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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include <memory>
#include "mongo/client/remote_command_targeter_mock.h"
#include "mongo/db/s/balancer/type_migration.h"
#include "mongo/db/write_concern_options.h"
#include "mongo/s/catalog/dist_lock_manager_mock.h"
#include "mongo/s/catalog/type_collection.h"
#include "mongo/s/catalog/type_database.h"
#include "mongo/s/catalog/type_locks.h"
#include "mongo/s/catalog/type_shard.h"
#include "mongo/s/catalog/type_tags.h"
#include "mongo/s/config_server_test_fixture.h"
#include "mongo/s/database_version_helpers.h"
namespace mongo {
using executor::RemoteCommandRequest;
using executor::RemoteCommandResponse;
using std::vector;
using unittest::assertGet;
class MigrationTestFixture : public ConfigServerTestFixture {
protected:
void setUp() override;
/**
* Returns the mock targeter for the specified shard. Useful to use like so
*
* shardTargeterMock(opCtx, shardId)->setFindHostReturnValue(shardHost);
*
* Then calls to RemoteCommandTargeterMock::findHost will return HostAndPort "shardHost" for
* Shard "shardId".
*
* Scheduling a command requires a shard host target. The command will be caught by the mock
* network, but sending the command requires finding the shard's host.
*/
std::shared_ptr<RemoteCommandTargeterMock> shardTargeterMock(OperationContext* opCtx,
ShardId shardId);
/**
* Inserts a document into the config.databases collection to indicate that "dbName" is sharded
* with primary "primaryShard".
*/
void setUpDatabase(const std::string& dbName, const ShardId primaryShard);
/**
* Inserts a document into the config.collections collection to indicate that "collName" is
* sharded with version "version". The shard key pattern defaults to "_id".
*/
void setUpCollection(const NamespaceString& collName, ChunkVersion version);
/**
* Inserts a document into the config.chunks collection so that the chunk defined by the
* parameters exists. Returns a ChunkType defined by the parameters.
*/
ChunkType setUpChunk(const NamespaceString& collName,
const BSONObj& chunkMin,
const BSONObj& chunkMax,
const ShardId& shardId,
const ChunkVersion& version);
/**
* Inserts a document into the config.tags collection so that the tag defined by the
* parameters exists.
*/
void setUpTags(const NamespaceString& collName, const StringMap<ChunkRange>& tagChunkRanges);
/**
* Removes all document in the given config collection for the collection.
*/
void removeAllDocs(const NamespaceString& configNS, const NamespaceString& collName);
/**
* Removes all document in the config.tags for the collection.
*/
void removeAllTags(const NamespaceString& collName);
/**
* Removes all document in the config.chunks for the collection.
*/
void removeAllChunks(const NamespaceString& collName);
/**
* Inserts a document into the config.migrations collection as an active migration.
*/
void setUpMigration(const ChunkType& chunk, const ShardId& toShard);
/**
* Asserts that config.migrations is empty and config.locks contains no locked documents other
* than the balancer's, both of which should be true if the MigrationManager is inactive and
* behaving properly.
*/
void checkMigrationsCollectionIsEmptyAndLocksAreUnlocked();
// Random static initialization order can result in X constructor running before Y constructor
// if X and Y are defined in different source files. Defining variables here to enforce order.
const ShardId kShardId0 = ShardId("shard0");
const ShardId kShardId1 = ShardId("shard1");
const ShardId kShardId2 = ShardId("shard2");
const ShardId kShardId3 = ShardId("shard3");
const HostAndPort kShardHost0 = HostAndPort("TestHost0", 12345);
const HostAndPort kShardHost1 = HostAndPort("TestHost1", 12346);
const HostAndPort kShardHost2 = HostAndPort("TestHost2", 12347);
const HostAndPort kShardHost3 = HostAndPort("TestHost3", 12348);
const long long kMaxSizeMB = 100;
const BSONObj kShard0 =
BSON(ShardType::name(kShardId0.toString())
<< ShardType::host(kShardHost0.toString()) << ShardType::maxSizeMB(kMaxSizeMB));
const BSONObj kShard1 =
BSON(ShardType::name(kShardId1.toString())
<< ShardType::host(kShardHost1.toString()) << ShardType::maxSizeMB(kMaxSizeMB));
const BSONObj kShard2 =
BSON(ShardType::name(kShardId2.toString())
<< ShardType::host(kShardHost2.toString()) << ShardType::maxSizeMB(kMaxSizeMB));
const BSONObj kShard3 =
BSON(ShardType::name(kShardId3.toString())
<< ShardType::host(kShardHost3.toString()) << ShardType::maxSizeMB(kMaxSizeMB));
const std::string kPattern = "_id";
const KeyPattern kKeyPattern = KeyPattern(BSON(kPattern << 1));
const WriteConcernOptions kMajorityWriteConcern = WriteConcernOptions(
WriteConcernOptions::kMajority, WriteConcernOptions::SyncMode::UNSET, Seconds(15));
};
} // namespace mongo
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