f823825f8a
* plugin/forward: Move Proxy into pkg/plugin/proxy, to allow forward.Proxy to be used outside of forward plugin. Signed-off-by: Patrick Downey <patrick.downey@dioadconsulting.com>
49 lines
1.7 KiB
Go
49 lines
1.7 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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RequestCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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Name: "requests_total",
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Help: "Counter of requests made per upstream.",
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}, []string{"to"})
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RcodeCount = promauto.NewCounterVec(prometheus.CounterOpts{
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Namespace: plugin.Namespace,
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Subsystem: "proxy",
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Name: "responses_total",
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Help: "Counter of responses received per upstream.",
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}, []string{"rcode", "to"})
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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{"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{"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{"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{"to", "proto"})
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)
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