/
metricspusher.go
85 lines (77 loc) · 2.57 KB
/
metricspusher.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/*
* Copyright 2017-2018 IBM Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package metricsmon
import (
"time"
"github.com/IBM/FfDL/commons/config"
"github.com/go-kit/kit/metrics/statsd"
stdprometheus "github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/push"
log "github.com/sirupsen/logrus"
"github.com/sony/gobreaker"
)
//StartMetricsPusher ...
func StartMetricsPusher(label string, interval time.Duration, url string) chan struct{} {
log.Info("Starting code to push out metrics")
quit := make(chan struct{})
ticker := time.NewTicker(interval)
go func() {
settings := gobreaker.Settings{
Name: "PUSH METRICS",
ReadyToTrip: func(counts gobreaker.Counts) bool {
failureRatio := float64(counts.TotalFailures) / float64(counts.Requests)
return counts.Requests >= 3 && failureRatio >= 0.6
},
OnStateChange: func(name string, from gobreaker.State, to gobreaker.State) {
log.Infof("Circuit breaker %s changing from status %v to state %v", name, from, to)
},
Timeout: 3 * time.Minute,
}
cb := gobreaker.NewCircuitBreaker(settings)
for {
select {
case <-ticker.C:
cb.Execute(func() (interface{}, error) {
err := pushMetrics(label, url)
return nil, err
})
case <-quit:
log.Info("request to stop the metrics pusher for url %s", url)
ticker.Stop()
return
}
}
}()
return quit
}
func pushMetrics(job string, url string) error {
labels := push.HostnameGroupingKey()
labels["namespace"] = config.GetPodNamespaceForPrometheus()
if err :=
push.AddFromGatherer(job, labels, url, stdprometheus.DefaultGatherer); err != nil {
log.WithError(err).Warnf("Failed to push metrics to url %s", url)
return err
}
return nil
}
//StartStatsdMetricsPusher ... pushes metrics out to statsd server every 30s
func StartStatsdMetricsPusher(statsd *statsd.Statsd, pushInterval time.Duration) {
log.Info("Starting code to push out metrics via statsd")
report := time.NewTicker(pushInterval)
//TODO
//defer report.Stop()
go statsd.SendLoop(report.C, "udp", "statsdexporter:9125")
}