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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 <boost/optional.hpp>
#include <vector>
#include "mongo/bson/bsonmisc.h"
#include "mongo/client/remote_command_targeter_mock.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/query/query_request.h"
#include "mongo/executor/remote_command_request.h"
#include "mongo/rpc/metadata/repl_set_metadata.h"
#include "mongo/rpc/metadata/tracking_metadata.h"
#include "mongo/s/balancer_configuration.h"
#include "mongo/s/catalog/sharding_catalog_client.h"
#include "mongo/s/sharding_router_test_fixture.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/net/hostandport.h"
namespace mongo {
namespace {
using executor::RemoteCommandRequest;
using std::vector;
using unittest::assertGet;
BSONObj getReplSecondaryOkMetadata() {
BSONObjBuilder o;
ReadPreferenceSetting(ReadPreference::Nearest).toContainingBSON(&o);
o.append(rpc::kReplSetMetadataFieldName, 1);
return o.obj();
}
class BalancerConfigurationTestFixture : public ShardingTestFixture {
protected:
/**
* Expects a correct find command to be dispatched for the config.settings namespace and returns
* the specified result. If an empty boost::optional is passed, returns an empty results.
*/
void expectSettingsQuery(StringData key, StatusWith<boost::optional<BSONObj>> result) {
onFindCommand([&](const RemoteCommandRequest& request) {
ASSERT_BSONOBJ_EQ(getReplSecondaryOkMetadata(),
rpc::TrackingMetadata::removeTrackingData(request.metadata));
const NamespaceString nss(request.dbname, request.cmdObj.firstElement().String());
ASSERT_EQ(nss.ns(), "config.settings");
auto query = assertGet(QueryRequest::makeFromFindCommand(nss, request.cmdObj, false));
ASSERT_EQ(query->nss().ns(), "config.settings");
ASSERT_BSONOBJ_EQ(query->getFilter(), BSON("_id" << key));
checkReadConcern(request.cmdObj, Timestamp(0, 0), repl::OpTime::kUninitializedTerm);
if (!result.isOK()) {
return StatusWith<vector<BSONObj>>(result.getStatus());
}
if (result.getValue()) {
return StatusWith<vector<BSONObj>>(vector<BSONObj>{*(result.getValue())});
}
return StatusWith<vector<BSONObj>>(vector<BSONObj>{});
});
}
};
TEST_F(BalancerConfigurationTestFixture, NoConfigurationDocuments) {
configTargeter()->setFindHostReturnValue(HostAndPort("TestHost1"));
BalancerConfiguration config;
auto future = launchAsync([&] { ASSERT_OK(config.refreshAndCheck(operationContext())); });
expectSettingsQuery(BalancerSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(ChunkSizeSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(AutoSplitSettingsType::kKey, boost::optional<BSONObj>());
future.timed_get(kFutureTimeout);
ASSERT(config.shouldBalance());
ASSERT(config.shouldBalanceForAutoSplit());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
config.getSecondaryThrottle().getSecondaryThrottle());
ASSERT_EQ(64 * 1024 * 1024ULL, config.getMaxChunkSizeBytes());
ASSERT(config.getShouldAutoSplit());
}
TEST_F(BalancerConfigurationTestFixture, ChunkSizeSettingsDocumentOnly) {
configTargeter()->setFindHostReturnValue(HostAndPort("TestHost1"));
BalancerConfiguration config;
auto future = launchAsync([&] { ASSERT_OK(config.refreshAndCheck(operationContext())); });
expectSettingsQuery(BalancerSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(ChunkSizeSettingsType::kKey, boost::optional<BSONObj>(BSON("value" << 3)));
expectSettingsQuery(AutoSplitSettingsType::kKey, boost::optional<BSONObj>());
future.timed_get(kFutureTimeout);
ASSERT(config.shouldBalance());
ASSERT(config.shouldBalanceForAutoSplit());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
config.getSecondaryThrottle().getSecondaryThrottle());
ASSERT_EQ(3 * 1024 * 1024ULL, config.getMaxChunkSizeBytes());
ASSERT(config.getShouldAutoSplit());
}
TEST_F(BalancerConfigurationTestFixture, BalancerSettingsDocumentOnly) {
configTargeter()->setFindHostReturnValue(HostAndPort("TestHost1"));
BalancerConfiguration config;
auto future = launchAsync([&] { ASSERT_OK(config.refreshAndCheck(operationContext())); });
expectSettingsQuery(BalancerSettingsType::kKey,
boost::optional<BSONObj>(BSON("stopped" << true)));
expectSettingsQuery(ChunkSizeSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(AutoSplitSettingsType::kKey, boost::optional<BSONObj>());
future.timed_get(kFutureTimeout);
ASSERT(!config.shouldBalance());
ASSERT(!config.shouldBalanceForAutoSplit());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
config.getSecondaryThrottle().getSecondaryThrottle());
ASSERT_EQ(64 * 1024 * 1024ULL, config.getMaxChunkSizeBytes());
ASSERT(config.getShouldAutoSplit());
}
TEST_F(BalancerConfigurationTestFixture, AutoSplitSettingsDocumentOnly) {
configTargeter()->setFindHostReturnValue(HostAndPort("TestHost1"));
BalancerConfiguration config;
auto future = launchAsync([&] { ASSERT_OK(config.refreshAndCheck(operationContext())); });
expectSettingsQuery(BalancerSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(ChunkSizeSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(AutoSplitSettingsType::kKey,
boost::optional<BSONObj>(BSON("enabled" << false)));
future.timed_get(kFutureTimeout);
ASSERT(config.shouldBalance());
ASSERT(config.shouldBalanceForAutoSplit());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
config.getSecondaryThrottle().getSecondaryThrottle());
ASSERT_EQ(64 * 1024 * 1024ULL, config.getMaxChunkSizeBytes());
ASSERT(!config.getShouldAutoSplit());
}
TEST_F(BalancerConfigurationTestFixture, BalancerSettingsDocumentBalanceForAutoSplitOnly) {
configTargeter()->setFindHostReturnValue(HostAndPort("TestHost1"));
BalancerConfiguration config;
auto future = launchAsync([&] { ASSERT_OK(config.refreshAndCheck(operationContext())); });
expectSettingsQuery(BalancerSettingsType::kKey,
boost::optional<BSONObj>(BSON("mode"
<< "autoSplitOnly")));
expectSettingsQuery(ChunkSizeSettingsType::kKey, boost::optional<BSONObj>());
expectSettingsQuery(AutoSplitSettingsType::kKey,
boost::optional<BSONObj>(BSON("enabled" << true)));
future.timed_get(kFutureTimeout);
ASSERT(!config.shouldBalance());
ASSERT(config.shouldBalanceForAutoSplit());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
config.getSecondaryThrottle().getSecondaryThrottle());
ASSERT_EQ(64 * 1024 * 1024ULL, config.getMaxChunkSizeBytes());
}
TEST(BalancerSettingsType, Defaults) {
BalancerSettingsType settings = assertGet(BalancerSettingsType::fromBSON(BSONObj()));
ASSERT_EQ(BalancerSettingsType::kFull, settings.getMode());
ASSERT_EQ(MigrationSecondaryThrottleOptions::kDefault,
settings.getSecondaryThrottle().getSecondaryThrottle());
ASSERT(!settings.getSecondaryThrottle().isWriteConcernSpecified());
}
TEST(BalancerSettingsType, BalancerDisabledThroughStoppedOption) {
BalancerSettingsType settings =
assertGet(BalancerSettingsType::fromBSON(BSON("stopped" << true)));
ASSERT_EQ(BalancerSettingsType::kOff, settings.getMode());
}
TEST(BalancerSettingsType, AllValidBalancerModeOptions) {
ASSERT_EQ(BalancerSettingsType::kFull,
assertGet(BalancerSettingsType::fromBSON(BSON("mode"
<< "full")))
.getMode());
ASSERT_EQ(BalancerSettingsType::kAutoSplitOnly,
assertGet(BalancerSettingsType::fromBSON(BSON("mode"
<< "autoSplitOnly")))
.getMode());
ASSERT_EQ(BalancerSettingsType::kOff,
assertGet(BalancerSettingsType::fromBSON(BSON("mode"
<< "off")))
.getMode());
}
TEST(BalancerSettingsType, InvalidBalancerModeOption) {
ASSERT_EQ(ErrorCodes::BadValue,
BalancerSettingsType::fromBSON(BSON("mode"
<< "BAD"))
.getStatus()
.code());
}
TEST(BalancerSettingsType, BalancingWindowStartLessThanStop) {
BalancerSettingsType settings =
assertGet(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "9:00"
<< "stop"
<< "19:00"))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(9) + boost::posix_time::minutes(0))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(10) + boost::posix_time::minutes(30))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(19) + boost::posix_time::minutes(0))));
ASSERT(!settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(8) + boost::posix_time::minutes(59))));
ASSERT(!settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(19) + boost::posix_time::minutes(1))));
}
TEST(BalancerSettingsType, BalancingWindowStopLessThanStart) {
BalancerSettingsType settings =
assertGet(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "23:00"
<< "stop"
<< "8:00"))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(23) + boost::posix_time::minutes(0))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(2) + boost::posix_time::minutes(30))));
ASSERT(settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(7) + boost::posix_time::minutes(59))));
ASSERT(!settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(8) + boost::posix_time::minutes(1))));
ASSERT(!settings.isTimeInBalancingWindow(boost::posix_time::ptime(
currentDate(), boost::posix_time::hours(22) + boost::posix_time::minutes(00))));
}
TEST(BalancerSettingsType, InvalidBalancingWindowStartEqualsStop) {
ASSERT_NOT_OK(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "00:00"
<< "stop"
<< "00:00")))
.getStatus());
}
TEST(BalancerSettingsType, InvalidBalancingWindowTimeFormat) {
ASSERT_NOT_OK(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "23"
<< "stop"
<< "6")))
.getStatus());
ASSERT_NOT_OK(
BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start" << 23LL << "stop"
<< "6:00")))
.getStatus());
ASSERT_NOT_OK(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "23:00"
<< "stop"
<< 6LL)))
.getStatus());
}
TEST(BalancerSettingsType, InvalidBalancingWindowFormat) {
ASSERT_NOT_OK(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("begin"
<< "23:00"
<< "stop"
<< "6:00")))
.getStatus());
ASSERT_NOT_OK(BalancerSettingsType::fromBSON(BSON("activeWindow" << BSON("start"
<< "23:00"
<< "end"
<< "6:00")))
.getStatus());
}
TEST(ChunkSizeSettingsType, NormalValues) {
ASSERT_EQ(
1024 * 1024ULL,
assertGet(ChunkSizeSettingsType::fromBSON(BSON("value" << 1))).getMaxChunkSizeBytes());
ASSERT_EQ(
10 * 1024 * 1024ULL,
assertGet(ChunkSizeSettingsType::fromBSON(BSON("value" << 10))).getMaxChunkSizeBytes());
ASSERT_EQ(
1024 * 1024 * 1024ULL,
assertGet(ChunkSizeSettingsType::fromBSON(BSON("value" << 1024))).getMaxChunkSizeBytes());
}
TEST(ChunkSizeSettingsType, BackwardsCompatibilityDueToExtraKeys) {
ASSERT_EQ(1024 * 1024ULL,
assertGet(ChunkSizeSettingsType::fromBSON(BSON("value" << 1 << "SomeFutureKey"
<< "SomeFutureValue")))
.getMaxChunkSizeBytes());
}
TEST(ChunkSizeSettingsType, IllegalValues) {
ASSERT_NOT_OK(ChunkSizeSettingsType::fromBSON(BSON("value" << 0)).getStatus());
ASSERT_NOT_OK(ChunkSizeSettingsType::fromBSON(BSON("value" << -1)).getStatus());
ASSERT_NOT_OK(ChunkSizeSettingsType::fromBSON(BSON("value" << 1025)).getStatus());
ASSERT_NOT_OK(ChunkSizeSettingsType::fromBSON(BSON("value"
<< "WrongType"))
.getStatus());
ASSERT_NOT_OK(ChunkSizeSettingsType::fromBSON(BSON("IllegalKey" << 1)).getStatus());
}
} // namespace
} // namespace mongo
|
