trove/reddwarf/instance/views.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

122 lines
3.9 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 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 import cfg
from reddwarf.common import utils
from reddwarf.common.views import create_links
from reddwarf.instance import models
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
def get_ip_address(addresses):
if (addresses is not None and
addresses.get('private') is not None and
len(addresses['private']) > 0):
return [addr.get('addr') for addr in addresses['private']]
if (addresses is not None and
addresses.get('usernet') is not None and
len(addresses['usernet']) > 0):
return [addr.get('addr') for addr in addresses['usernet']]
class InstanceView(object):
"""Uses a SimpleInstance."""
def __init__(self, instance, req=None):
self.instance = instance
self.req = req
def data(self):
instance_dict = {
"id": self.instance.id,
"name": self.instance.name,
"status": self.instance.status,
"links": self._build_links(),
"flavor": self._build_flavor_info(),
}
if CONF.reddwarf_volume_support:
instance_dict['volume'] = {'size': self.instance.volume_size}
LOG.debug(instance_dict)
return {"instance": instance_dict}
def _build_links(self):
return create_links("instances", self.req, self.instance.id)
def _build_flavor_info(self):
return {
"id": self.instance.flavor_id,
"links": self._build_flavor_links()
}
def _build_flavor_links(self):
return create_links("flavors", self.req,
self.instance.flavor_id)
class InstanceDetailView(InstanceView):
"""Works with a full-blown instance."""
def __init__(self, instance, req):
super(InstanceDetailView, self).__init__(instance,
req=req)
def _to_gb(self, bytes):
return bytes / 1024.0 ** 3
def data(self):
result = super(InstanceDetailView, self).data()
result['instance']['created'] = self.instance.created
result['instance']['updated'] = self.instance.updated
dns_support = CONF.reddwarf_dns_support
if dns_support:
result['instance']['hostname'] = self.instance.hostname
if CONF.add_addresses:
ip = get_ip_address(self.instance.addresses)
if ip is not None and len(ip) > 0:
result['instance']['ip'] = ip
if CONF.reddwarf_volume_support:
if (isinstance(self.instance, models.DetailInstance) and
self.instance.volume_used):
used = self._to_gb(self.instance.volume_used)
result['instance']['volume']['used'] = used
return result
class InstancesView(object):
"""Shows a list of SimpleInstance objects."""
def __init__(self, instances, req=None):
self.instances = instances
self.req = req
def data(self):
data = []
# These are model instances
for instance in self.instances:
data.append(self.data_for_instance(instance))
return {'instances': data}
def data_for_instance(self, instance):
view = InstanceView(instance, req=self.req)
return view.data()['instance']