extents[8]); + ASSERT_EQ(diff_extent(12 << 20, 12 << 20, true, 0), extents[9]); + + ASSERT_PASSED(this->validate_object_map, image); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, ZeroLengthWrite) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + char read_data[1]; + ASSERT_EQ(0, rbd_write(image, 0, 0, NULL)); + ASSERT_EQ(1, rbd_read(image, 0, 1, read_data)); + ASSERT_EQ('\0', read_data[0]); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + + +TEST_F(TestLibRBD, ZeroLengthDiscard) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + const char data[] = "blah"; + char read_data[sizeof(data)]; + ASSERT_EQ((int)strlen(data), rbd_write(image, 0, strlen(data), data)); + ASSERT_EQ(0, rbd_discard(image, 0, 0)); + ASSERT_EQ((int)strlen(data), rbd_read(image, 0, strlen(data), read_data)); + ASSERT_EQ(0, memcmp(data, read_data, strlen(data))); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, ZeroLengthRead) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + char read_data[1]; + ASSERT_EQ(0, rbd_read(image, 0, 0, read_data)); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, LargeCacheRead) +{ + std::string config_value; + ASSERT_EQ(0, _rados.conf_get("rbd_cache", config_value)); + if (config_value == "false") { + std::cout << "SKIPPING due to disabled cache" << std::endl; + return; + } + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + uint32_t new_cache_size = 1 << 20; + std::string orig_cache_size; + ASSERT_EQ(0, _rados.conf_get("rbd_cache_size", orig_cache_size)); + ASSERT_EQ(0, _rados.conf_set("rbd_cache_size", + stringify(new_cache_size).c_str())); + ASSERT_EQ(0, _rados.conf_get("rbd_cache_size", config_value)); + ASSERT_EQ(stringify(new_cache_size), config_value); + BOOST_SCOPE_EXIT( (orig_cache_size) ) { + ASSERT_EQ(0, _rados.conf_set("rbd_cache_size", orig_cache_size.c_str())); + } BOOST_SCOPE_EXIT_END; + + rbd_image_t image; + int order = 21; + std::string name = get_temp_image_name(); + uint64_t size = 1 << order; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + std::string buffer(1 << order, '1'); + + ASSERT_EQ(static_cast<ssize_t>(buffer.size()), + rbd_write(image, 0, buffer.size(), buffer.c_str())); + + ASSERT_EQ(0, rbd_invalidate_cache(image)); + + ASSERT_EQ(static_cast<ssize_t>(buffer.size()), + rbd_read(image, 0, buffer.size(), &buffer[0])); + + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestPendingAio) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + bool old_format; + uint64_t features; + rbd_image_t image; + int order = 0; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + + std::string name = get_temp_image_name(); + + uint64_t size = 4 << 20; + ASSERT_EQ(0, create_image_full(ioctx, name.c_str(), size, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_invalidate_cache(image)); + + char test_data[TEST_IO_SIZE]; + for (size_t i = 0; i < TEST_IO_SIZE; ++i) { + test_data[i] = (char) (rand() % (126 - 33) + 33); + } + + size_t num_aios = 256; + rbd_completion_t comps[num_aios]; + for (size_t i = 0; i < num_aios; ++i) { + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &comps[i])); + uint64_t offset = rand() % (size - TEST_IO_SIZE); + ASSERT_EQ(0, rbd_aio_write(image, offset, TEST_IO_SIZE, test_data, + comps[i])); + } + for (size_t i = 0; i < num_aios; ++i) { + ASSERT_EQ(0, rbd_aio_wait_for_complete(comps[i])); + rbd_aio_release(comps[i]); + } + ASSERT_EQ(0, rbd_invalidate_cache(image)); + + for (size_t i = 0; i < num_aios; ++i) { + ASSERT_EQ(0, rbd_aio_create_completion(NULL, NULL, &comps[i])); + uint64_t offset = rand() % (size - TEST_IO_SIZE); + ASSERT_LE(0, rbd_aio_read(image, offset, TEST_IO_SIZE, test_data, + comps[i])); + } + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + for (size_t i = 0; i < num_aios; ++i) { + ASSERT_EQ(1, rbd_aio_is_complete(comps[i])); + rbd_aio_release(comps[i]); + } + + rados_ioctx_destroy(ioctx); +} + +void compare_and_write_copyup(librados::IoCtx &ioctx, bool deep_copyup, + bool *passed) +{ + librbd::RBD rbd; + std::string parent_name = TestLibRBD::get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, parent_name.c_str(), size, &order)); + + librbd::Image parent_image; + ASSERT_EQ(0, rbd.open(ioctx, parent_image, parent_name.c_str(), NULL)); + + bufferlist bl; + bl.append(std::string(4096, '1')); + ASSERT_EQ((ssize_t)bl.length(), parent_image.write(0, bl.length(), bl)); + + ASSERT_EQ(0, parent_image.snap_create("snap1")); + ASSERT_EQ(0, parent_image.snap_protect("snap1")); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + std::string clone_name = TestLibRBD::get_temp_image_name(); + EXPECT_EQ(0, rbd.clone(ioctx, parent_name.c_str(), "snap1", ioctx, + clone_name.c_str(), features, &order)); + + librbd::Image clone_image; + ASSERT_EQ(0, rbd.open(ioctx, clone_image, clone_name.c_str(), NULL)); + if (deep_copyup) { + ASSERT_EQ(0, clone_image.snap_create("snap1")); + } + + bufferlist cmp_bl; + cmp_bl.append(std::string(96, '1')); + bufferlist write_bl; + write_bl.append(std::string(512, '2')); + uint64_t mismatch_off; + ASSERT_EQ((ssize_t)write_bl.length(), + clone_image.compare_and_write(512, write_bl.length(), cmp_bl, + write_bl, &mismatch_off, 0)); + + bufferlist read_bl; + ASSERT_EQ(4096, clone_image.read(0, 4096, read_bl)); + + bufferlist expected_bl; + expected_bl.append(std::string(512, '1')); + expected_bl.append(std::string(512, '2')); + expected_bl.append(std::string(3072, '1')); + ASSERT_TRUE(expected_bl.contents_equal(read_bl)); + *passed = true; +} + +TEST_F(TestLibRBD, CompareAndWriteCopyup) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + ASSERT_PASSED(compare_and_write_copyup, ioctx, false); + ASSERT_PASSED(compare_and_write_copyup, ioctx, true); +} + +void compare_and_write_copyup_mismatch(librados::IoCtx &ioctx, + bool deep_copyup, bool *passed) +{ + librbd::RBD rbd; + std::string parent_name = TestLibRBD::get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, parent_name.c_str(), size, &order)); + + librbd::Image parent_image; + ASSERT_EQ(0, rbd.open(ioctx, parent_image, parent_name.c_str(), NULL)); + + bufferlist bl; + bl.append(std::string(4096, '1')); + ASSERT_EQ((ssize_t)bl.length(), parent_image.write(0, bl.length(), bl)); + + ASSERT_EQ(0, parent_image.snap_create("snap1")); + ASSERT_EQ(0, parent_image.snap_protect("snap1")); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + std::string clone_name = TestLibRBD::get_temp_image_name(); + EXPECT_EQ(0, rbd.clone(ioctx, parent_name.c_str(), "snap1", ioctx, + clone_name.c_str(), features, &order)); + + librbd::Image clone_image; + ASSERT_EQ(0, rbd.open(ioctx, clone_image, clone_name.c_str(), NULL)); + if (deep_copyup) { + ASSERT_EQ(0, clone_image.snap_create("snap1")); + } + + bufferlist cmp_bl; + cmp_bl.append(std::string(48, '1')); + cmp_bl.append(std::string(48, '3')); + bufferlist write_bl; + write_bl.append(std::string(512, '2')); + uint64_t mismatch_off; + ASSERT_EQ(-EILSEQ, + clone_image.compare_and_write(512, write_bl.length(), cmp_bl, + write_bl, &mismatch_off, 0)); + ASSERT_EQ(48U, mismatch_off); + + bufferlist read_bl; + ASSERT_EQ(4096, clone_image.read(0, 4096, read_bl)); + + ASSERT_TRUE(bl.contents_equal(read_bl)); + *passed = true; +} + +TEST_F(TestLibRBD, CompareAndWriteCopyupMismatch) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + ASSERT_PASSED(compare_and_write_copyup_mismatch, ioctx, false); + ASSERT_PASSED(compare_and_write_copyup_mismatch, ioctx, true); +} + +TEST_F(TestLibRBD, Flatten) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string parent_name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, parent_name.c_str(), size, &order)); + + librbd::Image parent_image; + ASSERT_EQ(0, rbd.open(ioctx, parent_image, parent_name.c_str(), NULL)); + + bufferlist bl; + bl.append(std::string(4096, '1')); + ASSERT_EQ((ssize_t)bl.length(), parent_image.write(0, bl.length(), bl)); + + ASSERT_EQ(0, parent_image.snap_create("snap1")); + ASSERT_EQ(0, parent_image.snap_protect("snap1")); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + std::string clone_name = get_temp_image_name(); + EXPECT_EQ(0, rbd.clone(ioctx, parent_name.c_str(), "snap1", ioctx, + clone_name.c_str(), features, &order)); + + librbd::Image clone_image; + ASSERT_EQ(0, rbd.open(ioctx, clone_image, clone_name.c_str(), NULL)); + ASSERT_EQ(0, clone_image.flatten()); + + librbd::RBD::AioCompletion *read_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + bufferlist read_bl; + clone_image.aio_read(0, bl.length(), read_bl, read_comp); + ASSERT_EQ(0, read_comp->wait_for_complete()); + ASSERT_EQ((ssize_t)bl.length(), read_comp->get_return_value()); + read_comp->release(); + ASSERT_TRUE(bl.contents_equal(read_bl)); + + ASSERT_PASSED(validate_object_map, clone_image); +} + +TEST_F(TestLibRBD, Sparsify) +{ + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + BOOST_SCOPE_EXIT_ALL(&ioctx) { + rados_ioctx_destroy(ioctx); + }; + + const size_t CHUNK_SIZE = 4096 * 2; + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = CHUNK_SIZE * 1024; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + BOOST_SCOPE_EXIT_ALL(&image) { + rbd_close(image); + }; + + char test_data[4 * CHUNK_SIZE + 1]; + for (size_t i = 0; i < 4 ; ++i) { + for (size_t j = 0; j < CHUNK_SIZE; j++) { + if (i % 2) { + test_data[i * CHUNK_SIZE + j] = (char)(rand() % (126 - 33) + 33); + } else { + test_data[i * CHUNK_SIZE + j] = '\0'; + } + } + } + test_data[4 * CHUNK_SIZE] = '\0'; + + ASSERT_PASSED(write_test_data, image, test_data, 0, 4 * CHUNK_SIZE, 0); + ASSERT_EQ(0, rbd_flush(image)); + + ASSERT_EQ(-EINVAL, rbd_sparsify(image, 16)); + ASSERT_EQ(-EINVAL, rbd_sparsify(image, 1 << (order + 1))); + ASSERT_EQ(-EINVAL, rbd_sparsify(image, 4096 + 1)); + ASSERT_EQ(0, rbd_sparsify(image, 4096)); + + ASSERT_PASSED(read_test_data, image, test_data, 0, 4 * CHUNK_SIZE, 0); +} + +TEST_F(TestLibRBD, SparsifyPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 12 * 1024 * 1024; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + + bufferlist bl; + bl.append(std::string(4096, '\0')); + bl.append(std::string(4096, '1')); + bl.append(std::string(4096, '\0')); + ASSERT_EQ((ssize_t)bl.length(), image.write(0, bl.length(), bl)); + ASSERT_EQ(0, image.flush()); + + ASSERT_EQ(-EINVAL, image.sparsify(16)); + ASSERT_EQ(-EINVAL, image.sparsify(1 << (order + 1))); + ASSERT_EQ(-EINVAL, image.sparsify(4096 + 1)); + ASSERT_EQ(0, image.sparsify(4096)); + + bufferlist read_bl; + ASSERT_EQ((ssize_t)bl.length(), image.read(0, bl.length(), read_bl)); + ASSERT_TRUE(bl.contents_equal(read_bl)); + + ASSERT_PASSED(validate_object_map, image); +} + +TEST_F(TestLibRBD, SnapshotLimit) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + uint64_t limit; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_snap_get_limit(image, &limit)); + ASSERT_EQ(UINT64_MAX, limit); + ASSERT_EQ(0, rbd_snap_set_limit(image, 2)); + ASSERT_EQ(0, rbd_snap_get_limit(image, &limit)); + ASSERT_EQ(2U, limit); + + ASSERT_EQ(0, rbd_snap_create(image, "snap1")); + ASSERT_EQ(-ERANGE, rbd_snap_set_limit(image, 0)); + ASSERT_EQ(0, rbd_snap_create(image, "snap2")); + ASSERT_EQ(-EDQUOT, rbd_snap_create(image, "snap3")); + ASSERT_EQ(0, rbd_snap_set_limit(image, UINT64_MAX)); + ASSERT_EQ(0, rbd_snap_create(image, "snap3")); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + + +TEST_F(TestLibRBD, SnapshotLimitPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + uint64_t limit; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + ASSERT_EQ(0, image.snap_get_limit(&limit)); + ASSERT_EQ(UINT64_MAX, limit); + ASSERT_EQ(0, image.snap_set_limit(2)); + ASSERT_EQ(0, image.snap_get_limit(&limit)); + ASSERT_EQ(2U, limit); + + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(-ERANGE, image.snap_set_limit(0)); + ASSERT_EQ(0, image.snap_create("snap2")); + ASSERT_EQ(-EDQUOT, image.snap_create("snap3")); + ASSERT_EQ(0, image.snap_set_limit(UINT64_MAX)); + ASSERT_EQ(0, image.snap_create("snap3")); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, RebuildObjectMapViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK | RBD_FEATURE_OBJECT_MAP); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + std::string object_map_oid; + { + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + std::string image_id; + ASSERT_EQ(0, get_image_id(image, &image_id)); + object_map_oid = RBD_OBJECT_MAP_PREFIX + image_id; + } + + // corrupt the object map + bufferlist bl; + bl.append("foo"); + ASSERT_EQ(0, ioctx.write(object_map_oid, bl, bl.length(), 0)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bool lock_owner; + bl.clear(); + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + uint64_t flags; + ASSERT_EQ(0, image1.get_flags(&flags)); + ASSERT_TRUE((flags & RBD_FLAG_OBJECT_MAP_INVALID) != 0); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + PrintProgress prog_ctx; + ASSERT_EQ(0, image2.rebuild_object_map(prog_ctx)); + ASSERT_PASSED(validate_object_map, image1); + ASSERT_PASSED(validate_object_map, image2); +} + +TEST_F(TestLibRBD, RenameViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + std::string new_name = get_temp_image_name(); + ASSERT_EQ(0, rbd.rename(ioctx, name.c_str(), new_name.c_str())); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + name = new_name; + new_name = get_temp_image_name(); + ASSERT_EQ(0, rbd.rename(ioctx, name.c_str(), new_name.c_str())); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, new_name.c_str(), NULL)); +} + +TEST_F(TestLibRBD, SnapCreateViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + // switch to writeback cache + ASSERT_EQ(0, image1.flush()); + + bufferlist bl; + bl.append(std::string(4096, '1')); + ASSERT_EQ((ssize_t)bl.length(), image1.write(0, bl.length(), bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.snap_create("snap1")); + bool exists; + ASSERT_EQ(0, image1.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image2.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, SnapRemoveViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.snap_create("snap1")); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.snap_remove("snap1")); + bool exists; + ASSERT_EQ(0, image1.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, image2.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, EnableJournalingViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_JOURNALING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.update_features(RBD_FEATURE_JOURNALING, false)); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.update_features(RBD_FEATURE_JOURNALING, true)); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, SnapRemove2) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.snap_create("snap1")); + bool exists; + ASSERT_EQ(0, image1.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image1.snap_protect("snap1")); + bool is_protected; + ASSERT_EQ(0, image1.snap_is_protected("snap1", &is_protected)); + ASSERT_TRUE(is_protected); + + uint64_t features; + ASSERT_EQ(0, image1.features(&features)); + + std::string child_name = get_temp_image_name(); + EXPECT_EQ(0, rbd.clone(ioctx, name.c_str(), "snap1", ioctx, + child_name.c_str(), features, &order)); + + ASSERT_EQ(0, image1.snap_exists2("snap1", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image1.snap_is_protected("snap1", &is_protected)); + ASSERT_TRUE(is_protected); + + ASSERT_EQ(-EBUSY, image1.snap_remove("snap1")); + PrintProgress pp; + ASSERT_EQ(0, image1.snap_remove2("snap1", RBD_SNAP_REMOVE_FORCE, pp)); + ASSERT_EQ(0, image1.snap_exists2("snap1", &exists)); + ASSERT_FALSE(exists); +} + +TEST_F(TestLibRBD, SnapRenameViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING | RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.snap_create("snap1")); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.snap_rename("snap1", "snap1-rename")); + bool exists; + ASSERT_EQ(0, image1.snap_exists2("snap1-rename", &exists)); + ASSERT_TRUE(exists); + ASSERT_EQ(0, image2.snap_exists2("snap1-rename", &exists)); + ASSERT_TRUE(exists); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, SnapProtectViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING | RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_EQ(0, image1.snap_create("snap1")); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.snap_protect("snap1")); + bool is_protected; + ASSERT_EQ(0, image2.snap_is_protected("snap1", &is_protected)); + ASSERT_TRUE(is_protected); + ASSERT_EQ(0, image1.snap_is_protected("snap1", &is_protected)); + ASSERT_TRUE(is_protected); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, SnapUnprotectViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING | RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_EQ(0, image1.snap_create("snap1")); + ASSERT_EQ(0, image1.snap_protect("snap1")); + bool is_protected; + ASSERT_EQ(0, image1.snap_is_protected("snap1", &is_protected)); + ASSERT_TRUE(is_protected); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.snap_unprotect("snap1")); + ASSERT_EQ(0, image2.snap_is_protected("snap1", &is_protected)); + ASSERT_FALSE(is_protected); + ASSERT_EQ(0, image1.snap_is_protected("snap1", &is_protected)); + ASSERT_FALSE(is_protected); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); +} + +TEST_F(TestLibRBD, FlattenViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string parent_name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, parent_name.c_str(), size, &order)); + + librbd::Image parent_image; + ASSERT_EQ(0, rbd.open(ioctx, parent_image, parent_name.c_str(), NULL)); + ASSERT_EQ(0, parent_image.snap_create("snap1")); + ASSERT_EQ(0, parent_image.snap_protect("snap1")); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + std::string name = get_temp_image_name(); + EXPECT_EQ(0, rbd.clone(ioctx, parent_name.c_str(), "snap1", ioctx, + name.c_str(), features, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.flatten()); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_PASSED(validate_object_map, image1); +} + +TEST_F(TestLibRBD, ResizeViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.resize(0)); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_PASSED(validate_object_map, image1); +} + +TEST_F(TestLibRBD, SparsifyViaLockOwner) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bufferlist bl; + ASSERT_EQ(0, image1.write(0, 0, bl)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + ASSERT_EQ(0, image2.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, image2.sparsify(4096)); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + ASSERT_PASSED(validate_object_map, image1); +} + +TEST_F(TestLibRBD, ObjectMapConsistentSnap) +{ + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + int num_snaps = 10; + for (int i = 0; i < num_snaps; ++i) { + std::string snap_name = "snap" + stringify(i); + ASSERT_EQ(0, image1.snap_create(snap_name.c_str())); + } + + + thread writer([&image1](){ + librbd::image_info_t info; + int r = image1.stat(info, sizeof(info)); + ceph_assert(r == 0); + bufferlist bl; + bl.append("foo"); + for (unsigned i = 0; i < info.num_objs; ++i) { + r = image1.write((1 << info.order) * i, bl.length(), bl); + ceph_assert(r == (int) bl.length()); + } + }); + writer.join(); + + for (int i = 0; i < num_snaps; ++i) { + std::string snap_name = "snap" + stringify(i); + ASSERT_EQ(0, image1.snap_set(snap_name.c_str())); + ASSERT_PASSED(validate_object_map, image1); + } + + ASSERT_EQ(0, image1.snap_set(NULL)); + ASSERT_PASSED(validate_object_map, image1); +} + +void memset_rand(char *buf, size_t len) { + for (size_t i = 0; i < len; ++i) { + buf[i] = (char) (rand() % (126 - 33) + 33); + } +} + +TEST_F(TestLibRBD, Metadata) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_image_t image; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + rbd_image_t image1; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image1, NULL)); + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + + ASSERT_EQ(0, rbd_metadata_list(image, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(0U, keys_len); + ASSERT_EQ(0U, vals_len); + + char value[1024]; + size_t value_len = sizeof(value); + memset_rand(value, value_len); + + ASSERT_EQ(0, rbd_metadata_set(image1, "key1", "value1")); + ASSERT_EQ(0, rbd_metadata_set(image1, "key2", "value2")); + ASSERT_EQ(0, rbd_metadata_get(image1, "key1", value, &value_len)); + ASSERT_STREQ(value, "value1"); + value_len = 1; + ASSERT_EQ(-ERANGE, rbd_metadata_get(image1, "key1", value, &value_len)); + ASSERT_EQ(value_len, strlen("value1") + 1); + + ASSERT_EQ(-ERANGE, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1); + ASSERT_STREQ(keys, "key1"); + ASSERT_STREQ(keys + strlen(keys) + 1, "key2"); + ASSERT_STREQ(vals, "value1"); + ASSERT_STREQ(vals + strlen(vals) + 1, "value2"); + + ASSERT_EQ(0, rbd_metadata_remove(image1, "key1")); + ASSERT_EQ(-ENOENT, rbd_metadata_remove(image1, "key3")); + value_len = sizeof(value); + ASSERT_EQ(-ENOENT, rbd_metadata_get(image1, "key3", value, &value_len)); + ASSERT_EQ(0, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value2") + 1); + ASSERT_STREQ(keys, "key2"); + ASSERT_STREQ(vals, "value2"); + + // test config setting + ASSERT_EQ(0, rbd_metadata_set(image1, "conf_rbd_cache", "false")); + ASSERT_EQ(-EINVAL, rbd_metadata_set(image1, "conf_rbd_cache", "INVALID_VAL")); + ASSERT_EQ(0, rbd_metadata_remove(image1, "conf_rbd_cache")); + + // test metadata with snapshot adding + ASSERT_EQ(0, rbd_snap_create(image1, "snap1")); + ASSERT_EQ(0, rbd_snap_protect(image1, "snap1")); + ASSERT_EQ(0, rbd_snap_set(image1, "snap1")); + + ASSERT_EQ(-EROFS, rbd_metadata_set(image1, "key1", "value1")); + ASSERT_EQ(-EROFS, rbd_metadata_remove(image1, "key2")); + + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value2") + 1); + ASSERT_STREQ(keys, "key2"); + ASSERT_STREQ(vals, "value2"); + + ASSERT_EQ(0, rbd_snap_set(image1, NULL)); + ASSERT_EQ(0, rbd_metadata_set(image1, "key1", "value1")); + ASSERT_EQ(0, rbd_metadata_set(image1, "key3", "value3")); + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, + strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + 1); + ASSERT_EQ(vals_len, + strlen("value1") + 1 + strlen("value2") + 1 + strlen("value3") + 1); + ASSERT_STREQ(keys, "key1"); + ASSERT_STREQ(keys + strlen("key1") + 1, "key2"); + ASSERT_STREQ(keys + strlen("key1") + 1 + strlen("key2") + 1, "key3"); + ASSERT_STREQ(vals, "value1"); + ASSERT_STREQ(vals + strlen("value1") + 1, "value2"); + ASSERT_STREQ(vals + strlen("value1") + 1 + strlen("value2") + 1, "value3"); + + // test metadata with cloning + uint64_t features; + ASSERT_EQ(0, rbd_get_features(image1, &features)); + + string cname = get_temp_image_name(); + EXPECT_EQ(0, rbd_clone(ioctx, name.c_str(), "snap1", ioctx, + cname.c_str(), features, &order)); + rbd_image_t image2; + ASSERT_EQ(0, rbd_open(ioctx, cname.c_str(), &image2, NULL)); + ASSERT_EQ(0, rbd_metadata_set(image2, "key4", "value4")); + + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image2, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + + 1 + strlen("key4") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1 + + strlen("value3") + 1 + strlen("value4") + 1); + ASSERT_STREQ(keys + strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + + 1, "key4"); + ASSERT_STREQ(vals + strlen("value1") + 1 + strlen("value2") + 1 + + strlen("value3") + 1, "value4"); + + ASSERT_EQ(0, rbd_metadata_list(image1, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, + strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + 1); + ASSERT_EQ(vals_len, + strlen("value1") + 1 + strlen("value2") + 1 + strlen("value3") + 1); + ASSERT_EQ(-ENOENT, rbd_metadata_get(image1, "key4", value, &value_len)); + + // test short buffer cases + keys_len = strlen("key1") + 1; + vals_len = strlen("value1") + 1; + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image2, "key", 1, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1); + ASSERT_STREQ(keys, "key1"); + ASSERT_STREQ(vals, "value1"); + + ASSERT_EQ(-ERANGE, rbd_metadata_list(image2, "key", 2, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1); + + ASSERT_EQ(-ERANGE, rbd_metadata_list(image2, "key", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + + 1 + strlen("key4") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1 + + strlen("value3") + 1 + strlen("value4") + 1); + + // test `start` param + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_metadata_list(image2, "key2", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key3") + 1 + strlen("key4") + 1); + ASSERT_EQ(vals_len, strlen("value3") + 1 + strlen("value4") + 1); + ASSERT_STREQ(keys, "key3"); + ASSERT_STREQ(vals, "value3"); + + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_close(image1)); + ASSERT_EQ(0, rbd_close(image2)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, MetadataPP) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + uint64_t features; + string value; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + map<string, bufferlist> pairs; + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_TRUE(pairs.empty()); + + ASSERT_EQ(0, image1.metadata_set("key1", "value1")); + ASSERT_EQ(0, image1.metadata_set("key2", "value2")); + ASSERT_EQ(0, image1.metadata_get("key1", &value)); + ASSERT_EQ(0, strcmp("value1", value.c_str())); + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_EQ(2U, pairs.size()); + ASSERT_EQ(0, strncmp("value1", pairs["key1"].c_str(), 6)); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + + pairs.clear(); + ASSERT_EQ(0, image1.metadata_remove("key1")); + ASSERT_EQ(-ENOENT, image1.metadata_remove("key3")); + ASSERT_TRUE(image1.metadata_get("key3", &value) < 0); + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_EQ(1U, pairs.size()); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + + // test config setting + ASSERT_EQ(0, image1.metadata_set("conf_rbd_cache", "false")); + ASSERT_EQ(-EINVAL, image1.metadata_set("conf_rbd_cache", "INVALID_VALUE")); + ASSERT_EQ(0, image1.metadata_remove("conf_rbd_cache")); + + // test metadata with snapshot adding + ASSERT_EQ(0, image1.snap_create("snap1")); + ASSERT_EQ(0, image1.snap_protect("snap1")); + ASSERT_EQ(0, image1.snap_set("snap1")); + + pairs.clear(); + ASSERT_EQ(-EROFS, image1.metadata_set("key1", "value1")); + ASSERT_EQ(-EROFS, image1.metadata_remove("key2")); + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_EQ(1U, pairs.size()); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + + ASSERT_EQ(0, image1.snap_set(NULL)); + ASSERT_EQ(0, image1.metadata_set("key1", "value1")); + ASSERT_EQ(0, image1.metadata_set("key3", "value3")); + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_EQ(3U, pairs.size()); + ASSERT_EQ(0, strncmp("value1", pairs["key1"].c_str(), 6)); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + ASSERT_EQ(0, strncmp("value3", pairs["key3"].c_str(), 6)); + + // test metadata with cloning + string cname = get_temp_image_name(); + librbd::Image image2; + ASSERT_EQ(0, image1.features(&features)); + EXPECT_EQ(0, rbd.clone(ioctx, name.c_str(), "snap1", ioctx, + cname.c_str(), features, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image2, cname.c_str(), NULL)); + ASSERT_EQ(0, image2.metadata_set("key4", "value4")); + pairs.clear(); + ASSERT_EQ(0, image2.metadata_list("key", 0, &pairs)); + ASSERT_EQ(4U, pairs.size()); + pairs.clear(); + ASSERT_EQ(0, image1.metadata_list("key", 0, &pairs)); + ASSERT_EQ(3U, pairs.size()); + ASSERT_EQ(-ENOENT, image1.metadata_get("key4", &value)); +} + +TEST_F(TestLibRBD, UpdateFeatures) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint8_t old_format; + ASSERT_EQ(0, image.old_format(&old_format)); + if (old_format) { + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, true)); + return; + } + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + + // must provide a single feature + ASSERT_EQ(-EINVAL, image.update_features(0, true)); + + uint64_t disable_features; + disable_features = features & (RBD_FEATURE_EXCLUSIVE_LOCK | + RBD_FEATURE_OBJECT_MAP | + RBD_FEATURE_FAST_DIFF | + RBD_FEATURE_JOURNALING); + if (disable_features != 0) { + ASSERT_EQ(0, image.update_features(disable_features, false)); + } + + ASSERT_EQ(0, image.features(&features)); + ASSERT_EQ(0U, features & disable_features); + + // cannot enable object map nor journaling w/o exclusive lock + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_OBJECT_MAP, true)); + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_JOURNALING, true)); + ASSERT_EQ(0, image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, true)); + + ASSERT_EQ(0, image.features(&features)); + ASSERT_NE(0U, features & RBD_FEATURE_EXCLUSIVE_LOCK); + + // can enable fast diff w/o object map + ASSERT_EQ(0, image.update_features(RBD_FEATURE_FAST_DIFF, true)); + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_OBJECT_MAP, true)); + ASSERT_EQ(0, image.features(&features)); + ASSERT_NE(0U, features & RBD_FEATURE_OBJECT_MAP); + + uint64_t expected_flags = RBD_FLAG_OBJECT_MAP_INVALID | + RBD_FLAG_FAST_DIFF_INVALID; + uint64_t flags; + ASSERT_EQ(0, image.get_flags(&flags)); + ASSERT_EQ(expected_flags, flags); + + ASSERT_EQ(0, image.update_features(RBD_FEATURE_OBJECT_MAP, false)); + ASSERT_EQ(0, image.features(&features)); + ASSERT_EQ(0U, features & RBD_FEATURE_OBJECT_MAP); + + // can disable object map w/ fast diff + ASSERT_EQ(0, image.update_features(RBD_FEATURE_OBJECT_MAP, true)); + ASSERT_EQ(0, image.update_features(RBD_FEATURE_OBJECT_MAP, false)); + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_FAST_DIFF, false)); + ASSERT_EQ(0, image.features(&features)); + ASSERT_EQ(0U, features & RBD_FEATURE_FAST_DIFF); + + ASSERT_EQ(0, image.get_flags(&flags)); + ASSERT_EQ(0U, flags); + + // cannot disable exclusive lock w/ object map + ASSERT_EQ(0, image.update_features(RBD_FEATURE_OBJECT_MAP, true)); + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, false)); + ASSERT_EQ(0, image.update_features(RBD_FEATURE_OBJECT_MAP, false)); + + // cannot disable exclusive lock w/ journaling + ASSERT_EQ(0, image.update_features(RBD_FEATURE_JOURNALING, true)); + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, false)); + ASSERT_EQ(0, image.update_features(RBD_FEATURE_JOURNALING, false)); + + ASSERT_EQ(0, image.get_flags(&flags)); + ASSERT_EQ(0U, flags); + + ASSERT_EQ(0, image.update_features(RBD_FEATURE_EXCLUSIVE_LOCK, false)); + + ASSERT_EQ(0, image.features(&features)); + if ((features & RBD_FEATURE_DEEP_FLATTEN) != 0) { + ASSERT_EQ(0, image.update_features(RBD_FEATURE_DEEP_FLATTEN, false)); + } + ASSERT_EQ(-EINVAL, image.update_features(RBD_FEATURE_DEEP_FLATTEN, true)); +} + +TEST_F(TestLibRBD, FeaturesBitmaskString) +{ + librbd::RBD rbd; + uint64_t features = RBD_FEATURES_DEFAULT; + + std::string features_str; + std::string expected_str = "deep-flatten,exclusive-lock,fast-diff,layering,object-map"; + rbd.features_to_string(features, &features_str); + ASSERT_EQ(expected_str, features_str); + + features = RBD_FEATURE_LAYERING; + features_str = ""; + expected_str = "layering"; + rbd.features_to_string(features, &features_str); + ASSERT_EQ(expected_str, features_str); + + uint64_t features_bitmask; + features_str = "deep-flatten,exclusive-lock,fast-diff,layering,object-map"; + rbd.features_from_string(features_str, &features_bitmask); + ASSERT_EQ(features_bitmask, RBD_FEATURES_DEFAULT); + + features_str = "layering"; + features_bitmask = 0; + rbd.features_from_string(features_str, &features_bitmask); + ASSERT_EQ(features_bitmask, RBD_FEATURE_LAYERING); +} + +TEST_F(TestLibRBD, RebuildObjectMap) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 18; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + PrintProgress prog_ctx; + std::string object_map_oid; + bufferlist bl; + bl.append("foo"); + { + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + if ((features & RBD_FEATURE_OBJECT_MAP) == 0) { + ASSERT_EQ(-EINVAL, image.rebuild_object_map(prog_ctx)); + return; + } + + ASSERT_EQ((ssize_t)bl.length(), image.write(0, bl.length(), bl)); + + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ((ssize_t)bl.length(), image.write(1<<order, bl.length(), bl)); + + std::string image_id; + ASSERT_EQ(0, get_image_id(image, &image_id)); + object_map_oid = RBD_OBJECT_MAP_PREFIX + image_id; + } + + // corrupt the object map + ASSERT_EQ(0, ioctx.write(object_map_oid, bl, bl.length(), 0)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bool lock_owner; + bl.clear(); + ASSERT_EQ(0, image1.write(0, 0, bl)); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + uint64_t flags; + ASSERT_EQ(0, image1.get_flags(&flags)); + ASSERT_TRUE((flags & RBD_FLAG_OBJECT_MAP_INVALID) != 0); + + ASSERT_EQ(0, image1.rebuild_object_map(prog_ctx)); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + bufferlist read_bl; + ASSERT_EQ((ssize_t)bl.length(), image2.read(0, bl.length(), read_bl)); + ASSERT_TRUE(bl.contents_equal(read_bl)); + + read_bl.clear(); + ASSERT_EQ((ssize_t)bl.length(), image2.read(1<<order, bl.length(), read_bl)); + ASSERT_TRUE(bl.contents_equal(read_bl)); + + ASSERT_PASSED(validate_object_map, image1); + ASSERT_PASSED(validate_object_map, image2); +} + +TEST_F(TestLibRBD, RebuildNewObjectMap) +{ + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 18; + uint64_t features = RBD_FEATURE_EXCLUSIVE_LOCK; + ASSERT_EQ(0, create_image_full(ioctx, name.c_str(), size, &order, + false, features)); + + rbd_image_t image; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_update_features(image, RBD_FEATURE_OBJECT_MAP, true)); + ASSERT_EQ(0, rbd_rebuild_object_map(image, print_progress_percent, NULL)); + + ASSERT_PASSED(validate_object_map, image); + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, CheckObjectMap) +{ + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 18; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + PrintProgress prog_ctx; + bufferlist bl1; + bufferlist bl2; + bl1.append("foo"); + { + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + uint64_t features; + ASSERT_EQ(0, image.features(&features)); + + ASSERT_EQ((ssize_t)bl1.length(), image.write(0, bl1.length(), bl1)); + + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ((ssize_t)bl1.length(), image.write(1<<order, bl1.length(), bl1)); + } + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + std::string image_id; + ASSERT_EQ(0, get_image_id(image1, &image_id)); + + std::string object_map_oid = RBD_OBJECT_MAP_PREFIX + image_id; + + ASSERT_LT(0, ioctx.read(object_map_oid, bl2, 1024, 0)); + + bool lock_owner; + ASSERT_EQ((ssize_t)bl1.length(), image1.write(3 * (1 << 18), bl1.length(), bl1)); + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + //reopen image to reread now corrupt object map from disk + image1.close(); + + bl1.clear(); + ASSERT_LT(0, ioctx.read(object_map_oid, bl1, 1024, 0)); + ASSERT_FALSE(bl1.contents_equal(bl2)); + + ASSERT_EQ(0, ioctx.write_full(object_map_oid, bl2)); + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + uint64_t flags; + ASSERT_EQ(0, image1.get_flags(&flags)); + ASSERT_TRUE((flags & RBD_FLAG_OBJECT_MAP_INVALID) == 0); + + ASSERT_EQ(0, image1.check_object_map(prog_ctx)); + + ASSERT_EQ(0, image1.get_flags(&flags)); + ASSERT_TRUE((flags & RBD_FLAG_OBJECT_MAP_INVALID) != 0); +} + +TEST_F(TestLibRBD, BlockingAIO) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 18; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + std::string non_blocking_aio; + ASSERT_EQ(0, _rados.conf_get("rbd_non_blocking_aio", non_blocking_aio)); + ASSERT_EQ(0, _rados.conf_set("rbd_non_blocking_aio", "0")); + BOOST_SCOPE_EXIT( (non_blocking_aio) ) { + ASSERT_EQ(0, _rados.conf_set("rbd_non_blocking_aio", + non_blocking_aio.c_str())); + } BOOST_SCOPE_EXIT_END; + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bool skip_discard = this->is_skip_partial_discard_enabled(image); + + bufferlist bl; + ASSERT_EQ(0, image.write(0, bl.length(), bl)); + + bl.append(std::string(256, '1')); + librbd::RBD::AioCompletion *write_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_write(0, bl.length(), bl, write_comp)); + + librbd::RBD::AioCompletion *flush_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_flush(flush_comp)); + ASSERT_EQ(0, flush_comp->wait_for_complete()); + ASSERT_EQ(0, flush_comp->get_return_value()); + flush_comp->release(); + + ASSERT_EQ(1, write_comp->is_complete()); + ASSERT_EQ(0, write_comp->get_return_value()); + write_comp->release(); + + librbd::RBD::AioCompletion *discard_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_discard(128, 128, discard_comp)); + ASSERT_EQ(0, discard_comp->wait_for_complete()); + discard_comp->release(); + + librbd::RBD::AioCompletion *read_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + bufferlist read_bl; + image.aio_read(0, bl.length(), read_bl, read_comp); + ASSERT_EQ(0, read_comp->wait_for_complete()); + ASSERT_EQ((ssize_t)bl.length(), read_comp->get_return_value()); + read_comp->release(); + + bufferlist expected_bl; + expected_bl.append(std::string(128, '1')); + expected_bl.append(std::string(128, skip_discard ? '1' : '\0')); + ASSERT_TRUE(expected_bl.contents_equal(read_bl)); +} + +TEST_F(TestLibRBD, ExclusiveLockTransition) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + std::list<librbd::RBD::AioCompletion *> comps; + ceph::bufferlist bl; + bl.append(std::string(1 << order, '1')); + for (size_t object_no = 0; object_no < (size >> 12); ++object_no) { + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, + NULL); + comps.push_back(comp); + if (object_no % 2 == 0) { + ASSERT_EQ(0, image1.aio_write(object_no << order, bl.length(), bl, comp)); + } else { + ASSERT_EQ(0, image2.aio_write(object_no << order, bl.length(), bl, comp)); + } + } + + while (!comps.empty()) { + librbd::RBD::AioCompletion *comp = comps.front(); + comps.pop_front(); + ASSERT_EQ(0, comp->wait_for_complete()); + ASSERT_EQ(1, comp->is_complete()); + comp->release(); + } + + librbd::Image image3; + ASSERT_EQ(0, rbd.open(ioctx, image3, name.c_str(), NULL)); + for (size_t object_no = 0; object_no < (size >> 12); ++object_no) { + bufferlist read_bl; + ASSERT_EQ((ssize_t)bl.length(), image3.read(object_no << order, bl.length(), + read_bl)); + ASSERT_TRUE(bl.contents_equal(read_bl)); + } + + ASSERT_PASSED(validate_object_map, image1); + ASSERT_PASSED(validate_object_map, image2); + ASSERT_PASSED(validate_object_map, image3); +} + +TEST_F(TestLibRBD, ExclusiveLockReadTransition) +{ + REQUIRE_FEATURE(RBD_FEATURE_JOURNALING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + + bool lock_owner; + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_FALSE(lock_owner); + + // journaling should force read ops to acquire the lock + bufferlist read_bl; + ASSERT_EQ(0, image1.read(0, 0, read_bl)); + + ASSERT_EQ(0, image1.is_exclusive_lock_owner(&lock_owner)); + ASSERT_TRUE(lock_owner); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + std::list<librbd::RBD::AioCompletion *> comps; + std::list<bufferlist> read_bls; + for (size_t object_no = 0; object_no < (size >> 12); ++object_no) { + librbd::RBD::AioCompletion *comp = new librbd::RBD::AioCompletion(NULL, + NULL); + comps.push_back(comp); + read_bls.emplace_back(); + if (object_no % 2 == 0) { + ASSERT_EQ(0, image1.aio_read(object_no << order, 1 << order, read_bls.back(), comp)); + } else { + ASSERT_EQ(0, image2.aio_read(object_no << order, 1 << order, read_bls.back(), comp)); + } + } + + while (!comps.empty()) { + librbd::RBD::AioCompletion *comp = comps.front(); + comps.pop_front(); + ASSERT_EQ(0, comp->wait_for_complete()); + ASSERT_EQ(1, comp->is_complete()); + comp->release(); + } +} + +TEST_F(TestLibRBD, CacheMayCopyOnWrite) { + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + ASSERT_EQ(0, image.snap_create("one")); + ASSERT_EQ(0, image.snap_protect("one")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "one", ioctx, clone_name.c_str(), + RBD_FEATURE_LAYERING, &order)); + + librbd::Image clone; + ASSERT_EQ(0, rbd.open(ioctx, clone, clone_name.c_str(), NULL)); + ASSERT_EQ(0, clone.flush()); + + bufferlist expect_bl; + expect_bl.append(std::string(1024, '\0')); + + // test double read path + bufferlist read_bl; + uint64_t offset = 0; + ASSERT_EQ(1024, clone.read(offset + 2048, 1024, read_bl)); + ASSERT_TRUE(expect_bl.contents_equal(read_bl)); + + bufferlist write_bl; + write_bl.append(std::string(1024, '1')); + ASSERT_EQ(1024, clone.write(offset, write_bl.length(), write_bl)); + + read_bl.clear(); + ASSERT_EQ(1024, clone.read(offset + 2048, 1024, read_bl)); + ASSERT_TRUE(expect_bl.contents_equal(read_bl)); + + // test read retry path + offset = 1 << order; + ASSERT_EQ(1024, clone.write(offset, write_bl.length(), write_bl)); + + read_bl.clear(); + ASSERT_EQ(1024, clone.read(offset + 2048, 1024, read_bl)); + ASSERT_TRUE(expect_bl.contents_equal(read_bl)); +} + +TEST_F(TestLibRBD, FlushEmptyOpsOnExternalSnapshot) { + std::string cache_enabled; + ASSERT_EQ(0, _rados.conf_get("rbd_cache", cache_enabled)); + ASSERT_EQ(0, _rados.conf_set("rbd_cache", "false")); + BOOST_SCOPE_EXIT( (cache_enabled) ) { + ASSERT_EQ(0, _rados.conf_set("rbd_cache", cache_enabled.c_str())); + } BOOST_SCOPE_EXIT_END; + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 18; + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image1; + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + ASSERT_EQ(0, image1.snap_create("snap1")); + + librbd::RBD::AioCompletion *read_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + bufferlist read_bl; + image2.aio_read(0, 1024, read_bl, read_comp); + ASSERT_EQ(0, read_comp->wait_for_complete()); + read_comp->release(); +} + +TEST_F(TestLibRBD, TestImageOptions) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + //make create image options + uint64_t features = RBD_FEATURE_LAYERING | RBD_FEATURE_STRIPINGV2 ; + uint64_t order = 0; + uint64_t stripe_unit = IMAGE_STRIPE_UNIT; + uint64_t stripe_count = IMAGE_STRIPE_COUNT; + rbd_image_options_t opts; + rbd_image_options_create(&opts); + + bool is_set; + ASSERT_EQ(-EINVAL, rbd_image_options_is_set(opts, 12345, &is_set)); + ASSERT_EQ(0, rbd_image_options_is_set(opts, RBD_IMAGE_OPTION_FORMAT, + &is_set)); + ASSERT_FALSE(is_set); + + ASSERT_EQ(0, rbd_image_options_set_uint64(opts, RBD_IMAGE_OPTION_FORMAT, + 2)); + ASSERT_EQ(0, rbd_image_options_set_uint64(opts, RBD_IMAGE_OPTION_FEATURES, + features)); + ASSERT_EQ(0, rbd_image_options_set_uint64(opts, RBD_IMAGE_OPTION_ORDER, + order)); + ASSERT_EQ(0, rbd_image_options_set_uint64(opts, RBD_IMAGE_OPTION_STRIPE_UNIT, + stripe_unit)); + ASSERT_EQ(0, rbd_image_options_set_uint64(opts, RBD_IMAGE_OPTION_STRIPE_COUNT, + stripe_count)); + + ASSERT_EQ(0, rbd_image_options_is_set(opts, RBD_IMAGE_OPTION_FORMAT, + &is_set)); + ASSERT_TRUE(is_set); + + std::string parent_name = get_temp_image_name(); + + // make parent + ASSERT_EQ(0, rbd_create4(ioctx, parent_name.c_str(), 4<<20, opts)); + + // check order is returned in opts + ASSERT_EQ(0, rbd_image_options_get_uint64(opts, RBD_IMAGE_OPTION_ORDER, + &order)); + ASSERT_NE((uint64_t)0, order); + + // write some data to parent + rbd_image_t parent; + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, NULL)); + char *data = (char *)"testdata"; + ASSERT_EQ((ssize_t)strlen(data), rbd_write(parent, 0, strlen(data), data)); + ASSERT_EQ((ssize_t)strlen(data), rbd_write(parent, 12, strlen(data), data)); + + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, rbd_snap_create(parent, "parent_snap")); + ASSERT_EQ(0, rbd_close(parent)); + ASSERT_EQ(0, rbd_open(ioctx, parent_name.c_str(), &parent, "parent_snap")); + + // clone + std::string child_name = get_temp_image_name(); + ASSERT_EQ(0, rbd_snap_protect(parent, "parent_snap")); + ASSERT_EQ(0, rbd_clone3(ioctx, parent_name.c_str(), "parent_snap", ioctx, + child_name.c_str(), opts)); + + // copy + std::string copy1_name = get_temp_image_name(); + ASSERT_EQ(0, rbd_copy3(parent, ioctx, copy1_name.c_str(), opts)); + std::string copy2_name = get_temp_image_name(); + ASSERT_EQ(0, rbd_copy_with_progress3(parent, ioctx, copy2_name.c_str(), opts, + print_progress_percent, NULL)); + + ASSERT_EQ(0, rbd_close(parent)); + + rbd_image_options_destroy(opts); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestImageOptionsPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + //make create image options + uint64_t features = RBD_FEATURE_LAYERING | RBD_FEATURE_STRIPINGV2 ; + uint64_t order = 0; + uint64_t stripe_unit = IMAGE_STRIPE_UNIT; + uint64_t stripe_count = IMAGE_STRIPE_COUNT; + librbd::ImageOptions opts; + ASSERT_EQ(0, opts.set(RBD_IMAGE_OPTION_FORMAT, static_cast<uint64_t>(2))); + ASSERT_EQ(0, opts.set(RBD_IMAGE_OPTION_FEATURES, features)); + ASSERT_EQ(0, opts.set(RBD_IMAGE_OPTION_ORDER, order)); + ASSERT_EQ(0, opts.set(RBD_IMAGE_OPTION_STRIPE_UNIT, stripe_unit)); + ASSERT_EQ(0, opts.set(RBD_IMAGE_OPTION_STRIPE_COUNT, stripe_count)); + + librbd::RBD rbd; + std::string parent_name = get_temp_image_name(); + + // make parent + ASSERT_EQ(0, rbd.create4(ioctx, parent_name.c_str(), 4<<20, opts)); + + // check order is returned in opts + ASSERT_EQ(0, opts.get(RBD_IMAGE_OPTION_ORDER, &order)); + ASSERT_NE((uint64_t)0, order); + + // write some data to parent + librbd::Image parent; + ASSERT_EQ(0, rbd.open(ioctx, parent, parent_name.c_str(), NULL)); + + ssize_t len = 1024; + bufferlist bl; + bl.append(buffer::create(len)); + bl.zero(); + ASSERT_EQ(len, parent.write(0, len, bl)); + ASSERT_EQ(len, parent.write(len, len, bl)); + + // create a snapshot, reopen as the parent we're interested in + ASSERT_EQ(0, parent.snap_create("parent_snap")); + ASSERT_EQ(0, parent.close()); + ASSERT_EQ(0, rbd.open(ioctx, parent, parent_name.c_str(), "parent_snap")); + + // clone + std::string child_name = get_temp_image_name(); + ASSERT_EQ(0, parent.snap_protect("parent_snap")); + ASSERT_EQ(0, rbd.clone3(ioctx, parent_name.c_str(), "parent_snap", ioctx, + child_name.c_str(), opts)); + + // copy + std::string copy1_name = get_temp_image_name(); + ASSERT_EQ(0, parent.copy3(ioctx, copy1_name.c_str(), opts)); + std::string copy2_name = get_temp_image_name(); + PrintProgress pp; + ASSERT_EQ(0, parent.copy_with_progress3(ioctx, copy2_name.c_str(), opts, pp)); + + ASSERT_EQ(0, parent.close()); +} + +TEST_F(TestLibRBD, EventSocketPipe) +{ + EventSocket event_sock; + int pipe_fd[2]; // read and write fd + char buf[32]; + + ASSERT_EQ(0, pipe(pipe_fd)); + + ASSERT_FALSE(event_sock.is_valid()); + + ASSERT_EQ(-EINVAL, event_sock.init(pipe_fd[1], EVENT_SOCKET_TYPE_NONE)); + ASSERT_FALSE(event_sock.is_valid()); + + ASSERT_EQ(-EINVAL, event_sock.init(pipe_fd[1], 44)); + ASSERT_FALSE(event_sock.is_valid()); + +#ifndef HAVE_EVENTFD + ASSERT_EQ(-EINVAL, event_sock.init(pipe_fd[1], EVENT_SOCKET_TYPE_EVENTFD)); + ASSERT_FALSE(event_sock.is_valid()); +#endif + + ASSERT_EQ(0, event_sock.init(pipe_fd[1], EVENT_SOCKET_TYPE_PIPE)); + ASSERT_TRUE(event_sock.is_valid()); + ASSERT_EQ(0, event_sock.notify()); + ASSERT_EQ(1, read(pipe_fd[0], buf, 32)); + ASSERT_EQ('i', buf[0]); + + close(pipe_fd[0]); + close(pipe_fd[1]); +} + +TEST_F(TestLibRBD, EventSocketEventfd) +{ +#ifdef HAVE_EVENTFD + EventSocket event_sock; + int event_fd; + struct pollfd poll_fd; + char buf[32]; + + event_fd = eventfd(0, EFD_NONBLOCK); + ASSERT_NE(-1, event_fd); + + ASSERT_FALSE(event_sock.is_valid()); + + ASSERT_EQ(-EINVAL, event_sock.init(event_fd, EVENT_SOCKET_TYPE_NONE)); + ASSERT_FALSE(event_sock.is_valid()); + + ASSERT_EQ(-EINVAL, event_sock.init(event_fd, 44)); + ASSERT_FALSE(event_sock.is_valid()); + + ASSERT_EQ(0, event_sock.init(event_fd, EVENT_SOCKET_TYPE_EVENTFD)); + ASSERT_TRUE(event_sock.is_valid()); + ASSERT_EQ(0, event_sock.notify()); + + poll_fd.fd = event_fd; + poll_fd.events = POLLIN; + ASSERT_EQ(1, poll(&poll_fd, 1, -1)); + ASSERT_TRUE(poll_fd.revents & POLLIN); + + ASSERT_EQ(static_cast<ssize_t>(sizeof(uint64_t)), read(event_fd, buf, 32)); + ASSERT_EQ(1U, *reinterpret_cast<uint64_t *>(buf)); + + close(event_fd); +#endif +} + +TEST_F(TestLibRBD, ImagePollIO) +{ +#ifdef HAVE_EVENTFD + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int fd = eventfd(0, EFD_NONBLOCK); + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_set_image_notification(image, fd, EVENT_SOCKET_TYPE_EVENTFD)); + + char test_data[TEST_IO_SIZE + 1]; + char zero_data[TEST_IO_SIZE + 1]; + int i; + + for (i = 0; i < TEST_IO_SIZE; ++i) + test_data[i] = (char) (rand() % (126 - 33) + 33); + test_data[TEST_IO_SIZE] = '\0'; + memset(zero_data, 0, sizeof(zero_data)); + + for (i = 0; i < 5; ++i) + ASSERT_PASSED(write_test_data, image, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_write_test_data_and_poll, image, fd, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + for (i = 5; i < 10; ++i) + ASSERT_PASSED(aio_read_test_data_and_poll, image, fd, test_data, TEST_IO_SIZE * i, TEST_IO_SIZE, 0); + + ASSERT_EQ(0, rbd_close(image)); + rados_ioctx_destroy(ioctx); +#endif +} + +namespace librbd { + +static bool operator==(const image_spec_t &lhs, const image_spec_t &rhs) { + return (lhs.id == rhs.id && lhs.name == rhs.name); +} + +static bool operator==(const linked_image_spec_t &lhs, + const linked_image_spec_t &rhs) { + return (lhs.pool_id == rhs.pool_id && + lhs.pool_name == rhs.pool_name && + lhs.pool_namespace == rhs.pool_namespace && + lhs.image_id == rhs.image_id && + lhs.image_name == rhs.image_name && + lhs.trash == rhs.trash); +} + +static bool operator==(const mirror_peer_t &lhs, const mirror_peer_t &rhs) { + return (lhs.uuid == rhs.uuid && + lhs.cluster_name == rhs.cluster_name && + lhs.client_name == rhs.client_name); +} + +static std::ostream& operator<<(std::ostream &os, const mirror_peer_t &peer) { + os << "uuid=" << peer.uuid << ", " + << "cluster=" << peer.cluster_name << ", " + << "client=" << peer.client_name; + return os; +} + +} // namespace librbd + +TEST_F(TestLibRBD, Mirror) { + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + + std::vector<librbd::mirror_peer_t> expected_peers; + std::vector<librbd::mirror_peer_t> peers; + ASSERT_EQ(0, rbd.mirror_peer_list(ioctx, &peers)); + ASSERT_EQ(expected_peers, peers); + + std::string uuid1; + ASSERT_EQ(-EINVAL, rbd.mirror_peer_add(ioctx, &uuid1, "cluster1", "client")); + + rbd_mirror_mode_t mirror_mode; + ASSERT_EQ(0, rbd.mirror_mode_get(ioctx, &mirror_mode)); + ASSERT_EQ(RBD_MIRROR_MODE_DISABLED, mirror_mode); + + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_IMAGE)); + ASSERT_EQ(0, rbd.mirror_mode_get(ioctx, &mirror_mode)); + + // Add some images to the pool + int order = 0; + std::string parent_name = get_temp_image_name(); + std::string child_name = get_temp_image_name(); + ASSERT_EQ(0, create_image_pp(rbd, ioctx, parent_name.c_str(), 2 << 20, + &order)); + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + if ((features & RBD_FEATURE_LAYERING) != 0) { + librbd::Image parent; + ASSERT_EQ(0, rbd.open(ioctx, parent, parent_name.c_str(), NULL)); + ASSERT_EQ(0, parent.snap_create("parent_snap")); + ASSERT_EQ(0, parent.close()); + ASSERT_EQ(0, rbd.open(ioctx, parent, parent_name.c_str(), "parent_snap")); + ASSERT_EQ(0, parent.snap_protect("parent_snap")); + ASSERT_EQ(0, parent.close()); + ASSERT_EQ(0, rbd.clone(ioctx, parent_name.c_str(), "parent_snap", ioctx, + child_name.c_str(), features, &order)); + } + + ASSERT_EQ(RBD_MIRROR_MODE_IMAGE, mirror_mode); + + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_POOL)); + ASSERT_EQ(0, rbd.mirror_mode_get(ioctx, &mirror_mode)); + ASSERT_EQ(RBD_MIRROR_MODE_POOL, mirror_mode); + + std::string uuid2; + std::string uuid3; + ASSERT_EQ(0, rbd.mirror_peer_add(ioctx, &uuid1, "cluster1", "client")); + ASSERT_EQ(0, rbd.mirror_peer_add(ioctx, &uuid2, "cluster2", "admin")); + ASSERT_EQ(-EEXIST, rbd.mirror_peer_add(ioctx, &uuid3, "cluster1", "foo")); + ASSERT_EQ(0, rbd.mirror_peer_add(ioctx, &uuid3, "cluster3", "admin")); + + ASSERT_EQ(0, rbd.mirror_peer_list(ioctx, &peers)); + auto sort_peers = [](const librbd::mirror_peer_t &lhs, + const librbd::mirror_peer_t &rhs) { + return lhs.uuid < rhs.uuid; + }; + expected_peers = { + {uuid1, "cluster1", "client"}, + {uuid2, "cluster2", "admin"}, + {uuid3, "cluster3", "admin"}}; + std::sort(expected_peers.begin(), expected_peers.end(), sort_peers); + ASSERT_EQ(expected_peers, peers); + + ASSERT_EQ(0, rbd.mirror_peer_remove(ioctx, "uuid4")); + ASSERT_EQ(0, rbd.mirror_peer_remove(ioctx, uuid2)); + + ASSERT_EQ(-ENOENT, rbd.mirror_peer_set_client(ioctx, "uuid4", "new client")); + ASSERT_EQ(0, rbd.mirror_peer_set_client(ioctx, uuid1, "new client")); + + ASSERT_EQ(-ENOENT, rbd.mirror_peer_set_cluster(ioctx, "uuid4", + "new cluster")); + ASSERT_EQ(0, rbd.mirror_peer_set_cluster(ioctx, uuid3, "new cluster")); + + ASSERT_EQ(0, rbd.mirror_peer_list(ioctx, &peers)); + expected_peers = { + {uuid1, "cluster1", "new client"}, + {uuid3, "new cluster", "admin"}}; + std::sort(expected_peers.begin(), expected_peers.end(), sort_peers); + ASSERT_EQ(expected_peers, peers); + + ASSERT_EQ(-EBUSY, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_DISABLED)); + ASSERT_EQ(0, rbd.mirror_peer_remove(ioctx, uuid1)); + ASSERT_EQ(0, rbd.mirror_peer_remove(ioctx, uuid3)); + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_DISABLED)); +} + +TEST_F(TestLibRBD, MirrorPeerAttributes) { + REQUIRE(!is_librados_test_stub(_rados)); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_IMAGE)); + + std::string uuid; + ASSERT_EQ(0, rbd.mirror_peer_add(ioctx, &uuid, "remote_cluster", "client")); + + std::map<std::string, std::string> attributes; + ASSERT_EQ(-ENOENT, rbd.mirror_peer_get_attributes(ioctx, uuid, &attributes)); + ASSERT_EQ(-ENOENT, rbd.mirror_peer_set_attributes(ioctx, "missing uuid", + attributes)); + + std::map<std::string, std::string> expected_attributes{ + {"mon_host", "1.2.3.4"}, + {"key", "ABC"}}; + ASSERT_EQ(0, rbd.mirror_peer_set_attributes(ioctx, uuid, + expected_attributes)); + + ASSERT_EQ(0, rbd.mirror_peer_get_attributes(ioctx, uuid, + &attributes)); + ASSERT_EQ(expected_attributes, attributes); + + ASSERT_EQ(0, rbd.mirror_peer_remove(ioctx, uuid)); + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_DISABLED)); +} + +TEST_F(TestLibRBD, CreateWithMirrorEnabled) { + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_IMAGE)); + + librbd::ImageOptions image_options; + ASSERT_EQ(0, image_options.set( + RBD_IMAGE_OPTION_MIRROR_IMAGE_MODE, + static_cast<uint64_t>(RBD_MIRROR_IMAGE_MODE_SNAPSHOT))); + + std::string parent_name = get_temp_image_name(); + ASSERT_EQ(0, rbd.create4(ioctx, parent_name.c_str(), 2<<20, image_options)); + + librbd::Image parent_image; + ASSERT_EQ(0, rbd.open(ioctx, parent_image, parent_name.c_str(), NULL)); + + librbd::mirror_image_mode_t mirror_image_mode; + ASSERT_EQ(0, parent_image.mirror_image_get_mode(&mirror_image_mode)); + ASSERT_EQ(RBD_MIRROR_IMAGE_MODE_SNAPSHOT, mirror_image_mode); + + ASSERT_EQ(0, parent_image.snap_create("parent_snap")); + ASSERT_EQ(0, parent_image.snap_protect("parent_snap")); + + std::string child_name = get_temp_image_name(); + ASSERT_EQ(0, rbd.clone3(ioctx, parent_name.c_str(), "parent_snap", ioctx, + child_name.c_str(), image_options)); + + librbd::Image child_image; + ASSERT_EQ(0, rbd.open(ioctx, child_image, child_name.c_str(), NULL)); + + ASSERT_EQ(0, child_image.mirror_image_get_mode(&mirror_image_mode)); + ASSERT_EQ(RBD_MIRROR_IMAGE_MODE_SNAPSHOT, mirror_image_mode); + + ASSERT_EQ(0, child_image.mirror_image_disable(true)); + ASSERT_EQ(0, parent_image.mirror_image_disable(true)); + ASSERT_EQ(0, rbd.mirror_mode_set(ioctx, RBD_MIRROR_MODE_DISABLED)); +} + +TEST_F(TestLibRBD, FlushCacheWithCopyupOnExternalSnapshot) { + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image image; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 0; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + bufferlist bl; + bl.append(std::string(size, '1')); + ASSERT_EQ((int)size, image.write(0, size, bl)); + ASSERT_EQ(0, image.snap_create("one")); + ASSERT_EQ(0, image.snap_protect("one")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "one", ioctx, clone_name.c_str(), + RBD_FEATURE_LAYERING, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, clone_name.c_str(), NULL)); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, clone_name.c_str(), NULL)); + + // prepare CoW writeback that will be flushed on next op + bl.clear(); + bl.append(std::string(1, '1')); + ASSERT_EQ(0, image.flush()); + ASSERT_EQ(1, image.write(0, 1, bl)); + ASSERT_EQ(0, image2.snap_create("snap1")); + + librbd::RBD::AioCompletion *read_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + bufferlist read_bl; + image.aio_read(0, 1024, read_bl, read_comp); + ASSERT_EQ(0, read_comp->wait_for_complete()); + read_comp->release(); +} + +TEST_F(TestLibRBD, ExclusiveLock) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + static char buf[10]; + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_image_t image1; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image1, NULL)); + + int lock_owner; + ASSERT_EQ(0, rbd_lock_acquire(image1, RBD_LOCK_MODE_EXCLUSIVE)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image1, &lock_owner)); + ASSERT_TRUE(lock_owner); + + rbd_lock_mode_t lock_mode; + char *lock_owners[1]; + size_t max_lock_owners = 0; + ASSERT_EQ(-ERANGE, rbd_lock_get_owners(image1, &lock_mode, lock_owners, + &max_lock_owners)); + ASSERT_EQ(1U, max_lock_owners); + + ASSERT_EQ(0, rbd_lock_get_owners(image1, &lock_mode, lock_owners, + &max_lock_owners)); + ASSERT_EQ(RBD_LOCK_MODE_EXCLUSIVE, lock_mode); + ASSERT_STRNE("", lock_owners[0]); + ASSERT_EQ(1U, max_lock_owners); + + rbd_image_t image2; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image2, NULL)); + + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image2, &lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(-EOPNOTSUPP, rbd_lock_break(image1, RBD_LOCK_MODE_SHARED, "")); + ASSERT_EQ(-EBUSY, rbd_lock_break(image1, RBD_LOCK_MODE_EXCLUSIVE, + "not the owner")); + + ASSERT_EQ(0, rbd_lock_release(image1)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image1, &lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(-ENOENT, rbd_lock_break(image1, RBD_LOCK_MODE_EXCLUSIVE, + lock_owners[0])); + rbd_lock_get_owners_cleanup(lock_owners, max_lock_owners); + + ASSERT_EQ(-EROFS, rbd_write(image1, 0, sizeof(buf), buf)); + ASSERT_EQ((ssize_t)sizeof(buf), rbd_write(image2, 0, sizeof(buf), buf)); + + ASSERT_EQ(0, rbd_lock_acquire(image2, RBD_LOCK_MODE_EXCLUSIVE)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image2, &lock_owner)); + ASSERT_TRUE(lock_owner); + + ASSERT_EQ(0, rbd_lock_release(image2)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image2, &lock_owner)); + ASSERT_FALSE(lock_owner); + + ASSERT_EQ(0, rbd_lock_acquire(image1, RBD_LOCK_MODE_EXCLUSIVE)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image1, &lock_owner)); + ASSERT_TRUE(lock_owner); + + ASSERT_EQ((ssize_t)sizeof(buf), rbd_write(image1, 0, sizeof(buf), buf)); + ASSERT_EQ(-EROFS, rbd_write(image2, 0, sizeof(buf), buf)); + + ASSERT_EQ(0, rbd_lock_release(image1)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image1, &lock_owner)); + ASSERT_FALSE(lock_owner); + + int owner_id = -1; + std::mutex lock; + const auto pingpong = [&](int m_id, rbd_image_t &m_image) { + for (int i = 0; i < 10; i++) { + { + std::lock_guard<std::mutex> locker(lock); + if (owner_id == m_id) { + std::cout << m_id << ": releasing exclusive lock" << std::endl; + EXPECT_EQ(0, rbd_lock_release(m_image)); + int lock_owner; + EXPECT_EQ(0, rbd_is_exclusive_lock_owner(m_image, &lock_owner)); + EXPECT_FALSE(lock_owner); + owner_id = -1; + std::cout << m_id << ": exclusive lock released" << std::endl; + continue; + } + } + + std::cout << m_id << ": acquiring exclusive lock" << std::endl; + int r; + do { + r = rbd_lock_acquire(m_image, RBD_LOCK_MODE_EXCLUSIVE); + if (r == -EROFS) { + usleep(1000); + } + } while (r == -EROFS); + EXPECT_EQ(0, r); + + int lock_owner; + EXPECT_EQ(0, rbd_is_exclusive_lock_owner(m_image, &lock_owner)); + EXPECT_TRUE(lock_owner); + std::cout << m_id << ": exclusive lock acquired" << std::endl; + { + std::lock_guard<std::mutex> locker(lock); + owner_id = m_id; + } + usleep(rand() % 50000); + } + + std::lock_guard<std::mutex> locker(lock); + if (owner_id == m_id) { + EXPECT_EQ(0, rbd_lock_release(m_image)); + int lock_owner; + EXPECT_EQ(0, rbd_is_exclusive_lock_owner(m_image, &lock_owner)); + EXPECT_FALSE(lock_owner); + owner_id = -1; + } + }; + thread ping(bind(pingpong, 1, ref(image1))); + thread pong(bind(pingpong, 2, ref(image2))); + + ping.join(); + pong.join(); + + ASSERT_EQ(0, rbd_lock_acquire(image2, RBD_LOCK_MODE_EXCLUSIVE)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image2, &lock_owner)); + ASSERT_TRUE(lock_owner); + + ASSERT_EQ(0, rbd_close(image2)); + + ASSERT_EQ(0, rbd_lock_acquire(image1, RBD_LOCK_MODE_EXCLUSIVE)); + ASSERT_EQ(0, rbd_is_exclusive_lock_owner(image1, &lock_owner)); + ASSERT_TRUE(lock_owner); + + ASSERT_EQ(0, rbd_close(image1)); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, BreakLock) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + REQUIRE(!is_rbd_pwl_enabled((CephContext *)_rados.cct())); + + static char buf[10]; + + rados_t blocklist_cluster; + ASSERT_EQ("", connect_cluster(&blocklist_cluster)); + + rados_ioctx_t ioctx, blocklist_ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + ASSERT_EQ(0, rados_ioctx_create(blocklist_cluster, m_pool_name.c_str(), + &blocklist_ioctx)); + + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + int order = 0; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_image_t image, blocklist_image; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_open(blocklist_ioctx, name.c_str(), &blocklist_image, NULL)); + + ASSERT_EQ(0, rbd_metadata_set(image, "conf_rbd_blocklist_on_break_lock", "true")); + ASSERT_EQ(0, rbd_lock_acquire(blocklist_image, RBD_LOCK_MODE_EXCLUSIVE)); + + rbd_lock_mode_t lock_mode; + char *lock_owners[1]; + size_t max_lock_owners = 1; + ASSERT_EQ(0, rbd_lock_get_owners(image, &lock_mode, lock_owners, + &max_lock_owners)); + ASSERT_EQ(RBD_LOCK_MODE_EXCLUSIVE, lock_mode); + ASSERT_STRNE("", lock_owners[0]); + ASSERT_EQ(1U, max_lock_owners); + + ASSERT_EQ(0, rbd_lock_break(image, RBD_LOCK_MODE_EXCLUSIVE, lock_owners[0])); + ASSERT_EQ(0, rbd_lock_acquire(image, RBD_LOCK_MODE_EXCLUSIVE)); + EXPECT_EQ(0, rados_wait_for_latest_osdmap(blocklist_cluster)); + + ASSERT_EQ((ssize_t)sizeof(buf), rbd_write(image, 0, sizeof(buf), buf)); + ASSERT_EQ(-EBLOCKLISTED, rbd_write(blocklist_image, 0, sizeof(buf), buf)); + + ASSERT_EQ(0, rbd_close(image)); + ASSERT_EQ(0, rbd_close(blocklist_image)); + + rbd_lock_get_owners_cleanup(lock_owners, max_lock_owners); + + rados_ioctx_destroy(ioctx); + rados_ioctx_destroy(blocklist_ioctx); + rados_shutdown(blocklist_cluster); +} + +TEST_F(TestLibRBD, DiscardAfterWrite) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + uint64_t size = 1 << 20; + int order = 18; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + if (this->is_skip_partial_discard_enabled(image)) { + return; + } + + // enable writeback cache + ASSERT_EQ(0, image.flush()); + + bufferlist bl; + bl.append(std::string(256, '1')); + + librbd::RBD::AioCompletion *write_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_write(0, bl.length(), bl, write_comp)); + ASSERT_EQ(0, write_comp->wait_for_complete()); + write_comp->release(); + + librbd::RBD::AioCompletion *discard_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_discard(0, 256, discard_comp)); + ASSERT_EQ(0, discard_comp->wait_for_complete()); + discard_comp->release(); + + librbd::RBD::AioCompletion *read_comp = + new librbd::RBD::AioCompletion(NULL, NULL); + bufferlist read_bl; + image.aio_read(0, bl.length(), read_bl, read_comp); + ASSERT_EQ(0, read_comp->wait_for_complete()); + ASSERT_EQ(bl.length(), read_comp->get_return_value()); + ASSERT_TRUE(read_bl.is_zero()); + read_comp->release(); +} + +TEST_F(TestLibRBD, DefaultFeatures) { + std::string orig_default_features; + ASSERT_EQ(0, _rados.conf_get("rbd_default_features", orig_default_features)); + BOOST_SCOPE_EXIT_ALL(orig_default_features) { + ASSERT_EQ(0, _rados.conf_set("rbd_default_features", + orig_default_features.c_str())); + }; + + std::list<std::pair<std::string, std::string> > feature_names_to_bitmask = { + {"", orig_default_features}, + {"layering", "1"}, + {"layering, exclusive-lock", "5"}, + {"exclusive-lock,journaling", "68"}, + {"125", "125"} + }; + + for (auto &pair : feature_names_to_bitmask) { + ASSERT_EQ(0, _rados.conf_set("rbd_default_features", pair.first.c_str())); + std::string features; + ASSERT_EQ(0, _rados.conf_get("rbd_default_features", features)); + ASSERT_EQ(pair.second, features); + } +} + +TEST_F(TestLibRBD, TestTrashMoveAndPurge) { + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + + std::string image_id; + ASSERT_EQ(0, image.get_id(&image_id)); + image.close(); + + ASSERT_EQ(0, rbd.trash_move(ioctx, name.c_str(), 0)); + + std::vector<std::string> images; + ASSERT_EQ(0, rbd.list(ioctx, images)); + for (const auto& image : images) { + ASSERT_TRUE(image != name); + } + + librbd::trash_image_info_t info; + ASSERT_EQ(-ENOENT, rbd.trash_get(ioctx, "dummy image id", &info)); + ASSERT_EQ(0, rbd.trash_get(ioctx, image_id.c_str(), &info)); + ASSERT_EQ(image_id, info.id); + + std::vector<librbd::trash_image_info_t> entries; + ASSERT_EQ(0, rbd.trash_list(ioctx, entries)); + ASSERT_FALSE(entries.empty()); + ASSERT_EQ(entries.begin()->id, image_id); + + entries.clear(); + PrintProgress pp; + ASSERT_EQ(0, rbd.trash_remove_with_progress(ioctx, image_id.c_str(), + false, pp)); + ASSERT_EQ(0, rbd.trash_list(ioctx, entries)); + ASSERT_TRUE(entries.empty()); +} + +TEST_F(TestLibRBD, TestTrashMoveAndPurgeNonExpiredDelay) { + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + + std::string image_id; + ASSERT_EQ(0, image.get_id(&image_id)); + image.close(); + + ASSERT_EQ(0, rbd.trash_move(ioctx, name.c_str(), 100)); + + PrintProgress pp; + ASSERT_EQ(-EPERM, rbd.trash_remove_with_progress(ioctx, image_id.c_str(), + false, pp)); + + PrintProgress pp2; + ASSERT_EQ(0, rbd.trash_remove_with_progress(ioctx, image_id.c_str(), + true, pp2)); +} + +TEST_F(TestLibRBD, TestTrashPurge) { + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name1 = get_temp_image_name(); + std::string name2 = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name1.c_str(), size, &order)); + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name2.c_str(), size, &order)); + + librbd::Image image1; + ASSERT_EQ(0, rbd.open(ioctx, image1, name1.c_str(), nullptr)); + + std::string image_id1; + ASSERT_EQ(0, image1.get_id(&image_id1)); + image1.close(); + + ASSERT_EQ(0, rbd.trash_move(ioctx, name1.c_str(), 0)); + + librbd::Image image2; + ASSERT_EQ(0, rbd.open(ioctx, image2, name2.c_str(), nullptr)); + ceph::bufferlist bl; + bl.append(std::string(1024, '0')); + ASSERT_EQ(1024, image2.write(0, 1024, bl)); + + std::string image_id2; + ASSERT_EQ(0, image2.get_id(&image_id2)); + image2.close(); + + ASSERT_EQ(0, rbd.trash_move(ioctx, name2.c_str(), 100)); + ASSERT_EQ(0, rbd.trash_purge(ioctx, 0, -1)); + + std::vector<librbd::trash_image_info_t> entries; + ASSERT_EQ(0, rbd.trash_list(ioctx, entries)); + ASSERT_EQ(1U, entries.size()); + ASSERT_EQ(image_id2, entries[0].id); + ASSERT_EQ(name2, entries[0].name); + entries.clear(); + + struct timespec now; + clock_gettime(CLOCK_REALTIME, &now); + float threshold = 0.0; + if (!is_librados_test_stub(_rados)) { + // real cluster usage reports have a long latency to update + threshold = -1.0; + } + + ASSERT_EQ(0, rbd.trash_purge(ioctx, now.tv_sec+1000, threshold)); + ASSERT_EQ(0, rbd.trash_list(ioctx, entries)); + ASSERT_EQ(0U, entries.size()); +} + +TEST_F(TestLibRBD, TestTrashMoveAndRestore) { + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + + std::string image_id; + ASSERT_EQ(0, image.get_id(&image_id)); + image.close(); + + ASSERT_EQ(0, rbd.trash_move(ioctx, name.c_str(), 10)); + + std::vector<std::string> images; + ASSERT_EQ(0, rbd.list(ioctx, images)); + for (const auto& image : images) { + ASSERT_TRUE(image != name); + } + + std::vector<librbd::trash_image_info_t> entries; + ASSERT_EQ(0, rbd.trash_list(ioctx, entries)); + ASSERT_FALSE(entries.empty()); + ASSERT_EQ(entries.begin()->id, image_id); + + images.clear(); + ASSERT_EQ(0, rbd.trash_restore(ioctx, image_id.c_str(), "")); + ASSERT_EQ(0, rbd.list(ioctx, images)); + ASSERT_FALSE(images.empty()); + bool found = false; + for (const auto& image : images) { + if (image == name) { + found = true; + break; + } + } + ASSERT_TRUE(found); +} + +TEST_F(TestLibRBD, TestListWatchers) { + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + std::list<librbd::image_watcher_t> watchers; + + // No watchers + ASSERT_EQ(0, rbd.open_read_only(ioctx, image, name.c_str(), nullptr)); + ASSERT_EQ(0, image.list_watchers(watchers)); + ASSERT_EQ(0U, watchers.size()); + ASSERT_EQ(0, image.close()); + + // One watcher + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + ASSERT_EQ(0, image.list_watchers(watchers)); + ASSERT_EQ(1U, watchers.size()); + ASSERT_EQ(0, image.close()); +} + +TEST_F(TestLibRBD, TestSetSnapById) { + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + std::string name = get_temp_image_name(); + + uint64_t size = 1 << 18; + int order = 12; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + ASSERT_EQ(0, image.snap_create("snap")); + + vector<librbd::snap_info_t> snaps; + ASSERT_EQ(0, image.snap_list(snaps)); + ASSERT_EQ(1U, snaps.size()); + + ASSERT_EQ(0, image.snap_set_by_id(snaps[0].id)); + ASSERT_EQ(0, image.snap_set_by_id(CEPH_NOSNAP)); +} + +TEST_F(TestLibRBD, Namespaces) { + rados_ioctx_t ioctx; + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx)); + rados_remove(ioctx, RBD_NAMESPACE); + + ASSERT_EQ(0, rbd_namespace_create(ioctx, "name1")); + ASSERT_EQ(0, rbd_namespace_create(ioctx, "name2")); + ASSERT_EQ(0, rbd_namespace_create(ioctx, "name3")); + ASSERT_EQ(0, rbd_namespace_remove(ioctx, "name2")); + + char names[1024]; + size_t max_size = sizeof(names); + int len = rbd_namespace_list(ioctx, names, &max_size); + + std::vector<std::string> cpp_names; + for (char* cur_name = names; cur_name < names + len; ) { + cpp_names.push_back(cur_name); + cur_name += strlen(cur_name) + 1; + } + ASSERT_EQ(2U, cpp_names.size()); + ASSERT_EQ("name1", cpp_names[0]); + ASSERT_EQ("name3", cpp_names[1]); + bool exists; + ASSERT_EQ(0, rbd_namespace_exists(ioctx, "name2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, rbd_namespace_exists(ioctx, "name3", &exists)); + ASSERT_TRUE(exists); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, NamespacesPP) { + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + ioctx.remove(RBD_NAMESPACE); + + librbd::RBD rbd; + ASSERT_EQ(-EINVAL, rbd.namespace_create(ioctx, "")); + ASSERT_EQ(-EINVAL, rbd.namespace_remove(ioctx, "")); + + ASSERT_EQ(0, rbd.namespace_create(ioctx, "name1")); + ASSERT_EQ(-EEXIST, rbd.namespace_create(ioctx, "name1")); + ASSERT_EQ(0, rbd.namespace_create(ioctx, "name2")); + ASSERT_EQ(0, rbd.namespace_create(ioctx, "name3")); + ASSERT_EQ(0, rbd.namespace_remove(ioctx, "name2")); + ASSERT_EQ(-ENOENT, rbd.namespace_remove(ioctx, "name2")); + + std::vector<std::string> names; + ASSERT_EQ(0, rbd.namespace_list(ioctx, &names)); + ASSERT_EQ(2U, names.size()); + ASSERT_EQ("name1", names[0]); + ASSERT_EQ("name3", names[1]); + bool exists; + ASSERT_EQ(0, rbd.namespace_exists(ioctx, "name2", &exists)); + ASSERT_FALSE(exists); + ASSERT_EQ(0, rbd.namespace_exists(ioctx, "name3", &exists)); + ASSERT_TRUE(exists); + + librados::IoCtx ns_io_ctx; + ns_io_ctx.dup(ioctx); + + std::string name = get_temp_image_name(); + int order = 0; + uint64_t features = 0; + if (!get_features(&features)) { + // old format doesn't support namespaces + ns_io_ctx.set_namespace("name1"); + ASSERT_EQ(-EINVAL, create_image_pp(rbd, ns_io_ctx, name.c_str(), 0, + &order)); + return; + } + + ns_io_ctx.set_namespace("missing"); + ASSERT_EQ(-ENOENT, create_image_pp(rbd, ns_io_ctx, name.c_str(), 0, &order)); + + ns_io_ctx.set_namespace("name1"); + ASSERT_EQ(0, create_image_pp(rbd, ns_io_ctx, name.c_str(), 0, &order)); + ASSERT_EQ(-EBUSY, rbd.namespace_remove(ns_io_ctx, "name1")); + + std::string image_id; + { + librbd::Image image; + ASSERT_EQ(-ENOENT, rbd.open(ioctx, image, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ns_io_ctx, image, name.c_str(), NULL)); + ASSERT_EQ(0, get_image_id(image, &image_id)); + } + + ASSERT_EQ(-ENOENT, rbd.trash_move(ioctx, name.c_str(), 0)); + ASSERT_EQ(0, rbd.trash_move(ns_io_ctx, name.c_str(), 0)); + ASSERT_EQ(-EBUSY, rbd.namespace_remove(ns_io_ctx, "name1")); + + PrintProgress pp; + ASSERT_EQ(-ENOENT, rbd.trash_remove_with_progress(ioctx, image_id.c_str(), + false, pp)); + ASSERT_EQ(0, rbd.trash_remove_with_progress(ns_io_ctx, image_id.c_str(), + false, pp)); + ASSERT_EQ(0, rbd.namespace_remove(ns_io_ctx, "name1")); + + names.clear(); + ASSERT_EQ(0, rbd.namespace_list(ioctx, &names)); + ASSERT_EQ(1U, names.size()); + ASSERT_EQ("name3", names[0]); +} + +TEST_F(TestLibRBD, Migration) { + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + BOOST_SCOPE_EXIT(&ioctx) { + rados_ioctx_destroy(ioctx); + } BOOST_SCOPE_EXIT_END; + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_image_options_t image_options; + rbd_image_options_create(&image_options); + BOOST_SCOPE_EXIT(&image_options) { + rbd_image_options_destroy(image_options); + } BOOST_SCOPE_EXIT_END; + + ASSERT_EQ(0, rbd_migration_prepare(ioctx, name.c_str(), ioctx, name.c_str(), + image_options)); + + rbd_image_migration_status_t status; + ASSERT_EQ(0, rbd_migration_status(ioctx, name.c_str(), &status, + sizeof(status))); + ASSERT_EQ(status.source_pool_id, rados_ioctx_get_id(ioctx)); + ASSERT_EQ(status.source_image_name, name); + if (old_format) { + ASSERT_EQ(status.source_image_id, string()); + } else { + ASSERT_NE(status.source_image_id, string()); + ASSERT_EQ(-EROFS, rbd_trash_remove(ioctx, status.source_image_id, false)); + ASSERT_EQ(-EINVAL, rbd_trash_restore(ioctx, status.source_image_id, name.c_str())); + } + ASSERT_EQ(status.dest_pool_id, rados_ioctx_get_id(ioctx)); + ASSERT_EQ(status.dest_image_name, name); + ASSERT_NE(status.dest_image_id, string()); + ASSERT_EQ(status.state, RBD_IMAGE_MIGRATION_STATE_PREPARED); + rbd_migration_status_cleanup(&status); + + rbd_image_t image; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + char source_spec[2048]; + size_t source_spec_length = sizeof(source_spec); + ASSERT_EQ(0, rbd_get_migration_source_spec(image, source_spec, + &source_spec_length)); + json_spirit::mValue json_source_spec; + json_spirit::read(source_spec, json_source_spec); + EXPECT_EQ(0, rbd_close(image)); + + ASSERT_EQ(-EBUSY, rbd_remove(ioctx, name.c_str())); + ASSERT_EQ(-EBUSY, rbd_trash_move(ioctx, name.c_str(), 0)); + + ASSERT_EQ(0, rbd_migration_execute(ioctx, name.c_str())); + + ASSERT_EQ(0, rbd_migration_status(ioctx, name.c_str(), &status, + sizeof(status))); + ASSERT_EQ(status.state, RBD_IMAGE_MIGRATION_STATE_EXECUTED); + rbd_migration_status_cleanup(&status); + + ASSERT_EQ(0, rbd_migration_commit(ioctx, name.c_str())); + + std::string new_name = get_temp_image_name(); + + ASSERT_EQ(0, rbd_migration_prepare(ioctx, name.c_str(), ioctx, + new_name.c_str(), image_options)); + + ASSERT_EQ(-EBUSY, rbd_remove(ioctx, new_name.c_str())); + ASSERT_EQ(-EBUSY, rbd_trash_move(ioctx, new_name.c_str(), 0)); + + ASSERT_EQ(0, rbd_migration_abort(ioctx, name.c_str())); + + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + EXPECT_EQ(0, rbd_close(image)); +} + +TEST_F(TestLibRBD, MigrationPP) { + bool old_format; + uint64_t features; + ASSERT_EQ(0, get_features(&old_format, &features)); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + librbd::RBD rbd; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::ImageOptions image_options; + + ASSERT_EQ(0, rbd.migration_prepare(ioctx, name.c_str(), ioctx, name.c_str(), + image_options)); + + librbd::image_migration_status_t status; + ASSERT_EQ(0, rbd.migration_status(ioctx, name.c_str(), &status, + sizeof(status))); + ASSERT_EQ(status.source_pool_id, ioctx.get_id()); + ASSERT_EQ(status.source_image_name, name); + if (old_format) { + ASSERT_EQ(status.source_image_id, ""); + } else { + ASSERT_NE(status.source_image_id, ""); + ASSERT_EQ(-EROFS, rbd.trash_remove(ioctx, status.source_image_id.c_str(), false)); + ASSERT_EQ(-EINVAL, rbd.trash_restore(ioctx, status.source_image_id.c_str(), name.c_str())); + } + ASSERT_EQ(status.dest_pool_id, ioctx.get_id()); + ASSERT_EQ(status.dest_image_name, name); + ASSERT_NE(status.dest_image_id, ""); + ASSERT_EQ(status.state, RBD_IMAGE_MIGRATION_STATE_PREPARED); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + std::string source_spec; + ASSERT_EQ(0, image.get_migration_source_spec(&source_spec)); + json_spirit::mValue json_source_spec; + json_spirit::read(source_spec, json_source_spec); + json_spirit::mObject json_source_spec_obj = json_source_spec.get_obj(); + ASSERT_EQ("native", json_source_spec_obj["type"].get_str()); + ASSERT_EQ(ioctx.get_id(), json_source_spec_obj["pool_id"].get_int64()); + ASSERT_EQ("", json_source_spec_obj["pool_namespace"].get_str()); + ASSERT_EQ(1, json_source_spec_obj.count("image_name")); + if (!old_format) { + ASSERT_EQ(1, json_source_spec_obj.count("image_id")); + } + ASSERT_EQ(0, image.close()); + + ASSERT_EQ(-EBUSY, rbd.remove(ioctx, name.c_str())); + ASSERT_EQ(-EBUSY, rbd.trash_move(ioctx, name.c_str(), 0)); + + ASSERT_EQ(0, rbd.migration_execute(ioctx, name.c_str())); + + ASSERT_EQ(0, rbd.migration_status(ioctx, name.c_str(), &status, + sizeof(status))); + ASSERT_EQ(status.state, RBD_IMAGE_MIGRATION_STATE_EXECUTED); + + ASSERT_EQ(0, rbd.migration_commit(ioctx, name.c_str())); + + std::string new_name = get_temp_image_name(); + + ASSERT_EQ(0, rbd.migration_prepare(ioctx, name.c_str(), ioctx, + new_name.c_str(), image_options)); + + ASSERT_EQ(-EBUSY, rbd.remove(ioctx, new_name.c_str())); + ASSERT_EQ(-EBUSY, rbd.trash_move(ioctx, new_name.c_str(), 0)); + + ASSERT_EQ(0, rbd.migration_abort(ioctx, name.c_str())); + + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); +} + +TEST_F(TestLibRBD, TestGetAccessTimestamp) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + struct timespec timestamp; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_get_access_timestamp(image, ×tamp)); + ASSERT_LT(0, timestamp.tv_sec); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, TestGetModifyTimestamp) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + struct timespec timestamp; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + ASSERT_EQ(0, rbd_get_modify_timestamp(image, ×tamp)); + ASSERT_LT(0, timestamp.tv_sec); + + ASSERT_PASSED(validate_object_map, image); + ASSERT_EQ(0, rbd_close(image)); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, ZeroOverlapFlatten) { + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image parent_image; + std::string name = get_temp_image_name(); + + uint64_t size = 1; + int order = 0; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, parent_image, name.c_str(), NULL)); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + ASSERT_EQ(0, parent_image.snap_create("snap")); + ASSERT_EQ(0, parent_image.snap_protect("snap")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "snap", ioctx, clone_name.c_str(), + features, &order)); + + librbd::Image clone_image; + ASSERT_EQ(0, rbd.open(ioctx, clone_image, clone_name.c_str(), NULL)); + ASSERT_EQ(0, clone_image.resize(0)); + ASSERT_EQ(0, clone_image.flatten()); +} + +TEST_F(TestLibRBD, PoolMetadata) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + char keys[1024]; + char vals[1024]; + size_t keys_len = sizeof(keys); + size_t vals_len = sizeof(vals); + + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + + ASSERT_EQ(0, rbd_pool_metadata_list(ioctx, "", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(0U, keys_len); + ASSERT_EQ(0U, vals_len); + + char value[1024]; + size_t value_len = sizeof(value); + memset_rand(value, value_len); + + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "key1", "value1")); + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "key2", "value2")); + ASSERT_EQ(0, rbd_pool_metadata_get(ioctx, "key1", value, &value_len)); + ASSERT_STREQ(value, "value1"); + value_len = 1; + ASSERT_EQ(-ERANGE, rbd_pool_metadata_get(ioctx, "key1", value, &value_len)); + ASSERT_EQ(value_len, strlen("value1") + 1); + + ASSERT_EQ(-ERANGE, rbd_pool_metadata_list(ioctx, "", 0, keys, &keys_len, vals, + &vals_len)); + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_pool_metadata_list(ioctx, "", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1); + ASSERT_STREQ(keys, "key1"); + ASSERT_STREQ(keys + strlen(keys) + 1, "key2"); + ASSERT_STREQ(vals, "value1"); + ASSERT_STREQ(vals + strlen(vals) + 1, "value2"); + + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "key1")); + ASSERT_EQ(-ENOENT, rbd_pool_metadata_remove(ioctx, "key3")); + value_len = sizeof(value); + ASSERT_EQ(-ENOENT, rbd_pool_metadata_get(ioctx, "key3", value, &value_len)); + ASSERT_EQ(0, rbd_pool_metadata_list(ioctx, "", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value2") + 1); + ASSERT_STREQ(keys, "key2"); + ASSERT_STREQ(vals, "value2"); + + // test config setting + ASSERT_EQ(-EINVAL, rbd_pool_metadata_set(ioctx, "conf_UNKNOWN", "false")); + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "conf_rbd_cache", "false")); + ASSERT_EQ(-EINVAL, rbd_pool_metadata_set(ioctx, "conf_rbd_cache", "INVALID")); + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "conf_rbd_cache")); + + // test short buffer cases + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "key1", "value1")); + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "key3", "value3")); + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "key4", "value4")); + + keys_len = strlen("key1") + 1; + vals_len = strlen("value1") + 1; + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_pool_metadata_list(ioctx, "", 1, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1); + ASSERT_STREQ(keys, "key1"); + ASSERT_STREQ(vals, "value1"); + + ASSERT_EQ(-ERANGE, rbd_pool_metadata_list(ioctx, "", 2, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1); + + ASSERT_EQ(-ERANGE, rbd_pool_metadata_list(ioctx, "", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key1") + 1 + strlen("key2") + 1 + strlen("key3") + + 1 + strlen("key4") + 1); + ASSERT_EQ(vals_len, strlen("value1") + 1 + strlen("value2") + 1 + + strlen("value3") + 1 + strlen("value4") + 1); + + // test `start` param + keys_len = sizeof(keys); + vals_len = sizeof(vals); + memset_rand(keys, keys_len); + memset_rand(vals, vals_len); + ASSERT_EQ(0, rbd_pool_metadata_list(ioctx, "key2", 0, keys, &keys_len, vals, + &vals_len)); + ASSERT_EQ(keys_len, strlen("key3") + 1 + strlen("key4") + 1); + ASSERT_EQ(vals_len, strlen("value3") + 1 + strlen("value4") + 1); + ASSERT_STREQ(keys, "key3"); + ASSERT_STREQ(vals, "value3"); + + //cleanup + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "key1")); + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "key2")); + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "key3")); + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "key4")); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, PoolMetadataPP) +{ + REQUIRE_FORMAT_V2(); + + librbd::RBD rbd; + string value; + map<string, bufferlist> pairs; + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + ASSERT_EQ(0, rbd.pool_metadata_list(ioctx, "", 0, &pairs)); + ASSERT_TRUE(pairs.empty()); + + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "key1", "value1")); + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "key2", "value2")); + ASSERT_EQ(0, rbd.pool_metadata_get(ioctx, "key1", &value)); + ASSERT_EQ(value, "value1"); + ASSERT_EQ(0, rbd.pool_metadata_list(ioctx, "", 0, &pairs)); + ASSERT_EQ(2U, pairs.size()); + ASSERT_EQ(0, strncmp("value1", pairs["key1"].c_str(), 6)); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "key1")); + ASSERT_EQ(-ENOENT, rbd.pool_metadata_remove(ioctx, "key3")); + ASSERT_EQ(-ENOENT, rbd.pool_metadata_get(ioctx, "key3", &value)); + pairs.clear(); + ASSERT_EQ(0, rbd.pool_metadata_list(ioctx, "", 0, &pairs)); + ASSERT_EQ(1U, pairs.size()); + ASSERT_EQ(0, strncmp("value2", pairs["key2"].c_str(), 6)); + + // test `start` param + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "key1", "value1")); + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "key3", "value3")); + + pairs.clear(); + ASSERT_EQ(0, rbd.pool_metadata_list(ioctx, "key2", 0, &pairs)); + ASSERT_EQ(1U, pairs.size()); + ASSERT_EQ(0, strncmp("value3", pairs["key3"].c_str(), 6)); + + // test config setting + ASSERT_EQ(-EINVAL, rbd.pool_metadata_set(ioctx, "conf_UNKNOWN", "false")); + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "conf_rbd_cache", "false")); + ASSERT_EQ(-EINVAL, rbd.pool_metadata_set(ioctx, "conf_rbd_cache", "INVALID")); + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "conf_rbd_cache")); + + // cleanup + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "key1")); + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "key2")); + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "key3")); +} + +TEST_F(TestLibRBD, Config) +{ + REQUIRE_FORMAT_V2(); + + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + ASSERT_EQ(0, rbd_pool_metadata_set(ioctx, "conf_rbd_cache", "false")); + + rbd_config_option_t options[1024]; + int max_options = 0; + ASSERT_EQ(-ERANGE, rbd_config_pool_list(ioctx, options, &max_options)); + ASSERT_EQ(0, rbd_config_pool_list(ioctx, options, &max_options)); + ASSERT_GT(max_options, 0); + ASSERT_LT(max_options, 1024); + for (int i = 0; i < max_options; i++) { + if (options[i].name == std::string("rbd_cache")) { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_POOL); + ASSERT_STREQ("false", options[i].value); + } else { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_CONFIG); + } + } + rbd_config_pool_list_cleanup(options, max_options); + + rbd_image_t image; + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image, NULL)); + + ASSERT_EQ(0, rbd_config_image_list(image, options, &max_options)); + for (int i = 0; i < max_options; i++) { + if (options[i].name == std::string("rbd_cache")) { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_POOL); + ASSERT_STREQ("false", options[i].value); + } else { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_CONFIG); + } + } + rbd_config_image_list_cleanup(options, max_options); + + ASSERT_EQ(0, rbd_metadata_set(image, "conf_rbd_cache", "true")); + + ASSERT_EQ(0, rbd_config_image_list(image, options, &max_options)); + for (int i = 0; i < max_options; i++) { + if (options[i].name == std::string("rbd_cache")) { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_IMAGE); + ASSERT_STREQ("true", options[i].value); + } else { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_CONFIG); + } + } + rbd_config_image_list_cleanup(options, max_options); + + ASSERT_EQ(0, rbd_metadata_remove(image, "conf_rbd_cache")); + + ASSERT_EQ(0, rbd_config_image_list(image, options, &max_options)); + for (int i = 0; i < max_options; i++) { + if (options[i].name == std::string("rbd_cache")) { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_POOL); + ASSERT_STREQ("false", options[i].value); + } else { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_CONFIG); + } + } + rbd_config_image_list_cleanup(options, max_options); + + ASSERT_EQ(0, rbd_close(image)); + + ASSERT_EQ(0, rbd_pool_metadata_remove(ioctx, "conf_rbd_cache")); + + ASSERT_EQ(-ERANGE, rbd_config_pool_list(ioctx, options, &max_options)); + ASSERT_EQ(0, rbd_config_pool_list(ioctx, options, &max_options)); + for (int i = 0; i < max_options; i++) { + ASSERT_EQ(options[i].source, RBD_CONFIG_SOURCE_CONFIG); + } + rbd_config_pool_list_cleanup(options, max_options); + + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, ConfigPP) +{ + REQUIRE_FORMAT_V2(); + + librbd::RBD rbd; + string value; + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + ASSERT_EQ(0, rbd.pool_metadata_set(ioctx, "conf_rbd_cache", "false")); + + std::vector<librbd::config_option_t> options; + ASSERT_EQ(0, rbd.config_list(ioctx, &options)); + for (auto &option : options) { + if (option.name == std::string("rbd_cache")) { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_POOL); + ASSERT_EQ("false", option.value); + } else { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_CONFIG); + } + } + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), nullptr)); + + options.clear(); + ASSERT_EQ(0, image.config_list(&options)); + for (auto &option : options) { + if (option.name == std::string("rbd_cache")) { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_POOL); + ASSERT_EQ("false", option.value); + } else { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_CONFIG); + } + } + + ASSERT_EQ(0, image.metadata_set("conf_rbd_cache", "true")); + + options.clear(); + ASSERT_EQ(0, image.config_list(&options)); + for (auto &option : options) { + if (option.name == std::string("rbd_cache")) { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_IMAGE); + ASSERT_EQ("true", option.value); + } else { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_CONFIG); + } + } + + ASSERT_EQ(0, image.metadata_remove("conf_rbd_cache")); + + options.clear(); + ASSERT_EQ(0, image.config_list(&options)); + for (auto &option : options) { + if (option.name == std::string("rbd_cache")) { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_POOL); + ASSERT_EQ("false", option.value); + } else { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_CONFIG); + } + } + + ASSERT_EQ(0, rbd.pool_metadata_remove(ioctx, "conf_rbd_cache")); + + options.clear(); + ASSERT_EQ(0, rbd.config_list(ioctx, &options)); + for (auto &option : options) { + ASSERT_EQ(option.source, RBD_CONFIG_SOURCE_CONFIG); + } +} + +TEST_F(TestLibRBD, PoolStatsPP) +{ + REQUIRE_FORMAT_V2(); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(create_pool(true).c_str(), ioctx)); + + librbd::RBD rbd; + std::string image_name; + uint64_t size = 2 << 20; + uint64_t expected_size = 0; + for (size_t idx = 0; idx < 4; ++idx) { + image_name = get_temp_image_name(); + + int order = 0; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, image_name.c_str(), size, &order)); + expected_size += size; + } + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, image_name.c_str(), NULL)); + ASSERT_EQ(0, image.snap_create("snap1")); + ASSERT_EQ(0, image.resize(0)); + ASSERT_EQ(0, image.close()); + uint64_t expect_head_size = (expected_size - size); + + uint64_t image_count; + uint64_t provisioned_bytes; + uint64_t max_provisioned_bytes; + uint64_t snap_count; + uint64_t trash_image_count; + uint64_t trash_provisioned_bytes; + uint64_t trash_max_provisioned_bytes; + uint64_t trash_snap_count; + + librbd::PoolStats pool_stats1; + pool_stats1.add(RBD_POOL_STAT_OPTION_IMAGES, &image_count); + pool_stats1.add(RBD_POOL_STAT_OPTION_IMAGE_PROVISIONED_BYTES, + &provisioned_bytes); + ASSERT_EQ(0, rbd.pool_stats_get(ioctx, &pool_stats1)); + + ASSERT_EQ(4U, image_count); + ASSERT_EQ(expect_head_size, provisioned_bytes); + + pool_stats1.add(RBD_POOL_STAT_OPTION_IMAGE_MAX_PROVISIONED_BYTES, + &max_provisioned_bytes); + ASSERT_EQ(0, rbd.pool_stats_get(ioctx, &pool_stats1)); + ASSERT_EQ(4U, image_count); + ASSERT_EQ(expect_head_size, provisioned_bytes); + ASSERT_EQ(expected_size, max_provisioned_bytes); + + librbd::PoolStats pool_stats2; + pool_stats2.add(RBD_POOL_STAT_OPTION_IMAGE_SNAPSHOTS, &snap_count); + pool_stats2.add(RBD_POOL_STAT_OPTION_TRASH_IMAGES, &trash_image_count); + pool_stats2.add(RBD_POOL_STAT_OPTION_TRASH_SNAPSHOTS, &trash_snap_count); + ASSERT_EQ(0, rbd.pool_stats_get(ioctx, &pool_stats2)); + ASSERT_EQ(1U, snap_count); + ASSERT_EQ(0U, trash_image_count); + ASSERT_EQ(0U, trash_snap_count); + + ASSERT_EQ(0, rbd.trash_move(ioctx, image_name.c_str(), 0)); + + librbd::PoolStats pool_stats3; + pool_stats3.add(RBD_POOL_STAT_OPTION_TRASH_IMAGES, &trash_image_count); + pool_stats3.add(RBD_POOL_STAT_OPTION_TRASH_PROVISIONED_BYTES, + &trash_provisioned_bytes); + pool_stats3.add(RBD_POOL_STAT_OPTION_TRASH_MAX_PROVISIONED_BYTES, + &trash_max_provisioned_bytes); + pool_stats3.add(RBD_POOL_STAT_OPTION_TRASH_SNAPSHOTS, &trash_snap_count); + ASSERT_EQ(0, rbd.pool_stats_get(ioctx, &pool_stats3)); + ASSERT_EQ(1U, trash_image_count); + ASSERT_EQ(0U, trash_provisioned_bytes); + ASSERT_EQ(size, trash_max_provisioned_bytes); + ASSERT_EQ(1U, trash_snap_count); +} + +TEST_F(TestLibRBD, ImageSpec) { + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(create_pool(true).c_str(), ioctx)); + + librbd::RBD rbd; + librbd::Image parent_image; + std::string name = get_temp_image_name(); + + uint64_t size = 1; + int order = 0; + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, parent_image, name.c_str(), NULL)); + + std::string parent_id; + ASSERT_EQ(0, parent_image.get_id(&parent_id)); + + uint64_t features; + ASSERT_EQ(0, parent_image.features(&features)); + + ASSERT_EQ(0, parent_image.snap_create("snap")); + ASSERT_EQ(0, parent_image.snap_protect("snap")); + + std::string clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, name.c_str(), "snap", ioctx, clone_name.c_str(), + features, &order)); + + librbd::Image clone_image; + ASSERT_EQ(0, rbd.open(ioctx, clone_image, clone_name.c_str(), NULL)); + + std::string clone_id; + ASSERT_EQ(0, clone_image.get_id(&clone_id)); + + std::vector<librbd::image_spec_t> images; + ASSERT_EQ(0, rbd.list2(ioctx, &images)); + + std::vector<librbd::image_spec_t> expected_images{ + {.id = parent_id, .name = name}, + {.id = clone_id, .name = clone_name} + }; + std::sort(expected_images.begin(), expected_images.end(), + [](const librbd::image_spec_t& lhs, const librbd::image_spec_t &rhs) { + return lhs.name < rhs.name; + }); + ASSERT_EQ(expected_images, images); + + librbd::linked_image_spec_t parent_image_spec; + librbd::snap_spec_t parent_snap_spec; + ASSERT_EQ(0, clone_image.get_parent(&parent_image_spec, &parent_snap_spec)); + + librbd::linked_image_spec_t expected_parent_image_spec{ + .pool_id = ioctx.get_id(), + .pool_name = ioctx.get_pool_name(), + .pool_namespace = ioctx.get_namespace(), + .image_id = parent_id, + .image_name = name, + .trash = false + }; + ASSERT_EQ(expected_parent_image_spec, parent_image_spec); + ASSERT_EQ(RBD_SNAP_NAMESPACE_TYPE_USER, parent_snap_spec.namespace_type); + ASSERT_EQ("snap", parent_snap_spec.name); + + std::vector<librbd::linked_image_spec_t> children; + ASSERT_EQ(0, parent_image.list_children3(&children)); + + std::vector<librbd::linked_image_spec_t> expected_children{ + { + .pool_id = ioctx.get_id(), + .pool_name = ioctx.get_pool_name(), + .pool_namespace = ioctx.get_namespace(), + .image_id = clone_id, + .image_name = clone_name, + .trash = false + } + }; + ASSERT_EQ(expected_children, children); + + children.clear(); + ASSERT_EQ(0, parent_image.list_descendants(&children)); + ASSERT_EQ(expected_children, children); + + ASSERT_EQ(0, clone_image.snap_create("snap")); + ASSERT_EQ(0, clone_image.snap_protect("snap")); + + auto grand_clone_name = this->get_temp_image_name(); + ASSERT_EQ(0, rbd.clone(ioctx, clone_name.c_str(), "snap", ioctx, + grand_clone_name.c_str(), features, &order)); + librbd::Image grand_clone_image; + ASSERT_EQ(0, rbd.open(ioctx, grand_clone_image, grand_clone_name.c_str(), + nullptr)); + std::string grand_clone_id; + ASSERT_EQ(0, grand_clone_image.get_id(&grand_clone_id)); + + children.clear(); + ASSERT_EQ(0, parent_image.list_children3(&children)); + ASSERT_EQ(expected_children, children); + + children.clear(); + ASSERT_EQ(0, parent_image.list_descendants(&children)); + expected_children.push_back( + { + .pool_id = ioctx.get_id(), + .pool_name = ioctx.get_pool_name(), + .pool_namespace = ioctx.get_namespace(), + .image_id = grand_clone_id, + .image_name = grand_clone_name, + .trash = false + } + ); + ASSERT_EQ(expected_children, children); +} + +void super_simple_write_cb_pp(librbd::completion_t cb, void *arg) +{ +} + +TEST_F(TestLibRBD, DISABLED_TestSeqWriteAIOPP) +{ + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + + { + librbd::RBD rbd; + librbd::Image image; + int order = 21; + std::string name = get_temp_image_name(); + uint64_t size = 5 * (1 << order); + + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + char test_data[(TEST_IO_SIZE + 1) * 10]; + + for (int i = 0; i < 10; i++) { + for (uint64_t j = 0; j < TEST_IO_SIZE; j++) { + test_data[(TEST_IO_SIZE + 1) * i + j] = (char)(rand() % (126 - 33) + 33); + } + test_data[(TEST_IO_SIZE + 1) * i + TEST_IO_SIZE] = '\0'; + } + + struct timespec start_time; + clock_gettime(CLOCK_REALTIME, &start_time); + + std::list<librbd::RBD::AioCompletion *> comps; + for (uint64_t i = 0; i < size / TEST_IO_SIZE; ++i) { + char *p = test_data + (TEST_IO_SIZE + 1) * (i % 10); + ceph::bufferlist bl; + bl.append(p, strlen(p)); + auto comp = new librbd::RBD::AioCompletion( + NULL, (librbd::callback_t) super_simple_write_cb_pp); + image.aio_write(strlen(p) * i, strlen(p), bl, comp); + comps.push_back(comp); + if (i % 1000 == 0) { + cout << i << " reqs sent" << std::endl; + image.flush(); + for (auto comp : comps) { + comp->wait_for_complete(); + ASSERT_EQ(0, comp->get_return_value()); + comp->release(); + } + comps.clear(); + } + } + int i = 0; + for (auto comp : comps) { + comp->wait_for_complete(); + ASSERT_EQ(0, comp->get_return_value()); + comp->release(); + if (i % 1000 == 0) { + std::cout << i << " reqs completed" << std::endl; + } + i++; + } + comps.clear(); + + struct timespec end_time; + clock_gettime(CLOCK_REALTIME, &end_time); + int duration = end_time.tv_sec * 1000 + end_time.tv_nsec / 1000000 - + start_time.tv_sec * 1000 - start_time.tv_nsec / 1000000; + std::cout << "duration: " << duration << " msec" << std::endl; + + for (uint64_t i = 0; i < size / TEST_IO_SIZE; ++i) { + char *p = test_data + (TEST_IO_SIZE + 1) * (i % 10); + ASSERT_PASSED(read_test_data, image, p, strlen(p) * i, TEST_IO_SIZE, 0); + } + + ASSERT_PASSED(validate_object_map, image); + } + + ioctx.close(); +} + +TEST_F(TestLibRBD, SnapRemoveWithChildMissing) +{ + REQUIRE_FEATURE(RBD_FEATURE_LAYERING); + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "2")); + BOOST_SCOPE_EXIT_ALL(&) { + ASSERT_EQ(0, rados_conf_set(_cluster, "rbd_default_clone_format", "auto")); + }; + + librbd::RBD rbd; + rados_ioctx_t ioctx1, ioctx2; + string pool_name1 = create_pool(true); + rados_ioctx_create(_cluster, pool_name1.c_str(), &ioctx1); + ASSERT_EQ(0, rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx2)); + + bool old_format; + uint64_t features; + rbd_image_t parent, child1, child2, child3; + int order = 0; + char child_id1[4096]; + char child_id2[4096]; + char child_id3[4096]; + + ASSERT_EQ(0, get_features(&old_format, &features)); + ASSERT_FALSE(old_format); + std::string parent_name = get_temp_image_name(); + std::string child_name1 = get_temp_image_name(); + std::string child_name2 = get_temp_image_name(); + std::string child_name3 = get_temp_image_name(); + ASSERT_EQ(0, create_image_full(ioctx1, parent_name.c_str(), 4<<20, &order, + false, features)); + ASSERT_EQ(0, rbd_open(ioctx1, parent_name.c_str(), &parent, NULL)); + ASSERT_EQ(0, rbd_snap_create(parent, "snap1")); + ASSERT_EQ(0, rbd_snap_create(parent, "snap2")); + + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "snap1", + ioctx2, child_name1.c_str(), features, &order)); + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "snap2", + ioctx1, child_name2.c_str(), features, &order)); + ASSERT_EQ(0, clone_image(ioctx1, parent, parent_name.c_str(), "snap2", + ioctx2, child_name3.c_str(), features, &order)); + + ASSERT_EQ(0, rbd_open(ioctx2, child_name1.c_str(), &child1, NULL)); + ASSERT_EQ(0, rbd_open(ioctx1, child_name2.c_str(), &child2, NULL)); + ASSERT_EQ(0, rbd_open(ioctx2, child_name3.c_str(), &child3, NULL)); + ASSERT_EQ(0, rbd_get_id(child1, child_id1, sizeof(child_id1))); + ASSERT_EQ(0, rbd_get_id(child2, child_id2, sizeof(child_id2))); + ASSERT_EQ(0, rbd_get_id(child3, child_id3, sizeof(child_id3))); + test_list_children2(parent, 3, + child_id1, m_pool_name.c_str(), child_name1.c_str(), false, + child_id2, pool_name1.c_str(), child_name2.c_str(), false, + child_id3, m_pool_name.c_str(), child_name3.c_str(), false); + + size_t max_size = 10; + rbd_linked_image_spec_t children[max_size]; + ASSERT_EQ(0, rbd_list_children3(parent, children, &max_size)); + ASSERT_EQ(3, static_cast<int>(max_size)); + rbd_linked_image_spec_list_cleanup(children, max_size); + + ASSERT_EQ(0, rbd_close(child1)); + ASSERT_EQ(0, rbd_close(child2)); + ASSERT_EQ(0, rbd_close(child3)); + rados_ioctx_destroy(ioctx2); + ASSERT_EQ(0, rados_pool_delete(_cluster, m_pool_name.c_str())); + _pool_names.erase(std::remove(_pool_names.begin(), + _pool_names.end(), m_pool_name), + _pool_names.end()); + EXPECT_EQ(0, rados_wait_for_latest_osdmap(_cluster)); + + ASSERT_EQ(0, rbd_list_children3(parent, children, &max_size)); + ASSERT_EQ(3, static_cast<int>(max_size)); + rbd_linked_image_spec_list_cleanup(children, max_size); + ASSERT_EQ(0, rbd_snap_remove(parent, "snap1")); + ASSERT_EQ(0, rbd_list_children3(parent, children, &max_size)); + ASSERT_EQ(2, static_cast<int>(max_size)); + rbd_linked_image_spec_list_cleanup(children, max_size); + + ASSERT_EQ(0, rbd_remove(ioctx1, child_name2.c_str())); + ASSERT_EQ(0, rbd_list_children3(parent, children, &max_size)); + ASSERT_EQ(1, static_cast<int>(max_size)); + rbd_linked_image_spec_list_cleanup(children, max_size); + + ASSERT_EQ(0, rbd_snap_remove(parent, "snap2")); + ASSERT_EQ(0, rbd_list_children3(parent, children, &max_size)); + ASSERT_EQ(0, static_cast<int>(max_size)); + rbd_linked_image_spec_list_cleanup(children, max_size); + test_list_children2(parent, 0); + ASSERT_EQ(0, test_ls_snaps(parent, 0)); + + ASSERT_EQ(0, rbd_close(parent)); + rados_ioctx_destroy(ioctx1); +} + +TEST_F(TestLibRBD, QuiesceWatch) +{ + rados_ioctx_t ioctx; + rados_ioctx_create(_cluster, m_pool_name.c_str(), &ioctx); + + int order = 0; + std::string name = get_temp_image_name(); + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image(ioctx, name.c_str(), size, &order)); + + rbd_image_t image1, image2; + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image1, NULL)); + ASSERT_EQ(0, rbd_open(ioctx, name.c_str(), &image2, NULL)); + + struct Watcher { + static void quiesce_cb(void *arg) { + Watcher *watcher = static_cast<Watcher *>(arg); + watcher->handle_quiesce(); + } + static void unquiesce_cb(void *arg) { + Watcher *watcher = static_cast<Watcher *>(arg); + watcher->handle_unquiesce(); + } + + rbd_image_t ℑ + uint64_t handle = 0; + size_t quiesce_count = 0; + size_t unquiesce_count = 0; + + ceph::mutex lock = ceph::make_mutex("lock"); + ceph::condition_variable cv; + + Watcher(rbd_image_t &image) : image(image) { + } + + void handle_quiesce() { + ASSERT_EQ(quiesce_count, unquiesce_count); + quiesce_count++; + rbd_quiesce_complete(image, handle, 0); + } + void handle_unquiesce() { + std::unique_lock locker(lock); + unquiesce_count++; + ASSERT_EQ(quiesce_count, unquiesce_count); + cv.notify_one(); + } + bool wait_for_unquiesce(size_t c) { + std::unique_lock locker(lock); + return cv.wait_for(locker, seconds(60), + [this, c]() { return unquiesce_count >= c; }); + } + } watcher1(image1), watcher2(image2); + + ASSERT_EQ(0, rbd_quiesce_watch(image1, Watcher::quiesce_cb, + Watcher::unquiesce_cb, &watcher1, + &watcher1.handle)); + ASSERT_EQ(0, rbd_quiesce_watch(image2, Watcher::quiesce_cb, + Watcher::unquiesce_cb, &watcher2, + &watcher2.handle)); + + ASSERT_EQ(0, rbd_snap_create(image1, "snap1")); + ASSERT_EQ(1U, watcher1.quiesce_count); + ASSERT_TRUE(watcher1.wait_for_unquiesce(1U)); + ASSERT_EQ(1U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(1U)); + + ASSERT_EQ(0, rbd_snap_create(image2, "snap2")); + ASSERT_EQ(2U, watcher1.quiesce_count); + ASSERT_TRUE(watcher1.wait_for_unquiesce(2U)); + ASSERT_EQ(2U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(2U)); + + ASSERT_EQ(0, rbd_quiesce_unwatch(image1, watcher1.handle)); + + ASSERT_EQ(0, rbd_snap_create(image1, "snap3")); + ASSERT_EQ(2U, watcher1.quiesce_count); + ASSERT_EQ(2U, watcher1.unquiesce_count); + ASSERT_EQ(3U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(3U)); + + ASSERT_EQ(0, rbd_quiesce_unwatch(image2, watcher2.handle)); + + ASSERT_EQ(0, rbd_snap_remove(image1, "snap1")); + ASSERT_EQ(0, rbd_snap_remove(image1, "snap2")); + ASSERT_EQ(0, rbd_snap_remove(image1, "snap3")); + ASSERT_EQ(0, rbd_close(image1)); + ASSERT_EQ(0, rbd_close(image2)); + ASSERT_EQ(0, rbd_remove(ioctx, name.c_str())); + rados_ioctx_destroy(ioctx); +} + +TEST_F(TestLibRBD, QuiesceWatchPP) +{ + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + { + librbd::Image image1, image2; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + struct Watcher : public librbd::QuiesceWatchCtx { + librbd::Image ℑ + uint64_t handle = 0; + size_t quiesce_count = 0; + size_t unquiesce_count = 0; + + ceph::mutex lock = ceph::make_mutex("lock"); + ceph::condition_variable cv; + + Watcher(librbd::Image &image) : image(image) { + } + + void handle_quiesce() override { + ASSERT_EQ(quiesce_count, unquiesce_count); + quiesce_count++; + image.quiesce_complete(handle, 0); + } + void handle_unquiesce() override { + std::unique_lock locker(lock); + unquiesce_count++; + ASSERT_EQ(quiesce_count, unquiesce_count); + cv.notify_one(); + } + bool wait_for_unquiesce(size_t c) { + std::unique_lock locker(lock); + return cv.wait_for(locker, seconds(60), + [this, c]() { return unquiesce_count >= c; }); + } + } watcher1(image1), watcher2(image2); + + ASSERT_EQ(0, image1.quiesce_watch(&watcher1, &watcher1.handle)); + ASSERT_EQ(0, image2.quiesce_watch(&watcher2, &watcher2.handle)); + + ASSERT_EQ(0, image1.snap_create("snap1")); + ASSERT_EQ(1U, watcher1.quiesce_count); + ASSERT_TRUE(watcher1.wait_for_unquiesce(1U)); + ASSERT_EQ(1U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(1U)); + + ASSERT_EQ(0, image2.snap_create("snap2")); + ASSERT_EQ(2U, watcher1.quiesce_count); + ASSERT_TRUE(watcher1.wait_for_unquiesce(2U)); + ASSERT_EQ(2U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(2U)); + + ASSERT_EQ(0, image1.quiesce_unwatch(watcher1.handle)); + + ASSERT_EQ(0, image1.snap_create("snap3")); + ASSERT_EQ(2U, watcher1.quiesce_count); + ASSERT_EQ(2U, watcher1.unquiesce_count); + ASSERT_EQ(3U, watcher2.quiesce_count); + ASSERT_TRUE(watcher2.wait_for_unquiesce(3U)); + + ASSERT_EQ(0, image2.quiesce_unwatch(watcher2.handle)); + + ASSERT_EQ(0, image1.snap_remove("snap1")); + ASSERT_EQ(0, image1.snap_remove("snap2")); + ASSERT_EQ(0, image1.snap_remove("snap3")); + } + + ASSERT_EQ(0, rbd.remove(ioctx, name.c_str())); + ioctx.close(); +} + +TEST_F(TestLibRBD, QuiesceWatchError) +{ + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + { + librbd::Image image1, image2; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + + struct Watcher : public librbd::QuiesceWatchCtx { + librbd::Image ℑ + int r; + uint64_t handle; + size_t quiesce_count = 0; + size_t unquiesce_count = 0; + + ceph::mutex lock = ceph::make_mutex("lock"); + ceph::condition_variable cv; + + Watcher(librbd::Image &image, int r) : image(image), r(r) { + } + + void reset_counters() { + quiesce_count = 0; + unquiesce_count = 0; + } + + void handle_quiesce() override { + quiesce_count++; + image.quiesce_complete(handle, r); + } + + void handle_unquiesce() override { + std::unique_lock locker(lock); + unquiesce_count++; + cv.notify_one(); + } + + bool wait_for_unquiesce() { + std::unique_lock locker(lock); + return cv.wait_for(locker, seconds(60), + [this]() { + return quiesce_count == unquiesce_count; + }); + } + } watcher10(image1, -EINVAL), watcher11(image1, 0), watcher20(image2, 0); + + ASSERT_EQ(0, image1.quiesce_watch(&watcher10, &watcher10.handle)); + ASSERT_EQ(0, image1.quiesce_watch(&watcher11, &watcher11.handle)); + ASSERT_EQ(0, image2.quiesce_watch(&watcher20, &watcher20.handle)); + + ASSERT_EQ(-EINVAL, image1.snap_create("snap1")); + ASSERT_GT(watcher10.quiesce_count, 0U); + ASSERT_EQ(watcher10.unquiesce_count, 0U); + ASSERT_GT(watcher11.quiesce_count, 0U); + ASSERT_TRUE(watcher11.wait_for_unquiesce()); + ASSERT_GT(watcher20.quiesce_count, 0U); + ASSERT_TRUE(watcher20.wait_for_unquiesce()); + + PrintProgress prog_ctx; + watcher10.reset_counters(); + watcher11.reset_counters(); + watcher20.reset_counters(); + ASSERT_EQ(0, image2.snap_create2("snap2", + RBD_SNAP_CREATE_IGNORE_QUIESCE_ERROR, + prog_ctx)); + ASSERT_GT(watcher10.quiesce_count, 0U); + ASSERT_EQ(watcher10.unquiesce_count, 0U); + ASSERT_GT(watcher11.quiesce_count, 0U); + ASSERT_TRUE(watcher11.wait_for_unquiesce()); + ASSERT_GT(watcher20.quiesce_count, 0U); + ASSERT_TRUE(watcher20.wait_for_unquiesce()); + + ASSERT_EQ(0, image1.quiesce_unwatch(watcher10.handle)); + + watcher11.reset_counters(); + watcher20.reset_counters(); + ASSERT_EQ(0, image1.snap_create("snap3")); + ASSERT_GT(watcher11.quiesce_count, 0U); + ASSERT_TRUE(watcher11.wait_for_unquiesce()); + ASSERT_GT(watcher20.quiesce_count, 0U); + ASSERT_TRUE(watcher20.wait_for_unquiesce()); + + ASSERT_EQ(0, image1.quiesce_unwatch(watcher11.handle)); + + watcher20.reset_counters(); + ASSERT_EQ(0, image2.snap_create2("snap4", RBD_SNAP_CREATE_SKIP_QUIESCE, + prog_ctx)); + ASSERT_EQ(watcher20.quiesce_count, 0U); + ASSERT_EQ(watcher20.unquiesce_count, 0U); + + ASSERT_EQ(0, image2.quiesce_unwatch(watcher20.handle)); + + ASSERT_EQ(0, image1.snap_remove("snap2")); + ASSERT_EQ(0, image1.snap_remove("snap3")); + ASSERT_EQ(0, image1.snap_remove("snap4")); + } + + ASSERT_EQ(0, rbd.remove(ioctx, name.c_str())); + ioctx.close(); +} + +TEST_F(TestLibRBD, QuiesceWatchTimeout) +{ + REQUIRE(!is_librados_test_stub(_rados)); + + ASSERT_EQ(0, _rados.conf_set("rbd_quiesce_notification_attempts", "2")); + + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + { + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + struct Watcher : public librbd::QuiesceWatchCtx { + librbd::Image ℑ + std::mutex m_lock; + std::condition_variable m_cond; + size_t quiesce_count = 0; + size_t unquiesce_count = 0; + + Watcher(librbd::Image &image) : image(image) { + } + + void handle_quiesce() override { + std::lock_guard<std::mutex> locker(m_lock); + quiesce_count++; + m_cond.notify_one(); + } + + void handle_unquiesce() override { + std::lock_guard<std::mutex> locker(m_lock); + unquiesce_count++; + m_cond.notify_one(); + } + + void wait_for_quiesce() { + std::unique_lock<std::mutex> locker(m_lock); + ASSERT_TRUE(m_cond.wait_for(locker, seconds(60), + [this] { + return quiesce_count >= 1; + })); + } + + void wait_for_unquiesce() { + std::unique_lock<std::mutex> locker(m_lock); + ASSERT_TRUE(m_cond.wait_for(locker, seconds(60), + [this] { + return quiesce_count == unquiesce_count; + })); + quiesce_count = unquiesce_count = 0; + } + } watcher(image); + uint64_t handle; + + ASSERT_EQ(0, image.quiesce_watch(&watcher, &handle)); + + std::cerr << "test quiesce is not long enough to time out" << std::endl; + + thread quiesce1([&image, &watcher, handle]() { + watcher.wait_for_quiesce(); + sleep(8); + image.quiesce_complete(handle, 0); + }); + + ASSERT_EQ(0, image.snap_create("snap1")); + quiesce1.join(); + ASSERT_GE(watcher.quiesce_count, 1U); + watcher.wait_for_unquiesce(); + + std::cerr << "test quiesce is timed out" << std::endl; + + bool timed_out = false; + thread quiesce2([&image, &watcher, handle, &timed_out]() { + watcher.wait_for_quiesce(); + for (int i = 0; !timed_out && i < 60; i++) { + std::cerr << "waiting for timed out ... " << i << std::endl; + sleep(1); + } + image.quiesce_complete(handle, 0); + }); + + ASSERT_EQ(-ETIMEDOUT, image.snap_create("snap2")); + timed_out = true; + quiesce2.join(); + ASSERT_GE(watcher.quiesce_count, 1U); + watcher.wait_for_unquiesce(); + + thread quiesce3([&image, handle, &watcher]() { + watcher.wait_for_quiesce(); + image.quiesce_complete(handle, 0); + }); + + std::cerr << "test retry succeeds" << std::endl; + + ASSERT_EQ(0, image.snap_create("snap2")); + quiesce3.join(); + ASSERT_GE(watcher.quiesce_count, 1U); + watcher.wait_for_unquiesce(); + + ASSERT_EQ(0, image.snap_remove("snap1")); + ASSERT_EQ(0, image.snap_remove("snap2")); + } + + ASSERT_EQ(0, rbd.remove(ioctx, name.c_str())); + ioctx.close(); +} + +TEST_F(TestLibRBD, WriteZeroes) { + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + // 1s from [0, 256) / length 256 + char data[256]; + memset(data, 1, sizeof(data)); + bufferlist bl; + bl.append(data, 256); + ASSERT_EQ(256, image.write(0, 256, bl)); + + interval_set<uint64_t> diff; + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + auto expected_diff = interval_set<uint64_t>{{{0, 256}}}; + ASSERT_EQ(expected_diff, diff); + + // writes zero passed the current end extents. + // Now 1s from [0, 192) / length 192 + ASSERT_EQ(size - 192, + image.write_zeroes(192, size - 192, 0U, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 192}}}; + ASSERT_EQ(expected_diff, diff); + + // zero an existing extent and truncate some off the end + // Now 1s from [64, 192) / length 192 + ASSERT_EQ(64, image.write_zeroes(0, 64, 0U, 0)); + + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 192}}}; + ASSERT_EQ(expected_diff, diff); + + bufferlist expected_bl; + expected_bl.append_zero(64); + bufferlist sub_bl; + sub_bl.substr_of(bl, 0, 128); + expected_bl.claim_append(sub_bl); + expected_bl.append_zero(size - 192); + + bufferlist read_bl; + EXPECT_EQ(size, image.read(0, size, read_bl)); + EXPECT_EQ(expected_bl, read_bl); + + ASSERT_EQ(0, image.close()); +} + +TEST_F(TestLibRBD, WriteZeroesThickProvision) { + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + librbd::Image image; + ASSERT_EQ(0, rbd.open(ioctx, image, name.c_str(), NULL)); + + interval_set<uint64_t> diff; + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + auto expected_diff = interval_set<uint64_t>{{}}; + ASSERT_EQ(expected_diff, diff); + + // writes unaligned zeroes as a prepend + ASSERT_EQ(128, image.write_zeroes( + 0, 128, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 128}}}; + ASSERT_EQ(expected_diff, diff); + + ASSERT_EQ(512, image.write_zeroes( + 384, 512, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 896}}}; + ASSERT_EQ(expected_diff, diff); + + // prepend with write-same + ASSERT_EQ(640, image.write_zeroes( + 896, 640, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 1536}}}; + ASSERT_EQ(expected_diff, diff); + + // write-same with append + ASSERT_EQ(640, image.write_zeroes( + 1536, 640, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 2176}}}; + ASSERT_EQ(expected_diff, diff); + + // prepend + write-same + append + ASSERT_EQ(768, image.write_zeroes( + 2176, 768, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 2944}}}; + + // write-same + ASSERT_EQ(1024, image.write_zeroes( + 3072, 1024, RBD_WRITE_ZEROES_FLAG_THICK_PROVISION, 0)); + diff.clear(); + ASSERT_EQ(0, image.diff_iterate2(nullptr, 0, size, false, false, + iterate_cb, (void *)&diff)); + expected_diff = interval_set<uint64_t>{{{0, 4096}}}; + + bufferlist expected_bl; + expected_bl.append_zero(size); + + bufferlist read_bl; + EXPECT_EQ(size, image.read(0, size, read_bl)); + EXPECT_EQ(expected_bl, read_bl); + + ASSERT_EQ(0, image.close()); +} + +TEST_F(TestLibRBD, ConcurentOperations) +{ + REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); + + librbd::RBD rbd; + librados::IoCtx ioctx; + ASSERT_EQ(0, _rados.ioctx_create(m_pool_name.c_str(), ioctx)); + std::string name = get_temp_image_name(); + int order = 0; + uint64_t size = 2 << 20; + ASSERT_EQ(0, create_image_pp(rbd, ioctx, name.c_str(), size, &order)); + + // Test creating/removing many snapshots simultaneously + + std::vector<librbd::Image> images(10); + std::vector<librbd::RBD::AioCompletion *> comps; + + for (auto &image : images) { + auto comp = new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, rbd.aio_open(ioctx, image, name.c_str(), NULL, comp)); + comps.push_back(comp); + } + + for (auto &comp : comps) { + ASSERT_EQ(0, comp->wait_for_complete()); + ASSERT_EQ(1, comp->is_complete()); + ASSERT_EQ(0, comp->get_return_value()); + comp->release(); + } + comps.clear(); + + std::vector<std::thread> threads; + int i = 0; + for (auto &image : images) { + std::string snap_name = "snap" + stringify(i++); + threads.emplace_back([&image, snap_name]() { + int r = image.snap_create(snap_name.c_str()); + ceph_assert(r == 0); + }); + } + + for (auto &t : threads) { + t.join(); + } + threads.clear(); + + i = 0; + for (auto &image : images) { + std::string snap_name = "snap" + stringify(i++); + threads.emplace_back([&image, snap_name](){ + int r = image.snap_remove(snap_name.c_str()); + ceph_assert(r == 0); + }); + } + + for (auto &t : threads) { + t.join(); + } + threads.clear(); + + for (auto &image : images) { + auto comp = new librbd::RBD::AioCompletion(NULL, NULL); + ASSERT_EQ(0, image.aio_close(comp)); + comps.push_back(comp); + } + + for (auto &comp : comps) { + ASSERT_EQ(0, comp->wait_for_complete()); + ASSERT_EQ(1, comp->is_complete()); + ASSERT_EQ(0, comp->get_return_value()); + comp->release(); + } + comps.clear(); + + // Test shutdown + { + librbd::Image image1, image2, image3; + ASSERT_EQ(0, rbd.open(ioctx, image1, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ioctx, image2, name.c_str(), NULL)); + ASSERT_EQ(0, rbd.open(ioctx, image3, name.c_str(), NULL)); + + ASSERT_EQ(0, image1.lock_acquire(RBD_LOCK_MODE_EXCLUSIVE)); + + struct Watcher : public librbd::QuiesceWatchCtx { + size_t count = 0; + + ceph::mutex lock = ceph::make_mutex("lock"); + ceph::condition_variable cv; + + void handle_quiesce() override { + std::unique_lock locker(lock); + count++; + cv.notify_one(); + } + + void handle_unquiesce() override { + } + + bool wait_for_quiesce(size_t c) { + std::unique_lock locker(lock); + return cv.wait_for(locker, seconds(60), + [this, c]() { return count >= c; }); + } + } watcher; + uint64_t handle; + ASSERT_EQ(0, image2.quiesce_watch(&watcher, &handle)); + + auto close1_comp = new librbd::RBD::AioCompletion(NULL, NULL); + + std::thread create_snap1([&image1, close1_comp]() { + int r = image1.snap_create("snap1"); + ceph_assert(r == 0); + r = image1.aio_close(close1_comp); + ceph_assert(r == 0); + }); + + ASSERT_TRUE(watcher.wait_for_quiesce(1)); + + std::thread create_snap2([&image2]() { + int r = image2.snap_create("snap2"); + ceph_assert(r == 0); + }); + + std::thread create_snap3([&image3]() { + int r = image3.snap_create("snap3"); + ceph_assert(r == 0); + }); + + image2.quiesce_complete(handle, 0); + create_snap1.join(); + + ASSERT_TRUE(watcher.wait_for_quiesce(2)); + image2.quiesce_complete(handle, 0); + + ASSERT_TRUE(watcher.wait_for_quiesce(3)); + image2.quiesce_complete(handle, 0); + + ASSERT_EQ(0, close1_comp->wait_for_complete()); + ASSERT_EQ(1, close1_comp->is_complete()); + ASSERT_EQ(0, close1_comp->get_return_value()); + close1_comp->release(); + + create_snap2.join(); + create_snap3.join(); + + ASSERT_EQ(0, image2.quiesce_unwatch(handle)); + ASSERT_EQ(0, image2.snap_remove("snap1")); + ASSERT_EQ(0, image2.snap_remove("snap2")); + ASSERT_EQ(0, image2.snap_remove("snap3")); + } + + ASSERT_EQ(0, rbd.remove(ioctx, name.c_str())); + ioctx.close(); +} + + +// poorman's ceph_assert() +namespace ceph { + void __ceph_assert_fail(const char *assertion, const char *file, int line, + const char *func) { + ceph_abort(); + } +} + +#pragma GCC diagnostic pop +#pragma GCC diagnostic warning "-Wpragmas" |