135 lines
5.5 KiB
Python
135 lines
5.5 KiB
Python
# 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 webob import exc
|
|
|
|
from nova.api.openstack.api_version_request import \
|
|
MAX_IMAGE_META_PROXY_API_VERSION
|
|
from nova.api.openstack import common
|
|
from nova.api.openstack.compute.schemas import image_metadata
|
|
from nova.api.openstack import wsgi
|
|
from nova.api import validation
|
|
from nova import exception
|
|
from nova.i18n import _
|
|
from nova.image import glance
|
|
|
|
|
|
class ImageMetadataController(wsgi.Controller):
|
|
"""The image metadata API controller for the OpenStack API."""
|
|
|
|
def __init__(self):
|
|
super(ImageMetadataController, self).__init__()
|
|
self.image_api = glance.API()
|
|
|
|
def _get_image(self, context, image_id):
|
|
try:
|
|
return self.image_api.get(context, image_id)
|
|
except exception.ImageNotAuthorized as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|
|
except exception.ImageNotFound:
|
|
msg = _("Image not found.")
|
|
raise exc.HTTPNotFound(explanation=msg)
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((403, 404))
|
|
def index(self, req, image_id):
|
|
"""Returns the list of metadata for a given instance."""
|
|
context = req.environ['nova.context']
|
|
metadata = self._get_image(context, image_id)['properties']
|
|
return dict(metadata=metadata)
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((403, 404))
|
|
def show(self, req, image_id, id):
|
|
context = req.environ['nova.context']
|
|
metadata = self._get_image(context, image_id)['properties']
|
|
if id in metadata:
|
|
return {'meta': {id: metadata[id]}}
|
|
else:
|
|
raise exc.HTTPNotFound()
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((400, 403, 404))
|
|
@validation.schema(image_metadata.create)
|
|
def create(self, req, image_id, body):
|
|
context = req.environ['nova.context']
|
|
image = self._get_image(context, image_id)
|
|
for key, value in body['metadata'].items():
|
|
image['properties'][key] = value
|
|
common.check_img_metadata_properties_quota(context,
|
|
image['properties'])
|
|
try:
|
|
image = self.image_api.update(context, image_id, image, data=None,
|
|
purge_props=True)
|
|
except exception.ImageNotAuthorized as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|
|
return dict(metadata=image['properties'])
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((400, 403, 404))
|
|
@validation.schema(image_metadata.update)
|
|
def update(self, req, image_id, id, body):
|
|
context = req.environ['nova.context']
|
|
|
|
meta = body['meta']
|
|
|
|
if id not in meta:
|
|
expl = _('Request body and URI mismatch')
|
|
raise exc.HTTPBadRequest(explanation=expl)
|
|
|
|
image = self._get_image(context, image_id)
|
|
image['properties'][id] = meta[id]
|
|
common.check_img_metadata_properties_quota(context,
|
|
image['properties'])
|
|
try:
|
|
self.image_api.update(context, image_id, image, data=None,
|
|
purge_props=True)
|
|
except exception.ImageNotAuthorized as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|
|
return dict(meta=meta)
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((400, 403, 404))
|
|
@validation.schema(image_metadata.update_all)
|
|
def update_all(self, req, image_id, body):
|
|
context = req.environ['nova.context']
|
|
image = self._get_image(context, image_id)
|
|
metadata = body['metadata']
|
|
common.check_img_metadata_properties_quota(context, metadata)
|
|
image['properties'] = metadata
|
|
try:
|
|
self.image_api.update(context, image_id, image, data=None,
|
|
purge_props=True)
|
|
except exception.ImageNotAuthorized as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|
|
return dict(metadata=metadata)
|
|
|
|
@wsgi.Controller.api_version("2.1", MAX_IMAGE_META_PROXY_API_VERSION)
|
|
@wsgi.expected_errors((403, 404))
|
|
@wsgi.response(204)
|
|
def delete(self, req, image_id, id):
|
|
context = req.environ['nova.context']
|
|
image = self._get_image(context, image_id)
|
|
if id not in image['properties']:
|
|
msg = _("Invalid metadata key")
|
|
raise exc.HTTPNotFound(explanation=msg)
|
|
image['properties'].pop(id)
|
|
try:
|
|
self.image_api.update(context, image_id, image, data=None,
|
|
purge_props=True)
|
|
except exception.ImageNotAuthorized as e:
|
|
raise exc.HTTPForbidden(explanation=e.format_message())
|