-
Notifications
You must be signed in to change notification settings - Fork 156
/
metrics.go
113 lines (92 loc) · 3.13 KB
/
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
// Copyright 2019 ETH Zurich
//
// 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 metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/scionproto/scion/pkg/private/prom"
)
// Namespace is the metrics namespace for the metrics in this package.
const Namespace = "lib"
const sub = "reliable"
var (
// M exposes all the initialized metrics for this package.
M = newMetrics()
)
// DialLabels contains the labels for Dial calls.
type DialLabels struct {
Result string
}
// Labels returns the list of labels.
func (l DialLabels) Labels() []string {
return []string{prom.LabelResult}
}
// Values returns the label values in the order defined by Labels.
func (l DialLabels) Values() []string {
return []string{l.Result}
}
// RegisterLabels contains the labels for Register calls.
type RegisterLabels struct {
Result string
SVC string
}
// Labels returns the list of labels.
func (l RegisterLabels) Labels() []string {
return []string{prom.LabelResult, "svc"}
}
// Values returns the label values in the order defined by Labels.
func (l RegisterLabels) Values() []string {
return []string{l.Result, l.SVC}
}
// IOLabels contains the labels for Read and Write calls.
type IOLabels struct {
Result string
}
// Labels returns the list of labels.
func (l IOLabels) Labels() []string {
return []string{prom.LabelResult}
}
// Values returns the label values in the order defined by Labels.
func (l IOLabels) Values() []string {
return []string{l.Result}
}
type metrics struct {
dials *prometheus.CounterVec
registers *prometheus.CounterVec
reads *prometheus.HistogramVec
writes *prometheus.HistogramVec
}
func newMetrics() metrics {
return metrics{
dials: prom.NewCounterVecWithLabels(Namespace, sub, "dials_total",
"Total number of Dial calls.", DialLabels{}),
registers: prom.NewCounterVecWithLabels(Namespace, sub, "registers_total",
"Total number of Register calls.", RegisterLabels{}),
reads: prom.NewHistogramVecWithLabels(Namespace, sub, "reads_total",
"Total number of Read calls", IOLabels{}, prom.DefaultSizeBuckets),
writes: prom.NewHistogramVecWithLabels(Namespace, sub, "writes_total",
"Total number of Write calls", IOLabels{}, prom.DefaultSizeBuckets),
}
}
func (m metrics) Dials(l DialLabels) prometheus.Counter {
return m.dials.WithLabelValues(l.Values()...)
}
func (m metrics) Registers(l RegisterLabels) prometheus.Counter {
return m.registers.WithLabelValues(l.Values()...)
}
func (m metrics) Reads(l IOLabels) prometheus.Observer {
return m.reads.WithLabelValues(l.Values()...)
}
func (m metrics) Writes(l IOLabels) prometheus.Observer {
return m.writes.WithLabelValues(l.Values()...)
}