WIP: updated log level on some log entries and added environment variable expansion for command line and its arguments

config/config.go

@@ -30,6 +30,7 @@ const (
 	WMPidProxyPathFlag       = "pid-proxy"
 	WMExecPathFlag           = "exec"
 	PathConfigFlag           = "config"
+	GlobalLogConfig          = "log_level"
 )
 
 type Config struct {
@@ -84,9 +85,11 @@ func Read() (*Config, error) {
 	_ = viper.BindEnv(PathConfig)
 	_ = viper.BindEnv(PidProxyPathConfig)
 	_ = viper.BindEnv(ExecPathConfig)
+	_ = viper.BindEnv(GlobalLogConfig)
 	viper.SetDefault(PathConfig, DefaultConfigPath)
 	viper.SetDefault(PidProxyPathConfig, PidProxyPathDefault)
 	viper.SetDefault(ExecPathConfig, ExecPathDefault)
+	viper.SetDefault(GlobalLogConfig, wingmate.InfoLevelStr)
 
 	var (
 		dirent                  []os.DirEntry
@@ -101,6 +104,7 @@ func Read() (*Config, error) {
 		crones                  []CronTask
 	)
 
+	wingmate.SetGlobalLevelStr(viper.GetString(GlobalLogConfig))
 	serviceAvailable = false
 	cronAvailable = false
 	outConfig := &Config{
@@ -111,7 +115,7 @@ func Read() (*Config, error) {
 	svcdir = filepath.Join(configPath, ServiceDirName)
 	dirent, err = os.ReadDir(svcdir)
 	if err != nil {
-		wingmate.Log().Error().Msgf("encounter error when reading service directory %s: %+v", svcdir, err)
+		wingmate.Log().Warn().Msgf("encounter error when reading service directory %s: %+v", svcdir, err)
 	}
 	if len(dirent) > 0 {
 		for _, d := range dirent {
@@ -134,7 +138,7 @@ func Read() (*Config, error) {
 		cronAvailable = true
 	}
 	if err != nil {
-		wingmate.Log().Error().Msgf("encounter error when reading crontab %s: %+v", crontabfile, err)
+		wingmate.Log().Warn().Msgf("encounter error when reading crontab %s: %+v", crontabfile, err)
 	}
 
 	wingmateConfigAvailable = false