python-novaclient/novaclient/v2/services.py
Carlos Goncalves 39739158b0 Support forcing service down
Extending Nova CLI to support forcing service to be set/unset as down,
as specified in blueprint mark-host-down.

Depends-On: I612582ba7b70bb6d167aa68bdfc47faa3b7b85ed
Depends-On: I39f1a84c100726f87a4dc464dd9922d66efdb53f
Implements: blueprint support-force-down-service
Change-Id: I2b80ac32a95fe80363b4ad95d8d89fff097935a3
2015-08-07 17:47:59 +01:00

95 lines
3.2 KiB
Python

# Copyright 2012 IBM Corp.
# 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.
"""
service interface
"""
from novaclient import api_versions
from novaclient import base
class Service(base.Resource):
def __repr__(self):
return "<Service: %s>" % self.binary
def _add_details(self, info):
dico = 'resource' in info and info['resource'] or info
for (k, v) in dico.items():
setattr(self, k, v)
class ServiceManager(base.ManagerWithFind):
resource_class = Service
def list(self, host=None, binary=None):
"""
Describes cpu/memory/hdd info for host.
:param host: destination host name.
"""
url = "/os-services"
filters = []
if host:
filters.append("host=%s" % host)
if binary:
filters.append("binary=%s" % binary)
if filters:
url = "%s?%s" % (url, "&".join(filters))
return self._list(url, "services")
@api_versions.wraps("2.0", "2.10")
def _update_body(self, host, binary, disabled_reason=None):
body = {"host": host,
"binary": binary}
if disabled_reason is not None:
body["disabled_reason"] = disabled_reason
return body
@api_versions.wraps("2.11")
def _update_body(self, host, binary, disabled_reason=None,
force_down=None):
body = {"host": host,
"binary": binary}
if disabled_reason is not None:
body["disabled_reason"] = disabled_reason
if force_down is not None:
body["forced_down"] = force_down
return body
def enable(self, host, binary):
"""Enable the service specified by hostname and binary."""
body = self._update_body(host, binary)
return self._update("/os-services/enable", body, "service")
def disable(self, host, binary):
"""Disable the service specified by hostname and binary."""
body = self._update_body(host, binary)
return self._update("/os-services/disable", body, "service")
def disable_log_reason(self, host, binary, reason):
"""Disable the service with reason."""
body = self._update_body(host, binary, reason)
return self._update("/os-services/disable-log-reason", body, "service")
def delete(self, service_id):
"""Delete a service."""
return self._delete("/os-services/%s" % service_id)
@api_versions.wraps("2.11")
def force_down(self, host, binary, force_down=None):
"""Force service state to down specified by hostname and binary."""
body = self._update_body(host, binary, force_down=force_down)
return self._update("/os-services/force-down", body, "service")