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/**
* Copyright (C) 2022-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_util.h"
#include "mongo/db/db_raii.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kSharding
namespace mongo {
namespace analyze_shard_key {
Status validateNamespace(const NamespaceString& nss) {
if (nss.isOnInternalDb()) {
return Status(ErrorCodes::IllegalOperation,
str::stream() << "Cannot run against an internal collection");
}
if (nss.isSystem()) {
return Status(ErrorCodes::IllegalOperation,
str::stream() << "Cannot run against a system collection");
}
if (nss.isFLE2StateCollection()) {
return Status(ErrorCodes::IllegalOperation,
str::stream() << "Cannot run against an internal collection");
}
return Status::OK();
}
StatusWith<UUID> validateCollectionOptions(OperationContext* opCtx, const NamespaceString& nss) {
if (CollectionCatalog::get(opCtx)->lookupView(opCtx, nss)) {
return Status{ErrorCodes::CommandNotSupportedOnView, "The namespace corresponds to a view"};
}
AutoGetCollectionForReadCommandMaybeLockFree collection(opCtx, nss);
if (!collection) {
return Status{ErrorCodes::NamespaceNotFound,
str::stream() << "The namespace does not exist"};
}
if (collection->getCollectionOptions().encryptedFieldConfig.has_value()) {
return Status{ErrorCodes::IllegalOperation,
str::stream() << "The collection has queryable encryption enabled"};
}
return collection->uuid();
}
Status validateIndexKey(const BSONObj& indexKey) {
return validateShardKeyPattern(indexKey);
}
void uassertShardKeyValueNotContainArrays(const BSONObj& value) {
for (const auto& element : value) {
uassert(ErrorCodes::BadValue,
str::stream() << "The shard key contains an array field '" << element.fieldName()
<< "'",
element.type() != BSONType::Array);
}
}
BSONObj extractReadConcern(OperationContext* opCtx) {
return repl::ReadConcernArgs::get(opCtx).toBSONInner().removeField(
ReadWriteConcernProvenanceBase::kSourceFieldName);
}
double round(double val, int n) {
const double multiplier = std::pow(10.0, n);
return std::ceil(val * multiplier) / multiplier;
}
double calculatePercentage(double part, double whole) {
invariant(part >= 0);
invariant(whole > 0);
invariant(part <= whole);
return round(part / whole * 100, kMaxNumDecimalPlaces);
}
} // namespace analyze_shard_key
} // namespace mongo
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