def make_read_only(self, context, read_only):
LOG.debug("Executing make_read_only(%s)" % read_only)
app = MySqlApp(MySqlAppStatus.get())
app.make_read_only(read_only)
def detach_replica(self, context, for_failover=False):
LOG.debug("Detaching replica.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replica_info = replication.detach_slave(app, for_failover)
return replica_info
def get_replica_context(self, context):
LOG.debug("Getting replica context.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replica_info = replication.get_replica_context(app)
return replica_info
def get_latest_txn_id(self, context):
LOG.debug("Calling get_latest_txn_id.")
return MySqlApp(MySqlAppStatus.get()).get_latest_txn_id()
def wait_for_txn(self, context, txn):
LOG.debug("Calling wait_for_txn.")
MySqlApp(MySqlAppStatus.get()).wait_for_txn(txn)
def update_overrides(self, context, overrides, remove=False):
LOG.debug("Updating overrides (%s)." % overrides)
app = MySqlApp(MySqlAppStatus.get())
app.update_overrides(overrides, remove=remove)
def get_last_txn(self, context):
LOG.debug("Calling get_last_txn")
return MySqlApp(MySqlAppStatus.get()).get_last_txn()
def apply_overrides(self, context, overrides):
LOG.debug("Applying overrides (%s)." % overrides)
app = MySqlApp(MySqlAppStatus.get())
app.apply_overrides(overrides)
def enable_as_master(self, context, replica_source_config):
LOG.debug("Calling enable_as_master.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.enable_as_master(app, replica_source_config)
def stop_db(self, context, do_not_start_on_reboot=False):
app = MySqlApp(MySqlAppStatus.get())
app.stop_db(do_not_start_on_reboot=do_not_start_on_reboot)
def update_overrides(self, context, overrides, remove=False):
app = MySqlApp(MySqlAppStatus.get())
if remove:
app.remove_overrides()
app.update_overrides(overrides)
def start_db_with_conf_changes(self, context, config_contents):
app = MySqlApp(MySqlAppStatus.get())
app.start_db_with_conf_changes(config_contents)
def restart(self, context):
app = MySqlApp(MySqlAppStatus.get())
app.restart()
def prepare(self, context, packages, databases, memory_mb, users,
device_path=None, mount_point=None, backup_info=None,
config_contents=None, root_password=None, overrides=None,
cluster_config=None, snapshot=None):
"""Makes ready DBAAS on a Guest container."""
MySqlAppStatus.get().begin_install()
# status end_mysql_install set with secure()
app = MySqlApp(MySqlAppStatus.get())
app.install_if_needed(packages)
if device_path:
# stop and do not update database
app.stop_db()
device = volume.VolumeDevice(device_path)
# unmount if device is already mounted
device.unmount_device(device_path)
device.format()
if os.path.exists(mount_point):
# rsync existing data to a "data" sub-directory
# on the new volume
device.migrate_data(mount_point, target_subdir="data")
# mount the volume
device.mount(mount_point)
operating_system.chown(
mount_point, service.MYSQL_OWNER, service.MYSQL_OWNER,
recursive=False, as_root=True)
LOG.debug("Mounted the volume at %s." % mount_point)
# We need to temporarily update the default my.cnf so that
# mysql will start after the volume is mounted. Later on it
# will be changed based on the config template
# (see MySqlApp.secure()) and restart.
app.set_data_dir(mount_point + '/data')
app.start_mysql()
if backup_info:
self._perform_restore(backup_info, context,
mount_point + "/data", app)
LOG.debug("Securing MySQL now.")
app.secure(config_contents, overrides)
enable_root_on_restore = (backup_info and
MySqlAdmin().is_root_enabled())
if root_password and not backup_info:
app.secure_root(secure_remote_root=True)
MySqlAdmin().enable_root(root_password)
elif enable_root_on_restore:
app.secure_root(secure_remote_root=False)
MySqlAppStatus.get().report_root(context, 'root')
else:
app.secure_root(secure_remote_root=True)
app.complete_install_or_restart()
if databases:
self.create_database(context, databases)
if users:
self.create_user(context, users)
if snapshot:
self.attach_replica(context, snapshot, snapshot['config'])
LOG.info(_('Completed setup of MySQL database instance.'))
def demote_replication_master(self, context):
LOG.debug("Demoting replication master.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.demote_master(app)
def get_txn_count(self, context):
LOG.debug("Calling get_txn_count")
return MySqlApp(MySqlAppStatus.get()).get_txn_count()
def reset_configuration(self, context, configuration):
app = MySqlApp(MySqlAppStatus.get())
app.reset_configuration(configuration)
def apply_overrides(self, context, overrides):
app = MySqlApp(MySqlAppStatus.get())
app.apply_overrides(overrides)
