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-rw-r--r--src/test/librbd/test_Migration.cc1359
1 files changed, 1359 insertions, 0 deletions
diff --git a/src/test/librbd/test_Migration.cc b/src/test/librbd/test_Migration.cc
new file mode 100644
index 000000000..959eb0934
--- /dev/null
+++ b/src/test/librbd/test_Migration.cc
@@ -0,0 +1,1359 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "test/librados/test.h"
+#include "test/librbd/test_fixture.h"
+#include "test/librbd/test_support.h"
+#include "librbd/ImageState.h"
+#include "librbd/Operations.h"
+#include "librbd/api/Group.h"
+#include "librbd/api/Image.h"
+#include "librbd/api/Io.h"
+#include "librbd/api/Migration.h"
+#include "librbd/api/Mirror.h"
+#include "librbd/api/Namespace.h"
+#include "librbd/api/Snapshot.h"
+#include "librbd/image/AttachChildRequest.h"
+#include "librbd/image/AttachParentRequest.h"
+#include "librbd/internal.h"
+#include "librbd/io/ReadResult.h"
+#include "common/Cond.h"
+#include <boost/scope_exit.hpp>
+
+void register_test_migration() {
+}
+
+namespace librbd {
+
+struct TestMigration : public TestFixture {
+ static void SetUpTestCase() {
+ TestFixture::SetUpTestCase();
+
+ _other_pool_name = get_temp_pool_name("test-librbd-");
+ ASSERT_EQ(0, _rados.pool_create(_other_pool_name.c_str()));
+ }
+
+ static void TearDownTestCase() {
+ ASSERT_EQ(0, _rados.pool_delete(_other_pool_name.c_str()));
+
+ TestFixture::TearDownTestCase();
+ }
+
+ void SetUp() override {
+ TestFixture::SetUp();
+
+ ASSERT_EQ(0, _rados.ioctx_create(_other_pool_name.c_str(),
+ _other_pool_ioctx));
+
+ open_image(m_ioctx, m_image_name, &m_ictx);
+ m_image_id = m_ictx->id;
+
+ std::string ref_image_name = get_temp_image_name();
+ ASSERT_EQ(0, create_image_pp(m_rbd, m_ioctx, ref_image_name, m_ictx->size));
+ EXPECT_EQ(0, _rados.ioctx_create2(m_ioctx.get_id(), m_ref_ioctx));
+ open_image(m_ref_ioctx, ref_image_name, &m_ref_ictx);
+
+ resize(20 * (1 << 22));
+ }
+
+ void TearDown() override {
+ if (m_ref_ictx != nullptr) {
+ close_image(m_ref_ictx);
+ }
+ if (m_ictx != nullptr) {
+ close_image(m_ictx);
+ }
+
+ _other_pool_ioctx.close();
+
+ TestFixture::TearDown();
+ }
+
+ void compare(const std::string &description = "") {
+ vector<librbd::snap_info_t> src_snaps, dst_snaps;
+
+ EXPECT_EQ(m_ref_ictx->size, m_ictx->size);
+ EXPECT_EQ(0, librbd::api::Snapshot<>::list(m_ref_ictx, src_snaps));
+ EXPECT_EQ(0, librbd::api::Snapshot<>::list(m_ictx, dst_snaps));
+ EXPECT_EQ(src_snaps.size(), dst_snaps.size());
+ for (size_t i = 0; i <= src_snaps.size(); i++) {
+ const char *src_snap_name = nullptr;
+ const char *dst_snap_name = nullptr;
+ if (i < src_snaps.size()) {
+ EXPECT_EQ(src_snaps[i].name, dst_snaps[i].name);
+ src_snap_name = src_snaps[i].name.c_str();
+ dst_snap_name = dst_snaps[i].name.c_str();
+ }
+ EXPECT_EQ(0, librbd::api::Image<>::snap_set(
+ m_ref_ictx, cls::rbd::UserSnapshotNamespace(),
+ src_snap_name));
+ EXPECT_EQ(0, librbd::api::Image<>::snap_set(
+ m_ictx, cls::rbd::UserSnapshotNamespace(),
+ dst_snap_name));
+ compare_snaps(
+ description + " snap: " + (src_snap_name ? src_snap_name : "null"),
+ m_ref_ictx, m_ictx);
+ }
+ }
+
+ void compare_snaps(const std::string &description, librbd::ImageCtx *src_ictx,
+ librbd::ImageCtx *dst_ictx) {
+ uint64_t src_size, dst_size;
+ {
+ std::shared_lock src_locker{src_ictx->image_lock};
+ std::shared_lock dst_locker{dst_ictx->image_lock};
+ src_size = src_ictx->get_image_size(src_ictx->snap_id);
+ dst_size = dst_ictx->get_image_size(dst_ictx->snap_id);
+ }
+ if (src_size != dst_size) {
+ std::cout << description << ": size differs" << std::endl;
+ EXPECT_EQ(src_size, dst_size);
+ }
+
+ if (dst_ictx->test_features(RBD_FEATURE_LAYERING)) {
+ bool flags_set;
+ std::shared_lock dst_locker{dst_ictx->image_lock};
+ EXPECT_EQ(0, dst_ictx->test_flags(dst_ictx->snap_id,
+ RBD_FLAG_OBJECT_MAP_INVALID,
+ dst_ictx->image_lock, &flags_set));
+ EXPECT_FALSE(flags_set);
+ }
+
+ ssize_t read_size = 1 << src_ictx->order;
+ uint64_t offset = 0;
+ while (offset < src_size) {
+ read_size = std::min(read_size, static_cast<ssize_t>(src_size - offset));
+
+ bufferptr src_ptr(read_size);
+ bufferlist src_bl;
+ src_bl.push_back(src_ptr);
+ librbd::io::ReadResult src_result{&src_bl};
+ EXPECT_EQ(read_size, api::Io<>::read(
+ *src_ictx, offset, read_size,
+ librbd::io::ReadResult{src_result}, 0));
+
+ bufferptr dst_ptr(read_size);
+ bufferlist dst_bl;
+ dst_bl.push_back(dst_ptr);
+ librbd::io::ReadResult dst_result{&dst_bl};
+ EXPECT_EQ(read_size, api::Io<>::read(
+ *dst_ictx, offset, read_size,
+ librbd::io::ReadResult{dst_result}, 0));
+
+ if (!src_bl.contents_equal(dst_bl)) {
+ std::cout << description
+ << ", block " << offset << "~" << read_size << " differs"
+ << std::endl;
+ std::cout << "src block: " << src_ictx->id << ": " << std::endl; src_bl.hexdump(std::cout);
+ std::cout << "dst block: " << dst_ictx->id << ": " << std::endl; dst_bl.hexdump(std::cout);
+ }
+ EXPECT_TRUE(src_bl.contents_equal(dst_bl));
+ offset += read_size;
+ }
+ }
+
+ void open_image(librados::IoCtx& io_ctx, const std::string &name,
+ const std::string &id, bool read_only, int flags,
+ librbd::ImageCtx **ictx) {
+ *ictx = new librbd::ImageCtx(name, id, nullptr, io_ctx, read_only);
+ m_ictxs.insert(*ictx);
+
+ ASSERT_EQ(0, (*ictx)->state->open(flags));
+ (*ictx)->discard_granularity_bytes = 0;
+ }
+
+ void open_image(librados::IoCtx& io_ctx, const std::string &name,
+ librbd::ImageCtx **ictx) {
+ open_image(io_ctx, name, "", false, 0, ictx);
+ }
+
+ void migration_prepare(librados::IoCtx& dst_io_ctx,
+ const std::string &dst_name, int r = 0) {
+ std::cout << __func__ << std::endl;
+
+ close_image(m_ictx);
+ m_ictx = nullptr;
+
+ EXPECT_EQ(r, librbd::api::Migration<>::prepare(m_ioctx, m_image_name,
+ dst_io_ctx, dst_name,
+ m_opts));
+ if (r == 0) {
+ open_image(dst_io_ctx, dst_name, &m_ictx);
+ } else {
+ open_image(m_ioctx, m_image_name, &m_ictx);
+ }
+ compare("after prepare");
+ }
+
+ void migration_execute(librados::IoCtx& io_ctx, const std::string &name,
+ int r = 0) {
+ std::cout << __func__ << std::endl;
+
+ librbd::NoOpProgressContext no_op;
+ EXPECT_EQ(r, librbd::api::Migration<>::execute(io_ctx, name, no_op));
+ }
+
+ void migration_abort(librados::IoCtx& io_ctx, const std::string &name,
+ int r = 0) {
+ std::cout << __func__ << std::endl;
+
+ std::string dst_name = m_ictx->name;
+ close_image(m_ictx);
+ m_ictx = nullptr;
+
+ librbd::NoOpProgressContext no_op;
+ EXPECT_EQ(r, librbd::api::Migration<>::abort(io_ctx, name, no_op));
+
+ if (r == 0) {
+ open_image(m_ioctx, m_image_name, &m_ictx);
+ } else {
+ open_image(m_ioctx, dst_name, &m_ictx);
+ }
+
+ compare("after abort");
+ }
+
+ void migration_commit(librados::IoCtx& io_ctx, const std::string &name) {
+ std::cout << __func__ << std::endl;
+
+ librbd::NoOpProgressContext no_op;
+ EXPECT_EQ(0, librbd::api::Migration<>::commit(io_ctx, name, no_op));
+
+ compare("after commit");
+ }
+
+ void migration_status(librbd::image_migration_state_t state) {
+ librbd::image_migration_status_t status;
+ EXPECT_EQ(0, librbd::api::Migration<>::status(m_ioctx, m_image_name,
+ &status));
+ EXPECT_EQ(status.source_pool_id, m_ioctx.get_id());
+ EXPECT_EQ(status.source_pool_namespace, m_ioctx.get_namespace());
+ EXPECT_EQ(status.source_image_name, m_image_name);
+ EXPECT_EQ(status.source_image_id, m_image_id);
+ EXPECT_EQ(status.dest_pool_id, m_ictx->md_ctx.get_id());
+ EXPECT_EQ(status.dest_pool_namespace, m_ictx->md_ctx.get_namespace());
+ EXPECT_EQ(status.dest_image_name, m_ictx->name);
+ EXPECT_EQ(status.dest_image_id, m_ictx->id);
+ EXPECT_EQ(status.state, state);
+ }
+
+ void migrate(librados::IoCtx& dst_io_ctx, const std::string &dst_name) {
+ migration_prepare(dst_io_ctx, dst_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ migration_execute(dst_io_ctx, dst_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(dst_io_ctx, dst_name);
+ }
+
+ void write(uint64_t off, uint64_t len, char c) {
+ std::cout << "write: " << c << " " << off << "~" << len << std::endl;
+
+ bufferlist ref_bl;
+ ref_bl.append(std::string(len, c));
+ ASSERT_EQ(static_cast<ssize_t>(len),
+ api::Io<>::write(*m_ref_ictx, off, len, std::move(ref_bl), 0));
+ bufferlist bl;
+ bl.append(std::string(len, c));
+ ASSERT_EQ(static_cast<ssize_t>(len),
+ api::Io<>::write(*m_ictx, off, len, std::move(bl), 0));
+ }
+
+ void discard(uint64_t off, uint64_t len) {
+ std::cout << "discard: " << off << "~" << len << std::endl;
+
+ ASSERT_EQ(static_cast<ssize_t>(len),
+ api::Io<>::discard(*m_ref_ictx, off, len, false));
+ ASSERT_EQ(static_cast<ssize_t>(len),
+ api::Io<>::discard(*m_ictx, off, len, false));
+ }
+
+ void flush() {
+ ASSERT_EQ(0, TestFixture::flush_writeback_cache(m_ref_ictx));
+ ASSERT_EQ(0, TestFixture::flush_writeback_cache(m_ictx));
+ }
+
+ void snap_create(const std::string &snap_name) {
+ std::cout << "snap_create: " << snap_name << std::endl;
+
+ flush();
+
+ ASSERT_EQ(0, TestFixture::snap_create(*m_ref_ictx, snap_name));
+ ASSERT_EQ(0, TestFixture::snap_create(*m_ictx, snap_name));
+ }
+
+ void snap_protect(const std::string &snap_name) {
+ std::cout << "snap_protect: " << snap_name << std::endl;
+
+ ASSERT_EQ(0, TestFixture::snap_protect(*m_ref_ictx, snap_name));
+ ASSERT_EQ(0, TestFixture::snap_protect(*m_ictx, snap_name));
+ }
+
+ void clone(const std::string &snap_name) {
+ snap_protect(snap_name);
+
+ int order = m_ref_ictx->order;
+ uint64_t features;
+ ASSERT_EQ(0, librbd::get_features(m_ref_ictx, &features));
+
+ std::string ref_clone_name = get_temp_image_name();
+ std::string clone_name = get_temp_image_name();
+
+ std::cout << "clone " << m_ictx->name << " -> " << clone_name
+ << std::endl;
+
+ ASSERT_EQ(0, librbd::clone(m_ref_ictx->md_ctx, m_ref_ictx->name.c_str(),
+ snap_name.c_str(), m_ref_ioctx,
+ ref_clone_name.c_str(), features, &order,
+ m_ref_ictx->stripe_unit,
+ m_ref_ictx->stripe_count));
+
+ ASSERT_EQ(0, librbd::clone(m_ictx->md_ctx, m_ictx->name.c_str(),
+ snap_name.c_str(), m_ioctx,
+ clone_name.c_str(), features, &order,
+ m_ictx->stripe_unit,
+ m_ictx->stripe_count));
+
+ close_image(m_ref_ictx);
+ open_image(m_ref_ioctx, ref_clone_name, &m_ref_ictx);
+
+ close_image(m_ictx);
+ open_image(m_ioctx, clone_name, &m_ictx);
+ m_image_name = m_ictx->name;
+ m_image_id = m_ictx->id;
+ }
+
+ void resize(uint64_t size) {
+ std::cout << "resize: " << size << std::endl;
+
+ librbd::NoOpProgressContext no_op;
+ ASSERT_EQ(0, m_ref_ictx->operations->resize(size, true, no_op));
+ ASSERT_EQ(0, m_ictx->operations->resize(size, true, no_op));
+ }
+
+ void test_no_snaps() {
+ uint64_t len = (1 << m_ictx->order) * 2 + 1;
+ write(0 * len, len, '1');
+ write(2 * len, len, '1');
+ flush();
+ }
+
+ void test_snaps() {
+ uint64_t len = (1 << m_ictx->order) * 2 + 1;
+ write(0 * len, len, '1');
+ snap_create("snap1");
+ write(1 * len, len, '1');
+
+ write(0 * len, 1000, 'X');
+ discard(1000 + 10, 1000);
+
+ snap_create("snap2");
+
+ write(1 * len, 1000, 'X');
+ discard(2 * len + 10, 1000);
+
+ uint64_t size = m_ictx->size;
+
+ resize(size << 1);
+
+ write(size - 1, len, '2');
+
+ snap_create("snap3");
+
+ resize(size);
+
+ discard(size - 1, 1);
+
+ flush();
+ }
+
+ void test_clone() {
+ uint64_t len = (1 << m_ictx->order) * 2 + 1;
+ write(0 * len, len, 'X');
+ write(2 * len, len, 'X');
+
+ snap_create("snap");
+ clone("snap");
+
+ write(0, 1000, 'X');
+ discard(1010, 1000);
+
+ snap_create("snap");
+ clone("snap");
+
+ write(1000, 1000, 'X');
+ discard(2010, 1000);
+
+ flush();
+ }
+
+ template <typename L>
+ void test_migrate_parent(uint32_t clone_format, L&& test) {
+ REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+ std::string prev_clone_format;
+ ASSERT_EQ(0, _rados.conf_get("rbd_default_clone_format",
+ prev_clone_format));
+ ASSERT_EQ(0, _rados.conf_set("rbd_default_clone_format",
+ stringify(clone_format).c_str()));
+ BOOST_SCOPE_EXIT_TPL(&prev_clone_format) {
+ _rados.conf_set("rbd_default_clone_format", prev_clone_format.c_str());
+ } BOOST_SCOPE_EXIT_END;
+
+ write(0, 10, 'A');
+ snap_create("snap1");
+ snap_protect("snap1");
+
+ int order = m_ictx->order;
+ uint64_t features;
+ ASSERT_EQ(0, librbd::get_features(m_ictx, &features));
+
+ std::string clone_name = get_temp_image_name();
+ ASSERT_EQ(0, librbd::clone(m_ictx->md_ctx, m_ictx->name.c_str(), "snap1",
+ m_ioctx, clone_name.c_str(), features, &order,
+ m_ictx->stripe_unit, m_ictx->stripe_count));
+
+ librbd::ImageCtx *child_ictx;
+ open_image(m_ioctx, clone_name, &child_ictx);
+
+ test(child_ictx);
+
+ ASSERT_EQ(0, child_ictx->state->refresh());
+
+ bufferlist bl;
+ bufferptr ptr(10);
+ bl.push_back(ptr);
+ librbd::io::ReadResult result{&bl};
+ ASSERT_EQ(10, api::Io<>::read(
+ *child_ictx, 0, 10, librbd::io::ReadResult{result}, 0));
+ bufferlist ref_bl;
+ ref_bl.append(std::string(10, 'A'));
+ ASSERT_TRUE(ref_bl.contents_equal(bl));
+ close_image(child_ictx);
+ }
+
+ void test_stress(const std::string &snap_name_prefix = "snap",
+ char start_char = 'A') {
+ uint64_t initial_size = m_ictx->size;
+
+ int nsnaps = 4;
+ const char *c = getenv("TEST_RBD_MIGRATION_STRESS_NSNAPS");
+ if (c != NULL) {
+ std::stringstream ss(c);
+ ASSERT_TRUE(ss >> nsnaps);
+ }
+
+ int nwrites = 4;
+ c = getenv("TEST_RBD_MIGRATION_STRESS_NWRITES");
+ if (c != NULL) {
+ std::stringstream ss(c);
+ ASSERT_TRUE(ss >> nwrites);
+ }
+
+ for (int i = 0; i < nsnaps; i++) {
+ for (int j = 0; j < nwrites; j++) {
+ size_t len = rand() % ((1 << m_ictx->order) * 2);
+ ASSERT_GT(m_ictx->size, len);
+ uint64_t off = std::min(static_cast<uint64_t>(rand() % m_ictx->size),
+ static_cast<uint64_t>(m_ictx->size - len));
+ write(off, len, start_char + i);
+
+ len = rand() % ((1 << m_ictx->order) * 2);
+ ASSERT_GT(m_ictx->size, len);
+ off = std::min(static_cast<uint64_t>(rand() % m_ictx->size),
+ static_cast<uint64_t>(m_ictx->size - len));
+ discard(off, len);
+ }
+
+ std::string snap_name = snap_name_prefix + stringify(i);
+ snap_create(snap_name);
+
+ if (m_ictx->test_features(RBD_FEATURE_LAYERING) &&
+ !m_ictx->test_features(RBD_FEATURE_MIGRATING) &&
+ rand() % 4) {
+ clone(snap_name);
+ }
+
+ if (rand() % 2) {
+ librbd::NoOpProgressContext no_op;
+ uint64_t new_size = initial_size + rand() % m_ictx->size;
+ resize(new_size);
+ ASSERT_EQ(new_size, m_ictx->size);
+ }
+ }
+ flush();
+ }
+
+ void test_stress2(bool concurrent) {
+ test_stress();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ thread user([this]() {
+ test_stress("user", 'a');
+ for (int i = 0; i < 5; i++) {
+ uint64_t off = (i + 1) * m_ictx->size / 10;
+ uint64_t len = m_ictx->size / 40;
+ write(off, len, '1' + i);
+
+ off += len / 4;
+ len /= 2;
+ discard(off, len);
+ }
+ flush();
+ });
+
+ if (concurrent) {
+ librados::IoCtx io_ctx;
+ EXPECT_EQ(0, _rados.ioctx_create2(m_ioctx.get_id(), io_ctx));
+ migration_execute(io_ctx, m_image_name);
+ io_ctx.close();
+ user.join();
+ } else {
+ user.join();
+ compare("before execute");
+ migration_execute(m_ioctx, m_image_name);
+ }
+
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+ }
+
+ static std::string _other_pool_name;
+ static librados::IoCtx _other_pool_ioctx;
+
+ std::string m_image_id;
+ librbd::ImageCtx *m_ictx = nullptr;
+ librados::IoCtx m_ref_ioctx;
+ librbd::ImageCtx *m_ref_ictx = nullptr;
+ librbd::ImageOptions m_opts;
+};
+
+std::string TestMigration::_other_pool_name;
+librados::IoCtx TestMigration::_other_pool_ioctx;
+
+TEST_F(TestMigration, Empty)
+{
+ uint64_t features = m_ictx->features ^ RBD_FEATURE_LAYERING;
+ features &= ~RBD_FEATURE_DIRTY_CACHE;
+ ASSERT_EQ(0, m_opts.set(RBD_IMAGE_OPTION_FEATURES, features));
+
+ migrate(m_ioctx, m_image_name);
+
+ ASSERT_EQ(features, m_ictx->features);
+}
+
+TEST_F(TestMigration, OtherName)
+{
+ std::string name = get_temp_image_name();
+
+ migrate(m_ioctx, name);
+
+ ASSERT_EQ(name, m_ictx->name);
+}
+
+TEST_F(TestMigration, OtherPool)
+{
+ migrate(_other_pool_ioctx, m_image_name);
+
+ ASSERT_EQ(_other_pool_ioctx.get_id(), m_ictx->md_ctx.get_id());
+}
+
+TEST_F(TestMigration, OtherNamespace)
+{
+ ASSERT_EQ(0, librbd::api::Namespace<>::create(_other_pool_ioctx, "ns1"));
+ _other_pool_ioctx.set_namespace("ns1");
+
+ migrate(_other_pool_ioctx, m_image_name);
+
+ ASSERT_EQ(_other_pool_ioctx.get_id(), m_ictx->md_ctx.get_id());
+ ASSERT_EQ(_other_pool_ioctx.get_namespace(), m_ictx->md_ctx.get_namespace());
+ _other_pool_ioctx.set_namespace("");
+}
+
+TEST_F(TestMigration, DataPool)
+{
+ ASSERT_EQ(0, m_opts.set(RBD_IMAGE_OPTION_DATA_POOL,
+ _other_pool_ioctx.get_pool_name().c_str()));
+
+ migrate(m_ioctx, m_image_name);
+
+ ASSERT_EQ(_other_pool_ioctx.get_id(), m_ictx->data_ctx.get_id());
+}
+
+TEST_F(TestMigration, AbortAfterPrepare)
+{
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ migration_abort(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, AbortAfterFailedPrepare)
+{
+ ASSERT_EQ(0, m_opts.set(RBD_IMAGE_OPTION_DATA_POOL, "INVALID_POOL"));
+
+ migration_prepare(m_ioctx, m_image_name, -ENOENT);
+
+ // Migration is automatically aborted if prepare failed
+}
+
+TEST_F(TestMigration, AbortAfterExecute)
+{
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_abort(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, OtherPoolAbortAfterExecute)
+{
+ migration_prepare(_other_pool_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ migration_execute(_other_pool_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_abort(_other_pool_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, OtherNamespaceAbortAfterExecute)
+{
+ ASSERT_EQ(0, librbd::api::Namespace<>::create(_other_pool_ioctx, "ns2"));
+ _other_pool_ioctx.set_namespace("ns2");
+
+ migration_prepare(_other_pool_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ migration_execute(_other_pool_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_abort(_other_pool_ioctx, m_image_name);
+
+ _other_pool_ioctx.set_namespace("");
+ ASSERT_EQ(0, librbd::api::Namespace<>::remove(_other_pool_ioctx, "ns2"));
+}
+
+TEST_F(TestMigration, MirroringSamePool)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_ioctx, RBD_MIRROR_MODE_IMAGE));
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_enable(
+ m_ictx, RBD_MIRROR_IMAGE_MODE_JOURNAL, false));
+ librbd::mirror_image_info_t info;
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+
+ migrate(m_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+}
+
+TEST_F(TestMigration, MirroringAbort)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_ioctx, RBD_MIRROR_MODE_IMAGE));
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_enable(
+ m_ictx, RBD_MIRROR_IMAGE_MODE_JOURNAL, false));
+ librbd::mirror_image_info_t info;
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_DISABLED, info.state);
+
+ migration_abort(m_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+}
+
+TEST_F(TestMigration, MirroringOtherPoolDisabled)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_ioctx, RBD_MIRROR_MODE_IMAGE));
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_enable(
+ m_ictx, RBD_MIRROR_IMAGE_MODE_JOURNAL, false));
+ librbd::mirror_image_info_t info;
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+
+ migrate(_other_pool_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_DISABLED, info.state);
+}
+
+TEST_F(TestMigration, MirroringOtherPoolEnabled)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_ioctx, RBD_MIRROR_MODE_IMAGE));
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(_other_pool_ioctx,
+ RBD_MIRROR_MODE_IMAGE));
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_enable(
+ m_ictx, RBD_MIRROR_IMAGE_MODE_JOURNAL, false));
+ librbd::mirror_image_info_t info;
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+
+ migrate(_other_pool_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+}
+
+TEST_F(TestMigration, MirroringPool)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_JOURNALING);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(_other_pool_ioctx,
+ RBD_MIRROR_MODE_POOL));
+ librbd::mirror_image_info_t info;
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_DISABLED, info.state);
+
+ migrate(_other_pool_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Mirror<>::image_get_info(m_ictx, &info));
+ ASSERT_EQ(RBD_MIRROR_IMAGE_ENABLED, info.state);
+}
+
+TEST_F(TestMigration, Group)
+{
+ REQUIRE_FORMAT_V2();
+
+ ASSERT_EQ(0, librbd::api::Group<>::create(m_ioctx, "123"));
+ ASSERT_EQ(0, librbd::api::Group<>::image_add(m_ioctx, "123", m_ioctx,
+ m_image_name.c_str()));
+ librbd::group_info_t info;
+ ASSERT_EQ(0, librbd::api::Group<>::image_get_group(m_ictx, &info));
+
+ std::string name = get_temp_image_name();
+
+ migrate(m_ioctx, name);
+
+ ASSERT_EQ(0, librbd::api::Group<>::image_get_group(m_ictx, &info));
+ ASSERT_EQ(info.name, "123");
+
+ ASSERT_EQ(0, librbd::api::Group<>::image_remove(m_ioctx, "123", m_ioctx,
+ name.c_str()));
+ ASSERT_EQ(0, librbd::api::Group<>::remove(m_ioctx, "123"));
+}
+
+TEST_F(TestMigration, GroupAbort)
+{
+ REQUIRE_FORMAT_V2();
+
+ ASSERT_EQ(0, librbd::api::Group<>::create(m_ioctx, "123"));
+ ASSERT_EQ(0, librbd::api::Group<>::image_add(m_ioctx, "123", m_ioctx,
+ m_image_name.c_str()));
+ librbd::group_info_t info;
+ ASSERT_EQ(0, librbd::api::Group<>::image_get_group(m_ictx, &info));
+
+ std::string name = get_temp_image_name();
+
+ migration_prepare(m_ioctx, name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ ASSERT_EQ(0, librbd::api::Group<>::image_get_group(m_ictx, &info));
+ ASSERT_EQ(info.name, "123");
+
+ migration_abort(m_ioctx, m_image_name);
+
+ ASSERT_EQ(0, librbd::api::Group<>::image_get_group(m_ictx, &info));
+ ASSERT_EQ(info.name, "123");
+
+ ASSERT_EQ(0, librbd::api::Group<>::image_remove(m_ioctx, "123", m_ioctx,
+ m_image_name.c_str()));
+ ASSERT_EQ(0, librbd::api::Group<>::remove(m_ioctx, "123"));
+}
+
+TEST_F(TestMigration, NoSnaps)
+{
+ test_no_snaps();
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsOtherPool)
+{
+ test_no_snaps();
+
+ test_no_snaps();
+ migrate(_other_pool_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsDataPool)
+{
+ test_no_snaps();
+
+ ASSERT_EQ(0, m_opts.set(RBD_IMAGE_OPTION_DATA_POOL,
+ _other_pool_ioctx.get_pool_name().c_str()));
+ migrate(m_ioctx, m_image_name);
+
+ EXPECT_EQ(_other_pool_ioctx.get_id(), m_ictx->data_ctx.get_id());
+}
+
+TEST_F(TestMigration, NoSnapsShrinkAfterPrepare)
+{
+ test_no_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(m_ictx->size >> 1);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsShrinkToZeroBeforePrepare)
+{
+ test_no_snaps();
+ resize(0);
+
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsShrinkToZeroAfterPrepare)
+{
+ test_no_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(0);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsExpandAfterPrepare)
+{
+ test_no_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(m_ictx->size << 1);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, NoSnapsSnapAfterPrepare)
+{
+ test_no_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ snap_create("after_prepare_snap");
+ resize(m_ictx->size >> 1);
+ write(0, 1000, '*');
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, Snaps)
+{
+ test_snaps();
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsOtherPool)
+{
+ test_snaps();
+
+ test_no_snaps();
+ migrate(_other_pool_ioctx, m_image_name);
+
+ EXPECT_EQ(_other_pool_ioctx.get_id(), m_ictx->md_ctx.get_id());
+}
+
+TEST_F(TestMigration, SnapsDataPool)
+{
+ test_snaps();
+
+ ASSERT_EQ(0, m_opts.set(RBD_IMAGE_OPTION_DATA_POOL,
+ _other_pool_ioctx.get_pool_name().c_str()));
+ migrate(m_ioctx, m_image_name);
+
+ EXPECT_EQ(_other_pool_ioctx.get_id(), m_ictx->data_ctx.get_id());
+}
+
+TEST_F(TestMigration, SnapsShrinkAfterPrepare)
+{
+ test_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(m_ictx->size >> 1);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsShrinkToZeroBeforePrepare)
+{
+ test_snaps();
+ resize(0);
+
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsShrinkToZeroAfterPrepare)
+{
+ test_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(0);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsExpandAfterPrepare)
+{
+ test_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ auto size = m_ictx->size;
+ resize(size << 1);
+ write(size, 1000, '*');
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsExpandAfterPrepare2)
+{
+ auto size = m_ictx->size;
+
+ write(size >> 1, 10, 'X');
+ snap_create("snap1");
+ resize(size >> 1);
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ resize(size);
+ write(size >> 1, 5, 'Y');
+
+ compare("before execute");
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsSnapAfterPrepare)
+{
+ test_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ auto ictx = new librbd::ImageCtx(m_ictx->name.c_str(), "", "snap3", m_ioctx,
+ false);
+ ASSERT_EQ(0, ictx->state->open(0));
+ EXPECT_EQ(0, librbd::api::Image<>::snap_set(
+ m_ref_ictx, cls::rbd::UserSnapshotNamespace(), "snap3"));
+ compare_snaps("opened after prepare snap3", m_ref_ictx, ictx);
+ EXPECT_EQ(0, librbd::api::Image<>::snap_set(
+ m_ref_ictx, cls::rbd::UserSnapshotNamespace(), nullptr));
+ EXPECT_EQ(0, ictx->state->close());
+
+ snap_create("after_prepare_snap");
+ resize(m_ictx->size >> 1);
+ write(0, 1000, '*');
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapsSnapExpandAfterPrepare)
+{
+ test_snaps();
+
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ snap_create("after_prepare_snap");
+ auto size = m_ictx->size;
+ resize(size << 1);
+ write(size, 1000, '*');
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_EXECUTED);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, Clone)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+ test_clone();
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, CloneParent) {
+ REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+ snap_create("snap");
+
+ librbd::linked_image_spec_t expected_parent_image;
+ expected_parent_image.image_id = m_ictx->id;
+ expected_parent_image.image_name = m_ictx->name;
+
+ auto it = m_ictx->snap_ids.find({cls::rbd::UserSnapshotNamespace{}, "snap"});
+ ASSERT_TRUE(it != m_ictx->snap_ids.end());
+
+ librbd::snap_spec_t expected_parent_snap;
+ expected_parent_snap.id = it->second;
+
+ clone("snap");
+ migration_prepare(m_ioctx, m_image_name);
+
+ librbd::linked_image_spec_t parent_image;
+ librbd::snap_spec_t parent_snap;
+ ASSERT_EQ(0, librbd::api::Image<>::get_parent(m_ictx, &parent_image,
+ &parent_snap));
+ ASSERT_EQ(expected_parent_image.image_id, parent_image.image_id);
+ ASSERT_EQ(expected_parent_image.image_name, parent_image.image_name);
+ ASSERT_EQ(expected_parent_snap.id, parent_snap.id);
+
+ migration_abort(m_ioctx, m_image_name);
+}
+
+
+TEST_F(TestMigration, CloneUpdateAfterPrepare)
+{
+ REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+ write(0, 10, 'X');
+ snap_create("snap");
+ clone("snap");
+
+ migration_prepare(m_ioctx, m_image_name);
+
+ write(0, 1, 'Y');
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, TriggerAssertSnapcSeq)
+{
+ auto size = m_ictx->size;
+
+ write((size >> 1) + 0, 10, 'A');
+ snap_create("snap1");
+ write((size >> 1) + 1, 10, 'B');
+
+ migration_prepare(m_ioctx, m_image_name);
+
+ // copyup => deep copy (first time)
+ write((size >> 1) + 2, 10, 'C');
+
+ // preserve data before resizing
+ snap_create("snap2");
+
+ // decrease head overlap
+ resize(size >> 1);
+
+ // migrate object => deep copy (second time) => assert_snapc_seq => -ERANGE
+ migration_execute(m_ioctx, m_image_name);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, SnapTrimBeforePrepare)
+{
+ auto size = m_ictx->size;
+
+ write(size >> 1, 10, 'A');
+ snap_create("snap1");
+ resize(size >> 1);
+
+ migration_prepare(m_ioctx, m_image_name);
+
+ resize(size);
+ snap_create("snap3");
+ write(size >> 1, 10, 'B');
+ snap_create("snap4");
+ resize(size >> 1);
+
+ migration_execute(m_ioctx, m_image_name);
+ migration_commit(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, AbortInUseImage) {
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ librbd::NoOpProgressContext no_op;
+ EXPECT_EQ(-EBUSY, librbd::api::Migration<>::abort(m_ioctx, m_ictx->name,
+ no_op));
+}
+
+TEST_F(TestMigration, AbortWithoutSnapshots) {
+ test_no_snaps();
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+ test_no_snaps();
+ migration_abort(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, AbortWithSnapshots) {
+ test_snaps();
+ migration_prepare(m_ioctx, m_image_name);
+ migration_status(RBD_IMAGE_MIGRATION_STATE_PREPARED);
+
+ test_no_snaps();
+ flush();
+ ASSERT_EQ(0, TestFixture::snap_create(*m_ictx, "dst-only-snap"));
+
+ test_no_snaps();
+
+ migration_abort(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, CloneV1Parent)
+{
+ const uint32_t CLONE_FORMAT = 1;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *) {
+ migrate(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV2Parent)
+{
+ const uint32_t CLONE_FORMAT = 2;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *) {
+ migrate(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV1ParentAbort)
+{
+ const uint32_t CLONE_FORMAT = 1;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *) {
+ migration_prepare(m_ioctx, m_image_name);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV2ParentAbort)
+{
+ const uint32_t CLONE_FORMAT = 2;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *) {
+ migration_prepare(m_ioctx, m_image_name);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV1ParentAbortFixIncompleteChildReattach)
+{
+ const uint32_t CLONE_FORMAT = 1;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ migration_prepare(m_ioctx, m_image_name);
+ // Attach the child to both source and destination
+ // to emulate a crash when re-attaching the child
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond;
+ auto req = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], nullptr, 0,
+ CLONE_FORMAT, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV1ParentAbortFixParentReattach)
+{
+ const uint32_t CLONE_FORMAT = 1;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ migration_prepare(m_ioctx, m_image_name);
+ // Re-attach the child back to the source to emulate a crash
+ // after the parent reattach but before the child reattach
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond;
+ auto req = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], m_ictx,
+ m_ictx->snaps[0], CLONE_FORMAT, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV1ParentAbortRelinkNotNeeded)
+{
+ const uint32_t CLONE_FORMAT = 1;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ auto parent_spec = child_ictx->parent_md.spec;
+ parent_spec.image_id = m_ictx->id;
+ parent_spec.snap_id = m_ictx->snaps[0];
+ auto parent_overlap = child_ictx->parent_md.overlap;
+ migration_prepare(m_ioctx, m_image_name);
+ // Relink the child back to emulate a crash
+ // before relinking the child
+ C_SaferCond cond;
+ auto req = librbd::image::AttachParentRequest<>::create(
+ *child_ictx, parent_spec, parent_overlap, true, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond1;
+ auto req1 = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], m_ictx,
+ m_ictx->snaps[0], CLONE_FORMAT, &cond1);
+ req1->send();
+ ASSERT_EQ(0, cond1.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV2ParentAbortFixIncompleteChildReattach)
+{
+ const uint32_t CLONE_FORMAT = 2;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ migration_prepare(m_ioctx, m_image_name);
+ // Attach the child to both source and destination
+ // to emulate a crash when re-attaching the child
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond;
+ auto req = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], nullptr, 0,
+ CLONE_FORMAT, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV2ParentAbortFixParentReattach)
+{
+ const uint32_t CLONE_FORMAT = 2;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ migration_prepare(m_ioctx, m_image_name);
+ // Re-attach the child back to the source to emulate a crash
+ // after the parent reattach but before the child reattach
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond;
+ auto req = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], m_ictx,
+ m_ictx->snaps[0], CLONE_FORMAT, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, CloneV2ParentAbortRelinkNotNeeded)
+{
+ const uint32_t CLONE_FORMAT = 2;
+ test_migrate_parent(
+ CLONE_FORMAT, [this](librbd::ImageCtx *child_ictx) {
+ auto src_image_id = m_ictx->id;
+ auto parent_spec = child_ictx->parent_md.spec;
+ parent_spec.image_id = m_ictx->id;
+ parent_spec.snap_id = m_ictx->snaps[0];
+ auto parent_overlap = child_ictx->parent_md.overlap;
+ migration_prepare(m_ioctx, m_image_name);
+ // Relink the child back to emulate a crash
+ // before relinking the child
+ C_SaferCond cond;
+ auto req = librbd::image::AttachParentRequest<>::create(
+ *child_ictx, parent_spec, parent_overlap, true, &cond);
+ req->send();
+ ASSERT_EQ(0, cond.wait());
+ librbd::ImageCtx *src_ictx;
+ open_image(m_ioctx, "", src_image_id, false,
+ librbd::OPEN_FLAG_IGNORE_MIGRATING, &src_ictx);
+ C_SaferCond cond1;
+ auto req1 = librbd::image::AttachChildRequest<>::create(
+ child_ictx, src_ictx, src_ictx->snaps[0], m_ictx,
+ m_ictx->snaps[0], CLONE_FORMAT, &cond1);
+ req1->send();
+ ASSERT_EQ(0, cond1.wait());
+ close_image(src_ictx);
+ migration_abort(m_ioctx, m_image_name);
+ });
+}
+
+TEST_F(TestMigration, StressNoMigrate)
+{
+ test_stress();
+
+ compare();
+}
+
+TEST_F(TestMigration, Stress)
+{
+ test_stress();
+
+ migrate(m_ioctx, m_image_name);
+}
+
+TEST_F(TestMigration, Stress2)
+{
+ test_stress2(false);
+}
+
+TEST_F(TestMigration, StressLive)
+{
+ test_stress2(true);
+}
+
+} // namespace librbd
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