no logging on service account contents (#334)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/doc_fragment/gcp.py

@@ -20,10 +20,8 @@ options:
         choices: [ application, machineaccount, serviceaccount ]
     service_account_contents:
         description:
-            - A string representing the contents of a Service Account JSON file.
+            - The contents of a Service Account JSON file, either in a dictionary or as a JSON string that represents it.
-            - This should not be passed in as a dictionary, but a string
+        type: jsonarg
-              that has the exact contents of a service account json file (valid JSON)
-        type: str
     service_account_file:
         description:
             - The path of a Service Account JSON file if serviceaccount is selected as type.

plugins/module_utils/gcp_utils.py

@@ -214,7 +214,8 @@ class GcpModule(AnsibleModule):
                 service_account_contents=dict(
                     required=False,
                     fallback=(env_fallback, ['GCP_SERVICE_ACCOUNT_CONTENTS']),
-                    type='str'),
+                    no_log=True,
+                    type='jsonarg'),
                 scopes=dict(
                     required=False,
                     fallback=(env_fallback, ['GCP_SCOPES']),