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plugin/metrics: add panic counter (#1778)

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Count and export number of panics we see.

Fixes #1294
This commit is contained in:
Miek Gieben 2018-05-05 19:47:41 +02:00 • committed by GitHub
parent 41f1a1434a
commit 7c27577707
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4 changed files with 14 additions and 7 deletions
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13
plugin/metrics/metrics.go
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@ -41,6 +41,7 @@ func New(addr string) *Metrics {
// Add all of our collectors
met.MustRegister(buildInfo)
met.MustRegister(vars.Panic)
met.MustRegister(vars.RequestCount)
met.MustRegister(vars.RequestDuration)
met.MustRegister(vars.RequestSize)
@ -137,10 +138,8 @@ func keys(m map[string]bool) []string {
// we listen on "localhost:0" and need to retrieve the actual address.
var ListenAddr string
var (
buildInfo = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Name: "build_info",
Help: "A metric with a constant '1' value labeled by version, revision, and goversion from which CoreDNS was built.",
}, []string{"version", "revision", "goversion"})
)
var buildInfo = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Name: "build_info",
Help: "A metric with a constant '1' value labeled by version, revision, and goversion from which CoreDNS was built.",
}, []string{"version", "revision", "goversion"})