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# Copyright 2011 OpenStack Foundation
#
# 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 webob
from webob import exc
from nova.api.openstack import common
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova import compute
from nova.compute import vm_states
from nova import exception
from nova.openstack.common.gettextutils import _
from nova.openstack.common import log as logging
LOG = logging.getLogger(__name__)
ALIAS = "os-admin-actions"
# States usable in resetState action
state_map = dict(active=vm_states.ACTIVE, error=vm_states.ERROR)
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def authorize(context, action_name):
action = 'v3:%s:%s' % (ALIAS, action_name)
extensions.extension_authorizer('compute', action)(context)
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class AdminActionsController(wsgi.Controller):
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def __init__(self, *args, **kwargs):
super(AdminActionsController, self).__init__(*args, **kwargs)
self.compute_api = compute.API()
@extensions.expected_errors((404, 409))
@wsgi.action('reset_network')
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def _reset_network(self, req, id, body):
"""Permit admins to reset networking on a server."""
context = req.environ['nova.context']
authorize(context, 'reset_network')
try:
instance = common.get_instance(self.compute_api, context, id,
want_objects=True)
self.compute_api.reset_network(context, instance)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
return webob.Response(status_int=202)
@extensions.expected_errors((404, 409))
@wsgi.action('inject_network_info')
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def _inject_network_info(self, req, id, body):
"""Permit admins to inject network info into a server."""
context = req.environ['nova.context']
authorize(context, 'inject_network_info')
try:
instance = common.get_instance(self.compute_api, context, id,
want_objects=True)
self.compute_api.inject_network_info(context, instance)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
return webob.Response(status_int=202)
@extensions.expected_errors((400, 404))
@wsgi.action('reset_state')
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def _reset_state(self, req, id, body):
"""Permit admins to reset the state of a server."""
context = req.environ["nova.context"]
authorize(context, 'reset_state')
# Identify the desired state from the body
try:
state = state_map[body["reset_state"]["state"]]
except (TypeError, KeyError):
msg = _("Desired state must be specified. Valid states "
"are: %s") % ', '.join(sorted(state_map.keys()))
raise exc.HTTPBadRequest(explanation=msg)
instance = common.get_instance(self.compute_api, context, id,
want_objects=True)
instance.vm_state = state
instance.task_state = None
instance.save(admin_state_reset=True)
return webob.Response(status_int=202)
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class AdminActions(extensions.V3APIExtensionBase):
"""Enable admin-only server actions
Actions include: pause, unpause, suspend, resume, migrate,
reset_network, inject_network_info, lock, unlock, create_backup
"""
name = "AdminActions"
alias = ALIAS
namespace = "http://docs.openstack.org/compute/ext/%s/api/v3" % ALIAS
version = 1
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def get_controller_extensions(self):
controller = AdminActionsController()
extension = extensions.ControllerExtension(self, 'servers', controller)
return [extension]
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def get_resources(self):
return []