72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
# Copyright 2016 Tesora, Inc.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed 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.
|
|
#
|
|
|
|
from oslo_log import log as logging
|
|
|
|
from trove.common import cfg
|
|
from trove.guestagent.strategies import backup
|
|
from trove.guestagent.strategies.replication import mysql_base
|
|
|
|
CONF = cfg.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class MariaDBGTIDReplication(mysql_base.MysqlReplicationBase):
|
|
"""MariaDB Replication coordinated by GTIDs."""
|
|
|
|
@property
|
|
def repl_backup_runner(self):
|
|
return backup.get_backup_strategy(
|
|
CONF.mariadb.backup_strategy,
|
|
CONF.mariadb.backup_namespace
|
|
)
|
|
|
|
@property
|
|
def repl_incr_backup_runner(self):
|
|
strategy = CONF.mariadb.backup_incremental_strategy.get(
|
|
CONF.mariadb.backup_strategy, CONF.mariadb.backup_strategy
|
|
)
|
|
|
|
return backup.get_backup_strategy(
|
|
strategy,
|
|
CONF.mariadb.backup_namespace
|
|
)
|
|
|
|
@property
|
|
def repl_backup_extra_opts(self):
|
|
return CONF.backup_runner_options.get(
|
|
CONF.mariadb.backup_strategy, ''
|
|
)
|
|
|
|
def connect_to_master(self, service, snapshot):
|
|
logging_config = snapshot['log_position']
|
|
LOG.debug("connect_to_master %s", logging_config['replication_user'])
|
|
change_master_cmd = (
|
|
"CHANGE MASTER TO MASTER_HOST='%(host)s', "
|
|
"MASTER_PORT=%(port)s, "
|
|
"MASTER_USER='%(user)s', "
|
|
"MASTER_PASSWORD='%(password)s', "
|
|
"MASTER_CONNECT_RETRY=15, "
|
|
"MASTER_USE_GTID=slave_pos" %
|
|
{
|
|
'host': snapshot['master']['host'],
|
|
'port': snapshot['master']['port'],
|
|
'user': logging_config['replication_user']['name'],
|
|
'password': logging_config['replication_user']['password']
|
|
})
|
|
service.execute_on_client(change_master_cmd)
|
|
service.start_slave()
|