Example #1
0
// Test logging with the go logger.
func TestGoLogger(t *testing.T) {
	log.SetOutput(os.Stdout)

	logger.SetLevel(logger.LevelDebug)
	logger.SetLogger(logger.NewGoLogger())

	logger.Debugf("Debug.")
	logger.Infof("Info.")
	logger.Warningf("Warning.")
	logger.Errorf("Error.")
	logger.Criticalf("Critical.")
}
Example #2
0
// ParseConfigOptions reads and applies arguments from the command line and the
// configuration file, merging them together as needed, with command line options
// taking precedence over options in the config file.
func ParseConfigOptions() error {
	var opts = &Options{}
	_, err := flags.Parse(opts)

	if err != nil {
		if err.(*flags.Error).Type == flags.ErrHelp {
			os.Exit(0)
		} else {
			log.Println(err)
			os.Exit(1)
		}
	}

	if opts.Version {
		fmt.Printf("goiardi version %s built with %s (aiming for compatibility with Chef Server version %s).\n", Version, runtime.Version(), ChefVersion)
		os.Exit(0)
	}

	/* Load the config file. Command-line options have precedence over
	 * config file options. */
	if opts.ConfFile != "" {
		if _, err := toml.DecodeFile(opts.ConfFile, Config); err != nil {
			log.Println(err)
			os.Exit(1)
		}
		Config.ConfFile = opts.ConfFile
		Config.FreezeData = false
	}

	if opts.Export != "" && opts.Import != "" {
		log.Println("Cannot use -x/--export and -m/--import flags together.")
		os.Exit(1)
	}

	if opts.Export != "" {
		Config.DoExport = true
		Config.ImpExFile = opts.Export
	} else if opts.Import != "" {
		Config.DoImport = true
		Config.ImpExFile = opts.Import
	}

	if opts.Hostname != "" {
		Config.Hostname = opts.Hostname
	} else {
		if Config.Hostname == "" {
			Config.Hostname, err = os.Hostname()
			if err != nil {
				log.Println(err)
				Config.Hostname = "localhost"
			}
		}
	}

	if opts.DataStoreFile != "" {
		Config.DataStoreFile = opts.DataStoreFile
	}

	if opts.IndexFile != "" {
		Config.IndexFile = opts.IndexFile
	}

	// Use MySQL?
	if opts.UseMySQL {
		Config.UseMySQL = opts.UseMySQL
	}

	// Use Postgres?
	if opts.UsePostgreSQL {
		Config.UsePostgreSQL = opts.UsePostgreSQL
	}

	if Config.UseMySQL && Config.UsePostgreSQL {
		err := fmt.Errorf("The MySQL and Postgres options cannot be used together.")
		log.Println(err)
		os.Exit(1)
	}

	// Use Postgres search?
	if opts.PgSearch {
		// make sure postgres is enabled
		if !Config.UsePostgreSQL {
			err := fmt.Errorf("--pg-search requires --use-postgresql (which makes sense, really).")
			log.Println(err)
			os.Exit(1)
		}
		Config.PgSearch = opts.PgSearch
	}

	if Config.DataStoreFile != "" && (Config.UseMySQL || Config.UsePostgreSQL) {
		err := fmt.Errorf("The MySQL or Postgres and data store options may not be specified together.")
		log.Println(err)
		os.Exit(1)
	}

	if !((Config.DataStoreFile == "" && Config.IndexFile == "") || ((Config.DataStoreFile != "" || (Config.UseMySQL || Config.UsePostgreSQL)) && Config.IndexFile != "")) {
		err := fmt.Errorf("-i and -D must either both be specified, or not specified")
		log.Println(err)
		os.Exit(1)
	}

	if (Config.UseMySQL || Config.UsePostgreSQL) && (Config.IndexFile == "" && !Config.PgSearch) {
		err := fmt.Errorf("An index file must be specified with -i or --index-file (or the 'index-file' config file option) when running with a MySQL or PostgreSQL backend.")
		log.Println(err)
		os.Exit(1)
	}

	if Config.IndexFile != "" && (Config.DataStoreFile != "" || (Config.UseMySQL || Config.UsePostgreSQL)) {
		Config.FreezeData = true
	}

	if opts.LogFile != "" {
		Config.LogFile = opts.LogFile
	}
	if opts.SysLog {
		Config.SysLog = opts.SysLog
	}
	if Config.LogFile != "" {
		lfp, lerr := os.Create(Config.LogFile)
		if lerr != nil {
			log.Println(err)
			os.Exit(1)
		}
		log.SetOutput(lfp)
	}
	if dlev := len(opts.Verbose); dlev != 0 {
		Config.DebugLevel = dlev
	}
	if Config.LogLevel != "" {
		if lev, ok := LogLevelNames[strings.ToLower(Config.LogLevel)]; ok && Config.DebugLevel == 0 {
			Config.DebugLevel = lev
		}
	}
	if Config.DebugLevel > 4 {
		Config.DebugLevel = 4
	}

	Config.DebugLevel = int(logger.LevelCritical) - Config.DebugLevel
	logger.SetLevel(logger.LogLevel(Config.DebugLevel))
	debugLevel := map[int]string{0: "debug", 1: "info", 2: "warning", 3: "error", 4: "critical"}
	log.Printf("Logging at %s level", debugLevel[Config.DebugLevel])
	if Config.SysLog {
		sl, err := logger.NewSysLogger("goiardi")
		if err != nil {
			log.Println(err.Error())
			os.Exit(1)
		}
		logger.SetLogger(sl)
	} else {
		logger.SetLogger(logger.NewGoLogger())
	}

	/* Database options */

	// Don't bother setting a default mysql port if mysql isn't used
	if Config.UseMySQL {
		if Config.MySQL.Port == "" {
			Config.MySQL.Port = "3306"
		}
	}

	// set default Postgres options
	if Config.UsePostgreSQL {
		if Config.PostgreSQL.Port == "" {
			Config.PostgreSQL.Port = "5432"
		}
	}

	if opts.LocalFstoreDir != "" {
		Config.LocalFstoreDir = opts.LocalFstoreDir
	}
	if Config.LocalFstoreDir == "" && (Config.UseMySQL || Config.UsePostgreSQL) {
		logger.Criticalf("local-filestore-dir must be set when running goiardi in SQL mode")
		os.Exit(1)
	}
	if Config.LocalFstoreDir != "" {
		finfo, ferr := os.Stat(Config.LocalFstoreDir)
		if ferr != nil {
			logger.Criticalf("Error checking local filestore dir: %s", ferr.Error())
			os.Exit(1)
		}
		if !finfo.IsDir() {
			logger.Criticalf("Local filestore dir %s is not a directory", Config.LocalFstoreDir)
			os.Exit(1)
		}
	}

	if !Config.FreezeData && (opts.FreezeInterval != 0 || Config.FreezeInterval != 0) {
		logger.Warningf("FYI, setting the freeze data interval's not especially useful without setting the index and data files.")
	}
	if opts.FreezeInterval != 0 {
		Config.FreezeInterval = opts.FreezeInterval
	}
	if Config.FreezeInterval == 0 {
		Config.FreezeInterval = 10
	}

	/* Root directory for certs and the like */
	if opts.ConfRoot != "" {
		Config.ConfRoot = opts.ConfRoot
	}

	if Config.ConfRoot == "" {
		if Config.ConfFile != "" {
			Config.ConfRoot = path.Dir(Config.ConfFile)
		} else {
			Config.ConfRoot = "."
		}
	}

	if opts.Ipaddress != "" {
		Config.Ipaddress = opts.Ipaddress
	}
	if Config.Ipaddress != "" {
		ip := net.ParseIP(Config.Ipaddress)
		if ip == nil {
			logger.Criticalf("IP address '%s' is not valid", Config.Ipaddress)
			os.Exit(1)
		}
	}

	if opts.Port != 0 {
		Config.Port = opts.Port
	}
	if Config.Port == 0 {
		Config.Port = 4545
	}

	if opts.UseSSL {
		Config.UseSSL = opts.UseSSL
	}
	if opts.SSLCert != "" {
		Config.SSLCert = opts.SSLCert
	}
	if opts.SSLKey != "" {
		Config.SSLKey = opts.SSLKey
	}
	if opts.HTTPSUrls {
		Config.HTTPSUrls = opts.HTTPSUrls
	}
	// SSL setup
	if Config.Port == 80 {
		Config.UseSSL = false
	} else if Config.Port == 443 {
		Config.UseSSL = true
	}
	if Config.UseSSL {
		if Config.SSLCert == "" || Config.SSLKey == "" {
			logger.Criticalf("SSL mode requires specifying both a certificate and a key file.")
			os.Exit(1)
		}
		/* If the SSL cert and key are not absolute files, join them
		 * with the conf root */
		if !path.IsAbs(Config.SSLCert) {
			Config.SSLCert = path.Join(Config.ConfRoot, Config.SSLCert)
		}
		if !path.IsAbs(Config.SSLKey) {
			Config.SSLKey = path.Join(Config.ConfRoot, Config.SSLKey)
		}
	}

	if opts.TimeSlew != "" {
		Config.TimeSlew = opts.TimeSlew
	}
	if Config.TimeSlew != "" {
		d, derr := time.ParseDuration(Config.TimeSlew)
		if derr != nil {
			logger.Criticalf("Error parsing time-slew: %s", derr.Error())
			os.Exit(1)
		}
		Config.TimeSlewDur = d
	} else {
		Config.TimeSlewDur, _ = time.ParseDuration(DefaultTimeSlew)
	}

	if opts.UseAuth {
		Config.UseAuth = opts.UseAuth
	}

	if opts.DisableWebUI {
		Config.DisableWebUI = opts.DisableWebUI
	}

	if opts.LogEvents {
		Config.LogEvents = opts.LogEvents
	}

	if opts.LogEventKeep != 0 {
		Config.LogEventKeep = opts.LogEventKeep
	}

	// Set max sizes for objects and json requests.
	if opts.ObjMaxSize != 0 {
		Config.ObjMaxSize = opts.ObjMaxSize
	}
	if opts.JSONReqMaxSize != 0 {
		Config.JSONReqMaxSize = opts.JSONReqMaxSize
	}
	if Config.ObjMaxSize == 0 {
		Config.ObjMaxSize = 10485760
	}
	if Config.JSONReqMaxSize == 0 {
		Config.JSONReqMaxSize = 1000000
	}

	if opts.UseUnsafeMemStore {
		Config.UseUnsafeMemStore = opts.UseUnsafeMemStore
	}

	if opts.DbPoolSize != 0 {
		Config.DbPoolSize = opts.DbPoolSize
	}
	if opts.MaxConn != 0 {
		Config.MaxConn = opts.MaxConn
	}
	if !UsingDB() {
		if Config.DbPoolSize != 0 {
			logger.Infof("db-pool-size is set to %d, which is not particularly useful if you are not using one of the SQL databases.", Config.DbPoolSize)
		}
		if Config.MaxConn != 0 {
			logger.Infof("max-connections is set to %d, which is not particularly useful if you are not using one of the SQL databases.", Config.MaxConn)
		}
	}
	if opts.UseSerf {
		Config.UseSerf = opts.UseSerf
	}
	if Config.UseSerf {
		if opts.SerfAddr != "" {
			Config.SerfAddr = opts.SerfAddr
		}
		if Config.SerfAddr == "" {
			Config.SerfAddr = "127.0.0.1:7373"
		}
	}
	if opts.SerfEventAnnounce {
		Config.SerfEventAnnounce = opts.SerfEventAnnounce
	}
	if Config.SerfEventAnnounce && !Config.UseSerf {
		logger.Criticalf("--serf-event-announce requires --use-serf")
		os.Exit(1)
	}

	if opts.UseShovey {
		if !Config.UseSerf {
			logger.Criticalf("--use-shovey requires --use-serf to be enabled")
			os.Exit(1)
		}
		Config.UseShovey = opts.UseShovey
	}

	// shovey signing key stuff
	if opts.SignPrivKey != "" {
		Config.SignPrivKey = opts.SignPrivKey
	}

	// if using shovey, open the existing, or create if absent, signing
	// keys.
	if Config.UseShovey {
		if Config.SignPrivKey == "" {
			Config.SignPrivKey = path.Join(Config.ConfRoot, "shovey-sign_rsa")
		} else if !path.IsAbs(Config.SignPrivKey) {
			Config.SignPrivKey = path.Join(Config.ConfRoot, Config.SignPrivKey)
		}
		privfp, err := os.Open(Config.SignPrivKey)
		if err != nil {
			logger.Criticalf("Private key %s for signing shovey requests not found. Please create a set of RSA keys for this purpose.", Config.SignPrivKey)
			os.Exit(1)
		}
		privPem, err := ioutil.ReadAll(privfp)
		if err != nil {
			logger.Criticalf(err.Error())
			os.Exit(1)
		}
		privBlock, _ := pem.Decode(privPem)
		if privBlock == nil {
			logger.Criticalf("Invalid block size for private key for shovey")
			os.Exit(1)
		}
		privKey, err := x509.ParsePKCS1PrivateKey(privBlock.Bytes)
		if err != nil {
			logger.Criticalf(err.Error())
			os.Exit(1)
		}
		Key.Lock()
		defer Key.Unlock()
		Key.PrivKey = privKey
	}

	if opts.DotSearch {
		Config.DotSearch = opts.DotSearch
	} else if Config.PgSearch {
		Config.DotSearch = true
	}
	if Config.DotSearch {
		if opts.ConvertSearch {
			Config.ConvertSearch = opts.ConvertSearch
		}
	}
	if Config.IndexFile != "" && Config.PgSearch {
		logger.Infof("Specifying an index file for search while using the postgres search isn't useful.")
	}

	return nil
}