| // Copyright 2015 Cloudera, Inc. |
| // |
| // Licensed 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. |
| |
| #ifndef KUDU_INTEGRATION_TESTS_CLUSTER_EXTERNAL_MINI_CLUSTER_FS_INSPECTOR_H_ |
| #define KUDU_INTEGRATION_TESTS_CLUSTER_EXTERNAL_MINI_CLUSTER_FS_INSPECTOR_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "kudu/gutil/macros.h" |
| #include "kudu/tablet/metadata.pb.h" |
| #include "kudu/util/monotime.h" |
| |
| namespace kudu { |
| class Env; |
| class ExternalMiniCluster; |
| class Status; |
| |
| namespace consensus { |
| class ConsensusMetadataPB; |
| } |
| |
| namespace tablet { |
| class TabletSuperBlockPB; |
| } |
| |
| namespace itest { |
| |
| // Utility class that digs around in a tablet server's data directory and |
| // provides methods useful for integration testing. This class must outlive |
| // the Env and ExternalMiniCluster objects that are passed into it. |
| class ExternalMiniClusterFsInspector { |
| public: |
| // Does not take ownership of the ExternalMiniCluster pointer. |
| explicit ExternalMiniClusterFsInspector(ExternalMiniCluster* cluster); |
| ~ExternalMiniClusterFsInspector(); |
| |
| Status ListFilesInDir(const std::string& path, std::vector<std::string>* entries); |
| int CountFilesInDir(const std::string& path); |
| int CountWALSegmentsOnTS(int index); |
| std::vector<std::string> ListTabletsOnTS(int index); |
| int CountWALSegmentsForTabletOnTS(int index, const std::string& tablet_id); |
| bool DoesConsensusMetaExistForTabletOnTS(int index, const std::string& tablet_id); |
| |
| int CountReplicasInMetadataDirs(); |
| Status CheckNoDataOnTS(int index); |
| Status CheckNoData(); |
| |
| Status ReadTabletSuperBlockOnTS(int index, const std::string& tablet_id, |
| tablet::TabletSuperBlockPB* sb); |
| Status ReadConsensusMetadataOnTS(int index, const std::string& tablet_id, |
| consensus::ConsensusMetadataPB* cmeta_pb); |
| Status CheckTabletDataStateOnTS(int index, |
| const std::string& tablet_id, |
| tablet::TabletDataState state); |
| |
| Status WaitForNoData(const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| Status WaitForNoDataOnTS(int index, const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| Status WaitForMinFilesInTabletWalDirOnTS(int index, |
| const std::string& tablet_id, |
| int count, |
| const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| Status WaitForReplicaCount(int expected, const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| Status WaitForTabletDataStateOnTS(int index, |
| const std::string& tablet_id, |
| tablet::TabletDataState data_state, |
| const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| |
| // Loop and check for certain filenames in the WAL directory of the specified |
| // tablet. This function returns OK if we reach a state where: |
| // * For each string in 'substrings_required', we find *at least one file* |
| // whose name contains that string, and: |
| // * For each string in 'substrings_disallowed', we find *no files* whose name |
| // contains that string, even if the file also matches a string in the |
| // 'substrings_required'. |
| Status WaitForFilePatternInTabletWalDirOnTs( |
| int ts_index, |
| const std::string& tablet_id, |
| const std::vector<std::string>& substrings_required, |
| const std::vector<std::string>& substrings_disallowed, |
| const MonoDelta& timeout = MonoDelta::FromSeconds(30)); |
| |
| private: |
| Env* const env_; |
| ExternalMiniCluster* const cluster_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ExternalMiniClusterFsInspector); |
| }; |
| |
| } // namespace itest |
| } // namespace kudu |
| |
| #endif // KUDU_INTEGRATION_TESTS_CLUSTER_EXTERNAL_MINI_CLUSTER_FS_INSPECTOR_H_ |