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/**
* Copyright (C) 2016 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/bson/bsonmisc.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/client.h"
#include "mongo/db/s/active_migrations_registry.h"
#include "mongo/db/service_context_d_test_fixture.h"
#include "mongo/s/request_types/move_chunk_request.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
using unittest::assertGet;
class MoveChunkRegistration : public ServiceContextMongoDTest {
protected:
ActiveMigrationsRegistry _registry;
};
MoveChunkRequest createMoveChunkRequest(const NamespaceString& nss) {
const ChunkVersion chunkVersion(1, 2, OID::gen());
BSONObjBuilder builder;
MoveChunkRequest::appendAsCommand(
&builder,
nss,
chunkVersion,
assertGet(ConnectionString::parse("TestConfigRS/CS1:12345,CS2:12345,CS3:12345")),
ShardId("shard0001"),
ShardId("shard0002"),
ChunkRange(BSON("Key" << -100), BSON("Key" << 100)),
1024,
MigrationSecondaryThrottleOptions::create(MigrationSecondaryThrottleOptions::kOff),
true);
return assertGet(MoveChunkRequest::createFromCommand(nss, builder.obj()));
}
TEST_F(MoveChunkRegistration, ScopedDonateChunkMoveConstructorAndAssignment) {
auto originalScopedDonateChunk = assertGet(_registry.registerDonateChunk(
createMoveChunkRequest(NamespaceString("TestDB", "TestColl"))));
ASSERT(originalScopedDonateChunk.mustExecute());
ScopedDonateChunk movedScopedDonateChunk(std::move(originalScopedDonateChunk));
ASSERT(movedScopedDonateChunk.mustExecute());
originalScopedDonateChunk = std::move(movedScopedDonateChunk);
ASSERT(originalScopedDonateChunk.mustExecute());
// Need to signal the registered migration so the destructor doesn't invariant
originalScopedDonateChunk.signalComplete(Status::OK());
}
TEST_F(MoveChunkRegistration, GetActiveMigrationNamespace) {
ASSERT(!_registry.getActiveDonateChunkNss());
const NamespaceString nss("TestDB", "TestColl");
auto originalScopedDonateChunk =
assertGet(_registry.registerDonateChunk(createMoveChunkRequest(nss)));
ASSERT_EQ(nss.ns(), _registry.getActiveDonateChunkNss()->ns());
// Need to signal the registered migration so the destructor doesn't invariant
originalScopedDonateChunk.signalComplete(Status::OK());
}
TEST_F(MoveChunkRegistration, SecondMigrationReturnsConflictingOperationInProgress) {
auto originalScopedDonateChunk = assertGet(_registry.registerDonateChunk(
createMoveChunkRequest(NamespaceString("TestDB", "TestColl1"))));
auto secondScopedDonateChunkStatus = _registry.registerDonateChunk(
createMoveChunkRequest(NamespaceString("TestDB", "TestColl2")));
ASSERT_EQ(ErrorCodes::ConflictingOperationInProgress,
secondScopedDonateChunkStatus.getStatus());
originalScopedDonateChunk.signalComplete(Status::OK());
}
TEST_F(MoveChunkRegistration, SecondMigrationWithSameArgumentsJoinsFirst) {
auto originalScopedDonateChunk = assertGet(_registry.registerDonateChunk(
createMoveChunkRequest(NamespaceString("TestDB", "TestColl"))));
ASSERT(originalScopedDonateChunk.mustExecute());
auto secondScopedDonateChunk = assertGet(_registry.registerDonateChunk(
createMoveChunkRequest(NamespaceString("TestDB", "TestColl"))));
ASSERT(!secondScopedDonateChunk.mustExecute());
originalScopedDonateChunk.signalComplete({ErrorCodes::InternalError, "Test error"});
auto opCtx = makeOperationContext();
ASSERT_EQ(Status(ErrorCodes::InternalError, "Test error"),
secondScopedDonateChunk.waitForCompletion(opCtx.get()));
}
} // namespace
} // namespace mongo
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