7b6cb76237
* plugin/grpc: New gRPC plugin * some changes after the first review: - remove healthcheck. gRPC already has this implicitly implemented - some naming and stetic changes - fix some comments - other minor fixes * plugin/grpc: New gRPC plugin * some changes after the first review: - remove healthcheck. gRPC already has this implicitly implemented - some naming and stetic changes - fix some comments - other minor fixes * add OWNERS file and change plugin order * remove Rcode checker
30 lines
905 B
Go
30 lines
905 B
Go
package grpc
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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: "grpc",
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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: "grpc",
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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: "grpc",
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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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)
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