metrics

Documentation

Index

• Variables
• func Metrics() error
• func ReportCacheMiss(ca CacheType)
• func ReportDuration(resp *dns.Msg, start time.Time, sys System)
• func ReportErrorCount(resp *dns.Msg, sys System)
• func ReportRequestCount(req *dns.Msg, sys System)
• type CacheType
• type Cause
• type System

Variables

var (
	Port      = os.Getenv("PROMETHEUS_PORT")
	Path      = envOrDefault("PROMETHEUS_PATH", "/metrics")
	Namespace = envOrDefault("PROMETHEUS_NAMESPACE", "skydns")
	Subsystem = envOrDefault("PROMETHEUS_SUBSYSTEM", "skydns")
)

var (
	Auth    System = "auth"
	Cache   System = "cache"
	Rec     System = "recursive"
	Reverse System = "reverse"
	Stub    System = "stub"

	Nxdomain  Cause = "nxdomain"
	Nodata    Cause = "nodata"
	Truncated Cause = "truncated"
	Refused   Cause = "refused"
	Overflow  Cause = "overflow"
	Fail      Cause = "servfail"

	Response  CacheType = "response"
	Signature CacheType = "signature"
)

Functions

func Metrics

func Metrics() error

Metrics registers the DNS metrics to Prometheus, and starts the internal metrics server if the environment variable PROMETHEUS_PORT is set.

func ReportCacheMiss

func ReportCacheMiss(ca CacheType)

func ReportDuration

func ReportDuration(resp *dns.Msg, start time.Time, sys System)

func ReportErrorCount

func ReportErrorCount(resp *dns.Msg, sys System)

func ReportRequestCount

func ReportRequestCount(req *dns.Msg, sys System)

Types

type CacheType

type CacheType string

type Cause

type Cause string

type System

type System string