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49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
package forward
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import (
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"github.com/coredns/coredns/plugin"
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"github.com/prometheus/client_golang/prometheus"
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)
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// Variables declared for monitoring.
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var (
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RequestCount = prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "request_count_total",
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Help: "Counter of requests made per upstream.",
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}, []string{"to"})
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RcodeCount = prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "response_rcode_count_total",
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Help: "Counter of requests made per upstream.",
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}, []string{"rcode", "to"})
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RequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "request_duration_seconds",
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Buckets: plugin.TimeBuckets,
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Help: "Histogram of the time each request took.",
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}, []string{"to"})
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HealthcheckFailureCount = prometheus.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "healthcheck_failure_count_total",
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Help: "Counter of the number of failed healthchecks.",
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}, []string{"to"})
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HealthcheckBrokenCount = prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "healthcheck_broken_count_total",
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Help: "Counter of the number of complete failures of the healthchecks.",
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})
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SocketGauge = prometheus.NewGaugeVec(prometheus.GaugeOpts{
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Namespace: plugin.Namespace,
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Subsystem: "forward",
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Name: "sockets_open",
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Help: "Gauge of open sockets per upstream.",
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}, []string{"to"})
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)
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