Files
trove/reddwarf/extensions/mgmt/models.py
Sudarshan Acharya 7cd37cb0d3 Mgmt instances.
2012-08-21 14:28:15 -05:00

99 lines
2.9 KiB
Python

# Copyright 2012 OpenStack LLC
#
# 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.
import logging
from reddwarf.common import config
from reddwarf.common.remote import create_nova_client
from reddwarf.instance import models as imodels
from reddwarf.instance.models import load_instance
from reddwarf.instance import models as instance_models
CONFIG = config.Config
LOG = logging.getLogger(__name__)
def load_mgmt_instance(cls, context, id):
instance = load_instance(cls, context, id, needs_server=True)
return instance
def load_mgmt_instances(context):
client = create_nova_client(context)
mgmt = client.mgmt.get_servers()
db_infos = instance_models.DBInstance.find_all()
instances = MgmtInstances.load_status_from_existing(context,
db_infos, mgmt.servers)
return instances
class SimpleMgmtInstance(imodels.BaseInstance):
@property
def host(self):
return self.server.host if self.server else ""
@property
def deleted(self):
return self.server.deleted if self.server else ""
@property
def deleted_at(self):
return self.server.deleted_at if self.server else ""
class MgmtInstance(imodels.Instance):
def get_diagnostics(self):
return self.get_guest().get_diagnostics()
class MgmtInstances(imodels.Instances):
@staticmethod
def load_status_from_existing(context, db_infos, servers):
def load_instance(context, db, status, server=None):
return SimpleMgmtInstance(context, db, server, status)
if context is None:
raise TypeError("Argument context not defined.")
find_server = imodels.create_server_list_matcher(
_convert_server_objects(servers))
ret = imodels.Instances._load_servers_status(load_instance, context,
db_infos, find_server)
return ret
def _convert_server_objects(servers):
server_objs = []
for server in servers:
server_objs.append(Server(server))
return server_objs
class Server(object):
def __init__(self, server):
self.id = server['id']
self.status = server['status']
self.name = server['name']
self.host = server['host']
if 'deleted' in server:
self.deleted = server['deleted']
if 'deleted_at' in server:
self.deleted_at = server['deleted_at']