-
Notifications
You must be signed in to change notification settings - Fork 3
/
action-metrics.go
81 lines (69 loc) · 2.94 KB
/
action-metrics.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
// Copyright (c) 2021 6 River Systems
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package actions
import (
"fmt"
"strings"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"go.6river.tech/mmmbbb/version"
)
const outcomeLabel = "outcome"
// the action succeeded and was committed to the db
const outcomeSuccess = "success"
// the action failed and was rolled back because of that
const outcomeFailure = "failure"
// the action ran to completion, but commit failed, and so it was rolled back
const outcomeCanceled = "canceled"
func actionMetrics(name, subject, verb string) (prometheus.Counter, *prometheus.HistogramVec) {
counters, histogram := actionMetricsMulti(name, []struct {
subject string
verb string
}{{subject, verb}})
return counters[0], histogram
}
func actionMetricsMulti(
name string,
items []struct{ subject, verb string },
) ([]prometheus.Counter, *prometheus.HistogramVec) {
prettyName := strings.ReplaceAll(name, "_", " ")
counters := make([]prometheus.Counter, len(items))
for i, sv := range items {
counters[i] = promauto.NewCounter(prometheus.CounterOpts{
Namespace: version.AppName,
Name: fmt.Sprintf("%s_num_%s", name, sv.verb),
Help: fmt.Sprintf("Number of %s %s in calls to %s", sv.subject, sv.verb, prettyName),
})
}
histogram := promauto.NewHistogramVec(prometheus.HistogramOpts{
Namespace: version.AppName,
Name: fmt.Sprintf("%s_duration", name),
Help: fmt.Sprintf("Runtime histogram for %s, by outcome", prettyName),
Buckets: extendedBuckets,
}, []string{outcomeLabel})
return counters, histogram
}
// need to initialize this with a function so that init order works correctly
var extendedBuckets = makeExtendedBuckets()
func makeExtendedBuckets() []float64 {
ret := make([]float64, 0, len(prometheus.DefBuckets)+5)
ret = append(ret, prometheus.DefBuckets...)
ret = append(ret, 30, 60, 120, 300, 600)
return ret
}