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conf.go
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conf.go
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package common
import (
"fmt"
"github.com/go-yaml/yaml"
filename "github.com/keepeye/logrus-filename"
"github.com/sirupsen/logrus"
"io/ioutil"
"os"
"path"
"path/filepath"
)
type (
LogConfig struct {
Debug bool `yaml:"debug"`
ConsoleLog bool `yaml:"consoleLog"`
LogPath string `yaml:"logPath"`
}
ServerConfig struct {
Basic struct {
BindAddr string `yaml:"bindAddr"`
BindPort int `yaml:"bindPort"`
}
Log LogConfig
Rest struct {
RestBindAddr string `yaml:"restBindAddr"`
RestBindPort int `yaml:"restBindPort"`
EnableRest bool `yaml:"enableRest"`
}
}
AgentConfig struct {
Basic struct {
Server string `yaml:"server"`
Port int `yaml:"port"`
AgentId string `yaml:"agentId"`
}
Log LogConfig
Miscs struct {
HttpTimeout int `yaml:"httpTimeout"`
}
}
)
var Log *logrus.Logger
var serverConf *ServerConfig
var clientConf *AgentConfig
func GetSrvConf() (*ServerConfig, bool) {
if serverConf == nil {
serverConf = &ServerConfig{}
return serverConf, serverConf.initSrvConfig()
}
return serverConf, true
}
func GetAgentConf() (*AgentConfig, bool) {
if clientConf == nil {
clientConf = &AgentConfig{}
return clientConf, clientConf.initClientConfig()
}
return clientConf, clientConf.initClientConfig()
}
func processPath(path string) (string, error) {
if abs, err := filepath.Abs(path); err != nil {
return "", nil
} else {
if _, err := os.Stat(abs); os.IsNotExist(err) {
return "", err
}
return abs, nil
}
}
func loadConf(fname string) ([]byte, bool) {
var confPath, err = processPath("etc/" + fname)
content, err := ioutil.ReadFile(confPath)
if nil != err {
fmt.Println("load conf err : ", err)
return nil, false
}
return content, true
}
func (conf LogConfig) validateLogSettings() bool {
var err error
if conf.LogPath, err = filepath.Abs(conf.LogPath); nil != err {
fmt.Println("log dir err : ", err)
return false
}
if _, err = os.Stat(conf.LogPath); os.IsNotExist(err) {
if err = os.MkdirAll(path.Dir(conf.LogPath), 0755); nil != err {
fmt.Println("make logdir err : ", err)
return false
}
}
Log = logrus.New()
filenameHook := filename.NewHook()
filenameHook.Field = "file"
Log.AddHook(filenameHook)
Log.SetFormatter(&logrus.TextFormatter{
TimestampFormat: "2006-01-02 15:04:05",
DisableColors: true,
FullTimestamp: true,
})
logFile, err := os.OpenFile(conf.LogPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err == nil {
Log.SetOutput(logFile)
return true
} else {
Log.Infof("Failed to log to file, using default stderr.")
return true
}
}
func (conf *ServerConfig) initSrvConfig() bool {
d, ok := loadConf("server.yaml")
if !ok {
return false
}
err := yaml.Unmarshal(d, conf)
if nil != err {
fmt.Println("unmashal conf err : ", err)
return false
}
if !conf.Log.validateLogSettings() {
return false
}
return true
}
func (conf *AgentConfig) initClientConfig() bool {
d, ok := loadConf("client.yaml")
if !ok {
return false
}
err := yaml.Unmarshal(d, conf)
if nil != err {
fmt.Println("unmashal conf err : ", err)
return false
}
if !conf.Log.validateLogSettings() {
return false
}
return true
}