class InstanceImageAction(action.Action):
is_global = True # store in global container
def __init__(self, context):
self.clients = Clients(context)
self._image_id = None
self._name = None
self._resource_id = None
self.data_block_size_bytes = CONF.backup_image_object_size
# super(action.Action, self).__init__(workload_action_excution_id)
def pre_protect(self, cntx, workload_action_excution_id,
resource_id):
pass
def post_protect(self, cntx, workload_action_excution_id,
resource_id):
pass
def protect(self, cntx, workload_action_excution_id,
resource_id, container_name):
LOG.debug("protecting instance (image copied) %s" % (resource_id))
instance = self.clients.nova().servers.get(resource_id)
self._image_id = instance.image['id']
self._name = instance.name
self._resource_id = resource_id
instance_copy_execution =\
ae.ActionExecution(workload_action_excution_id,
resource_id, self.id)
result = self._imagecopy(cntx, instance, container_name,
instance_copy_execution)
return result
def generate_template(self, context, template_gen):
instance = InstanceResource(self._image_id, self._name, resource_id=self._resource_id)
template_gen.add_instance(instance)
def failover(self, context, resource_id, resource_data, container_name):
return self._import_from_swift(context, resource_id,
resource_data, container_name)
def _import_from_swift(self, context, resource_id,
resource_data, container_name):
LOG.debug("resource %s data %s container %s" %
(resource_id, resource_data, container_name))
swift_client = self.clients.swift()
data_chunks = resource_data["chunks"]
image_id = resource_data["image_id"]
image_response_data = StringIO.StringIO()
for chunk in range(data_chunks):
swift_meta, image_response =\
swift_client.get_object(container_name,
image_id + "_" + str(chunk))
image_response_data.write(image_response)
try:
image = {}
image['name'] = resource_data["meta"]["name"]
image['size'] = resource_data["meta"]["size"]
image['disk_format'] = resource_data["meta"]["disk_format"]
image['container_format'] =\
resource_data["meta"]["container_format"]
image['id'] = uuidutils.generate_uuid()
image_response_data.seek(0, os.SEEK_SET)
self.clients.glance().images.create(data=image_response_data,
**image)
self._image_id = image['id']
self._name = resource_data["instance_name"]
return True
# except ImageAlreadyPresentException:
except Exception, e:
LOG.error(e)
return False
class InstanceImageAction(action.Action):
is_global = True # store in global container
def __init__(self, context):
self.clients = Clients(context)
self._image_id = None
self._name = None
self._resource_id = None
self.data_block_size_bytes = CONF.backup_image_object_size
# super(action.Action, self).__init__(workload_action_excution_id)
def pre_protect(self, cntx, workload_action_excution_id, resource_id):
pass
def post_protect(self, cntx, workload_action_excution_id, resource_id):
pass
def protect(self, cntx, workload_action_excution_id, resource_id,
container_name):
LOG.debug("protecting instance (image copied) %s" % (resource_id))
instance = self.clients.nova().servers.get(resource_id)
self._image_id = instance.image['id']
self._name = instance.name
self._resource_id = resource_id
instance_copy_execution =\
ae.ActionExecution(workload_action_excution_id,
resource_id, self.id)
result = self._imagecopy(cntx, instance, container_name,
instance_copy_execution)
return result
def generate_template(self, context, template_gen):
instance = InstanceResource(self._image_id,
self._name,
resource_id=self._resource_id)
template_gen.add_instance(instance)
def failover(self, context, resource_id, resource_data, container_name):
return self._import_from_swift(context, resource_id, resource_data,
container_name)
def _import_from_swift(self, context, resource_id, resource_data,
container_name):
LOG.debug("resource %s data %s container %s" %
(resource_id, resource_data, container_name))
swift_client = self.clients.swift()
data_chunks = resource_data["chunks"]
image_id = resource_data["image_id"]
image_response_data = StringIO.StringIO()
for chunk in range(data_chunks):
swift_meta, image_response =\
swift_client.get_object(container_name,
image_id + "_" + str(chunk))
image_response_data.write(image_response)
try:
image = {}
image['name'] = resource_data["meta"]["name"]
image['size'] = resource_data["meta"]["size"]
image['disk_format'] = resource_data["meta"]["disk_format"]
image['container_format'] =\
resource_data["meta"]["container_format"]
image['id'] = uuidutils.generate_uuid()
image_response_data.seek(0, os.SEEK_SET)
self.clients.glance().images.create(data=image_response_data,
**image)
self._image_id = image['id']
self._name = resource_data["instance_name"]
return True
# except ImageAlreadyPresentException:
except Exception, e:
LOG.error(e)
return False
