| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| #include "kudu/fs/block_manager_util.h" |
| |
| #include <string> |
| #include <vector> |
| |
| #include <google/protobuf/repeated_field.h> |
| #include <gtest/gtest.h> |
| |
| #include "kudu/fs/fs.pb.h" |
| #include "kudu/gutil/stl_util.h" |
| #include "kudu/gutil/strings/substitute.h" |
| #include "kudu/util/path_util.h" |
| #include "kudu/util/test_util.h" |
| |
| namespace kudu { |
| namespace fs { |
| |
| using google::protobuf::RepeatedPtrField; |
| using std::string; |
| using std::vector; |
| using strings::Substitute; |
| |
| TEST_F(KuduTest, Lifecycle) { |
| string kType = "asdf"; |
| string kFileName = JoinPathSegments(GetTestDataDirectory(), "foo"); |
| string kUuid = "a_uuid"; |
| |
| // Test that the metadata file was created. |
| { |
| PathInstanceMetadataFile file(env_.get(), kType, kFileName); |
| ASSERT_OK(file.Create(kUuid, { kUuid })); |
| } |
| ASSERT_TRUE(env_->FileExists(kFileName)); |
| |
| // Test that we could open and parse it. |
| { |
| PathInstanceMetadataFile file(env_.get(), kType, kFileName); |
| ASSERT_OK(file.LoadFromDisk()); |
| PathInstanceMetadataPB* md = file.metadata(); |
| ASSERT_EQ(kType, md->block_manager_type()); |
| const PathSetPB& path_set = md->path_set(); |
| ASSERT_EQ(kUuid, path_set.uuid()); |
| ASSERT_EQ(1, path_set.all_uuids_size()); |
| ASSERT_EQ(kUuid, path_set.all_uuids(0)); |
| } |
| |
| // Test that expecting a different type of block manager fails. |
| { |
| PathInstanceMetadataFile file(env_.get(), "other type", kFileName); |
| PathInstanceMetadataPB pb; |
| ASSERT_TRUE(file.LoadFromDisk().IsIOError()); |
| } |
| } |
| |
| TEST_F(KuduTest, Locking) { |
| string kType = "asdf"; |
| string kFileName = JoinPathSegments(GetTestDataDirectory(), "foo"); |
| string kUuid = "a_uuid"; |
| |
| PathInstanceMetadataFile file(env_.get(), kType, kFileName); |
| ASSERT_OK(file.Create(kUuid, { kUuid })); |
| |
| PathInstanceMetadataFile first(env_.get(), kType, kFileName); |
| ASSERT_OK(first.LoadFromDisk()); |
| ASSERT_OK(first.Lock()); |
| |
| ASSERT_DEATH({ |
| PathInstanceMetadataFile second(env_.get(), kType, kFileName); |
| CHECK_OK(second.LoadFromDisk()); |
| CHECK_OK(second.Lock()); |
| }, "Could not lock"); |
| |
| ASSERT_OK(first.Unlock()); |
| ASSERT_DEATH({ |
| PathInstanceMetadataFile second(env_.get(), kType, kFileName); |
| CHECK_OK(second.LoadFromDisk()); |
| Status s = second.Lock(); |
| if (s.ok()) { |
| LOG(FATAL) << "Lock successfully acquired"; |
| } else { |
| LOG(FATAL) << "Could not lock: " << s.ToString(); |
| } |
| }, "Lock successfully acquired"); |
| } |
| |
| static void RunCheckIntegrityTest(Env* env, |
| const vector<PathSetPB>& path_sets, |
| const string& expected_status_string) { |
| vector<PathInstanceMetadataFile*> instances; |
| ElementDeleter deleter(&instances); |
| |
| int i = 0; |
| for (const PathSetPB& ps : path_sets) { |
| gscoped_ptr<PathInstanceMetadataFile> instance( |
| new PathInstanceMetadataFile(env, "asdf", Substitute("$0", i))); |
| gscoped_ptr<PathInstanceMetadataPB> metadata(new PathInstanceMetadataPB()); |
| metadata->set_block_manager_type("asdf"); |
| metadata->set_filesystem_block_size_bytes(1); |
| metadata->mutable_path_set()->CopyFrom(ps); |
| instance->SetMetadataForTests(std::move(metadata)); |
| instances.push_back(instance.release()); |
| i++; |
| } |
| |
| EXPECT_EQ(expected_status_string, |
| PathInstanceMetadataFile::CheckIntegrity(instances).ToString()); |
| } |
| |
| TEST_F(KuduTest, CheckIntegrity) { |
| vector<string> uuids = { "fee", "fi", "fo", "fum" }; |
| RepeatedPtrField<string> kAllUuids(uuids.begin(), uuids.end()); |
| |
| // Initialize path_sets to be fully consistent. |
| vector<PathSetPB> path_sets(kAllUuids.size()); |
| for (int i = 0; i < path_sets.size(); i++) { |
| PathSetPB& ps = path_sets[i]; |
| ps.set_uuid(kAllUuids.Get(i)); |
| ps.mutable_all_uuids()->CopyFrom(kAllUuids); |
| } |
| |
| { |
| // Test consistent path sets. |
| EXPECT_NO_FATAL_FAILURE(RunCheckIntegrityTest(env_.get(), path_sets, "OK")); |
| } |
| { |
| // Test where two path sets claim the same UUID. |
| vector<PathSetPB> path_sets_copy(path_sets); |
| path_sets_copy[1].set_uuid(path_sets_copy[0].uuid()); |
| EXPECT_NO_FATAL_FAILURE(RunCheckIntegrityTest( |
| env_.get(), path_sets_copy, |
| "IO error: File 1 claimed uuid fee already claimed by file 0")); |
| } |
| { |
| // Test where the path sets have duplicate UUIDs. |
| vector<PathSetPB> path_sets_copy(path_sets); |
| for (PathSetPB& ps : path_sets_copy) { |
| ps.add_all_uuids("fee"); |
| } |
| EXPECT_NO_FATAL_FAILURE(RunCheckIntegrityTest( |
| env_.get(), path_sets_copy, |
| "IO error: File 0 has duplicate uuids: fee,fi,fo,fum,fee")); |
| } |
| { |
| // Test where a path set claims a UUID that isn't in all_uuids. |
| vector<PathSetPB> path_sets_copy(path_sets); |
| path_sets_copy[1].set_uuid("something_else"); |
| EXPECT_NO_FATAL_FAILURE(RunCheckIntegrityTest( |
| env_.get(), path_sets_copy, |
| "IO error: File 1 claimed uuid something_else which is not in " |
| "all_uuids (fee,fi,fo,fum)")); |
| } |
| { |
| // Test where a path set claims a different all_uuids. |
| vector<PathSetPB> path_sets_copy(path_sets); |
| path_sets_copy[1].add_all_uuids("another_uuid"); |
| EXPECT_NO_FATAL_FAILURE(RunCheckIntegrityTest( |
| env_.get(), path_sets_copy, |
| "IO error: File 1 claimed all_uuids fee,fi,fo,fum,another_uuid but " |
| "file 0 claimed all_uuids fee,fi,fo,fum")); |
| } |
| } |
| |
| } // namespace fs |
| } // namespace kudu |