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scylladb/cql3/statements/create_keyspace_statement.cc

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2015 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cql3/statements/create_keyspace_statement.hh"
#include "service/migration_manager.hh"
#include <regex>
namespace cql3 {
namespace statements {
create_keyspace_statement::create_keyspace_statement(const sstring& name, shared_ptr<ks_prop_defs> attrs, bool if_not_exists)
: _name{name}
, _attrs{attrs}
, _if_not_exists{if_not_exists}
{
}
const sstring& create_keyspace_statement::keyspace() const
{
return _name;
}
future<> create_keyspace_statement::check_access(const service::client_state& state)
{
return state.has_all_keyspaces_access(auth::permission::CREATE);
}
void create_keyspace_statement::validate(distributed<service::storage_proxy>&, const service::client_state& state)
{
std::string name;
name.resize(_name.length());
std::transform(_name.begin(), _name.end(), name.begin(), ::tolower);
if (name == db::system_keyspace::NAME) {
throw exceptions::invalid_request_exception("system keyspace is not user-modifiable");
}
// keyspace name
std::regex name_regex("\\w+");
if (!std::regex_match(name, name_regex)) {
throw exceptions::invalid_request_exception(sprint("\"%s\" is not a valid keyspace name", _name.c_str()));
}
if (name.length() > schema::NAME_LENGTH) {
throw exceptions::invalid_request_exception(sprint("Keyspace names shouldn't be more than %d characters long (got \"%s\")", schema::NAME_LENGTH, _name.c_str()));
}
_attrs->validate();
if (!bool(_attrs->get_replication_strategy_class())) {
throw exceptions::configuration_exception("Missing mandatory replication strategy class");
}
#if 0
// The strategy is validated through KSMetaData.validate() in announceNewKeyspace below.
// However, for backward compatibility with thrift, this doesn't validate unexpected options yet,
// so doing proper validation here.
AbstractReplicationStrategy.validateReplicationStrategy(name,
AbstractReplicationStrategy.getClass(attrs.getReplicationStrategyClass()),
StorageService.instance.getTokenMetadata(),
DatabaseDescriptor.getEndpointSnitch(),
attrs.getReplicationOptions());
#endif
}
future<bool> create_keyspace_statement::announce_migration(distributed<service::storage_proxy>& proxy, bool is_local_only)
{
return make_ready_future<>().then([this, is_local_only] {
return service::get_local_migration_manager().announce_new_keyspace(_attrs->as_ks_metadata(_name), is_local_only);
}).then_wrapped([this] (auto&& f) {
try {
f.get();
return true;
} catch (const exceptions::already_exists_exception& e) {
if (_if_not_exists) {
return false;
}
throw e;
}
});
}
shared_ptr<transport::event::schema_change> create_keyspace_statement::change_event()
{
return make_shared<transport::event::schema_change>(transport::event::schema_change::change_type::CREATED, keyspace());
}
}
}