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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/platform/basic.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/change_stream_serverless_helpers.h"
#include "mongo/db/change_stream_state_gen.h"
#include "mongo/db/commands.h"
#include "mongo/db/set_change_stream_state_coordinator.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kCommand
namespace mongo {
namespace {
/**
* The command that should run in the replica-set to set the state of the change stream in the
* serverless.
*/
class SetChangeStreamStateCommand final : public TypedCommand<SetChangeStreamStateCommand> {
public:
using Request = SetChangeStreamStateCommandRequest;
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
bool adminOnly() const override {
return true;
}
std::string help() const override {
return "Sets the change stream state in the serverless\n"
"Usage:\n"
" {setChangeStreamState: 1, enabled: <true|false>}\n"
"Fields:\n"
" enabled: enable or disable the change stream";
}
bool allowedWithSecurityToken() const final {
return true;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
void typedRun(OperationContext* opCtx) {
uassert(ErrorCodes::CommandNotSupported,
str::stream() << SetChangeStreamStateCommandRequest::kCommandName
<< " command is only supported in serverless",
change_stream_serverless_helpers::isChangeCollectionsModeActive());
const auto tenantId =
change_stream_serverless_helpers::resolveTenantId(request().getDbName().tenantId());
uassert(ErrorCodes::BadValue,
str::stream() << SetChangeStreamStateCommandRequest::kCommandName
<< " command must be provided with a tenant id",
tenantId);
// Prepare the payload for the 'SetChangeStreamStateCoordinator'.
SetChangeStreamStateCoordinatorId coordinatorId;
coordinatorId.setTenantId(tenantId);
SetChangeStreamStateCoordinatorDocument coordinatorDoc{
coordinatorId, request().getChangeStreamStateParameters().toBSON()};
// Dispatch the request to the 'SetChangeStreamStateCoordinatorService'.
const auto service = SetChangeStreamStateCoordinatorService::getService(opCtx);
const auto instance = service->getOrCreateInstance(opCtx, coordinatorDoc.toBSON());
const auto coordinatorCompletionFuture = instance->getCompletionFuture();
coordinatorCompletionFuture.get(opCtx);
}
private:
bool supportsWriteConcern() const override {
return false;
}
NamespaceString ns() const override {
return NamespaceString();
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForPrivilege(Privilege{ResourcePattern::forClusterResource(),
ActionType::setChangeStreamState}));
}
};
} setChangeStreamStateCommand;
class GetChangeStreamStateCommand final : public TypedCommand<GetChangeStreamStateCommand> {
public:
using Request = GetChangeStreamStateCommandRequest;
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kNever;
}
bool adminOnly() const override {
return true;
}
std::string help() const override {
return "Gets the change stream state in the serverless\n"
"Usage:\n"
" {getChangeStreamState: 1}";
}
bool allowedWithSecurityToken() const final {
return true;
}
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
auto typedRun(OperationContext* opCtx) {
uassert(ErrorCodes::CommandNotSupported,
str::stream() << GetChangeStreamStateCommandRequest::kCommandName
<< " command is only supported in serverless",
change_stream_serverless_helpers::isChangeCollectionsModeActive());
const auto tenantId =
change_stream_serverless_helpers::resolveTenantId(request().getDbName().tenantId());
uassert(ErrorCodes::BadValue,
str::stream() << GetChangeStreamStateCommandRequest::kCommandName
<< " command must be provided with a tenant id",
tenantId);
// Set the change stream enablement state in the 'reply' object.
GetChangeStreamStateCommandRequest::Reply reply{
change_stream_serverless_helpers::isChangeStreamEnabled(opCtx, *tenantId)};
return reply;
}
private:
bool supportsWriteConcern() const override {
return false;
}
NamespaceString ns() const override {
return NamespaceString();
}
void doCheckAuthorization(OperationContext* opCtx) const override {
uassert(ErrorCodes::Unauthorized,
"Unauthorized",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForPrivilege(Privilege{ResourcePattern::forClusterResource(),
ActionType::getChangeStreamState}));
}
};
} getChangeStreamStateCommand;
} // namespace
} // namespace mongo
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