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# Copyright (c) 2011 OpenStack, LLC.
# 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 reddwarfclient import base
import urlparse
from reddwarfclient.common import check_for_exceptions
from reddwarfclient.common import limit_url
from reddwarfclient.common import Paginated
from reddwarfclient.instances import Instance
class RootHistory(base.Resource):
def __repr__(self):
return ("<Root History: Instance %s enabled at %s by %s>"
% (self.id, self.created, self.user))
class Management(base.ManagerWithFind):
"""
Manage :class:`Instances` resources.
"""
resource_class = Instance
def _list(self, url, response_key, limit=None, marker=None):
resp, body = self.api.client.get(limit_url(url, limit, marker))
if not body:
raise Exception("Call to " + url + " did not return a body.")
links = body.get('links', [])
next_links = [link['href'] for link in links if link['rel'] == 'next']
next_marker = None
for link in next_links:
# Extract the marker from the url.
parsed_url = urlparse.urlparse(link)
query_dict = dict(urlparse.parse_qsl(parsed_url.query))
next_marker = query_dict.get('marker', None)
instances = body[response_key]
instances = [self.resource_class(self, res) for res in instances]
return Paginated(instances, next_marker=next_marker, links=links)
def show(self, instance):
"""
Get details of one instance.
:rtype: :class:`Instance`.
"""
return self._get("/mgmt/instances/%s" % base.getid(instance),
'instance')
def index(self, deleted=None, limit=None, marker=None):
"""
Show an overview of all local instances.
Optionally, filter by deleted status.
:rtype: list of :class:`Instance`.
"""
form = ''
if deleted is not None:
if deleted:
form = "?deleted=true"
else:
form = "?deleted=false"
url = "/mgmt/instances%s" % form
return self._list(url, "instances", limit, marker)
def root_enabled_history(self, instance):
"""
Get root access history of one instance.
"""
url = "/mgmt/instances/%s/root" % base.getid(instance)
resp, body = self.api.client.get(url)
if not body:
raise Exception("Call to " + url + " did not return a body.")
return RootHistory(self, body['root_history'])
def _action(self, instance_id, body):
"""
Perform a server "action" -- reboot/rebuild/resize/etc.
"""
url = "/mgmt/instances/%s/action" % instance_id
resp, body = self.api.client.post(url, body=body)
check_for_exceptions(resp, body)
def stop(self, instance_id):
body = {'stop': {}}
self._action(instance_id, body)
def reboot(self, instance_id):
"""
Reboot the underlying OS.
:param instance_id: The :class:`Instance` (or its ID) to share onto.
"""
body = {'reboot': {}}
self._action(instance_id, body)
def migrate(self, instance_id):
"""
Migrate the instance.
:param instance_id: The :class:`Instance` (or its ID) to share onto.
"""
body = {'migrate': {}}
self._action(instance_id, body)
def update(self, instance_id):
"""
Update the guest agent via apt-get.
"""
body = {'update': {}}
self._action(instance_id, body)
def reset_task_status(self, instance_id):
"""
Set the task status to NONE.
"""
body = {'reset-task-status': {}}
self._action(instance_id, body)
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