144 lines
5.6 KiB
Python
144 lines
5.6 KiB
Python
# Copyright 2013 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.
|
|
|
|
|
|
from oslo_log import log as logging
|
|
from oslo_utils import strutils
|
|
from webob import exc
|
|
|
|
from nova.api.openstack import api_version_request
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack.compute.schemas import evacuate
|
|
from nova.api.openstack import wsgi
|
|
from nova.api import validation
|
|
from nova.compute import api as compute
|
|
import nova.conf
|
|
from nova import exception
|
|
from nova.i18n import _
|
|
from nova.network import neutron
|
|
from nova.policies import evacuate as evac_policies
|
|
from nova import utils
|
|
|
|
CONF = nova.conf.CONF
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class EvacuateController(wsgi.Controller):
|
|
def __init__(self):
|
|
super(EvacuateController, self).__init__()
|
|
self.compute_api = compute.API()
|
|
self.host_api = compute.HostAPI()
|
|
self.network_api = neutron.API()
|
|
|
|
def _get_on_shared_storage(self, req, evacuate_body):
|
|
if api_version_request.is_supported(req, min_version='2.14'):
|
|
return None
|
|
else:
|
|
return strutils.bool_from_string(evacuate_body["onSharedStorage"])
|
|
|
|
def _get_password(self, req, evacuate_body, on_shared_storage):
|
|
password = None
|
|
if 'adminPass' in evacuate_body:
|
|
# check that if requested to evacuate server on shared storage
|
|
# password not specified
|
|
if on_shared_storage:
|
|
msg = _("admin password can't be changed on existing disk")
|
|
raise exc.HTTPBadRequest(explanation=msg)
|
|
|
|
password = evacuate_body['adminPass']
|
|
elif not on_shared_storage:
|
|
password = utils.generate_password()
|
|
|
|
return password
|
|
|
|
def _get_password_v214(self, req, evacuate_body):
|
|
if 'adminPass' in evacuate_body:
|
|
password = evacuate_body['adminPass']
|
|
else:
|
|
password = utils.generate_password()
|
|
|
|
return password
|
|
|
|
# TODO(eliqiao): Should be responding here with 202 Accept
|
|
# because evacuate is an async call, but keep to 200 for
|
|
# backwards compatibility reasons.
|
|
@wsgi.expected_errors((400, 403, 404, 409))
|
|
@wsgi.action('evacuate')
|
|
@validation.schema(evacuate.evacuate, "2.0", "2.13")
|
|
@validation.schema(evacuate.evacuate_v214, "2.14", "2.28")
|
|
@validation.schema(evacuate.evacuate_v2_29, "2.29", "2.67")
|
|
@validation.schema(evacuate.evacuate_v2_68, "2.68")
|
|
def _evacuate(self, req, id, body):
|
|
"""Permit admins to evacuate a server from a failed host
|
|
to a new one.
|
|
"""
|
|
context = req.environ["nova.context"]
|
|
instance = common.get_instance(self.compute_api, context, id)
|
|
context.can(evac_policies.BASE_POLICY_NAME,
|
|
target={'user_id': instance.user_id,
|
|
'project_id': instance.project_id})
|
|
|
|
evacuate_body = body["evacuate"]
|
|
host = evacuate_body.get("host")
|
|
force = None
|
|
|
|
on_shared_storage = self._get_on_shared_storage(req, evacuate_body)
|
|
|
|
if api_version_request.is_supported(req, min_version='2.29'):
|
|
force = body["evacuate"].get("force", False)
|
|
force = strutils.bool_from_string(force, strict=True)
|
|
if force is True and not host:
|
|
message = _("Can't force to a non-provided destination")
|
|
raise exc.HTTPBadRequest(explanation=message)
|
|
if api_version_request.is_supported(req, min_version='2.14'):
|
|
password = self._get_password_v214(req, evacuate_body)
|
|
else:
|
|
password = self._get_password(req, evacuate_body,
|
|
on_shared_storage)
|
|
|
|
if host is not None:
|
|
try:
|
|
self.host_api.service_get_by_compute_host(context, host)
|
|
except (exception.ComputeHostNotFound,
|
|
exception.HostMappingNotFound):
|
|
msg = _("Compute host %s not found.") % host
|
|
raise exc.HTTPNotFound(explanation=msg)
|
|
|
|
if instance.host == host:
|
|
msg = _("The target host can't be the same one.")
|
|
raise exc.HTTPBadRequest(explanation=msg)
|
|
|
|
try:
|
|
self.compute_api.evacuate(context, instance, host,
|
|
on_shared_storage, password, force)
|
|
except exception.InstanceInvalidState as state_error:
|
|
common.raise_http_conflict_for_instance_invalid_state(state_error,
|
|
'evacuate', id)
|
|
except exception.ComputeServiceInUse as e:
|
|
raise exc.HTTPBadRequest(explanation=e.format_message())
|
|
except exception.ForbiddenWithAccelerators as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|
|
except (
|
|
exception.OperationNotSupportedForVTPM,
|
|
exception.OperationNotSupportedForVDPAInterface,
|
|
) as e:
|
|
raise exc.HTTPConflict(explanation=e.format_message())
|
|
|
|
if (not api_version_request.is_supported(req, min_version='2.14') and
|
|
CONF.api.enable_instance_password):
|
|
return {'adminPass': password}
|
|
else:
|
|
return None
|