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plugin/metrics: add MustRegister function (#1648)

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This registers the Collectors iff the metrics plugin has been loaded.
Safes a bunch of code in each and every plugin's setup code.
This commit is contained in:
Miek Gieben
2018-04-01 13:58:13 +01:00
committed by GitHub
parent 4df416ca1d
commit 2338120f5b
9 changed files with 34 additions and 72 deletions
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12
plugin/forward/setup.go
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@@ -38,17 +38,7 @@ func setup(c *caddy.Controller) error {
c.OnStartup(func() error {
once.Do(func() {
m := dnsserver.GetConfig(c).Handler("prometheus")
if m == nil {
return
}
if x, ok := m.(*metrics.Metrics); ok {
x.MustRegister(RequestCount)
x.MustRegister(RcodeCount)
x.MustRegister(RequestDuration)
x.MustRegister(HealthcheckFailureCount)
x.MustRegister(SocketGauge)
}
metrics.MustRegister(c, RequestCount, RcodeCount, RequestDuration, HealthcheckFailureCount, SocketGauge)
})
return f.OnStartup()
})