diff options
Diffstat (limited to 'plugin/cache/handler.go')
| -rw-r--r-- | plugin/cache/handler.go | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/plugin/cache/handler.go b/plugin/cache/handler.go index b7824beba..df2c74e39 100644 --- a/plugin/cache/handler.go +++ b/plugin/cache/handler.go @@ -1,6 +1,7 @@ package cache import ( + "sync" "time" "github.com/coredns/coredns/plugin" @@ -84,38 +85,31 @@ func (c *Cache) get(now time.Time, qname string, qtype uint16, do bool) (*item, var ( cacheSize = prometheus.NewGaugeVec(prometheus.GaugeOpts{ Namespace: plugin.Namespace, - Subsystem: subsystem, + Subsystem: "cache", Name: "size", Help: "The number of elements in the cache.", }, []string{"type"}) cacheCapacity = prometheus.NewGaugeVec(prometheus.GaugeOpts{ Namespace: plugin.Namespace, - Subsystem: subsystem, + Subsystem: "cache", Name: "capacity", Help: "The cache's capacity.", }, []string{"type"}) cacheHits = prometheus.NewCounterVec(prometheus.CounterOpts{ Namespace: plugin.Namespace, - Subsystem: subsystem, + Subsystem: "cache", Name: "hits_total", Help: "The count of cache hits.", }, []string{"type"}) cacheMisses = prometheus.NewCounter(prometheus.CounterOpts{ Namespace: plugin.Namespace, - Subsystem: subsystem, + Subsystem: "cache", Name: "misses_total", Help: "The count of cache misses.", }) ) -const subsystem = "cache" - -func init() { - prometheus.MustRegister(cacheSize) - prometheus.MustRegister(cacheCapacity) - prometheus.MustRegister(cacheHits) - prometheus.MustRegister(cacheMisses) -} +var once sync.Once |