TrueCloudLab/coredns
16
0
Fork 2
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

using promauto package to ensure all created metrics are properly registered (#4025)

Browse source 
Signed-off-by: zounengren <zounengren@cmss.chinamobile.com>
This commit is contained in:
Zou Nengren 2020-07-25 23:06:28 +08:00 • committed by GitHub
parent 05751bdb59
commit 4166dcc2fe
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
31 changed files with 71 additions and 163 deletions
Download patch file Download diff file Expand all files Collapse all files

13
plugin/cache/metrics.go vendored
View file

@ -4,46 +4,47 @@ import (
"github.com/coredns/coredns/plugin"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
)
var (
// cacheSize is total elements in the cache by cache type.
cacheSize = prometheus.NewGaugeVec(prometheus.GaugeOpts{
cacheSize = promauto.NewGaugeVec(prometheus.GaugeOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "entries",
Help: "The number of elements in the cache.",
}, []string{"server", "type"})
// cacheHits is counter of cache hits by cache type.
cacheHits = prometheus.NewCounterVec(prometheus.CounterOpts{
cacheHits = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "hits_total",
Help: "The count of cache hits.",
}, []string{"server", "type"})
// cacheMisses is the counter of cache misses.
cacheMisses = prometheus.NewCounterVec(prometheus.CounterOpts{
cacheMisses = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "misses_total",
Help: "The count of cache misses.",
}, []string{"server"})
// cachePrefetches is the number of time the cache has prefetched a cached item.
cachePrefetches = prometheus.NewCounterVec(prometheus.CounterOpts{
cachePrefetches = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "prefetch_total",
Help: "The number of times the cache has prefetched a cached item.",
}, []string{"server"})
// cacheDrops is the number responses that are not cached, because the reply is malformed.
cacheDrops = prometheus.NewCounterVec(prometheus.CounterOpts{
cacheDrops = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "drops_total",
Help: "The number responses that are not cached, because the reply is malformed.",
}, []string{"server"})
// servedStale is the number of requests served from stale cache entries.
servedStale = prometheus.NewCounterVec(prometheus.CounterOpts{
servedStale = promauto.NewCounterVec(prometheus.CounterOpts{
Namespace: plugin.Namespace,
Subsystem: "cache",
Name: "served_stale_total",