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# Copyright 2012 OpenStack Foundation
# 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.
"""
Routes all the requests to the task manager.
"""
from trove.common import cfg
from trove.openstack.common.rpc import proxy
from trove.openstack.common import log as logging
from trove.openstack.common.gettextutils import _
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
RPC_API_VERSION = "1.0"
class API(proxy.RpcProxy):
"""API for interacting with the task manager."""
def __init__(self, context):
self.context = context
super(API, self).__init__(self._get_routing_key(),
RPC_API_VERSION)
def _transform_obj(self, obj_ref):
# Turn the object into a dictionary and remove the mgr
if "__dict__" in dir(obj_ref):
obj_dict = obj_ref.__dict__
# We assume manager contains a object due to the *clients
if obj_dict.get('manager'):
del obj_dict['manager']
return obj_dict
raise ValueError("Could not transform %s" % obj_ref)
def _get_routing_key(self):
"""Create the routing key for the taskmanager"""
return CONF.taskmanager_queue
def resize_volume(self, new_size, instance_id):
LOG.debug("Making async call to resize volume for instance: %s"
% instance_id)
self.cast(self.context, self.make_msg("resize_volume",
new_size=new_size,
instance_id=instance_id))
def resize_flavor(self, instance_id, old_flavor, new_flavor):
LOG.debug("Making async call to resize flavor for instance: %s" %
instance_id)
self.cast(self.context,
self.make_msg("resize_flavor",
instance_id=instance_id,
old_flavor=self._transform_obj(old_flavor),
new_flavor=self._transform_obj(new_flavor)))
def reboot(self, instance_id):
LOG.debug("Making async call to reboot instance: %s" % instance_id)
self.cast(self.context,
self.make_msg("reboot", instance_id=instance_id))
def restart(self, instance_id):
LOG.debug("Making async call to restart instance: %s" % instance_id)
self.cast(self.context,
self.make_msg("restart", instance_id=instance_id))
def migrate(self, instance_id, host):
LOG.debug("Making async call to migrate instance: %s" % instance_id)
self.cast(self.context,
self.make_msg("migrate", instance_id=instance_id, host=host))
def delete_instance(self, instance_id):
LOG.debug("Making async call to delete instance: %s" % instance_id)
self.cast(self.context,
self.make_msg("delete_instance", instance_id=instance_id))
def create_backup(self, backup_info, instance_id):
LOG.debug("Making async call to create a backup for instance: %s" %
instance_id)
self.cast(self.context, self.make_msg("create_backup",
backup_info=backup_info,
instance_id=instance_id))
def delete_backup(self, backup_id):
LOG.debug("Making async call to delete backup: %s" % backup_id)
self.cast(self.context, self.make_msg("delete_backup",
backup_id=backup_id))
def create_instance(self, instance_id, name, flavor,
image_id, databases, users, datastore_manager,
packages, volume_size, backup_id=None,
availability_zone=None, root_password=None,
nics=None, overrides=None):
LOG.debug("Making async call to create instance %s " % instance_id)
self.cast(self.context,
self.make_msg("create_instance",
instance_id=instance_id, name=name,
flavor=self._transform_obj(flavor),
image_id=image_id,
databases=databases,
users=users,
datastore_manager=
datastore_manager,
packages=packages,
volume_size=volume_size,
backup_id=backup_id,
availability_zone=availability_zone,
root_password=root_password,
nics=nics,
overrides=overrides))
def update_overrides(self, instance_id, overrides=None):
LOG.debug(_("Making async call to update configuration overrides for "
"instance %s") % instance_id)
self.cast(self.context,
self.make_msg("update_overrides",
instance_id=instance_id,
overrides=overrides))
def unassign_configuration(self, instance_id, flavor, configuration_id):
LOG.debug(_("Making async call to unassign configuration for "
"instance %s") % instance_id)
self.cast(self.context,
self.make_msg("unassign_configuration",
instance_id=instance_id,
flavor=self._transform_obj(flavor),
configuration_id=configuration_id))
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