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41 lines
1.3 KiB
Go
41 lines
1.3 KiB
Go
package proxy
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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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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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// Variables declared for monitoring.
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var (
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requestDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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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{"proxy_name", "to", "rcode"})
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healthcheckFailureCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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Name: "healthcheck_failures_total",
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Help: "Counter of the number of failed healthchecks.",
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}, []string{"proxy_name", "to"})
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connCacheHitsCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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Name: "conn_cache_hits_total",
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Help: "Counter of connection cache hits per upstream and protocol.",
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}, []string{"proxy_name", "to", "proto"})
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connCacheMissesCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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Name: "conn_cache_misses_total",
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Help: "Counter of connection cache misses per upstream and protocol.",
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}, []string{"proxy_name", "to", "proto"})
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)
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