/
cfg.go
129 lines (105 loc) · 2.6 KB
/
cfg.go
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package g
import (
"encoding/json"
"log"
"os"
"sync"
"github.com/toolkits/file"
)
type PluginConfig struct {
Enabled bool `json:"enabled"`
Dir string `json:"dir"`
Git string `json:"git"`
LogDir string `json:"logs"`
}
type HeartbeatConfig struct {
Enabled bool `json:"enabled"`
Addr string `json:"addr"`
Interval int `json:"interval"`
Timeout int `json:"timeout"`
}
type TransferConfig struct {
Enabled bool `json:"enabled"`
Addrs []string `json:"addrs"`
Interval int `json:"interval"`
Timeout int `json:"timeout"`
}
type HttpConfig struct {
Enabled bool `json:"enabled"`
Listen string `json:"listen"`
Backdoor bool `json:"backdoor"`
}
type CollectorConfig struct {
IfacePrefix []string `json:"ifacePrefix"`
MountPoint []string `json:"mountPoint"`
}
type GlobalConfig struct {
Debug bool `json:"debug"`
Hostname string `json:"hostname"`
IP string `json:"ip"`
Plugin *PluginConfig `json:"plugin"`
Heartbeat *HeartbeatConfig `json:"heartbeat"`
Transfer *TransferConfig `json:"transfer"`
Http *HttpConfig `json:"http"`
Collector *CollectorConfig `json:"collector"`
DefaultTags map[string]string `json:"default_tags"`
IgnoreMetrics map[string]bool `json:"ignore"`
}
var (
ConfigFile string
config *GlobalConfig
lock = new(sync.RWMutex)
)
func Config() *GlobalConfig {
lock.RLock()
defer lock.RUnlock()
return config
}
func Hostname() (string, error) {
hostname := Config().Hostname
if hostname != "" {
return hostname, nil
}
if os.Getenv("FALCON_ENDPOINT") != "" {
hostname = os.Getenv("FALCON_ENDPOINT")
return hostname, nil
}
hostname, err := os.Hostname()
if err != nil {
log.Println("ERROR: os.Hostname() fail", err)
}
return hostname, err
}
func IP() string {
ip := Config().IP
if ip != "" {
// use ip in configuration
return ip
}
if len(LocalIp) > 0 {
ip = LocalIp
}
return ip
}
func ParseConfig(cfg string) {
if cfg == "" {
log.Fatalln("use -c to specify configuration file")
}
if !file.IsExist(cfg) {
log.Fatalln("config file:", cfg, "is not existent. maybe you need `mv cfg.example.json cfg.json`")
}
ConfigFile = cfg
configContent, err := file.ToTrimString(cfg)
if err != nil {
log.Fatalln("read config file:", cfg, "fail:", err)
}
var c GlobalConfig
err = json.Unmarshal([]byte(configContent), &c)
if err != nil {
log.Fatalln("parse config file:", cfg, "fail:", err)
}
lock.Lock()
defer lock.Unlock()
config = &c
log.Println("read config file:", cfg, "successfully")
}