def base_url(self, filters, auth_data=None):
"""
Filters can be:
- service: compute, image, etc
- region: the service region
- endpoint_type: adminURL, publicURL, internalURL
- api_version: replace catalog version with this
- skip_path: take just the base URL
"""
if auth_data is None:
auth_data = self.auth_data
token, _auth_data = auth_data
service = filters.get('service')
region = filters.get('region')
endpoint_type = filters.get('endpoint_type', 'public')
if service is None:
raise exceptions.EndpointNotFound("No service provided")
if 'URL' in endpoint_type:
endpoint_type = endpoint_type.replace('URL', '')
_base_url = None
catalog = _auth_data['catalog']
# Select entries with matching service type
service_catalog = [ep for ep in catalog if ep['type'] == service]
if len(service_catalog) > 0:
service_catalog = service_catalog[0]['endpoints']
else:
# No matching service
raise exceptions.EndpointNotFound(service)
# Filter by endpoint type (interface)
filtered_catalog = [
ep for ep in service_catalog if ep['interface'] == endpoint_type
]
if len(filtered_catalog) == 0:
# No matching type, keep all and try matching by region at least
filtered_catalog = service_catalog
# Filter by region
filtered_catalog = [
ep for ep in filtered_catalog if ep['region'] == region
]
if len(filtered_catalog) == 0:
# No matching region, take the first endpoint
filtered_catalog = [service_catalog[0]]
# There should be only one match. If not take the first.
_base_url = filtered_catalog[0].get('url', None)
if _base_url is None:
raise exceptions.EndpointNotFound(service)
parts = urlparse.urlparse(_base_url)
if filters.get('api_version', None) is not None:
path = "/" + filters['api_version']
noversion_path = "/".join(parts.path.split("/")[2:])
if noversion_path != "":
path += noversion_path
_base_url = _base_url.replace(parts.path, path)
if filters.get('skip_path', None) is not None:
_base_url = _base_url.replace(parts.path, "/")
return _base_url
def url_for(self,
attr=None,
filter_value=None,
service_type='identity',
endpoint_type='publicURL'):
"""Fetch an endpoint from the service catalog.
Fetch the specified endpoint from the service catalog for
a particular endpoint attribute. If no attribute is given, return
the first endpoint of the specified type.
See tests for a sample service catalog.
"""
catalog = self.catalog.get('serviceCatalog', [])
for service in catalog:
if service['type'] != service_type:
continue
endpoints = service['endpoints']
for endpoint in endpoints:
if not filter_value or endpoint.get(attr) == filter_value:
return endpoint[endpoint_type]
raise exceptions.EndpointNotFound('Endpoint not found.')
def base_url(self, filters, auth_data=None):
"""
Filters can be:
- service: compute, image, etc
- region: the service region
- endpoint_type: adminURL, publicURL, internalURL
- api_version: replace catalog version with this
- skip_path: take just the base URL
"""
if auth_data is None:
auth_data = self.auth_data
token, _auth_data = auth_data
service = filters.get('service')
region = filters.get('region')
endpoint_type = filters.get('endpoint_type', 'publicURL')
if service is None:
raise exceptions.EndpointNotFound("No service provided")
_base_url = None
for ep in _auth_data['serviceCatalog']:
if ep["type"] == service:
for _ep in ep['endpoints']:
if region is not None and _ep['region'] == region:
_base_url = _ep.get(endpoint_type)
if not _base_url:
# No region matching, use the first
_base_url = ep['endpoints'][0].get(endpoint_type)
break
if _base_url is None:
raise exceptions.EndpointNotFound(service)
parts = urlparse.urlparse(_base_url)
if filters.get('api_version', None) is not None:
path = "/" + filters['api_version']
noversion_path = "/".join(parts.path.split("/")[2:])
if noversion_path != "":
path += "/" + noversion_path
_base_url = _base_url.replace(parts.path, path)
if filters.get('skip_path', None) is not None and parts.path != '':
_base_url = _base_url.replace(parts.path, "/")
return _base_url
def base_url(service, auth_data, region=None):
endpoint_type = 'publicURL'
_base_url = None
for ep in auth_data['serviceCatalog']:
if ep["type"] == service:
for _ep in ep['endpoints']:
if region and _ep['region'] == region:
_base_url = _ep.get(endpoint_type)
if not _base_url:
# No region matching, use the first
_base_url = ep['endpoints'][0].get(endpoint_type)
break
if _base_url is None:
raise exceptions.EndpointNotFound(service)
return _base_url
