def rest_api_request(token,
method,
api_cmd,
api_cmd_headers=None,
api_cmd_payload=None):
"""
Make a rest-api request
"""
try:
request_info = urlrequest.Request(api_cmd)
request_info.get_method = lambda: method
request_info.add_header("X-Auth-Token", token.get_id())
request_info.add_header("Accept", "application/json")
if api_cmd_headers is not None:
for header_type, header_value in api_cmd_headers.items():
request_info.add_header(header_type, header_value)
if api_cmd_payload is not None:
request_info.add_header("Content-type", "application/json")
request_info.add_data(api_cmd_payload)
request = urlrequest.urlopen(request_info)
response = request.read()
if response == "":
response = json.loads("{}")
else:
response = json.loads(response)
request.close()
return response
except HTTPError as e:
if httplib.UNAUTHORIZED == e.code:
token.set_expired()
LOG.exception(e)
raise KeystoneFail("REST API HTTP Error for url: %s. Error: %s" %
(api_cmd, e))
except (URLError, httplib.BadStatusLine) as e:
LOG.exception(e)
raise KeystoneFail("REST API URL Error for url: %s. Error: %s" %
(api_cmd, e))
def get_service_id(self, name, type):
"""
Search the services for the id
"""
for service in self._data['services']:
if service['name'] == name:
if service['type'] == type:
return service['id']
raise KeystoneFail(
("Keystone service type %s, name %s not available" % (type, name)))
def get_service_url(self, region_name, service_id, endpoint_type):
"""
Search the endpoints for the url
"""
for endpoint in self._data['endpoints']:
if endpoint['service_id'] == service_id:
if (endpoint['region'] == region_name and
endpoint['interface'] == endpoint_type):
return endpoint['url']
raise KeystoneFail((
"Keystone service id %s, region %s, endpoint type %s not "
"available" % (service_id, region_name, endpoint_type)))
def get_service_url(self, region_name, service_name, service_type,
endpoint_type):
"""
Search the catalog of a service in a region for the url
"""
for catalog in self._data['token']['catalog']:
if catalog['type'] == service_type:
if catalog['name'] == service_name:
if 0 != len(catalog['endpoints']):
for endpoint in catalog['endpoints']:
if (endpoint['region'] == region_name and
endpoint['interface'] == endpoint_type):
return endpoint['url']
raise KeystoneFail((
"Keystone service type %s, name %s, region %s, endpoint type %s "
"not available" %
(service_type, service_name, region_name, endpoint_type)))