68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
# Copyright 2020 Catalyst Cloud
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from trove.guestagent.datastore.mysql_common import service
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from trove.guestagent.utils import mysql as mysql_util
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class MySqlAppStatus(service.BaseMySqlAppStatus):
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def __init__(self, docker_client):
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super(MySqlAppStatus, self).__init__(docker_client)
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class MySqlApp(service.BaseMySqlApp):
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def __init__(self, status, docker_client):
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super(MySqlApp, self).__init__(status, docker_client)
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def _get_gtid_executed(self):
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with mysql_util.SqlClient(self.get_engine()) as client:
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return client.execute('SELECT @@global.gtid_executed').first()[0]
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def _get_slave_status(self):
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with mysql_util.SqlClient(self.get_engine()) as client:
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return client.execute('SHOW SLAVE STATUS').first()
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def _get_master_UUID(self):
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slave_status = self._get_slave_status()
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return slave_status and slave_status['Master_UUID'] or None
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def get_latest_txn_id(self):
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return self._get_gtid_executed()
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def get_last_txn(self):
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master_UUID = self._get_master_UUID()
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last_txn_id = '0'
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gtid_executed = self._get_gtid_executed()
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for gtid_set in gtid_executed.split(','):
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uuid_set = gtid_set.split(':')
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if uuid_set[0] == master_UUID:
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last_txn_id = uuid_set[-1].split('-')[-1]
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break
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return master_UUID, int(last_txn_id)
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def wait_for_txn(self, txn):
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with mysql_util.SqlClient(self.get_engine()) as client:
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client.execute("SELECT WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS('%s')"
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% txn)
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class MySqlRootAccess(service.BaseMySqlRootAccess):
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def __init__(self, app):
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super(MySqlRootAccess, self).__init__(app)
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class MySqlAdmin(service.BaseMySqlAdmin):
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def __init__(self, app):
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root_access = MySqlRootAccess(app)
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super(MySqlAdmin, self).__init__(root_access, app)
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