trove/reddwarf/extensions/account/models.py
Russell Bryant 1aaed59b4b s/OpenStack LLC/OpenStack Foundation/ in Copyright.
Update Copyright statements that previously said 'OpenStack LLC' to now
say 'OpenStack Foundation'.  Note that the files under openstack/common/
were not updated, as those changes should be brought in by syncing with
oslo-incubator.

Change-Id: I22db9858e899cff72053a4b48100fcc039f5d9dd
2013-04-29 18:33:42 -04:00

80 lines
2.8 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010-2011 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.
from reddwarf.openstack.common import log as logging
from reddwarf.common.remote import create_nova_client
from reddwarf.instance.models import DBInstance
from reddwarf.extensions.mgmt.instances.models import MgmtInstances
from reddwarf.common.exception import Forbidden
LOG = logging.getLogger(__name__)
class Server(object):
"""Disguises the Nova account instance dict as a server object."""
def __init__(self, server):
self.id = server['id']
self.status = server['status']
self.name = server['name']
self.host = server['host']
@staticmethod
def list_from_account_server_list(servers):
"""Converts a list of server account dicts to this object."""
return [Server(server) for server in servers]
class Account(object):
"""Contains all instances owned by an account."""
def __init__(self, id, instances):
self.id = id
self.instances = instances
@staticmethod
def load(context, id):
client = create_nova_client(context)
account = client.accounts.get_instances(id)
db_infos = DBInstance.find_all(tenant_id=id, deleted=False)
servers = [Server(server) for server in account.servers]
instances = MgmtInstances.load_status_from_existing(context, db_infos,
servers)
return Account(id, instances)
class AccountsSummary(object):
def __init__(self, accounts):
self.accounts = accounts
@classmethod
def load(cls):
# TODO(pdmars): This should probably be changed to a more generic
# database filter query if one is added, however, this should suffice
# for now.
db_infos = DBInstance.find_all(deleted=False)
tenant_ids_for_instances = [db_info.tenant_id for db_info in db_infos]
tenant_ids = set(tenant_ids_for_instances)
LOG.debug("All tenants with instances: %s" % tenant_ids)
accounts = []
for tenant_id in tenant_ids:
num_instances = tenant_ids_for_instances.count(tenant_id)
accounts.append({'id': tenant_id, 'num_instances': num_instances})
return cls(accounts)