def revert(self, *args, **kwargs):
LOG.warning(_LW("Revert action: %s"), self.name)
try:
self.action.revert()
except Exception as e:
LOG.exception(e)
LOG.critical(_LC("Oops! We need a disaster recover plan."))
def _live_migrate_instance(self, nova, destination):
result = None
try:
result = nova.live_migrate_instance(instance_id=self.instance_uuid,
dest_hostname=destination)
except nova_helper.nvexceptions.ClientException as e:
if e.code == 400:
LOG.debug("Live migration of instance %s failed. "
"Trying to live migrate using block migration." %
self.instance_uuid)
result = nova.live_migrate_instance(
instance_id=self.instance_uuid,
dest_hostname=destination,
block_migration=True)
else:
LOG.debug("Nova client exception occurred while live "
"migrating instance %s.Exception: %s" %
(self.instance_uuid, e))
except Exception:
LOG.critical(
_LC("Unexpected error occurred. Migration failed for "
"instance %s. Leaving instance on previous "
"host."), self.instance_uuid)
return result
def revert(self, *args, **kwargs):
LOG.warning(_LW("Revert action: %s"), self.name)
try:
# TODO(jed): do we need to update the states in case of failure?
self.action.revert()
except Exception as e:
LOG.exception(e)
LOG.critical(_LC("Oops! We need a disaster recover plan."))
def _cold_migrate_instance(self, nova, destination):
result = None
try:
result = nova.watcher_non_live_migrate_instance(
instance_id=self.instance_uuid,
dest_hostname=destination)
except Exception as exc:
LOG.exception(exc)
LOG.critical(_LC("Unexpected error occurred. Migration failed for "
"instance %s. Leaving instance on previous "
"host."), self.instance_uuid)
return result
def _cold_migrate_instance(self, nova, destination):
result = None
try:
result = nova.watcher_non_live_migrate_instance(
instance_id=self.instance_uuid, dest_hostname=destination)
except Exception as exc:
LOG.exception(exc)
LOG.critical(
_LC("Unexpected error occurred. Migration failed for "
"instance %s. Leaving instance on previous "
"host."), self.instance_uuid)
return result
def resize(self):
nova = nova_helper.NovaHelper(osc=self.osc)
LOG.debug("Resize instance %s to %s flavor", self.instance_uuid,
self.flavor)
instance = nova.find_instance(self.instance_uuid)
result = None
if instance:
try:
result = nova.resize_instance(instance_id=self.instance_uuid,
flavor=self.flavor)
except Exception as exc:
LOG.exception(exc)
LOG.critical(
_LC("Unexpected error occurred. Resizing failed for "
"instance %s."), self.instance_uuid)
return result
def _live_migrate_instance(self, nova, destination):
result = None
try:
result = nova.live_migrate_instance(instance_id=self.instance_uuid,
dest_hostname=destination)
except nova_helper.nvexceptions.ClientException as e:
if e.code == 400:
LOG.debug("Live migration of instance %s failed. "
"Trying to live migrate using block migration."
% self.instance_uuid)
result = nova.live_migrate_instance(
instance_id=self.instance_uuid,
dest_hostname=destination,
block_migration=True)
else:
LOG.debug("Nova client exception occured while live migrating "
"instance %s.Exception: %s" %
(self.instance_uuid, e))
except Exception:
LOG.critical(_LC("Unexpected error occured. Migration failed for"
"instance %s. Leaving instance on previous "
"host."), self.instance_uuid)
return result
