Method GetMetricsDB

pkg/management/postgres/instance.go:880–882

GetMetricsDB gets a connection to the named database authenticated as cnpg_metrics_exporter.

(dbname string)

// GetMetricsDB gets a connection to the named database authenticated as cnpg_metrics_exporter.
func (instance *Instance) GetMetricsDB(dbname string) (*sql.DB, error) {
	return instance.metricsConnectionPool().Connection(dbname)
}

// PostgreSQL SQLSTATE for "invalid authorization specification" (Class 28).
// See https://www.postgresql.org/docs/current/errcodes-appendix.html