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plugin/forward: Allow Proxy to be used outside of forward plugin. (#5951)

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* 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>
This commit is contained in:
Pat Downey
2023-03-24 12:55:51 +00:00
committed by GitHub
parent 47dceabfc6
commit f823825f8a
19 changed files with 529 additions and 210 deletions
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37
plugin/forward/metrics.go
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@@ -9,31 +9,6 @@ import (
// Variables declared for monitoring.
var (
RequestCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "requests_total",
Help: "Counter of requests made per upstream.",
}, []string{"to"})
RcodeCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "responses_total",
Help: "Counter of responses received per upstream.",
}, []string{"rcode", "to"})
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", "rcode"})
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 = promauto.NewCounter(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
@@ -46,16 +21,4 @@ var (
Name: "max_concurrent_rejects_total",
Help: "Counter of the number of queries rejected because the concurrent queries were at maximum.",
})
ConnCacheHitsCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "conn_cache_hits_total",
Help: "Counter of connection cache hits per upstream and protocol.",
}, []string{"to", "proto"})
ConnCacheMissesCount = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "forward",
Name: "conn_cache_misses_total",
Help: "Counter of connection cache misses per upstream and protocol.",
}, []string{"to", "proto"})
)