DisableExporterInPostgreSQL disables the exporter configuration in PostgreSQL.

EnableExporterInPostgreSQL runs SQL setup commands in `database` to enable the exporter to retrieve metrics.

ExporterEnabled returns true if the monitoring exporter is enabled.

PostgreSQLHBAs provides the Postgres HBA rules for allowing the monitoring exporter to be accessible.

PostgreSQLParameters provides additional required configuration parameters that Postgres needs to support monitoring.

MonitoringUser is a Postgres user created by pgMonitor configuration.