Add output-json parameter to publish command for use by downstream pr…

…ocesses.

core/cli.py

@@ -1,3 +1,4 @@
+import json
 import logging
 
 import boto3
@@ -121,11 +122,13 @@ def import_template(
     help="The namespace you wish to target (e.g. tpp-prod, tpp-dev, tpp-staging).",
 )
 @click.option("--group-name", required=True, help="Name of the Quicksight User Group")
+@click.option("--output-json", required=True, help="The file path to which operation output should be written as json")
 def publish_dashboard(
     aws_account_id: str,
     template_id: str,
     target_namespace: str,
     group_name: str,
+    output_json: str,
 ):
     """
     Create/Update a dashboard from a template
@@ -144,5 +147,9 @@ def publish_dashboard(
     ).execute()
     log.info(result)
 
+    with open(output_json, "w") as output:
+        output.write(json.dumps(result))
+        logging.info(f"Output written to {output_json}")
+
 
 cli.add_command(publish_dashboard)