This repository has been archived by the owner on Dec 1, 2018. It is now read-only.
/
formatter.go
75 lines (63 loc) · 1.87 KB
/
formatter.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
// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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 statsd
import (
"fmt"
"k8s.io/heapster/metrics/core"
"strings"
"unicode"
)
type Formatter interface {
Format(prefix string, name string, labels map[string]string, customizeLabel CustomizeLabel, metricValue core.MetricValue) (res string, err error)
}
type LabelStyle func(string) string
type CustomizeLabel func(string) string
type LabelCustomizer struct {
renameLabels map[string]string
labelStyle LabelStyle
}
func (customizer LabelCustomizer) Customize(label string) string {
if val, ok := customizer.renameLabels[label]; ok {
label = val
}
return (customizer.labelStyle(label))
}
func NewFormatter(protocolType string) (formatter Formatter, err error) {
switch protocolType {
case "etsystatsd":
return NewEtsystatsdFormatter(), nil
case "influxstatsd":
return NewInfluxstatsdFormatter(), nil
default:
return nil, fmt.Errorf("Unknown statd formatter %s", protocolType)
}
}
func DefaultLabelStyle(str string) string {
return str
}
func SnakeToLowerCamel(str string) string {
res := SnakeToUpperCamel(str)
ustr := []rune(res)
ustr[0] = unicode.ToLower(ustr[0])
res = string(ustr)
return res
}
func SnakeToUpperCamel(str string) string {
res := ""
words := strings.Split(str, "_")
for _, word := range words {
res += strings.Title(word)
}
return res
}