Refactor the multi-host salt install page.

[arvados.git] / services / keepstore / stats_ticker.go

diff --git a/services/keepstore/stats_ticker.go b/services/keepstore/stats_ticker.go
index f3a79c68f3691e54bfee58f54a1f890a922c2273..520d4530c2ac2404ca47f561b3dd08c015f1e832 100644 (file)
--- a/services/keepstore/stats_ticker.go
+++ b/services/keepstore/stats_ticker.go
@@ -1,8 +1,14 @@
-package main
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+package keepstore
 
 import (
        "sync"
        "sync/atomic"
+
+       "github.com/prometheus/client_golang/prometheus"
 )
 
 type statsTicker struct {
@@ -12,6 +18,10 @@ type statsTicker struct {
 
        ErrorCodes map[string]uint64 `json:",omitempty"`
        lock       sync.Mutex
+
+       opsCounters *prometheus.CounterVec
+       errCounters *prometheus.CounterVec
+       ioBytes     *prometheus.CounterVec
 }
 
 // Tick increments each of the given counters by 1 using
@@ -37,14 +47,33 @@ func (s *statsTicker) TickErr(err error, errType string) {
        }
        s.ErrorCodes[errType]++
        s.lock.Unlock()
+       if s.errCounters != nil {
+               s.errCounters.With(prometheus.Labels{"error_type": errType}).Inc()
+       }
 }
 
 // TickInBytes increments the incoming byte counter by n.
 func (s *statsTicker) TickInBytes(n uint64) {
+       if s.ioBytes != nil {
+               s.ioBytes.With(prometheus.Labels{"direction": "in"}).Add(float64(n))
+       }
        atomic.AddUint64(&s.InBytes, n)
 }
 
 // TickOutBytes increments the outgoing byte counter by n.
 func (s *statsTicker) TickOutBytes(n uint64) {
+       if s.ioBytes != nil {
+               s.ioBytes.With(prometheus.Labels{"direction": "out"}).Add(float64(n))
+       }
        atomic.AddUint64(&s.OutBytes, n)
 }
+
+// TickOps increments the counter of the listed operations by 1.
+func (s *statsTicker) TickOps(operations ...string) {
+       if s.opsCounters == nil {
+               return
+       }
+       for _, opType := range operations {
+               s.opsCounters.With(prometheus.Labels{"operation": opType}).Inc()
+       }
+}