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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.
*/
#pragma once
#include <set>
#include "mongo/base/status.h"
#include "mongo/bson/timestamp.h"
#include "mongo/client/mongo_uri.h"
#include "mongo/db/repl/replication_coordinator.h"
#include "mongo/util/str.h"
namespace mongo {
namespace {
const std::set<std::string> kUnsupportedTenantIds{"", "admin", "local", "config"};
} // namespace
inline Status validateDatabasePrefix(const std::string& tenantId) {
const bool isPrefixSupported =
kUnsupportedTenantIds.find(tenantId) == kUnsupportedTenantIds.end();
return isPrefixSupported
? Status::OK()
: Status(ErrorCodes::BadValue,
str::stream() << "cannot migrate databases for tenant \'" << tenantId << "'");
}
inline Status validateTimestampNotNull(const Timestamp& ts) {
return (!ts.isNull())
? Status::OK()
: Status(ErrorCodes::BadValue, str::stream() << "Timestamp can't be null");
}
inline Status validateConnectionString(const StringData& donorOrRecipientConnectionString) {
const auto donorOrRecipientUri =
uassertStatusOK(MongoURI::parse(donorOrRecipientConnectionString.toString()));
const auto donorOrRecipientServers = donorOrRecipientUri.getServers();
// Sanity check to make sure that the given donor or recipient connection string corresponds
// to a replica set connection string with at least one host.
try {
const auto donorOrRecipientRsConnectionString = ConnectionString::forReplicaSet(
donorOrRecipientUri.getSetName(),
std::vector<HostAndPort>(donorOrRecipientServers.begin(),
donorOrRecipientServers.end()));
} catch (const ExceptionFor<ErrorCodes::FailedToParse>& ex) {
return Status(ErrorCodes::BadValue,
str::stream()
<< "Donor and recipient must be a replica set with at least one host: "
<< ex.toStatus());
}
// Sanity check to make sure that donor and recipient do not share any hosts.
const auto servers = repl::ReplicationCoordinator::get(cc().getServiceContext())
->getConfig()
.getConnectionString()
.getServers();
for (auto&& server : servers) {
bool foundMatch = std::any_of(
donorOrRecipientServers.begin(),
donorOrRecipientServers.end(),
[&](const HostAndPort& donorOrRecipient) { return server == donorOrRecipient; });
if (foundMatch) {
return Status(ErrorCodes::BadValue,
str::stream() << "Donor and recipient hosts must be different.");
}
}
return Status::OK();
}
} // namespace mongo
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