Add a Principal to Google Cloud Storage Bucket

Add a service account as principal to your Google Cloud Storage bucket.

1. In Google Cloud Storage Platform click Cloud Storage.

2. Under Cloud Storage, click Browser.

3. Click your bucket name, and click the Permissions tab.

4. Under Permissions, for View by, select PRINCIPALS.

   1. For source connection: Add the service account only with Storage Legacy Bucket Reader and Storage Legacy Object Reader roles as principals.

   2. For target connection: Add the service account only with Storage Legacy Bucket Owner and Storage Legacy Object Owner roles as principals.