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-rw-r--r--src/test/objectstore/test_kv.cc502
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diff --git a/src/test/objectstore/test_kv.cc b/src/test/objectstore/test_kv.cc
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+++ b/src/test/objectstore/test_kv.cc
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+// -*- 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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <iostream>
+#include <time.h>
+#include <sys/mount.h>
+#include "kv/KeyValueDB.h"
+#include "include/Context.h"
+#include "common/ceph_argparse.h"
+#include "global/global_init.h"
+#include "common/Mutex.h"
+#include "common/Cond.h"
+#include "common/errno.h"
+#include "include/stringify.h"
+#include <gtest/gtest.h>
+
+#if GTEST_HAS_PARAM_TEST
+
+class KVTest : public ::testing::TestWithParam<const char*> {
+public:
+ boost::scoped_ptr<KeyValueDB> db;
+
+ KVTest() : db(0) {}
+
+ string _bl_to_str(bufferlist val) {
+ string str(val.c_str(), val.length());
+ return str;
+ }
+
+ void rm_r(string path) {
+ string cmd = string("rm -r ") + path;
+ cout << "==> " << cmd << std::endl;
+ int r = ::system(cmd.c_str());
+ if (r) {
+ cerr << "failed with exit code " << r
+ << ", continuing anyway" << std::endl;
+ }
+ }
+
+ void init() {
+ cout << "Creating " << string(GetParam()) << "\n";
+ db.reset(KeyValueDB::create(g_ceph_context, string(GetParam()),
+ "kv_test_temp_dir"));
+ }
+ void fini() {
+ db.reset(NULL);
+ }
+
+ void SetUp() override {
+ int r = ::mkdir("kv_test_temp_dir", 0777);
+ if (r < 0 && errno != EEXIST) {
+ r = -errno;
+ cerr << __func__ << ": unable to create kv_test_temp_dir: "
+ << cpp_strerror(r) << std::endl;
+ return;
+ }
+ init();
+ }
+ void TearDown() override {
+ fini();
+ rm_r("kv_test_temp_dir");
+ }
+};
+
+TEST_P(KVTest, OpenClose) {
+ ASSERT_EQ(0, db->create_and_open(cout));
+ fini();
+}
+
+TEST_P(KVTest, OpenCloseReopenClose) {
+ ASSERT_EQ(0, db->create_and_open(cout));
+ fini();
+ init();
+ ASSERT_EQ(0, db->open(cout));
+ fini();
+}
+
+/*
+ * Basic write and read test case in same database session.
+ */
+TEST_P(KVTest, OpenWriteRead) {
+ ASSERT_EQ(0, db->create_and_open(cout));
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist value;
+ value.append("value");
+ t->set("prefix", "key", value);
+ value.clear();
+ value.append("value2");
+ t->set("prefix", "key2", value);
+ value.clear();
+ value.append("value3");
+ t->set("prefix", "key3", value);
+ db->submit_transaction_sync(t);
+
+ bufferlist v1, v2;
+ ASSERT_EQ(0, db->get("prefix", "key", &v1));
+ ASSERT_EQ(v1.length(), 5u);
+ (v1.c_str())[v1.length()] = 0x0;
+ ASSERT_EQ(std::string(v1.c_str()), std::string("value"));
+ ASSERT_EQ(0, db->get("prefix", "key2", &v2));
+ ASSERT_EQ(v2.length(), 6u);
+ (v2.c_str())[v2.length()] = 0x0;
+ ASSERT_EQ(std::string(v2.c_str()), std::string("value2"));
+ }
+ fini();
+}
+
+TEST_P(KVTest, PutReopen) {
+ ASSERT_EQ(0, db->create_and_open(cout));
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist value;
+ value.append("value");
+ t->set("prefix", "key", value);
+ t->set("prefix", "key2", value);
+ t->set("prefix", "key3", value);
+ db->submit_transaction_sync(t);
+ }
+ fini();
+
+ init();
+ ASSERT_EQ(0, db->open(cout));
+ {
+ bufferlist v1, v2;
+ ASSERT_EQ(0, db->get("prefix", "key", &v1));
+ ASSERT_EQ(v1.length(), 5u);
+ ASSERT_EQ(0, db->get("prefix", "key2", &v2));
+ ASSERT_EQ(v2.length(), 5u);
+ }
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->rmkey("prefix", "key");
+ t->rmkey("prefix", "key3");
+ db->submit_transaction_sync(t);
+ }
+ fini();
+
+ init();
+ ASSERT_EQ(0, db->open(cout));
+ {
+ bufferlist v1, v2, v3;
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key", &v1));
+ ASSERT_EQ(0, db->get("prefix", "key2", &v2));
+ ASSERT_EQ(v2.length(), 5u);
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key3", &v3));
+ }
+ fini();
+}
+
+TEST_P(KVTest, BenchCommit) {
+ int n = 1024;
+ ASSERT_EQ(0, db->create_and_open(cout));
+ utime_t start = ceph_clock_now();
+ {
+ cout << "priming" << std::endl;
+ // prime
+ bufferlist big;
+ bufferptr bp(1048576);
+ bp.zero();
+ big.append(bp);
+ for (int i=0; i<30; ++i) {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->set("prefix", "big" + stringify(i), big);
+ db->submit_transaction_sync(t);
+ }
+ }
+ cout << "now doing small writes" << std::endl;
+ bufferlist data;
+ bufferptr bp(1024);
+ bp.zero();
+ data.append(bp);
+ for (int i=0; i<n; ++i) {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->set("prefix", "key" + stringify(i), data);
+ db->submit_transaction_sync(t);
+ }
+ utime_t end = ceph_clock_now();
+ utime_t dur = end - start;
+ cout << n << " commits in " << dur << ", avg latency " << (dur / (double)n)
+ << std::endl;
+ fini();
+}
+
+struct AppendMOP : public KeyValueDB::MergeOperator {
+ void merge_nonexistent(
+ const char *rdata, size_t rlen, std::string *new_value) override {
+ *new_value = "?" + std::string(rdata, rlen);
+ }
+ void merge(
+ const char *ldata, size_t llen,
+ const char *rdata, size_t rlen,
+ std::string *new_value) override {
+ *new_value = std::string(ldata, llen) + std::string(rdata, rlen);
+ }
+ // We use each operator name and each prefix to construct the
+ // overall RocksDB operator name for consistency check at open time.
+ const char *name() const override {
+ return "Append";
+ }
+};
+
+string tostr(bufferlist& b) {
+ return string(b.c_str(),b.length());
+}
+
+TEST_P(KVTest, Merge) {
+ shared_ptr<KeyValueDB::MergeOperator> p(new AppendMOP);
+ int r = db->set_merge_operator("A",p);
+ if (r < 0)
+ return; // No merge operators for this database type
+ ASSERT_EQ(0, db->create_and_open(cout));
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist v1, v2, v3;
+ v1.append(string("1"));
+ v2.append(string("2"));
+ v3.append(string("3"));
+ t->set("P", "K1", v1);
+ t->set("A", "A1", v2);
+ t->rmkey("A", "A2");
+ t->merge("A", "A2", v3);
+ db->submit_transaction_sync(t);
+ }
+ {
+ bufferlist v1, v2, v3;
+ ASSERT_EQ(0, db->get("P", "K1", &v1));
+ ASSERT_EQ(tostr(v1), "1");
+ ASSERT_EQ(0, db->get("A", "A1", &v2));
+ ASSERT_EQ(tostr(v2), "2");
+ ASSERT_EQ(0, db->get("A", "A2", &v3));
+ ASSERT_EQ(tostr(v3), "?3");
+ }
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist v1;
+ v1.append(string("1"));
+ t->merge("A", "A2", v1);
+ db->submit_transaction_sync(t);
+ }
+ {
+ bufferlist v;
+ ASSERT_EQ(0, db->get("A", "A2", &v));
+ ASSERT_EQ(tostr(v), "?31");
+ }
+ fini();
+}
+
+TEST_P(KVTest, RMRange) {
+ ASSERT_EQ(0, db->create_and_open(cout));
+ bufferlist value;
+ value.append("value");
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->set("prefix", "key1", value);
+ t->set("prefix", "key2", value);
+ t->set("prefix", "key3", value);
+ t->set("prefix", "key4", value);
+ t->set("prefix", "key45", value);
+ t->set("prefix", "key5", value);
+ t->set("prefix", "key6", value);
+ db->submit_transaction_sync(t);
+ }
+
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->set("prefix", "key7", value);
+ t->set("prefix", "key8", value);
+ t->rm_range_keys("prefix", "key2", "key7");
+ db->submit_transaction_sync(t);
+ bufferlist v1, v2;
+ ASSERT_EQ(0, db->get("prefix", "key1", &v1));
+ v1.clear();
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key45", &v1));
+ ASSERT_EQ(0, db->get("prefix", "key8", &v1));
+ v1.clear();
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key2", &v1));
+ ASSERT_EQ(0, db->get("prefix", "key7", &v2));
+ }
+
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->rm_range_keys("prefix", "key", "key");
+ db->submit_transaction_sync(t);
+ bufferlist v1, v2;
+ ASSERT_EQ(0, db->get("prefix", "key1", &v1));
+ ASSERT_EQ(0, db->get("prefix", "key8", &v2));
+ }
+
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->rm_range_keys("prefix", "key-", "key~");
+ db->submit_transaction_sync(t);
+ bufferlist v1, v2;
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key1", &v1));
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key8", &v2));
+ }
+
+ fini();
+}
+
+TEST_P(KVTest, RocksDBColumnFamilyTest) {
+ if(string(GetParam()) != "rocksdb")
+ return;
+
+ std::vector<KeyValueDB::ColumnFamily> cfs;
+ cfs.push_back(KeyValueDB::ColumnFamily("cf1", ""));
+ cfs.push_back(KeyValueDB::ColumnFamily("cf2", ""));
+ ASSERT_EQ(0, db->init(g_conf()->bluestore_rocksdb_options));
+ cout << "creating two column families and opening them" << std::endl;
+ ASSERT_EQ(0, db->create_and_open(cout, cfs));
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist value;
+ value.append("value");
+ cout << "write a transaction includes three keys in different CFs" << std::endl;
+ t->set("prefix", "key", value);
+ t->set("cf1", "key", value);
+ t->set("cf2", "key2", value);
+ ASSERT_EQ(0, db->submit_transaction_sync(t));
+ }
+ fini();
+
+ init();
+ ASSERT_EQ(0, db->open(cout, cfs));
+ {
+ bufferlist v1, v2, v3;
+ cout << "reopen db and read those keys" << std::endl;
+ ASSERT_EQ(0, db->get("prefix", "key", &v1));
+ ASSERT_EQ(0, _bl_to_str(v1) != "value");
+ ASSERT_EQ(0, db->get("cf1", "key", &v2));
+ ASSERT_EQ(0, _bl_to_str(v2) != "value");
+ ASSERT_EQ(0, db->get("cf2", "key2", &v3));
+ ASSERT_EQ(0, _bl_to_str(v2) != "value");
+ }
+ {
+ cout << "delete two keys in CFs" << std::endl;
+ KeyValueDB::Transaction t = db->get_transaction();
+ t->rmkey("prefix", "key");
+ t->rmkey("cf2", "key2");
+ ASSERT_EQ(0, db->submit_transaction_sync(t));
+ }
+ fini();
+
+ init();
+ ASSERT_EQ(0, db->open(cout, cfs));
+ {
+ cout << "reopen db and read keys again." << std::endl;
+ bufferlist v1, v2, v3;
+ ASSERT_EQ(-ENOENT, db->get("prefix", "key", &v1));
+ ASSERT_EQ(0, db->get("cf1", "key", &v2));
+ ASSERT_EQ(0, _bl_to_str(v2) != "value");
+ ASSERT_EQ(-ENOENT, db->get("cf2", "key2", &v3));
+ }
+ fini();
+}
+
+TEST_P(KVTest, RocksDBIteratorTest) {
+ if(string(GetParam()) != "rocksdb")
+ return;
+
+ std::vector<KeyValueDB::ColumnFamily> cfs;
+ cfs.push_back(KeyValueDB::ColumnFamily("cf1", ""));
+ ASSERT_EQ(0, db->init(g_conf()->bluestore_rocksdb_options));
+ cout << "creating one column family and opening it" << std::endl;
+ ASSERT_EQ(0, db->create_and_open(cout, cfs));
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist bl1;
+ bl1.append("hello");
+ bufferlist bl2;
+ bl2.append("world");
+ cout << "write some kv pairs into default and new CFs" << std::endl;
+ t->set("prefix", "key1", bl1);
+ t->set("prefix", "key2", bl2);
+ t->set("cf1", "key1", bl1);
+ t->set("cf1", "key2", bl2);
+ ASSERT_EQ(0, db->submit_transaction_sync(t));
+ }
+ {
+ cout << "iterating the default CF" << std::endl;
+ KeyValueDB::Iterator iter = db->get_iterator("prefix");
+ iter->seek_to_first();
+ ASSERT_EQ(1, iter->valid());
+ ASSERT_EQ("key1", iter->key());
+ ASSERT_EQ("hello", _bl_to_str(iter->value()));
+ ASSERT_EQ(0, iter->next());
+ ASSERT_EQ(1, iter->valid());
+ ASSERT_EQ("key2", iter->key());
+ ASSERT_EQ("world", _bl_to_str(iter->value()));
+ }
+ {
+ cout << "iterating the new CF" << std::endl;
+ KeyValueDB::Iterator iter = db->get_iterator("cf1");
+ iter->seek_to_first();
+ ASSERT_EQ(1, iter->valid());
+ ASSERT_EQ("key1", iter->key());
+ ASSERT_EQ("hello", _bl_to_str(iter->value()));
+ ASSERT_EQ(0, iter->next());
+ ASSERT_EQ(1, iter->valid());
+ ASSERT_EQ("key2", iter->key());
+ ASSERT_EQ("world", _bl_to_str(iter->value()));
+ }
+ fini();
+}
+
+TEST_P(KVTest, RocksDBCFMerge) {
+ if(string(GetParam()) != "rocksdb")
+ return;
+
+ shared_ptr<KeyValueDB::MergeOperator> p(new AppendMOP);
+ int r = db->set_merge_operator("cf1",p);
+ if (r < 0)
+ return; // No merge operators for this database type
+ std::vector<KeyValueDB::ColumnFamily> cfs;
+ cfs.push_back(KeyValueDB::ColumnFamily("cf1", ""));
+ ASSERT_EQ(0, db->init(g_conf()->bluestore_rocksdb_options));
+ cout << "creating one column family and opening it" << std::endl;
+ ASSERT_EQ(0, db->create_and_open(cout, cfs));
+
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist v1, v2, v3;
+ v1.append(string("1"));
+ v2.append(string("2"));
+ v3.append(string("3"));
+ t->set("P", "K1", v1);
+ t->set("cf1", "A1", v2);
+ t->rmkey("cf1", "A2");
+ t->merge("cf1", "A2", v3);
+ db->submit_transaction_sync(t);
+ }
+ {
+ bufferlist v1, v2, v3;
+ ASSERT_EQ(0, db->get("P", "K1", &v1));
+ ASSERT_EQ(tostr(v1), "1");
+ ASSERT_EQ(0, db->get("cf1", "A1", &v2));
+ ASSERT_EQ(tostr(v2), "2");
+ ASSERT_EQ(0, db->get("cf1", "A2", &v3));
+ ASSERT_EQ(tostr(v3), "?3");
+ }
+ {
+ KeyValueDB::Transaction t = db->get_transaction();
+ bufferlist v1;
+ v1.append(string("1"));
+ t->merge("cf1", "A2", v1);
+ db->submit_transaction_sync(t);
+ }
+ {
+ bufferlist v;
+ ASSERT_EQ(0, db->get("cf1", "A2", &v));
+ ASSERT_EQ(tostr(v), "?31");
+ }
+ fini();
+}
+
+INSTANTIATE_TEST_CASE_P(
+ KeyValueDB,
+ KVTest,
+ ::testing::Values("leveldb", "rocksdb", "memdb"));
+
+#else
+
+// Google Test may not support value-parameterized tests with some
+// compilers. If we use conditional compilation to compile out all
+// code referring to the gtest_main library, MSVC linker will not link
+// that library at all and consequently complain about missing entry
+// point defined in that library (fatal error LNK1561: entry point
+// must be defined). This dummy test keeps gtest_main linked in.
+TEST(DummyTest, ValueParameterizedTestsAreNotSupportedOnThisPlatform) {}
+
+#endif
+
+int main(int argc, char **argv) {
+ vector<const char*> args;
+ argv_to_vec(argc, (const char **)argv, args);
+
+ auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+ CODE_ENVIRONMENT_UTILITY,
+ CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+ common_init_finish(g_ceph_context);
+ g_ceph_context->_conf.set_val(
+ "enable_experimental_unrecoverable_data_corrupting_features",
+ "rocksdb, memdb");
+ g_ceph_context->_conf.apply_changes(nullptr);
+
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
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