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Remediation

Initialize the pgAudit flag​

From Google Cloud Console​

  1. Go to https://console.cloud.google.com/sql/instances.
  2. Select the instance to open its Overview page.
  3. Click Edit.
  4. Scroll down and expand Flags.
  5. To set a flag that has not been set on the instance before, click Add item.
  6. Enter cloudsql.enable_pgaudit for the flag name and set the flag to on.
  7. Click Done.
  8. Click Save to update the configuration.
  9. Confirm your changes under Flags on the Overview page.

From Google Cloud CLI​

Run the below command by providing <INSTANCE_NAME> to enable cloudsql.enable_pgaudit flag.

        gcloud sql instances patch <INSTANCE_NAME> --database-flags cloudsql.enable_pgaudit=on

Note: RESTART is required to get this configuration in effect.

Creating the extension

  1. Connect to the the server running PostgreSQL or through a SQL client of your choice.

  2. If SSHing to the server in the command line open the PostgreSQL shell by typing psql

  3. Run the following command as a superuser.

         CREATE EXTENSION pgaudit;

Updating the previously created pgaudit.log flag for your Logging Needs​

From Console​

Note: there are multiple options here. This command will enable logging for all databases on a server. Please see the customizing database audit logging reference for more flag options.

  1. Go to https://console.cloud.google.com/sql/instances.
  2. Select the instance to open its Overview page.
  3. Click Edit.
  4. Scroll down and expand Flags.
  5. To set a flag that has not been set on the instance before, click Add item.
  6. Enter pgaudit.log=all for the flag name and set the flag to on.
  7. Click Done.
  8. Click Save to update the configuration.
  9. Confirm your changes under Flags on the Overview page.

From Command Line​

Run the command

        gcloud sql instances patch <INSTANCE_NAME> --database-flags \ cloudsql.enable_pgaudit=on,pgaudit.log=all

Determine if logs are being sent to Logs Explorer

  1. From the Google Console home page, open the hamburger menu in the top left.
  2. In the menu that pops open, scroll down to Logs Explorer under Operations.
  3. In the query box, paste the following and search resource.type="cloudsql_database" logName="projects//logs/cloudaudit.googleapis.com%2Fdata_access" protoPayload.request.@type="type.googleapis.com/google.cloud.sql.audit.v1.PgAuditEntry" If it returns any log sources, they are correctly setup.