116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
# Copyright (c) 2017 RedHat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import copy
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from oslo_config import cfg
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import oslo_serialization.jsonutils as json
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import webob.exc
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from glance.common import wsgi
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import glance.db
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from glance.i18n import _
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from glance.quota import keystone as ks_quota
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CONF = cfg.CONF
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class InfoController(object):
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def get_image_import(self, req):
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# TODO(jokke): All the rest of the boundaries should be implemented.
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import_methods = {
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'description': 'Import methods available.',
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'type': 'array',
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'value': CONF.get('enabled_import_methods')
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}
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return {
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'import-methods': import_methods
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}
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def get_stores(self, req):
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# TODO(abhishekk): This will be removed after config options
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# 'stores' and 'default_store' are removed.
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enabled_backends = CONF.enabled_backends
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if not enabled_backends:
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msg = _("Multi backend is not supported at this site.")
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raise webob.exc.HTTPNotFound(explanation=msg)
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backends = []
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for backend in enabled_backends:
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if backend.startswith("os_glance_"):
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continue
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stores = {}
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stores['id'] = backend
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description = getattr(CONF, backend).store_description
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if description:
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stores['description'] = description
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if backend == CONF.glance_store.default_backend:
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stores['default'] = "true"
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# Check if http store is configured then mark it as read-only
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if enabled_backends[backend] == 'http':
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stores['read-only'] = "true"
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backends.append(stores)
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return {'stores': backends}
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def get_usage(self, req):
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project_usage = ks_quota.get_usage(req.context)
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return {'usage':
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{name: {'usage': usage.usage,
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'limit': usage.limit}
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for name, usage in project_usage.items()}}
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class ResponseSerializer(wsgi.JSONResponseSerializer):
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def __init__(self, usage_schema=None):
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super(ResponseSerializer, self).__init__()
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self.schema = usage_schema or get_usage_schema()
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def get_usage(self, response, usage):
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body = json.dumps(self.schema.filter(usage), ensure_ascii=False)
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response.unicode_body = str(body)
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response.content_type = 'application/json'
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_USAGE_SCHEMA = {
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'usage': {
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'type': 'array',
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'items': {
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'type': 'object',
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'additionalProperties': True,
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'validation_data': {
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'type': 'object',
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'additonalProperties': False,
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'properties': {
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'usage': {'type': 'integer'},
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'limit': {'type': 'integer'},
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},
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},
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},
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},
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}
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def get_usage_schema():
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return glance.schema.Schema('usage', copy.deepcopy(_USAGE_SCHEMA))
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def create_resource():
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usage_schema = get_usage_schema()
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serializer = ResponseSerializer(usage_schema)
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return wsgi.Resource(InfoController(), None, serializer)
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