Merge pull request aws#9628 from aws/update-eks-tests-for-sts-default-endpoint-change

Update sts endpoint assertions

Author: kdaily

tests/functional/eks/test_get_token.py

@@ -140,18 +140,23 @@ def test_output_table(self, mock_datetime):
     def test_url(self):
         cmd = 'eks get-token --cluster-name %s' % self.cluster_name
         response = self.run_get_token(cmd)
-        self.assert_url_correct(response)
+        self.assert_url_correct(
+            response,
+            expected_endpoint='sts.us-east-1.amazonaws.com',
+        )
 
     def test_url_with_region(self):
         cmd = 'eks get-token --cluster-name %s' % self.cluster_name
         cmd += ' --region us-west-2'
         response = self.run_get_token(cmd)
-        # Even though us-west-2 was specified, we should still only be
-        # signing for the global endpoint.
+        # Previously, even though us-west-2 is specified, we still
+        # signed for the global endpoint. Now, the STS client defaults
+        # to using the regional endpoint, so the expected signing region
+        # should be the same as the endpoint region.
         self.assert_url_correct(
             response,
-            expected_endpoint='sts.amazonaws.com',
-            expected_signing_region='us-east-1',
+            expected_endpoint='sts.us-west-2.amazonaws.com',
+            expected_signing_region='us-west-2',
         )
 
     def test_url_with_arn(self):
@@ -173,7 +178,11 @@ def test_url_with_arn(self):
             assume_role_call[1],
             {'RoleArn': self.role_arn, 'RoleSessionName': 'EKSGetTokenAuth'},
         )
-        self.assert_url_correct(response, has_session_token=True)
+        self.assert_url_correct(
+            response, 
+            expected_endpoint='sts.us-east-1.amazonaws.com',
+            has_session_token=True,
+        )
 
     def test_token_has_no_padding(self):
         cmd = 'eks get-token --cluster-name %s' % self.cluster_name