68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
# Copyright 2016 Tesora, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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from oslo_log import log as logging
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from trove.common import cfg
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from trove.guestagent.backup.backupagent import BackupAgent
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from trove.guestagent.strategies import backup
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from trove.guestagent.strategies.replication import mysql_base
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AGENT = BackupAgent()
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CONF = cfg.CONF
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REPL_BACKUP_NAMESPACE = 'trove.guestagent.strategies.backup' \
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'.experimental.mariadb_impl'
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LOG = logging.getLogger(__name__)
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class MariaDBGTIDReplication(mysql_base.MysqlReplicationBase):
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"""MariaDB Replication coordinated by GTIDs."""
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@property
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def repl_backup_runner(self):
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return backup.get_backup_strategy('MariaDBInnoBackupEx',
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REPL_BACKUP_NAMESPACE)
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@property
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def repl_incr_backup_runner(self):
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return backup.get_backup_strategy('MariaDBInnoBackupExIncremental',
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REPL_BACKUP_NAMESPACE)
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@property
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def repl_backup_extra_opts(self):
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return CONF.backup_runner_options.get('MariaDBInnoBackupEx', '')
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def connect_to_master(self, service, snapshot):
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logging_config = snapshot['log_position']
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LOG.debug("connect_to_master %s" % logging_config['replication_user'])
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change_master_cmd = (
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"CHANGE MASTER TO MASTER_HOST='%(host)s', "
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"MASTER_PORT=%(port)s, "
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"MASTER_USER='%(user)s', "
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"MASTER_PASSWORD='%(password)s', "
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"MASTER_CONNECT_RETRY=15, "
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"MASTER_USE_GTID=slave_pos" %
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{
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'host': snapshot['master']['host'],
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'port': snapshot['master']['port'],
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'user': logging_config['replication_user']['name'],
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'password': logging_config['replication_user']['password']
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})
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service.execute_on_client(change_master_cmd)
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service.start_slave()
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