deb-cinder/cinder/api/contrib/volume_actions.py
Ivan Kolodyazhny c042a05ac3 Remove XML API
Cinder XML API is not tested by Tempest about for one year.
We don't know if it works or not. It was deprecated in
Mitaka release.

Implements blueprint: remove-xml-api
APIImpact
DocImpact
UpgradeImpact

Change-Id: If98db25f1f4032725444c3959acb9aad8f869802
2016-04-21 16:05:29 +00:00

385 lines
15 KiB
Python

# Copyright 2012 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_config import cfg
from oslo_log import log as logging
import oslo_messaging as messaging
from oslo_utils import encodeutils
from oslo_utils import strutils
import six
import webob
from cinder.api import extensions
from cinder.api.openstack import api_version_request
from cinder.api.openstack import wsgi
from cinder import exception
from cinder.i18n import _
from cinder import utils
from cinder import volume
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
def authorize(context, action_name):
action = 'volume_actions:%s' % action_name
extensions.extension_authorizer('volume', action)(context)
class VolumeActionsController(wsgi.Controller):
def __init__(self, *args, **kwargs):
super(VolumeActionsController, self).__init__(*args, **kwargs)
self.volume_api = volume.API()
@wsgi.action('os-attach')
def _attach(self, req, id, body):
"""Add attachment metadata."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
# instance uuid is an option now
instance_uuid = None
if 'instance_uuid' in body['os-attach']:
instance_uuid = body['os-attach']['instance_uuid']
host_name = None
# Keep API backward compatibility
if 'host_name' in body['os-attach']:
host_name = body['os-attach']['host_name']
mountpoint = body['os-attach']['mountpoint']
if 'mode' in body['os-attach']:
mode = body['os-attach']['mode']
else:
mode = 'rw'
if instance_uuid is None and host_name is None:
msg = _("Invalid request to attach volume to an invalid target")
raise webob.exc.HTTPBadRequest(explanation=msg)
if mode not in ('rw', 'ro'):
msg = _("Invalid request to attach volume with an invalid mode. "
"Attaching mode should be 'rw' or 'ro'")
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
self.volume_api.attach(context, volume,
instance_uuid, host_name, mountpoint, mode)
except messaging.RemoteError as error:
if error.exc_type in ['InvalidVolume', 'InvalidUUID',
'InvalidVolumeAttachMode']:
msg = "Error attaching volume - %(err_type)s: %(err_msg)s" % {
'err_type': error.exc_type, 'err_msg': error.value}
raise webob.exc.HTTPBadRequest(explanation=msg)
else:
# There are also few cases where attach call could fail due to
# db or volume driver errors. These errors shouldn't be exposed
# to the user and in such cases it should raise 500 error.
raise
return webob.Response(status_int=202)
@wsgi.action('os-detach')
def _detach(self, req, id, body):
"""Clear attachment metadata."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
attachment_id = None
if body['os-detach']:
attachment_id = body['os-detach'].get('attachment_id', None)
try:
self.volume_api.detach(context, volume, attachment_id)
except messaging.RemoteError as error:
if error.exc_type in ['VolumeAttachmentNotFound', 'InvalidVolume']:
msg = "Error detaching volume - %(err_type)s: %(err_msg)s" % \
{'err_type': error.exc_type, 'err_msg': error.value}
raise webob.exc.HTTPBadRequest(explanation=msg)
else:
# There are also few cases where detach call could fail due to
# db or volume driver errors. These errors shouldn't be exposed
# to the user and in such cases it should raise 500 error.
raise
return webob.Response(status_int=202)
@wsgi.action('os-reserve')
def _reserve(self, req, id, body):
"""Mark volume as reserved."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
self.volume_api.reserve_volume(context, volume)
return webob.Response(status_int=202)
@wsgi.action('os-unreserve')
def _unreserve(self, req, id, body):
"""Unmark volume as reserved."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
self.volume_api.unreserve_volume(context, volume)
return webob.Response(status_int=202)
@wsgi.action('os-begin_detaching')
def _begin_detaching(self, req, id, body):
"""Update volume status to 'detaching'."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
self.volume_api.begin_detaching(context, volume)
return webob.Response(status_int=202)
@wsgi.action('os-roll_detaching')
def _roll_detaching(self, req, id, body):
"""Roll back volume status to 'in-use'."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
self.volume_api.roll_detaching(context, volume)
return webob.Response(status_int=202)
@wsgi.action('os-initialize_connection')
def _initialize_connection(self, req, id, body):
"""Initialize volume attachment."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
try:
connector = body['os-initialize_connection']['connector']
except KeyError:
raise webob.exc.HTTPBadRequest(
explanation=_("Must specify 'connector'"))
try:
info = self.volume_api.initialize_connection(context,
volume,
connector)
except exception.InvalidInput as err:
raise webob.exc.HTTPBadRequest(
explanation=err)
except exception.VolumeBackendAPIException as error:
msg = _("Unable to fetch connection information from backend.")
raise webob.exc.HTTPInternalServerError(explanation=msg)
return {'connection_info': info}
@wsgi.action('os-terminate_connection')
def _terminate_connection(self, req, id, body):
"""Terminate volume attachment."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
try:
connector = body['os-terminate_connection']['connector']
except KeyError:
raise webob.exc.HTTPBadRequest(
explanation=_("Must specify 'connector'"))
try:
self.volume_api.terminate_connection(context, volume, connector)
except exception.VolumeBackendAPIException as error:
msg = _("Unable to terminate volume connection from backend.")
raise webob.exc.HTTPInternalServerError(explanation=msg)
return webob.Response(status_int=202)
@wsgi.response(202)
@wsgi.action('os-volume_upload_image')
def _volume_upload_image(self, req, id, body):
"""Uploads the specified volume to image service."""
context = req.environ['cinder.context']
params = body['os-volume_upload_image']
req_version = req.api_version_request
if not params.get("image_name"):
msg = _("No image_name was specified in request.")
raise webob.exc.HTTPBadRequest(explanation=msg)
force = params.get('force', 'False')
try:
force = strutils.bool_from_string(force, strict=True)
except ValueError as error:
err_msg = encodeutils.exception_to_unicode(error)
msg = _("Invalid value for 'force': '%s'") % err_msg
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
authorize(context, "upload_image")
image_metadata = {"container_format": params.get("container_format",
"bare"),
"disk_format": params.get("disk_format", "raw"),
"name": params["image_name"]}
if req_version >= api_version_request.APIVersionRequest('3.1'):
image_metadata['visibility'] = params.get('visibility', 'private')
image_metadata['protected'] = params.get('protected', 'False')
if image_metadata['visibility'] == 'public':
authorize(context, 'upload_public')
if CONF.glance_api_version != 2:
# Replace visibility with is_public for Glance V1
image_metadata['is_public'] = (
image_metadata['visibility'] == 'public')
image_metadata.pop('visibility', None)
image_metadata['protected'] = (
utils.get_bool_param('protected', image_metadata))
try:
response = self.volume_api.copy_volume_to_image(context,
volume,
image_metadata,
force)
except exception.InvalidVolume as error:
raise webob.exc.HTTPBadRequest(explanation=error.msg)
except ValueError as error:
raise webob.exc.HTTPBadRequest(explanation=six.text_type(error))
except messaging.RemoteError as error:
msg = "%(err_type)s: %(err_msg)s" % {'err_type': error.exc_type,
'err_msg': error.value}
raise webob.exc.HTTPBadRequest(explanation=msg)
except Exception as error:
raise webob.exc.HTTPBadRequest(explanation=six.text_type(error))
return {'os-volume_upload_image': response}
@wsgi.action('os-extend')
def _extend(self, req, id, body):
"""Extend size of volume."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
try:
int(body['os-extend']['new_size'])
except (KeyError, ValueError, TypeError):
msg = _("New volume size must be specified as an integer.")
raise webob.exc.HTTPBadRequest(explanation=msg)
size = int(body['os-extend']['new_size'])
try:
self.volume_api.extend(context, volume, size)
except exception.InvalidVolume as error:
raise webob.exc.HTTPBadRequest(explanation=error.msg)
return webob.Response(status_int=202)
@wsgi.action('os-update_readonly_flag')
def _volume_readonly_update(self, req, id, body):
"""Update volume readonly flag."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
try:
readonly_flag = body['os-update_readonly_flag']['readonly']
except KeyError:
msg = _("Must specify readonly in request.")
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
readonly_flag = strutils.bool_from_string(readonly_flag,
strict=True)
except ValueError as error:
err_msg = encodeutils.exception_to_unicode(error)
msg = _("Invalid value for 'readonly': '%s'") % err_msg
raise webob.exc.HTTPBadRequest(explanation=msg)
self.volume_api.update_readonly_flag(context, volume, readonly_flag)
return webob.Response(status_int=202)
@wsgi.action('os-retype')
def _retype(self, req, id, body):
"""Change type of existing volume."""
context = req.environ['cinder.context']
volume = self.volume_api.get(context, id)
try:
new_type = body['os-retype']['new_type']
except KeyError:
msg = _("New volume type must be specified.")
raise webob.exc.HTTPBadRequest(explanation=msg)
policy = body['os-retype'].get('migration_policy')
self.volume_api.retype(context, volume, new_type, policy)
return webob.Response(status_int=202)
@wsgi.action('os-set_bootable')
def _set_bootable(self, req, id, body):
"""Update bootable status of a volume."""
context = req.environ['cinder.context']
try:
volume = self.volume_api.get(context, id)
except exception.VolumeNotFound as error:
raise webob.exc.HTTPNotFound(explanation=error.msg)
try:
bootable = body['os-set_bootable']['bootable']
except KeyError:
msg = _("Must specify bootable in request.")
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
bootable = strutils.bool_from_string(bootable,
strict=True)
except ValueError as error:
err_msg = encodeutils.exception_to_unicode(error)
msg = _("Invalid value for 'bootable': '%s'") % err_msg
raise webob.exc.HTTPBadRequest(explanation=msg)
update_dict = {'bootable': bootable}
self.volume_api.update(context, volume, update_dict)
return webob.Response(status_int=200)
class Volume_actions(extensions.ExtensionDescriptor):
"""Enable volume actions."""
name = "VolumeActions"
alias = "os-volume-actions"
updated = "2012-05-31T00:00:00+00:00"
def get_controller_extensions(self):
controller = VolumeActionsController()
extension = extensions.ControllerExtension(self, 'volumes', controller)
return [extension]