395 lines
14 KiB
Python
395 lines
14 KiB
Python
# Copyright 2013 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.
|
|
|
|
import copy
|
|
|
|
import glance_store
|
|
from oslo_log import log as logging
|
|
from oslo_serialization import jsonutils
|
|
from oslo_utils import encodeutils
|
|
import six
|
|
from six.moves import http_client as http
|
|
import webob
|
|
|
|
from glance.api import policy
|
|
from glance.common import exception
|
|
from glance.common import timeutils
|
|
from glance.common import utils
|
|
from glance.common import wsgi
|
|
import glance.db
|
|
import glance.gateway
|
|
from glance.i18n import _
|
|
import glance.notifier
|
|
import glance.schema
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class ImageMembersController(object):
|
|
def __init__(self, db_api=None, policy_enforcer=None, notifier=None,
|
|
store_api=None):
|
|
self.db_api = db_api or glance.db.get_api()
|
|
self.policy = policy_enforcer or policy.Enforcer()
|
|
self.notifier = notifier or glance.notifier.Notifier()
|
|
self.store_api = store_api or glance_store
|
|
self.gateway = glance.gateway.Gateway(self.db_api, self.store_api,
|
|
self.notifier, self.policy)
|
|
|
|
def _get_member_repo(self, req, image):
|
|
try:
|
|
# For public, private, and community images, a forbidden exception
|
|
# with message "Only shared images have members." is thrown.
|
|
return self.gateway.get_member_repo(image, req.context)
|
|
except exception.Forbidden as e:
|
|
msg = (_("Error fetching members of image %(image_id)s: "
|
|
"%(inner_msg)s") % {"image_id": image.image_id,
|
|
"inner_msg": e.msg})
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
|
|
def _lookup_image(self, req, image_id):
|
|
image_repo = self.gateway.get_repo(req.context)
|
|
try:
|
|
return image_repo.get(image_id)
|
|
except (exception.NotFound):
|
|
msg = _("Image %s not found.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
except exception.Forbidden:
|
|
msg = _("You are not authorized to lookup image %s.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
|
|
def _lookup_member(self, req, image, member_id):
|
|
member_repo = self._get_member_repo(req, image)
|
|
try:
|
|
return member_repo.get(member_id)
|
|
except (exception.NotFound):
|
|
msg = (_("%(m_id)s not found in the member list of the image "
|
|
"%(i_id)s.") % {"m_id": member_id,
|
|
"i_id": image.image_id})
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
except exception.Forbidden:
|
|
msg = (_("You are not authorized to lookup the members of the "
|
|
"image %s.") % image.image_id)
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
|
|
@utils.mutating
|
|
def create(self, req, image_id, member_id):
|
|
"""
|
|
Adds a membership to the image.
|
|
:param req: the Request object coming from the wsgi layer
|
|
:param image_id: the image identifier
|
|
:param member_id: the member identifier
|
|
:returns: The response body is a mapping of the following form
|
|
|
|
::
|
|
|
|
{'member_id': <MEMBER>,
|
|
'image_id': <IMAGE>,
|
|
'status': <MEMBER_STATUS>
|
|
'created_at': ..,
|
|
'updated_at': ..}
|
|
|
|
"""
|
|
image = self._lookup_image(req, image_id)
|
|
member_repo = self._get_member_repo(req, image)
|
|
image_member_factory = self.gateway.get_image_member_factory(
|
|
req.context)
|
|
try:
|
|
new_member = image_member_factory.new_image_member(image,
|
|
member_id)
|
|
member_repo.add(new_member)
|
|
return new_member
|
|
except exception.Invalid as e:
|
|
raise webob.exc.HTTPBadRequest(explanation=e.msg)
|
|
except exception.Forbidden:
|
|
msg = _("Not allowed to create members for image %s.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
except exception.Duplicate:
|
|
msg = _("Member %(member_id)s is duplicated for image "
|
|
"%(image_id)s") % {"member_id": member_id,
|
|
"image_id": image_id}
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPConflict(explanation=msg)
|
|
except exception.ImageMemberLimitExceeded as e:
|
|
msg = (_("Image member limit exceeded for image %(id)s: %(e)s:")
|
|
% {"id": image_id,
|
|
"e": encodeutils.exception_to_unicode(e)})
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPRequestEntityTooLarge(explanation=msg)
|
|
|
|
@utils.mutating
|
|
def update(self, req, image_id, member_id, status):
|
|
"""
|
|
Update the status of a member for a given image.
|
|
:param req: the Request object coming from the wsgi layer
|
|
:param image_id: the image identifier
|
|
:param member_id: the member identifier
|
|
:param status: the status of a member
|
|
:returns: The response body is a mapping of the following form
|
|
|
|
::
|
|
|
|
{'member_id': <MEMBER>,
|
|
'image_id': <IMAGE>,
|
|
'status': <MEMBER_STATUS>,
|
|
'created_at': ..,
|
|
'updated_at': ..}
|
|
|
|
"""
|
|
image = self._lookup_image(req, image_id)
|
|
member_repo = self._get_member_repo(req, image)
|
|
member = self._lookup_member(req, image, member_id)
|
|
try:
|
|
member.status = status
|
|
member_repo.save(member)
|
|
return member
|
|
except exception.Forbidden:
|
|
msg = _("Not allowed to update members for image %s.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
except ValueError as e:
|
|
msg = (_("Incorrect request: %s")
|
|
% encodeutils.exception_to_unicode(e))
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
|
|
def index(self, req, image_id):
|
|
"""
|
|
Return a list of dictionaries indicating the members of the
|
|
image, i.e., those tenants the image is shared with.
|
|
|
|
:param req: the Request object coming from the wsgi layer
|
|
:param image_id: The image identifier
|
|
:returns: The response body is a mapping of the following form
|
|
|
|
::
|
|
|
|
{'members': [
|
|
{'member_id': <MEMBER>,
|
|
'image_id': <IMAGE>,
|
|
'status': <MEMBER_STATUS>,
|
|
'created_at': ..,
|
|
'updated_at': ..}, ..
|
|
]}
|
|
|
|
"""
|
|
image = self._lookup_image(req, image_id)
|
|
member_repo = self._get_member_repo(req, image)
|
|
members = []
|
|
try:
|
|
for member in member_repo.list():
|
|
members.append(member)
|
|
except exception.Forbidden:
|
|
msg = _("Not allowed to list members for image %s.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
return dict(members=members)
|
|
|
|
def show(self, req, image_id, member_id):
|
|
"""
|
|
Returns the membership of the tenant wrt to the image_id specified.
|
|
|
|
:param req: the Request object coming from the wsgi layer
|
|
:param image_id: The image identifier
|
|
:returns: The response body is a mapping of the following form
|
|
|
|
::
|
|
|
|
{'member_id': <MEMBER>,
|
|
'image_id': <IMAGE>,
|
|
'status': <MEMBER_STATUS>
|
|
'created_at': ..,
|
|
'updated_at': ..}
|
|
|
|
"""
|
|
try:
|
|
image = self._lookup_image(req, image_id)
|
|
return self._lookup_member(req, image, member_id)
|
|
except webob.exc.HTTPForbidden as e:
|
|
# Convert Forbidden to NotFound to prevent information
|
|
# leakage.
|
|
raise webob.exc.HTTPNotFound(explanation=e.explanation)
|
|
|
|
@utils.mutating
|
|
def delete(self, req, image_id, member_id):
|
|
"""
|
|
Removes a membership from the image.
|
|
"""
|
|
image = self._lookup_image(req, image_id)
|
|
member_repo = self._get_member_repo(req, image)
|
|
member = self._lookup_member(req, image, member_id)
|
|
try:
|
|
member_repo.remove(member)
|
|
return webob.Response(body='', status=http.NO_CONTENT)
|
|
except exception.Forbidden:
|
|
msg = _("Not allowed to delete members for image %s.") % image_id
|
|
LOG.warning(msg)
|
|
raise webob.exc.HTTPForbidden(explanation=msg)
|
|
|
|
|
|
class RequestDeserializer(wsgi.JSONRequestDeserializer):
|
|
|
|
def __init__(self):
|
|
super(RequestDeserializer, self).__init__()
|
|
|
|
def _get_request_body(self, request):
|
|
output = super(RequestDeserializer, self).default(request)
|
|
if 'body' not in output:
|
|
msg = _('Body expected in request.')
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
return output['body']
|
|
|
|
def create(self, request):
|
|
body = self._get_request_body(request)
|
|
try:
|
|
member_id = body['member']
|
|
if not member_id:
|
|
raise ValueError()
|
|
except KeyError:
|
|
msg = _("Member to be added not specified")
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
except ValueError:
|
|
msg = _("Member can't be empty")
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
except TypeError:
|
|
msg = _('Expected a member in the form: '
|
|
'{"member": "image_id"}')
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
return dict(member_id=member_id)
|
|
|
|
def update(self, request):
|
|
body = self._get_request_body(request)
|
|
try:
|
|
status = body['status']
|
|
except KeyError:
|
|
msg = _("Status not specified")
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
except TypeError:
|
|
msg = _('Expected a status in the form: '
|
|
'{"status": "status"}')
|
|
raise webob.exc.HTTPBadRequest(explanation=msg)
|
|
return dict(status=status)
|
|
|
|
|
|
class ResponseSerializer(wsgi.JSONResponseSerializer):
|
|
def __init__(self, schema=None):
|
|
super(ResponseSerializer, self).__init__()
|
|
self.schema = schema or get_schema()
|
|
|
|
def _format_image_member(self, member):
|
|
member_view = {}
|
|
attributes = ['member_id', 'image_id', 'status']
|
|
for key in attributes:
|
|
member_view[key] = getattr(member, key)
|
|
member_view['created_at'] = timeutils.isotime(member.created_at)
|
|
member_view['updated_at'] = timeutils.isotime(member.updated_at)
|
|
member_view['schema'] = '/v2/schemas/member'
|
|
member_view = self.schema.filter(member_view)
|
|
return member_view
|
|
|
|
def create(self, response, image_member):
|
|
image_member_view = self._format_image_member(image_member)
|
|
body = jsonutils.dumps(image_member_view, ensure_ascii=False)
|
|
response.unicode_body = six.text_type(body)
|
|
response.content_type = 'application/json'
|
|
|
|
def update(self, response, image_member):
|
|
image_member_view = self._format_image_member(image_member)
|
|
body = jsonutils.dumps(image_member_view, ensure_ascii=False)
|
|
response.unicode_body = six.text_type(body)
|
|
response.content_type = 'application/json'
|
|
|
|
def index(self, response, image_members):
|
|
image_members = image_members['members']
|
|
image_members_view = []
|
|
for image_member in image_members:
|
|
image_member_view = self._format_image_member(image_member)
|
|
image_members_view.append(image_member_view)
|
|
totalview = dict(members=image_members_view)
|
|
totalview['schema'] = '/v2/schemas/members'
|
|
body = jsonutils.dumps(totalview, ensure_ascii=False)
|
|
response.unicode_body = six.text_type(body)
|
|
response.content_type = 'application/json'
|
|
|
|
def show(self, response, image_member):
|
|
image_member_view = self._format_image_member(image_member)
|
|
body = jsonutils.dumps(image_member_view, ensure_ascii=False)
|
|
response.unicode_body = six.text_type(body)
|
|
response.content_type = 'application/json'
|
|
|
|
|
|
_MEMBER_SCHEMA = {
|
|
'member_id': {
|
|
'type': 'string',
|
|
'description': _('An identifier for the image member (tenantId)')
|
|
},
|
|
'image_id': {
|
|
'type': 'string',
|
|
'description': _('An identifier for the image'),
|
|
'pattern': ('^([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}'
|
|
'-([0-9a-fA-F]){4}-([0-9a-fA-F]){12}$'),
|
|
},
|
|
'created_at': {
|
|
'type': 'string',
|
|
'description': _('Date and time of image member creation'),
|
|
# TODO(brian-rosmaita): our jsonschema library doesn't seem to like the
|
|
# format attribute, figure out why (and also fix in images.py)
|
|
# 'format': 'date-time',
|
|
},
|
|
'updated_at': {
|
|
'type': 'string',
|
|
'description': _('Date and time of last modification of image member'),
|
|
# 'format': 'date-time',
|
|
},
|
|
'status': {
|
|
'type': 'string',
|
|
'description': _('The status of this image member'),
|
|
'enum': [
|
|
'pending',
|
|
'accepted',
|
|
'rejected'
|
|
]
|
|
},
|
|
'schema': {
|
|
'readOnly': True,
|
|
'type': 'string'
|
|
}
|
|
}
|
|
|
|
|
|
def get_schema():
|
|
properties = copy.deepcopy(_MEMBER_SCHEMA)
|
|
schema = glance.schema.Schema('member', properties)
|
|
return schema
|
|
|
|
|
|
def get_collection_schema():
|
|
member_schema = get_schema()
|
|
return glance.schema.CollectionSchema('members', member_schema)
|
|
|
|
|
|
def create_resource():
|
|
"""Image Members resource factory method"""
|
|
deserializer = RequestDeserializer()
|
|
serializer = ResponseSerializer()
|
|
controller = ImageMembersController()
|
|
return wsgi.Resource(controller, deserializer, serializer)
|