Ensure creates or updates the connection Secret for the specific cluster and db user.

FillPrivateConnStrings fills private conn urls from connection strings TODO: (CLOUDP-253951) remove once all usages move over to FillPrivateConns instead Right now only advanced deployment is using this one.

ListByDeploymentName returns all secrets in the specified namespace that have labels for 'projectID' and 'clusterName'.

ListByUserName returns all secrets in the specified namespace that have label for 'projectID' and data for 'userName'.

RemoveStaleSecretsByUserName removes the stale secrets when the database user name changes (as it's used as a part of Secret name).