instrument

type Config struct {
	Metrics MetricsConfig
}

type Interface interface {
	// Other Functions
	IsEnabled() bool
	// HTTP Handler
	MetricsHandler() http.Handler
	// HTTP Metrics
	HTTPRequestTimer(path, method string) *prometheus.Timer
	HTTPRequestCounter(path, method string)
	HTTPResponseStatusCounter(code int)
	// Database Metrics
	RegisterDBStats(db *sql.DB, dbname string)
	DatabaseQueryTimer(dbname, conntype, queryname string) *prometheus.Timer
	// Scheduler Metrics
	SchedulerRunningCounter(schedulername string)
	SchedulerRunningTimer(schedulername string) *prometheus.Timer
}

type MetricsConfig struct {
	Enabled bool
}