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completed metrics of cache and forward (#3962)

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Signed-off-by: zounengren <zounengren@cmss.chinamobile.com>
This commit is contained in:
Zou Nengren
2020-06-24 12:54:03 +08:00
committed by GitHub
parent 55a33aa9d2
commit 73e927d6a8
5 changed files with 10 additions and 4 deletions
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2
man/coredns-cache.7
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@@ -100,6 +100,8 @@ If monitoring is enabled (via the \fIprometheus\fP plugin) then the following me
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_cache_misses_total{server}\fR - Counter of cache misses. \fB\fCcoredns_cache_misses_total{server}\fR - Counter of cache misses.
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_cache_prefetch_total{server}\fR - Counter of cache has prefetched a cached item.
.IP \(bu 4
\fB\fCcoredns_cache_drops_total{server}\fR - Counter of responses excluded from the cache due to request/response question name mismatch. \fB\fCcoredns_cache_drops_total{server}\fR - Counter of responses excluded from the cache due to request/response question name mismatch.
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_cache_served_stale_total{server}\fR - Counter of requests served from stale cache entries. \fB\fCcoredns_cache_served_stale_total{server}\fR - Counter of requests served from stale cache entries.

6
man/coredns-forward.7
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@@ -163,9 +163,11 @@ The read timeout is static at 2s.
If monitoring is enabled (via the \fIprometheus\fP plugin) then the following metric are exported: If monitoring is enabled (via the \fIprometheus\fP plugin) then the following metric are exported:
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_forward_request_duration_seconds{to}\fR - duration per upstream interaction. \fB\fCcoredns_forward_requests_total{to}\fR - Counter of requests made per upstream.
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_forward_requests_total{to}\fR - query count per upstream. \fB\fCcoredns_forward_responses_total{to}\fR - Counter of responses made per upstream.
.IP \(bu 4
\fB\fCcoredns_forward_request_duration_seconds{to}\fR - duration per upstream interaction.
.IP \(bu 4 .IP \(bu 4
\fB\fCcoredns_forward_responses_total{to, rcode}\fR - count of RCODEs per upstream. \fB\fCcoredns_forward_responses_total{to, rcode}\fR - count of RCODEs per upstream.
.IP \(bu 4 .IP \(bu 4

1
plugin/cache/README.md vendored
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@@ -73,6 +73,7 @@ If monitoring is enabled (via the *prometheus* plugin) then the following metric
* `coredns_cache_entries{server, type}` - Total elements in the cache by cache type. * `coredns_cache_entries{server, type}` - Total elements in the cache by cache type.
* `coredns_cache_hits_total{server, type}` - Counter of cache hits by cache type. * `coredns_cache_hits_total{server, type}` - Counter of cache hits by cache type.
* `coredns_cache_misses_total{server}` - Counter of cache misses. * `coredns_cache_misses_total{server}` - Counter of cache misses.
* `coredns_cache_prefetch_total{server}` - Counter of cache has prefetched a cached item.
* `coredns_cache_drops_total{server}` - Counter of responses excluded from the cache due to request/response question name mismatch. * `coredns_cache_drops_total{server}` - Counter of responses excluded from the cache due to request/response question name mismatch.
* `coredns_cache_served_stale_total{server}` - Counter of requests served from stale cache entries. * `coredns_cache_served_stale_total{server}` - Counter of requests served from stale cache entries.

3
plugin/forward/README.md
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@@ -107,8 +107,9 @@ On each endpoint, the timeouts for communication are set as follows:
If monitoring is enabled (via the *prometheus* plugin) then the following metric are exported: If monitoring is enabled (via the *prometheus* plugin) then the following metric are exported:
* `coredns_forward_request_duration_seconds{to}` - duration per upstream interaction.
* `coredns_forward_requests_total{to}` - query count per upstream. * `coredns_forward_requests_total{to}` - query count per upstream.
* `coredns_forward_responses_total{to}` - Counter of responses made per upstream.
* `coredns_forward_request_duration_seconds{to}` - duration per upstream interaction.
* `coredns_forward_responses_total{to, rcode}` - count of RCODEs per upstream. * `coredns_forward_responses_total{to, rcode}` - count of RCODEs per upstream.
* `coredns_forward_healthcheck_failures_total{to}` - number of failed health checks per upstream. * `coredns_forward_healthcheck_failures_total{to}` - number of failed health checks per upstream.
* `coredns_forward_healthcheck_broken_total{}` - counter of when all upstreams are unhealthy, * `coredns_forward_healthcheck_broken_total{}` - counter of when all upstreams are unhealthy,

2
plugin/forward/metrics.go
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@@ -18,7 +18,7 @@ var (
Namespace: plugin.Namespace, Namespace: plugin.Namespace,
Subsystem: "forward", Subsystem: "forward",
Name: "responses_total", Name: "responses_total",
Help: "Counter of requests made per upstream.", Help: "Counter of response made per upstream.",
}, []string{"rcode", "to"}) }, []string{"rcode", "to"})
RequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{ RequestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: plugin.Namespace, Namespace: plugin.Namespace,