gcp cred bug fix for multiple credentials in single pipeline (#1384)

* gcp cred bug fix for multiple credentials in single pipeline

* squash to remove conflict

sdk/python/kfp/gcp.py

@@ -14,8 +14,7 @@
 
 from kubernetes.client import V1Toleration
 
-
-def use_gcp_secret(secret_name='user-gcp-sa', secret_file_path_in_volume='/user-gcp-sa.json', volume_name=None, secret_volume_mount_path='/secret/gcp-credentials'):
+def use_gcp_secret(secret_name='user-gcp-sa', secret_file_path_in_volume=None, volume_name=None, secret_volume_mount_path='/secret/gcp-credentials'):
     """An operator that configures the container to use GCP service account.
 
         The user-gcp-sa secret is created as part of the kubeflow deployment that
@@ -32,8 +31,13 @@ def use_gcp_secret(secret_name='user-gcp-sa', secret_file_path_in_volume='/user-
         service account access permission.
     """
 
+    # permitted values for secret_name = ['admin-gcp-sa', 'user-gcp-sa']
+    if secret_file_path_in_volume is None:
+        secret_file_path_in_volume = '/' + secret_name + '.json'
+
     if volume_name is None:
         volume_name = 'gcp-credentials-' + secret_name
+
     else:
         import warnings
         warnings.warn('The volume_name parameter is deprecated and will be removed in next release. The volume names are now generated automatically.', DeprecationWarning)
@@ -107,4 +111,4 @@ def _set_preemptible(task):
     task.add_node_selector_constraint("cloud.google.com/gke-preemptible", "true")
     return task
 
-  return _set_preemptible
+  return _set_preemptible