5a89faf496
Support rollback in the process of creating an instance Co-Authored-By: Zhong Luyao <luyao.zhong@intel.com> Implements: blueprint add-rollback-mechanism-for-creating-a-instance Change-Id: I2f373d5acee1db88ee1eb00160966ebb0977ad50
95 lines
3.7 KiB
Python
95 lines
3.7 KiB
Python
# Copyright 2016 Huawei Technologies Co.,LTD.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
"""
|
|
Client side of the engine RPC API.
|
|
"""
|
|
from oslo_config import cfg
|
|
import oslo_messaging as messaging
|
|
|
|
from nimble.common import constants
|
|
from nimble.common import rpc
|
|
from nimble.objects import base as objects_base
|
|
|
|
CONF = cfg.CONF
|
|
|
|
|
|
class EngineAPI(object):
|
|
"""Client side of the engine RPC API.
|
|
|
|
API version history:
|
|
|
|
| 1.0 - Initial version.
|
|
|
|
"""
|
|
|
|
RPC_API_VERSION = '1.0'
|
|
|
|
def __init__(self, topic=None):
|
|
super(EngineAPI, self).__init__()
|
|
self.topic = topic
|
|
if self.topic is None:
|
|
self.topic = constants.MANAGER_TOPIC
|
|
|
|
target = messaging.Target(topic=self.topic,
|
|
version='1.0')
|
|
serializer = objects_base.NimbleObjectSerializer()
|
|
self.client = rpc.get_client(target,
|
|
version_cap=self.RPC_API_VERSION,
|
|
serializer=serializer)
|
|
|
|
def create_instance(self, context, instance, requested_networks,
|
|
request_spec, filter_properties):
|
|
"""Signal to engine service to perform a deployment."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.cast(context, 'create_instance', instance=instance,
|
|
requested_networks=requested_networks,
|
|
request_spec=request_spec,
|
|
filter_properties=filter_properties)
|
|
|
|
def delete_instance(self, context, instance):
|
|
"""Signal to engine service to delete an instance."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.call(context, 'delete_instance', instance=instance)
|
|
|
|
def instance_states(self, context, instance):
|
|
"""Signal to engine service to get an instance states."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.call(context, 'instance_states', instance=instance)
|
|
|
|
def set_power_state(self, context, instance, state):
|
|
"""Signal to engine service to perform power action on instance."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
# need return?
|
|
return cctxt.call(context, 'set_power_state',
|
|
instance=instance, state=state)
|
|
|
|
def get_ironic_node(self, context, instance_uuid, fields):
|
|
"""Signal to engine service to get a ironic node."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.call(context, 'get_ironic_node',
|
|
instance_uuid=instance_uuid,
|
|
fields=fields)
|
|
|
|
def get_ironic_node_list(self, context, fields):
|
|
"""Signal to engine service to get ironic node list."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.call(context, 'get_ironic_node_list',
|
|
fields=fields)
|
|
|
|
def list_availability_zones(self, context):
|
|
"""Signal to engine service to get availability zone list."""
|
|
cctxt = self.client.prepare(topic=self.topic, server=CONF.host)
|
|
return cctxt.call(context, 'list_availability_zones')
|