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# Copyright 2012 New Dream Network, LLC (DreamHost)
# Author: Doug Hellmann <>
# 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
# 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 pecan
from ceilometer.api.controllers import v2
MEDIA_TYPE_JSON = 'application/vnd.openstack.telemetry-%s+json'
MEDIA_TYPE_XML = 'application/vnd.openstack.telemetry-%s+xml'
class RootController(object):
v2 = v2.V2Controller()
def index(self):
base_url = pecan.request.host_url
available = [{'tag': 'v2', 'date': '2013-02-13T00:00:00Z', }]
collected = [version_descriptor(base_url, v['tag'], v['date'])
for v in available]
versions = {'versions': {'values': collected}}
return versions
def version_descriptor(base_url, version, released_on):
url = version_url(base_url, version)
return {
'id': version,
'links': [
{'href': url, 'rel': 'self', },
{'href': '',
'rel': 'describedby', 'type': 'text/html', }],
'media-types': [
{'base': 'application/json', 'type': MEDIA_TYPE_JSON % version, },
{'base': 'application/xml', 'type': MEDIA_TYPE_XML % version, }],
'status': 'stable',
'updated': released_on,
def version_url(base_url, version_number):
return '%s/%s' % (base_url, version_number)