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using promauto package to ensure all created metrics are properly registered (#4025)

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Signed-off-by: zounengren <zounengren@cmss.chinamobile.com>
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Zou Nengren 2020-07-25 23:06:28 +08:00 • committed by GitHub
parent 05751bdb59
commit 4166dcc2fe
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31 changed files with 71 additions and 163 deletions
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15
plugin/forward/metrics.go
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@ -4,48 +4,49 @@ import (
"github.com/coredns/coredns/plugin"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
// Variables declared for monitoring.
var (
RequestCount = prometheus.NewCounterVec(prometheus.CounterOpts{
RequestCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "requests_total",
Help: "Counter of requests made per upstream.",
}, []string{"to"})
RcodeCount = prometheus.NewCounterVec(prometheus.CounterOpts{
RcodeCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "responses_total",
Help: "Counter of responses received per upstream.",
}, []string{"rcode", "to"})
RequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
RequestDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "request_duration_seconds",
Buckets: plugin.TimeBuckets,
Help: "Histogram of the time each request took.",
}, []string{"to"})
HealthcheckFailureCount = prometheus.NewCounterVec(prometheus.CounterOpts{
HealthcheckFailureCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "healthcheck_failures_total",
Help: "Counter of the number of failed healthchecks.",
}, []string{"to"})
HealthcheckBrokenCount = prometheus.NewCounter(prometheus.CounterOpts{
HealthcheckBrokenCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "healthcheck_broken_total",
Help: "Counter of the number of complete failures of the healthchecks.",
})
SocketGauge = prometheus.NewGaugeVec(prometheus.GaugeOpts{
SocketGauge = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "sockets_open",
Help: "Gauge of open sockets per upstream.",
}, []string{"to"})
MaxConcurrentRejectCount = prometheus.NewCounter(prometheus.CounterOpts{
MaxConcurrentRejectCount = promauto.NewCounter(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "max_concurrent_rejects_total",