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, 'mysql', 'mysql',
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 and restart.
app.update_overrides("[mysqld]\ndatadir=%s/data\n"
% mount_point)
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.'))
class MySqlAppStatusTest(testtools.TestCase):
def setUp(self):
super(MySqlAppStatusTest, self).setUp()
util.init_db()
self.orig_utils_execute_with_timeout = dbaas.utils.execute_with_timeout
self.orig_load_mysqld_options = dbaas.load_mysqld_options
self.orig_dbaas_os_path_exists = dbaas.os.path.exists
self.orig_dbaas_time_sleep = dbaas.time.sleep
self.FAKE_ID = randint(1, 10000)
InstanceServiceStatus.create(instance_id=self.FAKE_ID,
status=rd_instance.ServiceStatuses.NEW)
dbaas.CONF.guest_id = self.FAKE_ID
def tearDown(self):
super(MySqlAppStatusTest, self).tearDown()
dbaas.utils.execute_with_timeout = self.orig_utils_execute_with_timeout
dbaas.load_mysqld_options = self.orig_load_mysqld_options
dbaas.os.path.exists = self.orig_dbaas_os_path_exists
dbaas.time.sleep = self.orig_dbaas_time_sleep
InstanceServiceStatus.find_by(instance_id=self.FAKE_ID).delete()
dbaas.CONF.guest_id = None
def test_get_actual_db_status(self):
dbaas.utils.execute_with_timeout = Mock(return_value=(None, None))
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.RUNNING, status)
def test_get_actual_db_status_error_shutdown(self):
from trove.common.exception import ProcessExecutionError
mocked = Mock(side_effect=ProcessExecutionError())
dbaas.utils.execute_with_timeout = mocked
dbaas.load_mysqld_options = Mock()
dbaas.os.path.exists = Mock(return_value=False)
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.SHUTDOWN, status)
def test_get_actual_db_status_error_crashed(self):
from trove.common.exception import ProcessExecutionError
dbaas.utils.execute_with_timeout = MagicMock(
side_effect=[ProcessExecutionError(), ("some output", None)])
dbaas.load_mysqld_options = Mock()
dbaas.os.path.exists = Mock(return_value=True)
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.BLOCKED, status)
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 exiting data
device.migrate_data(mount_point)
#mount the volume
device.mount(mount_point)
LOG.debug("Mounted the volume.")
app.start_mysql()
if backup_info:
self._perform_restore(backup_info, context,
mount_point, 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('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 prepare(self, context, databases, memory_mb, users, device_path=None,
mount_point=None, backup_id=None, config_contents=None,
root_password=None):
"""Makes ready DBAAS on a Guest container."""
MySqlAppStatus.get().begin_install()
# status end_mysql_install set with secure()
app = MySqlApp(MySqlAppStatus.get())
restart_mysql = False
if device_path:
device = volume.VolumeDevice(device_path)
device.format()
#if a /var/lib/mysql folder exists, back it up.
if os.path.exists(CONF.mount_point):
#stop and do not update database
app.stop_db()
#rsync exiting data
if not backup_id:
restart_mysql = True
device.migrate_data(CONF.mount_point)
#mount the volume
device.mount(mount_point)
LOG.debug(_("Mounted the volume."))
#check mysql was installed and stopped
if restart_mysql:
app.start_mysql()
app.install_if_needed()
if backup_id:
self._perform_restore(backup_id, context, CONF.mount_point, app)
LOG.info(_("Securing mysql now."))
app.secure(config_contents)
enable_root_on_restore = (backup_id and MySqlAdmin().is_root_enabled())
if root_password and not backup_id:
app.secure_root(secure_remote_root=True)
MySqlAdmin().enable_root(root_password)
MySqlAdmin().report_root_enabled(context)
elif enable_root_on_restore:
app.secure_root(secure_remote_root=False)
MySqlAdmin().report_root_enabled(context)
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)
LOG.info('"prepare" call has finished.')
def get_replication_snapshot(self, context, snapshot_info,
replica_source_config=None):
LOG.debug("Getting replication snapshot.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.enable_as_master(app, replica_source_config)
snapshot_id, log_position = (
replication.snapshot_for_replication(context, app, None,
snapshot_info))
mount_point = CONF.get(MANAGER).mount_point
volume_stats = dbaas.get_filesystem_volume_stats(mount_point)
replication_snapshot = {
'dataset': {
'datastore_manager': MANAGER,
'dataset_size': volume_stats.get('used', 0.0),
'volume_size': volume_stats.get('total', 0.0),
'snapshot_id': snapshot_id
},
'replication_strategy': REPLICATION_STRATEGY,
'master': replication.get_master_ref(app, snapshot_info),
'log_position': log_position
}
return replication_snapshot
def test_get_actual_db_status(self):
dbaas.utils.execute_with_timeout = Mock(return_value=(None, None))
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.RUNNING, status)
def attach_replication_slave(self, context, snapshot, slave_config):
LOG.debug("Attaching replication snapshot.")
app = MySqlApp(MySqlAppStatus.get())
try:
self._validate_slave_for_replication(context, snapshot)
replication = REPLICATION_STRATEGY_CLASS(context)
replication.enable_as_slave(app, snapshot, slave_config)
except Exception:
LOG.exception("Error enabling replication.")
app.status.set_status(rd_instance.ServiceStatuses.FAILED)
raise
def test_get_actual_db_status_error_crashed(self):
from trove.common.exception import ProcessExecutionError
dbaas.utils.execute_with_timeout = MagicMock(
side_effect=[ProcessExecutionError(), ("some output", None)])
dbaas.load_mysqld_options = Mock()
dbaas.os.path.exists = Mock(return_value=True)
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.BLOCKED, status)
def test_get_actual_db_status_error_shutdown(self):
from trove.common.exception import ProcessExecutionError
mocked = Mock(side_effect=ProcessExecutionError())
dbaas.utils.execute_with_timeout = mocked
dbaas.load_mysqld_options = Mock()
dbaas.os.path.exists = Mock(return_value=False)
self.mySqlAppStatus = MySqlAppStatus()
status = self.mySqlAppStatus._get_actual_db_status()
self.assertEqual(rd_instance.ServiceStatuses.SHUTDOWN, status)
def attach_replica(self, context, replica_info, slave_config):
LOG.debug("Attaching replica.")
app = MySqlApp(MySqlAppStatus.get())
try:
if 'replication_strategy' in replica_info:
self._validate_slave_for_replication(context, replica_info)
replication = REPLICATION_STRATEGY_CLASS(context)
replication.enable_as_slave(app, replica_info, slave_config)
except Exception:
LOG.exception("Error enabling replication.")
app.status.set_status(rd_instance.ServiceStatuses.FAILED)
raise
def detach_replica(self, context):
LOG.debug("Detaching replica.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.detach_slave(app)
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 update_status(self, context):
"""Update the status of the MySQL service."""
MySqlAppStatus.get().update()
def get_latest_txn_id(self, context):
LOG.debug("Calling get_latest_txn_id.")
return MySqlApp(MySqlAppStatus.get()).get_latest_txn_id()
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 detach_replica(self, context):
LOG.debug("Detaching replica.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.detach_slave(app)
def get_txn_count(self, context):
LOG.debug("Calling get_txn_count")
return MySqlApp(MySqlAppStatus.get()).get_txn_count()
def start_db_with_conf_changes(self, context, config_contents):
app = MySqlApp(MySqlAppStatus.get())
app.start_db_with_conf_changes(config_contents)
def update_overrides(self, context, overrides, remove=False):
app = MySqlApp(MySqlAppStatus.get())
if remove:
app.remove_overrides()
app.update_overrides(overrides)
def reset_configuration(self, context, configuration):
app = MySqlApp(MySqlAppStatus.get())
app.reset_configuration(configuration)
def _build_app(self):
return MariaDBApp(MySqlAppStatus.get())
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_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
(action_text, log_name))
if gl_cache[log_name].type == guest_log.LogType.USER:
requires_change = ((gl_cache[log_name].enabled and disable) or
(not gl_cache[log_name].enabled and enable))
if requires_change:
restart_required = self.guest_log_enable(
context, log_name, disable)
if restart_required:
self.set_guest_log_status(
guest_log.LogStatus.Restart_Required, log_name)
gl_cache[log_name].enabled = enable
log_details = gl_cache[log_name].show()
if discard:
log_details = gl_cache[log_name].discard_log()
if publish:
log_details = gl_cache[log_name].publish_log()
LOG.info(
_("Details for log '%(log)s': %(det)s") % {
'log': log_name,
'det': log_details
})
return log_details
raise exception.NotFound("Log '%s' is not defined." % log_name)
#---------------------xtzhang-----------------add-----------------------
if __name__ == "__main__":
app = MySqlApp(MySqlAppStatus.get())
app.get_master_status()
def apply_overrides(self, context, overrides):
app = MySqlApp(MySqlAppStatus.get())
app.apply_overrides(overrides)
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 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 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,
'mysql',
'mysql',
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 and restart.
app.update_overrides("[mysqld]\ndatadir=%s/data\n" % mount_point)
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 update_status(self, context):
"""Update the status of the MySQL service."""
MySqlAppStatus.get().update()
def restart(self, context):
app = MySqlApp(MySqlAppStatus.get())
app.restart()
def apply_overrides(self, context, overrides):
app = MySqlApp(MySqlAppStatus.get())
app.apply_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 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 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 apply_overrides(self, context, overrides):
LOG.debug("Applying overrides (%s)." % overrides)
app = MySqlApp(MySqlAppStatus.get())
app.apply_overrides(overrides)
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 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 get_last_txn(self, context):
LOG.debug("Calling get_last_txn")
return MySqlApp(MySqlAppStatus.get()).get_last_txn()
def get_txn_count(self, context):
LOG.debug("Calling get_txn_count")
return MySqlApp(MySqlAppStatus.get()).get_txn_count()
def wait_for_txn(self, context, txn):
LOG.debug("Calling wait_for_txn.")
MySqlApp(MySqlAppStatus.get()).wait_for_txn(txn)
def get_last_txn(self, context):
LOG.debug("Calling get_last_txn")
return MySqlApp(MySqlAppStatus.get()).get_last_txn()
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 demote_replication_master(self, context):
LOG.debug("Demoting replication master.")
app = MySqlApp(MySqlAppStatus.get())
replication = REPLICATION_STRATEGY_CLASS(context)
replication.demote_master(app)
def wait_for_txn(self, context, txn):
LOG.debug("Calling wait_for_txn.")
MySqlApp(MySqlAppStatus.get()).wait_for_txn(txn)
def reset_configuration(self, context, configuration):
app = MySqlApp(MySqlAppStatus.get())
app.reset_configuration(configuration)
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
