Fix get_endpoint_data for non-keystone plugins

We expect endpoint_override, but these plugins won't necessary
have it, they have endpoint instead.

Co-Authored-By: Dmitry Tantsur <dtantsur@protonmail.com>
Change-Id: Iead4b95c1f5b8d84cec705da32f41049e2eea641

keystoneauth1/http_basic.py

@@ -17,7 +17,7 @@ from keystoneauth1 import plugin
 AUTH_HEADER_NAME = 'Authorization'
 
 
-class HTTPBasicAuth(plugin.BaseAuthPlugin):
+class HTTPBasicAuth(plugin.FixedEndpointPlugin):
     """A provider that will always use HTTP Basic authentication.
 
     This is useful to unify session/adapter loading for services
@@ -25,8 +25,7 @@ class HTTPBasicAuth(plugin.BaseAuthPlugin):
     """
 
     def __init__(self, endpoint=None, username=None, password=None):
-        super(HTTPBasicAuth, self).__init__()
-        self.endpoint = endpoint
+        super(HTTPBasicAuth, self).__init__(endpoint)
         self.username = username
         self.password = password
 
@@ -44,12 +43,3 @@ class HTTPBasicAuth(plugin.BaseAuthPlugin):
             return None
         auth = 'Basic %s' % token
         return {AUTH_HEADER_NAME: auth}
-
-    def get_endpoint(self, session, **kwargs):
-        """Return the supplied endpoint.
-
-        Using this plugin the same endpoint is returned regardless of the
-        parameters passed to the plugin. endpoint_override overrides the
-        endpoint specified when constructing the plugin.
-        """
-        return kwargs.get('endpoint_override') or self.endpoint

keystoneauth1/noauth.py

@@ -13,25 +13,12 @@
 from keystoneauth1 import plugin
 
 
-class NoAuth(plugin.BaseAuthPlugin):
+class NoAuth(plugin.FixedEndpointPlugin):
     """A provider that will always use no auth.
 
     This is useful to unify session/adapter loading for services
     that might be deployed in standalone/noauth mode.
     """
 
-    def __init__(self, endpoint=None):
-        super(NoAuth, self).__init__()
-        self.endpoint = endpoint
-
     def get_token(self, session, **kwargs):
         return 'notused'
-
-    def get_endpoint(self, session, **kwargs):
-        """Return the supplied endpoint.
-
-        Using this plugin the same endpoint is returned regardless of the
-        parameters passed to the plugin. endpoint_override overrides the
-        endpoint specified when constructing the plugin.
-        """
-        return kwargs.get('endpoint_override') or self.endpoint

keystoneauth1/plugin.py

@@ -313,3 +313,48 @@ class BaseAuthPlugin(object):
             feature.
         """
         raise NotImplementedError()
+
+
+class FixedEndpointPlugin(BaseAuthPlugin):
+    """A base class for plugins that have one fixed endpoint."""
+
+    def __init__(self, endpoint=None):
+        super(FixedEndpointPlugin, self).__init__()
+        self.endpoint = endpoint
+
+    def get_endpoint(self, session, **kwargs):
+        """Return the supplied endpoint.
+
+        Using this plugin the same endpoint is returned regardless of the
+        parameters passed to the plugin. endpoint_override overrides the
+        endpoint specified when constructing the plugin.
+        """
+        return kwargs.get('endpoint_override') or self.endpoint
+
+    def get_endpoint_data(self, session,
+                          endpoint_override=None,
+                          discover_versions=True,
+                          **kwargs):
+        """Return a valid endpoint data for a the service.
+
+        :param session: A session object that can be used for communication.
+        :type session: keystoneauth1.session.Session
+        :param str endpoint_override: URL to use for version discovery.
+        :param bool discover_versions: Whether to get version metadata from
+                                       the version discovery document even
+                                       if it major api version info can be
+                                       inferred from the url.
+                                       (optional, defaults to True)
+        :param kwargs: Ignored.
+
+        :raises keystoneauth1.exceptions.http.HttpError: An error from an
+                                                         invalid HTTP response.
+
+        :return: Valid EndpointData or None if not available.
+        :rtype: `keystoneauth1.discover.EndpointData` or None
+        """
+        return super(FixedEndpointPlugin, self).get_endpoint_data(
+            session,
+            endpoint_override=endpoint_override or self.endpoint,
+            discover_versions=discover_versions,
+            **kwargs)

keystoneauth1/tests/unit/test_discovery.py

@@ -20,6 +20,7 @@ from keystoneauth1 import adapter
 from keystoneauth1 import discover
 from keystoneauth1 import exceptions
 from keystoneauth1 import fixture
+from keystoneauth1 import http_basic
 from keystoneauth1 import noauth
 from keystoneauth1 import session
 from keystoneauth1.tests.unit import utils
@@ -778,6 +779,36 @@ class VersionDataTests(utils.TestCase):
             plugin.get_endpoint(self.session, endpoint_override=V3_URL),
             V3_URL)
 
+    def test_endpoint_data_http_basic_no_discover(self):
+        plugin = http_basic.HTTPBasicAuth(endpoint=V3_URL)
+        data = plugin.get_endpoint_data(
+            self.session, discover_versions=False)
+
+        self.assertEqual(data.api_version, (3, 0))
+        self.assertEqual(data.url, V3_URL)
+        self.assertEqual(
+            plugin.get_api_major_version(
+                self.session, endpoint_override=V3_URL),
+            (3, 0))
+        self.assertEqual(
+            plugin.get_endpoint(self.session, endpoint_override=V3_URL),
+            V3_URL)
+
+    def test_endpoint_data_http_basic_override_no_discover(self):
+        plugin = http_basic.HTTPBasicAuth()
+        data = plugin.get_endpoint_data(
+            self.session, endpoint_override=V3_URL, discover_versions=False)
+
+        self.assertEqual(data.api_version, (3, 0))
+        self.assertEqual(data.url, V3_URL)
+        self.assertEqual(
+            plugin.get_api_major_version(
+                self.session, endpoint_override=V3_URL),
+            (3, 0))
+        self.assertEqual(
+            plugin.get_endpoint(self.session, endpoint_override=V3_URL),
+            V3_URL)
+
     def test_endpoint_data_noauth_adapter(self):
         mock = self.requests_mock.get(
             V3_URL, status_code=200, json=V3_VERSION_ENTRY)