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/**
* Copyright (C) 2023-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.
*/
#include "mongo/s/analyze_shard_key_role.h"
#include "mongo/db/multitenancy_gen.h"
#include "mongo/db/repl/replication_coordinator.h"
#include "mongo/s/analyze_shard_key_feature_flag_gen.h"
#include "mongo/s/is_mongos.h"
namespace mongo {
namespace analyze_shard_key {
namespace {
bool isReplEnabled(ServiceContext* serviceContext) {
if (isMongos()) {
return false;
}
auto replCoord = repl::ReplicationCoordinator::get(serviceContext);
return replCoord && replCoord->isReplEnabled();
}
} // namespace
bool isFeatureFlagEnabled(bool ignoreFCV) {
if (ignoreFCV) {
// (Ignore FCV check): In the following cases, ignoreFCV is set to true.
// 1. The call is before FCV initialization.
// 2. We want to stop QueryAnalysisSampler regardless of FCV.
return gFeatureFlagAnalyzeShardKey.isEnabledAndIgnoreFCVUnsafe();
}
return serverGlobalParams.featureCompatibility.isVersionInitialized() &&
gFeatureFlagAnalyzeShardKey.isEnabled(serverGlobalParams.featureCompatibility);
}
bool supportsCoordinatingQueryAnalysis(bool isReplEnabled, bool ignoreFCV) {
if (!isFeatureFlagEnabled(ignoreFCV)) {
return false;
}
if (isMongos()) {
return false;
}
return isReplEnabled && !gMultitenancySupport &&
(serverGlobalParams.clusterRole.has(ClusterRole::ConfigServer) ||
serverGlobalParams.clusterRole.has(ClusterRole::None));
}
bool supportsCoordinatingQueryAnalysis(OperationContext* opCtx, bool ignoreFCV) {
return supportsCoordinatingQueryAnalysis(isReplEnabled(opCtx->getServiceContext()), ignoreFCV);
}
bool supportsPersistingSampledQueries(bool isReplEnabled, bool ignoreFCV) {
if (!isFeatureFlagEnabled(ignoreFCV)) {
return false;
}
if (isMongos()) {
return false;
}
return isReplEnabled && !gMultitenancySupport &&
(serverGlobalParams.clusterRole.has(ClusterRole::ShardServer) ||
serverGlobalParams.clusterRole.has(ClusterRole::None));
}
bool supportsPersistingSampledQueries(OperationContext* opCtx, bool ignoreFCV) {
return supportsPersistingSampledQueries(isReplEnabled(opCtx->getServiceContext()), ignoreFCV);
}
bool supportsSamplingQueries(bool isReplEnabled, bool ignoreFCV) {
if (!isFeatureFlagEnabled(ignoreFCV)) {
return false;
}
if (isMongos()) {
return true;
}
return isReplEnabled && !gMultitenancySupport &&
(serverGlobalParams.clusterRole.has(ClusterRole::ShardServer) ||
serverGlobalParams.clusterRole.has(ClusterRole::None));
}
bool supportsSamplingQueries(ServiceContext* serviceContext, bool ignoreFCV) {
return supportsSamplingQueries(isReplEnabled(serviceContext), ignoreFCV);
}
bool supportsSamplingQueries(OperationContext* opCtx, bool ignoreFCV) {
return supportsSamplingQueries(opCtx->getServiceContext(), ignoreFCV);
}
} // namespace analyze_shard_key
} // namespace mongo
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