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Add calls metric (#637)

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* Add new Prometheus metric fn_api_calls

* Change fn_api_calls to a counter
This commit is contained in:
Nigel Deakin
2018-01-03 16:42:37 +00:00
committed by Reed Allman
parent 77d8f32ec4
commit c0dec594ef
1 changed files with 14 additions and 4 deletions
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18
api/agent/stats.go
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@@ -1,8 +1,9 @@
package agent
import (
"github.com/prometheus/client_golang/prometheus"
"sync"
"github.com/prometheus/client_golang/prometheus"
)
// TODO this should expose:
@@ -48,24 +49,31 @@ type FunctionStats struct {
}
var (
fnCalls = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "fn_api_calls",
Help: "Function calls by app and path",
},
[](string){"app", "path"},
)
fnQueued = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fn_api_queued",
Help: "Queued requests by path",
Help: "Queued requests by app and path",
},
[](string){"app", "path"},
)
fnRunning = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "fn_api_running",
Help: "Running requests by path",
Help: "Running requests by app and path",
},
[](string){"app", "path"},
)
fnCompleted = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "fn_api_completed",
Help: "Completed requests by path",
Help: "Completed requests by app and path",
},
[](string){"app", "path"},
)
@@ -79,6 +87,7 @@ var (
)
func init() {
prometheus.MustRegister(fnCalls)
prometheus.MustRegister(fnQueued)
prometheus.MustRegister(fnRunning)
prometheus.MustRegister(fnFailed)
@@ -104,6 +113,7 @@ func (s *stats) Enqueue(app string, path string) {
s.queue++
s.getStatsForFunction(path).queue++
fnQueued.WithLabelValues(app, path).Inc()
fnCalls.WithLabelValues(app, path).Inc()
s.mu.Unlock()
}