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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.
*/
#include <string>
#include <vector>
#include "mongo/db/commands/shutdown_gen.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/commands.h"
#include "mongo/db/jsobj.h"
#include "mongo/util/exit.h"
#include "mongo/util/ntservice.h"
namespace mongo {
Status stepDownForShutdown(OperationContext* opCtx,
const Milliseconds& waitTime,
bool forceShutdown) noexcept;
namespace shutdown_detail {
/**
* Completes the shutdown. 'timeoutSecs' is the total time permitted for shutdown-related timeouts.
* 'quiesceTime' is the remaining time allowed for quiescing.
*/
void finishShutdown(bool force, long long timeoutSecs, Milliseconds quiesceTime);
} // namespace shutdown_detail
template <typename Derived>
class CmdShutdown : public TypedCommand<Derived> {
public:
using Request = ShutdownRequest;
class Invocation final : public TypedCommand<Derived>::InvocationBase {
public:
using Base = typename TypedCommand<Derived>::InvocationBase;
using Base::Base;
void typedRun(OperationContext* opCtx) {
auto force = Base::request().getForce();
auto timeoutSecs = Base::request().getTimeoutSecs();
auto shutdownStartTime = opCtx->getServiceContext()->getPreciseClockSource()->now();
// Commands derived from CmdShutdown should define their own
// `beginShutdown` methods.
Derived::beginShutdown(opCtx, force, timeoutSecs);
Milliseconds quiesceTime =
std::max(Milliseconds::zero(),
Milliseconds(Seconds(timeoutSecs)) -
(opCtx->getServiceContext()->getPreciseClockSource()->now() -
shutdownStartTime));
shutdown_detail::finishShutdown(force, timeoutSecs, quiesceTime);
}
private:
NamespaceString ns() const override {
return NamespaceString(Base::request().getDbName(), "");
}
bool supportsWriteConcern() const override {
return false;
}
void doCheckAuthorization(OperationContext* opCtx) const override {
auto client = opCtx->getClient();
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
ResourcePattern::forClusterResource(), ActionType::shutdown));
}
};
bool requiresAuth() const override {
return true;
}
virtual bool adminOnly() const {
return true;
}
bool localHostOnlyIfNoAuth() const override {
return true;
}
Command::AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return Command::AllowedOnSecondary::kAlways;
}
virtual void addRequiredPrivileges(const std::string& dbname,
const BSONObj& cmdObj,
std::vector<Privilege>* out) const {
ActionSet actions;
actions.addAction(ActionType::shutdown);
out->push_back(Privilege(ResourcePattern::forClusterResource(), actions));
}
};
} // namespace mongo
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