-
Notifications
You must be signed in to change notification settings - Fork 2
/
config.go
105 lines (91 loc) · 2.53 KB
/
config.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
package main
import (
"fmt"
"github.com/openmetric/a2graphite/ceilometer"
"gopkg.in/yaml.v2"
"io/ioutil"
"os"
"strings"
"time"
)
type logConfig struct {
Filename string `yaml:"filename"`
Level string `yaml:"level"`
}
type graphiteConfig struct {
URL string `yaml:"url"`
ReconnectDelay time.Duration `yaml:"reconnect_delay"`
Prefix string `yaml:"prefix"`
BufferSize int `yaml:"buffer_size"`
}
type statsConfig struct {
Enabled bool `yaml:"enabled"`
Interval time.Duration `yaml:"interval"`
URL string `yaml:"url"`
ReconnectDelay time.Duration `yaml:"reconnect_delay"`
Prefix string `yaml:"prefix"`
BufferSize int `yaml:"buffer_size"`
}
type profilerConfig struct {
Enabled bool `yaml:"enabled"`
ListenAddr string `yaml:"listen_addr"`
}
// Config is a2graphite main config
type Config struct {
Log *logConfig `yaml:"log"`
Graphite *graphiteConfig `yaml:"graphite"`
Stats *statsConfig `yaml:"stats"`
Profiler *profilerConfig `yaml:"profiler"`
// Receiver configs
Ceilometer *ceilometer.Config `yaml:"ceilometer"`
}
// NewConfig returns a default config instance
func NewConfig() *Config {
config := &Config{
Log: &logConfig{
Filename: "/dev/stdout",
Level: "info",
},
Graphite: &graphiteConfig{
ReconnectDelay: 100 * time.Microsecond,
BufferSize: 100,
Prefix: "a2graphite.",
},
Stats: &statsConfig{
Enabled: true,
Interval: 60 * time.Second,
ReconnectDelay: 100 * time.Microsecond,
BufferSize: 100,
Prefix: "a2graphite-stats.",
},
Profiler: &profilerConfig{
Enabled: false,
ListenAddr: "127.0.0.1:6060",
},
Ceilometer: ceilometer.NewConfig(),
}
return config
}
func loadConfig(configFile string) *Config {
if configFile == "" {
fmt.Println("Missing required option `-config /path/to/config.yml`")
os.Exit(1)
}
configContent, err := ioutil.ReadFile(configFile)
if err != nil {
fmt.Println("Error reading config file:", err)
os.Exit(1)
}
config := NewConfig()
err = yaml.Unmarshal(configContent, config)
if err != nil {
fmt.Println("Error reading config file:", err)
os.Exit(1)
}
// substitute "{host}" in "Prefix"
hostname, _ := os.Hostname()
hostname = strings.Replace(hostname, ".", "-", -1)
config.Graphite.Prefix = strings.Replace(config.Graphite.Prefix, "{host}", hostname, -1)
config.Stats.Prefix = strings.Replace(config.Stats.Prefix, "{host}", hostname, -1)
return config
}