Service Account type of connection can be used for Google Big Query and Google Cloud storage. The process is the same for both connectors.
To create an authorization you need to upload a service account file (resp. Key) in JSON format. To generate and upload the JSON Key follow these steps:
Within Google Interface
- In the Google Cloud admin section / Big Query:
(a.) Open your service accounts.
(b.) Select your project, or create a new one.
- Click 'Create Service Account' once the project is selected/created.
- (a.) Click 'Create Key' and;
(b.) Choose the Key Type JSON.
Google Big Query Required Permissions
- Upload the JSON key file generated by Google Cloud / Big Query, to the Connection.
Find further information here under 'Creating service account keys'