feat: Set audience field in authenticated HTTP task example (#138)

* Add explicit `audience1 field

Unset `audience` will be take the URL as default value. When there are query and fragment parts, this would lead to authentication errors (401).

* Add explicit `audience1 field

feat: Set `audience` in authenticated HTTP task

Unset `audience` will be take the URL as default value. When there are query and fragment parts, this would lead to authentication errors (401).

* feat: Add explicit `audience1 field

Unset `audience` will be take the URL as default value. When there are query and fragment parts, this would lead to authentication errors (401).

samples/snippets/create_http_task_with_token.py

@@ -21,6 +21,7 @@ def create_http_task(
     location,
     url,
     service_account_email,
+    audience=None,
     payload=None,
 ):
     # [START cloud_tasks_create_http_task_with_token]
@@ -35,7 +36,8 @@ def create_http_task(
     # project = 'my-project-id'
     # queue = 'my-queue'
     # location = 'us-central1'
-    # url = 'https://example.com/task_handler'
+    # url = 'https://example.com/task_handler?param=value'
+    # audience = 'https://example.com/task_handler'
     # service_account_email = 'service-account@my-project-id.iam.gserviceaccount.com';
     # payload = 'hello'
 
@@ -47,7 +49,7 @@ def create_http_task(
         "http_request": {  # Specify the type of request.
             "http_method": tasks_v2.HttpMethod.POST,
             "url": url,  # The full url path that the task will be sent to.
-            "oidc_token": {"service_account_email": service_account_email},
+            "oidc_token": {"service_account_email": service_account_email, "audience": audience},
         }
     }