func()

in go/config/config.go [145:198]

• 46 lines of code
• 7 McCabe index (conditional complexity)

func (c *CTConfig) Init() {
	var confFile string
	var flagBatchSize uint64
	flag.StringVar(&confFile, "config", "", "configuration .ini file")
	flag.Uint64Var(&flagBatchSize, "batchSize", 0, "limit on number of CT log entries to download per job")

	flag.Parse()

	if len(confFile) == 0 {
		userObj, err := user.Current()
		if err == nil {
			defPath := fmt.Sprintf("%s/.ct-fetch.ini", userObj.HomeDir)
			if _, err := os.Stat(defPath); err == nil {
				confFile = defPath
			}
		}
	}

	// First, check the config file, which might have come from a CLI paramater
	var section *ini.Section
	if len(confFile) > 0 {
		cfg, err := ini.Load(confFile)
		if err == nil {
			glog.Infof("Loaded config file from %s\n", confFile)
			section = cfg.Section("")
		} else {
			glog.Errorf("Could not load config file: %s\n", err)
		}
	}

	// Fill in values, where conf file < env vars
	confUint64(c.BatchSize, section, "batchSize", 4096)
	confString(c.RemoteSettingsURL, section, "remoteSettingsURL", "")
	confString(c.CTLogMetadata, section, "ctLogMetadata", "")
	confInt(c.NumThreads, section, "numThreads", 1)
	confBool(c.LogExpiredEntries, section, "logExpiredEntries", false)
	confBool(c.RunForever, section, "runForever", false)
	confUint64(c.PollingDelay, section, "pollingDelay", 600)
	confUint64(c.RemoteSettingsUpdateInterval, section, "remoteSettingsUpdateInterval", 3600)
	confString(c.SavePeriod, section, "savePeriod", "15m")
	confString(c.CertPath, section, "certPath", "")
	confString(c.GoogleProjectId, section, "googleProjectId", "")
	confString(c.RedisHost, section, "redisHost", "")
	confString(c.RedisTimeout, section, "redisTimeout", "5s")
	confString(c.StatsRefreshPeriod, section, "statsRefreshPeriod", "10m")
	confString(c.StatsDHost, section, "statsdHost", "")
	confInt(c.StatsDPort, section, "statsdPort", 8125)
	confString(c.HealthAddr, section, "healthAddr", ":8080")

	// Finally, CLI flags override
	if flagBatchSize > 0 {
		*c.BatchSize = flagBatchSize
	}
}