func (cm *ConfigManager) parseFlags() { pflag.StringVarP(&cm.Flags.ConfigFile, "configfile", "c", DefaultConfigFile, "Path to config") pflag.StringVarP(&cm.Flags.DestHost, "dest-host", "d", "", "Destination syslog hostname or IP") pflag.IntVarP(&cm.Flags.DestPort, "dest-port", "p", 0, "Destination syslog port") if utils.CanDaemonize { pflag.BoolVarP(&cm.Flags.NoDaemonize, "no-detach", "D", false, "Don't daemonize and detach from the terminal") } else { cm.Flags.NoDaemonize = true } pflag.StringVarP(&cm.Flags.Facility, "facility", "f", "user", "Facility") pflag.StringVar(&cm.Flags.Hostname, "hostname", "", "Local hostname to send from") pflag.StringVar(&cm.Flags.PidFile, "pid-file", "", "Location of the PID file") // --parse-syslog pflag.StringVarP(&cm.Flags.Severity, "severity", "s", "notice", "Severity") // --strip-color pflag.BoolVar(&cm.Flags.UseTCP, "tcp", false, "Connect via TCP (no TLS)") pflag.BoolVar(&cm.Flags.UseTLS, "tls", false, "Connect via TCP with TLS") pflag.BoolVar(&cm.Flags.Poll, "poll", false, "Detect changes by polling instead of inotify") pflag.Var(&cm.Flags.RefreshInterval, "new-file-check-interval", "How often to check for new files") _ = pflag.Bool("no-eventmachine-tail", false, "No action, provided for backwards compatibility") _ = pflag.Bool("eventmachine-tail", false, "No action, provided for backwards compatibility") pflag.StringVar(&cm.Flags.DebugLogFile, "debug-log-cfg", "", "the debug log file") pflag.StringVar(&cm.Flags.LogLevels, "log", "<root>=INFO", "\"logging configuration <root>=INFO;first=TRACE\"") pflag.Parse() cm.FlagFiles = pflag.Args() }
func init() { flag.Usage = printUsage // set the defaults defaultSSL = true defaultPort = 38332 defaultAddress = "localhost" defaultConfigPath := computeDefaultConfigPath() flag.StringVarP(&flagConfigPath, "config", "c", defaultConfigPath, "config file path") flag.StringVarP(&flagUsername, "rpcuser", "u", "", "rpc user name") flag.StringVarP(&flagPassword, "rpcpassword", "p", "", "rpc password") flag.BoolVar(&flagSSL, "ssl", defaultSSL, "use secure sockets SSL") flag.IntVarP(&flagPort, "port", "n", defaultPort, "port number") flag.StringVarP(&flagAddress, "host", "a", defaultAddress, "server address") flag.BoolVarP(&verbose, "verbose", "v", false, "verbose output for debugging") // k , ignore server certificate errors (not recommended, only for testing self-signed certificates") flag.BoolVar(&flagHelp, "help", false, "Display this information") flag.BoolVar(&flagVersion, "version", false, "Display version information") flag.BoolVarP(&flagInsecure, "insecure", "k", false, "Allow connections to servers with 'insecure' SSL connections e.g. self-signed certificates. By default, this option is false, unless the server is localhost or an explicit IP address, in which case the option is true.") flag.Parse() flagSetMap = make(map[string]bool) flag.Visit(visitFlagSetMap) }
func main() { var config Config flag.BoolVar(&DEBUG, "debug", false, "enable debug logging") flag.BoolVar(&QUIET, "quiet", false, "disable output") flag.StringVar(&config.FieldSep, "csv-fields-terminated-by", "\t", "field separator") flag.StringVar(&config.RowSep, "csv-records-terminated-by", "\n", "row separator") flag.StringVar(&config.NullString, "csv-null-string", "\\N", "output string for NULL values") flag.BoolVar(&config.DateEpoch, "epoch", true, "output datetime as epoch instead of RFC3339") defaults_file := flag.String("defaults-file", "my.cnf", "defaults file") defaults_group_suffix := flag.String("defaults-group-suffix", "", "defaults group suffix") format := flag.String("format", "json", "output format 'json' or 'csv'") flag.Usage = func() { fmt.Fprintf(os.Stderr, "Usage: mysqlcsvdump [options] database table > output.json\n\n") fmt.Fprintf(os.Stderr, "Reads connection info from ./my.cnf. Use '-' for table to send query in stdin\n\n") flag.PrintDefaults() } flag.Parse() args := flag.Args() if len(args) < 2 { flag.Usage() os.Exit(1) } dsn := getDSN(*defaults_file, "client"+*defaults_group_suffix, args[0]) rows := getRows(dsn, args[1]) if *format == "json" { NewJsonWriter(&config).WriteRows(rows) } else { NewCsvWriter(&config).WriteRows(rows) } }
func init() { flag.BoolVar(&flagListProtocols, "list-protocols", false, "list all registered protocols and then exit") flag.BoolVar(&flagUseTransparent, "transparent", false, "use transparent proxying (only available on Linux)") flag.Uint16VarP(&flagListenPort, "port", "p", 0, "port to listen on") flag.StringVarP(&flagListenHost, "host", "h", "0.0.0.0", "host to listen on") }
// Main entry point func main() { // Set defaults for the server configuration with BaseConfiguration // inside of MyConfiguration. Conf = &MyConfiguration{ BaseConfiguration: goserv.BaseConfiguration{ BindAddress: "0.0.0.0", BindPort: 80, ReadTimeout: 10 * time.Second, WriteTimeout: 10 * time.Second, MaxHeaderBytes: 1 << 20, LogLevel: "debug", }, Test: false, } // Add a flag for our custom Test addition to the Configuration flag.BoolVar(&Conf.Test, "Test", Conf.Test, "Example of extending the Configuration") // Simple handler to say hello! http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { w.Write([]byte("hello!")) }) // Make a new server. server := goserv.NewServer(&Conf.BaseConfiguration) // Log that we are listing goserv.Logger.Infof("Listening for connections on %s", server.Addr) // And listen for connections server.ListenAndServe() }
func parseArgs() args { result := args{} pflag.Usage = usage pflag.BoolVarP(&result.options.KeepGoing, "keep-going", "k", false, "") pflag.BoolVar(&result.options.CheckAll, "check-all", false, "") pflag.StringVarP(&result.scriptFile, "file", "f", "", "") verbose := pflag.BoolP("verbose", "v", false, "") quiet := pflag.BoolP("quiet", "q", false, "") topics := pflag.String("debug", "", "") pflag.Parse() if *topics != "" { result.debugTopics = strings.Split(*topics, ",") } // argh: really, we just want a callback for each occurence of -q // or -v, which decrements or increments verbosity if *quiet { result.verbosity = 0 } else if *verbose { result.verbosity = 2 } else { result.verbosity = 1 } result.options.Targets = pflag.Args() return result }
func main() { var profile, version bool flag.BoolVarP(&version, "version", "v", false, "\tShow version") flag.BoolVar(&profile, "profile", false, "\tEnable profiler") flag.Parse() InitConfig() if profile { f, err := os.Create("alexandria.prof") if err != nil { panic(err) } pprof.StartCPUProfile(f) defer pprof.StopCPUProfile() } // TODO run when there is something new render.GenerateIndex() if version { fmt.Println(NAME, VERSION) return } err := qml.Run(run) if err != nil { panic(err) } }
func main() { var profile, version bool flag.BoolVarP(&version, "version", "v", false, "\tShow version") flag.BoolVar(&profile, "profile", false, "\tEnable profiler") flag.Parse() InitConfig() Config.MaxResults = 20 if profile { f, err := os.Create("alexandria.prof") if err != nil { panic(err) } pprof.StartCPUProfile(f) defer pprof.StopCPUProfile() } // TODO run GenerateIndex() when there is something new if version { fmt.Println(NAME, VERSION) return } http.HandleFunc("/", mainHandler) http.HandleFunc("/stats", statsHandler) http.HandleFunc("/search", queryHandler) http.HandleFunc("/alexandria.edit", editHandler) serveDirectory("/images/", Config.CacheDirectory) serveDirectory("/static/", Config.TemplateDirectory+"static") http.ListenAndServe("127.0.0.1:41665", nil) }
func init() { pflag.DurationVar(&config.TickerTime, "ticker-time", 15*time.Minute, "Ticker time.") pflag.BoolVar(&config.DryRun, "dry-run", true, "Write to STDOUT instead of InfluxDB") pflag.IntVar(&config.OWMcityID, "owm-city-id", 0, "Open Weather Map city ID") pflag.IntVar(&config.InfluxPort, "influx-port", 8086, "InfluxDB Port") pflag.StringVar(&config.InfluxHost, "influx-host", "localhost", "InfluxDB Port") pflag.StringVar(&config.InfluxUser, "influx-user", "", "InfluxDB User") pflag.StringVar(&config.InfluxDB, "influx-db", "", "InfluxDB Database") pflag.StringVar(&config.InfluxPassword, "influx-password", "", "InfluxDB Password") pflag.StringVar(&config.InfluxRetention, "influx-retention", "default", "InfluxDB Retention") pflag.StringVar(&config.DhtType, "dht-type", "DHT22", "DHT Type (DHT11, DHT22)") pflag.IntVar(&config.DhtPin, "dht-pin", 4, "Pin Number DHT Data is connected to") pflag.BoolVar(&config.DHTPerf, "dht-perf", false, "Run DHT read in Boost Performance Mode - true will result in needing sudo") pflag.IntVar(&config.DhtRetries, "dht-retries", 15, "Number of reading data retries") }
func init() { flag.StringVar(&conf, "conf", "config.toml", "Path of the configuration file") flag.BoolVar(&version, "version", false, "Return version") flag.StringVar(&user, "user", "", "User for MariaDB login, specified in the [user]:[password] format") flag.StringVar(&hosts, "hosts", "", "List of MariaDB hosts IP and port (optional), specified in the host:[port] format and separated by commas") flag.StringVar(&socket, "socket", "/var/run/mysqld/mysqld.sock", "Path of MariaDB unix socket") flag.StringVar(&rpluser, "rpluser", "", "Replication user in the [user]:[password] format") flag.BoolVar(&interactive, "interactive", true, "Ask for user interaction when failures are detected") flag.BoolVar(&verbose, "verbose", false, "Print detailed execution info") flag.StringVar(&preScript, "pre-failover-script", "", "Path of pre-failover script") flag.StringVar(&postScript, "post-failover-script", "", "Path of post-failover script") flag.Int64Var(&maxDelay, "maxdelay", 0, "Maximum replication delay before initiating failover") flag.BoolVar(>idCheck, "gtidcheck", false, "Check that GTID sequence numbers are identical before initiating failover") flag.StringVar(&prefMaster, "prefmaster", "", "Preferred candidate server for master failover, in host:[port] format") flag.StringVar(&ignoreSrv, "ignore-servers", "", "List of servers to ignore in slave promotion operations") flag.Int64Var(&waitKill, "wait-kill", 5000, "Wait this many milliseconds before killing threads on demoted master") flag.BoolVar(&readonly, "readonly", true, "Set slaves as read-only after switchover") flag.StringVar(&failover, "failover", "", "Failover mode, either 'monitor', 'force' or 'check'") flag.IntVar(&maxfail, "failcount", 5, "Trigger failover after N failures (interval 1s)") flag.StringVar(&switchover, "switchover", "", "Switchover mode, either 'keep' or 'kill' the old master.") flag.BoolVar(&autorejoin, "autorejoin", true, "Automatically rejoin a failed server to the current master.") flag.StringVar(&logfile, "logfile", "", "Write MRM messages to a log file") flag.IntVar(&timeout, "connect-timeout", 5, "Database connection timeout in seconds") flag.IntVar(&faillimit, "failover-limit", 0, "In auto-monitor mode, quit after N failovers (0: unlimited)") flag.Int64Var(&failtime, "failover-time-limit", 0, "In auto-monitor mode, wait N seconds before attempting next failover (0: do not wait)") }
func main() { var index, profile, stats, version bool flag.BoolVarP(&index, "index", "i", false, "\tUpdate the index") flag.BoolVarP(&stats, "stats", "S", false, "\tPrint some statistics") flag.BoolVarP(&version, "version", "v", false, "\tShow version") flag.BoolVar(&profile, "profile", false, "\tEnable profiler") flag.Parse() InitConfig() Config.MaxResults = 1e9 if profile { f, err := os.Create("alexandria.prof") if err != nil { panic(err) } pprof.StartCPUProfile(f) defer pprof.StopCPUProfile() } switch { case index: GenerateIndex() case stats: printStats() case version: fmt.Println(NAME, VERSION) default: i := 1 if len(os.Args) > 0 { if os.Args[1] == "--" { i += 1 } else if os.Args[1] == "all" { fmt.Printf("Rendered all %d scrolls.\n", RenderAllScrolls()) os.Exit(0) } } results, err := FindScrolls(strings.Join(os.Args[i:], " ")) if err != nil { panic(err) } fmt.Printf("There are %d matching scrolls.\n", len(results.Ids)) for _, id := range results.Ids { fmt.Println("file://" + Config.CacheDirectory + string(id.Id) + ".png") } } }
func (mmsd *mmsdService) Run() { flag.BoolVarP(&mmsd.Verbose, "verbose", "v", mmsd.Verbose, "Set verbosity level") flag.IPVar(&mmsd.MarathonIP, "marathon-ip", mmsd.MarathonIP, "Marathon endpoint TCP IP address") flag.UintVar(&mmsd.MarathonPort, "marathon-port", mmsd.MarathonPort, "Marathon endpoint TCP port number") flag.DurationVar(&mmsd.ReconnectDelay, "reconnect-delay", mmsd.ReconnectDelay, "Marathon reconnect delay") flag.StringVar(&mmsd.RunStateDir, "run-state-dir", mmsd.RunStateDir, "Path to directory to keep run-state") flag.StringVar(&mmsd.FilterGroups, "filter-groups", mmsd.FilterGroups, "Application group filter") flag.IPVar(&mmsd.ManagedIP, "managed-ip", mmsd.ManagedIP, "IP-address to manage for mmsd") flag.BoolVar(&mmsd.GatewayEnabled, "enable-gateway", mmsd.GatewayEnabled, "Enables gateway support") flag.IPVar(&mmsd.GatewayAddr, "gateway-bind", mmsd.GatewayAddr, "gateway bind address") flag.UintVar(&mmsd.GatewayPortHTTP, "gateway-port-http", mmsd.GatewayPortHTTP, "gateway port for HTTP") flag.UintVar(&mmsd.GatewayPortHTTPS, "gateway-port-https", mmsd.GatewayPortHTTPS, "gateway port for HTTPS") flag.BoolVar(&mmsd.FilesEnabled, "enable-files", mmsd.FilesEnabled, "enables file based service discovery") flag.BoolVar(&mmsd.UDPEnabled, "enable-udp", mmsd.UDPEnabled, "enables UDP load balancing") flag.BoolVar(&mmsd.TCPEnabled, "enable-tcp", mmsd.TCPEnabled, "enables haproxy TCP load balancing") flag.BoolVar(&mmsd.LocalHealthChecks, "enable-health-checks", mmsd.LocalHealthChecks, "Enable local health checks (if available) instead of relying on Marathon health checks alone.") flag.StringVar(&mmsd.HaproxyBin, "haproxy-bin", mmsd.HaproxyBin, "path to haproxy binary") flag.StringVar(&mmsd.HaproxyTailCfg, "haproxy-cfgtail", mmsd.HaproxyTailCfg, "path to haproxy tail config file") flag.IPVar(&mmsd.ServiceAddr, "haproxy-bind", mmsd.ServiceAddr, "haproxy management port") flag.UintVar(&mmsd.HaproxyPort, "haproxy-port", mmsd.HaproxyPort, "haproxy management port") flag.BoolVar(&mmsd.DnsEnabled, "enable-dns", mmsd.DnsEnabled, "Enables DNS-based service discovery") flag.UintVar(&mmsd.DnsPort, "dns-port", mmsd.DnsPort, "DNS service discovery port") flag.BoolVar(&mmsd.DnsPushSRV, "dns-push-srv", mmsd.DnsPushSRV, "DNS service discovery to also push SRV on A") flag.StringVar(&mmsd.DnsBaseName, "dns-basename", mmsd.DnsBaseName, "DNS service discovery's base name") flag.DurationVar(&mmsd.DnsTTL, "dns-ttl", mmsd.DnsTTL, "DNS service discovery's reply message TTL") showVersionAndExit := flag.BoolP("version", "V", false, "Shows version and exits") flag.Usage = func() { showVersion() fmt.Fprintf(os.Stderr, "\nUsage: mmsd [flags ...]\n\n") flag.PrintDefaults() fmt.Fprintf(os.Stderr, "\n") } flag.Parse() if *showVersionAndExit { showVersion() os.Exit(0) } mmsd.setupHandlers() mmsd.setupEventBusListener() mmsd.setupHttpService() <-mmsd.quitChannel }
func (config *Config) parseFlags() { // registry flag.StringVar(&config.Registry.Auth, "registry-auth", "", "Registry basic auth") flag.StringVar(&config.Registry.Datacenter, "registry-datacenter", "", "Registry datacenter") flag.StringVar(&config.Registry.Location, "registry", "http://localhost:8500", "Registry location") flag.StringVar(&config.Registry.Token, "registry-token", "", "Registry ACL token") flag.BoolVar(&config.Registry.NoVerifySSL, "registry-noverify", false, "don't verify registry SSL certificates") flag.StringVar(&config.Registry.Prefix, "registry-prefix", "marathon", "prefix for all values sent to the registry") // Web flag.StringVar(&config.Web.Listen, "listen", ":4000", "accept connections at this address") // Marathon flag.StringVar(&config.Marathon.Location, "marathon-location", "localhost:8080", "marathon URL") flag.StringVar(&config.Marathon.Protocol, "marathon-protocol", "http", "marathon protocol (http or https)") flag.StringVar(&config.Marathon.Username, "marathon-username", "", "marathon username for basic auth") flag.StringVar(&config.Marathon.Password, "marathon-password", "", "marathon password for basic auth") // General flag.StringVar(&config.LogLevel, "log-level", "info", "log level: panic, fatal, error, warn, info, or debug") flag.Parse() }
func main() { output := "" mimetype := "" filetype := "" match := "" siteurl := "" htmlMinifier := &html.Minifier{} xmlMinifier := &xml.Minifier{} flag.Usage = func() { fmt.Fprintf(os.Stderr, "Usage: %s [options] [input]\n\nOptions:\n", os.Args[0]) flag.PrintDefaults() fmt.Fprintf(os.Stderr, "\nInput:\n Files or directories, leave blank to use stdin\n") } flag.StringVarP(&output, "output", "o", "", "Output file or directory, leave blank to use stdout") flag.StringVar(&mimetype, "mime", "", "Mimetype (text/css, application/javascript, ...), optional for input filenames, has precendence over -type") flag.StringVar(&filetype, "type", "", "Filetype (css, html, js, ...), optional for input filenames") flag.StringVar(&match, "match", "", "Filename pattern matching using regular expressions, see https://github.com/google/re2/wiki/Syntax") flag.BoolVarP(&recursive, "recursive", "r", false, "Recursively minify directories") flag.BoolVarP(&hidden, "all", "a", false, "Minify all files, including hidden files and files in hidden directories") flag.BoolVarP(&list, "list", "l", false, "List all accepted filetypes") flag.BoolVarP(&verbose, "verbose", "v", false, "Verbose") flag.BoolVarP(&watch, "watch", "w", false, "Watch files and minify upon changes") flag.BoolVarP(&update, "update", "u", false, "Update binary") flag.StringVar(&siteurl, "url", "", "URL of file to enable URL minification") flag.BoolVar(&htmlMinifier.KeepDefaultAttrVals, "html-keep-default-attrvals", false, "Preserve default attribute values") flag.BoolVar(&htmlMinifier.KeepWhitespace, "html-keep-whitespace", false, "Preserve whitespace characters but still collapse multiple whitespace into one") flag.BoolVar(&xmlMinifier.KeepWhitespace, "xml-keep-whitespace", false, "Preserve whitespace characters but still collapse multiple whitespace into one") flag.Parse() rawInputs := flag.Args() Error = log.New(os.Stderr, "ERROR: ", 0) if verbose { Info = log.New(os.Stderr, "INFO: ", 0) } else { Info = log.New(ioutil.Discard, "INFO: ", 0) } if update { if err := equinoxUpdate(); err != nil { Error.Fatalln(err) } return } if list { var keys []string for k := range filetypeMime { keys = append(keys, k) } sort.Strings(keys) for _, k := range keys { fmt.Println(k + "\t" + filetypeMime[k]) } return } usePipe := len(rawInputs) == 0 mimetype = getMimetype(mimetype, filetype, usePipe) var err error if match != "" { pattern, err = regexp.Compile(match) if err != nil { Error.Fatalln(err) } } tasks, dirDst, ok := expandInputs(rawInputs) if !ok { os.Exit(1) } if output != "" { output = sanitizePath(output) if dirDst { if output[len(output)-1] != '/' { output += "/" } if err := os.MkdirAll(output, 0777); err != nil { Error.Fatalln(err) } } } if ok = expandOutputs(output, usePipe, &tasks); !ok { os.Exit(1) } m = min.New() m.AddFunc("text/css", css.Minify) m.Add("text/html", htmlMinifier) m.AddFunc("text/javascript", js.Minify) m.AddFunc("image/svg+xml", svg.Minify) m.AddFuncRegexp(regexp.MustCompile("[/+]json$"), json.Minify) m.AddRegexp(regexp.MustCompile("[/+]xml$"), xmlMinifier) if m.URL, err = url.Parse(siteurl); err != nil { Error.Fatalln(err) } var watcher *RecursiveWatcher if watch { if usePipe || output == "" { Error.Fatalln("watch only works with files that do not overwrite themselves") } else if len(rawInputs) > 1 { Error.Fatalln("watch only works with one input directory") } input := sanitizePath(rawInputs[0]) info, err := os.Stat(input) if err != nil || !info.Mode().IsDir() { Error.Fatalln("watch only works with an input directory") } watcher, err = NewRecursiveWatcher(input, recursive) if err != nil { Error.Fatalln(err) } defer watcher.Close() } start := time.Now() var fails int32 if verbose { for _, t := range tasks { if ok := minify(mimetype, t); !ok { fails++ } } } else { var wg sync.WaitGroup for _, t := range tasks { wg.Add(1) go func(t task) { defer wg.Done() if ok := minify(mimetype, t); !ok { atomic.AddInt32(&fails, 1) } }(t) } wg.Wait() } if watch { c := make(chan os.Signal, 1) signal.Notify(c, os.Interrupt) input := sanitizePath(rawInputs[0]) files := watcher.Run() for files != nil { select { case <-c: watcher.Close() case file, ok := <-files: if !ok { files = nil break } file = sanitizePath(file) if strings.HasPrefix(file, input) { t := task{src: file, srcDir: input} if t.dst, err = getOutputFilename(output, t); err != nil { Error.Println(err) continue } if !verbose { fmt.Fprintln(os.Stderr, file, "changed") } if ok := minify(mimetype, t); !ok { fails++ } } } } } if verbose { Info.Println(time.Since(start), "total") } if fails > 0 { os.Exit(1) } }
func readConfig(parse bool) { var err error // Set defaults ConfigYAML.UDPServiceAddress = defaultUDPServiceAddress ConfigYAML.TCPServiceAddress = defaultTCPServiceAddress ConfigYAML.MaxUDPPacketSize = maxUDPPacket ConfigYAML.BackendType = defaultBackendType ConfigYAML.PostFlushCmd = "stdout" ConfigYAML.GraphiteAddress = defaultGraphiteAddress ConfigYAML.OpenTSDBAddress = defaultOpenTSDBAddress ConfigYAML.FlushInterval = flushInterval ConfigYAML.LogLevel = "error" ConfigYAML.ShowVersion = false ConfigYAML.DeleteGauges = true ConfigYAML.ResetCounters = true ConfigYAML.PersistCountKeys = 0 ConfigYAML.StatsPrefix = statsPrefixName ConfigYAML.StoreDb = dbPath ConfigYAML.Prefix = "" ConfigYAML.ExtraTags = "" ConfigYAML.PercentThreshold = Percentiles{} // Percentiles{{Float: 50.0, Str: "50"}, {Float: 80.0, Str: "80"}, {Float: 90.0, Str: "90"}, {Float: 95.0, Str: "95"}} ConfigYAML.PrintConfig = false ConfigYAML.LogName = "stdout" ConfigYAML.LogToSyslog = true ConfigYAML.SyslogUDPAddress = "localhost:514" Config = ConfigYAML os.Setenv("CONFIGOR_ENV_PREFIX", "SD") configFile = flag.String("config", "", "Configuration file name (warning not error if not exists). Standard: "+configPath) flag.StringVar(&Config.UDPServiceAddress, "udp-addr", ConfigYAML.UDPServiceAddress, "UDP listen service address") flag.StringVar(&Config.TCPServiceAddress, "tcp-addr", ConfigYAML.TCPServiceAddress, "TCP listen service address, if set") flag.Int64Var(&Config.MaxUDPPacketSize, "max-udp-packet-size", ConfigYAML.MaxUDPPacketSize, "Maximum UDP packet size") flag.StringVar(&Config.BackendType, "backend-type", ConfigYAML.BackendType, "MANDATORY: Backend to use: graphite, opentsdb, external, dummy") flag.StringVar(&Config.PostFlushCmd, "post-flush-cmd", ConfigYAML.PostFlushCmd, "Command to run on each flush") flag.StringVar(&Config.GraphiteAddress, "graphite", ConfigYAML.GraphiteAddress, "Graphite service address") flag.StringVar(&Config.OpenTSDBAddress, "opentsdb", ConfigYAML.OpenTSDBAddress, "OpenTSDB service address") flag.Int64Var(&Config.FlushInterval, "flush-interval", ConfigYAML.FlushInterval, "Flush interval (seconds)") flag.StringVar(&Config.LogLevel, "log-level", ConfigYAML.LogLevel, "Set log level (debug,info,warn,error,fatal)") flag.BoolVar(&Config.ShowVersion, "version", ConfigYAML.ShowVersion, "Print version string") flag.BoolVar(&Config.DeleteGauges, "delete-gauges", ConfigYAML.DeleteGauges, "Don't send values to graphite for inactive gauges, as opposed to sending the previous value") flag.BoolVar(&Config.ResetCounters, "reset-counters", ConfigYAML.ResetCounters, "Reset counters after sending value to backend (send rate) or send cumulated value (artificial counter - eg. for OpenTSDB & Grafana)") flag.Int64Var(&Config.PersistCountKeys, "persist-count-keys", ConfigYAML.PersistCountKeys, "Number of flush-intervals to persist count keys") flag.StringVar(&Config.StatsPrefix, "stats-prefix", ConfigYAML.StatsPrefix, "Name for internal application metrics (no prefix prepended)") flag.StringVar(&Config.StoreDb, "store-db", ConfigYAML.StoreDb, "Name of database for permanent counters storage (for conversion from rate to counter)") flag.StringVar(&Config.Prefix, "prefix", ConfigYAML.Prefix, "Prefix for all stats") flag.StringVar(&Config.ExtraTags, "extra-tags", ConfigYAML.ExtraTags, "Default tags added to all measures in format: tag1=value1 tag2=value2") flag.Var(&Config.PercentThreshold, "percent-threshold", "Percentile calculation for timers (0-100, may be given multiple times)") flag.BoolVar(&Config.PrintConfig, "print-config", ConfigYAML.PrintConfig, "Print config in YAML format") flag.StringVar(&Config.LogName, "log-name", ConfigYAML.LogName, "Name of file to log into. If \"stdout\" than logs to stdout.If empty logs go to /dev/null") flag.BoolVar(&Config.LogToSyslog, "log-to-syslopg", ConfigYAML.LogToSyslog, "Log to syslog") flag.StringVar(&Config.SyslogUDPAddress, "syslog-udp-address", ConfigYAML.SyslogUDPAddress, "Syslog address with port number eg. localhost:514. If empty log to unix socket") if parse { flag.Parse() } if len(*configFile) > 0 { if _, err = os.Stat(*configFile); os.IsNotExist(err) { fmt.Printf("# Warning: No config file: %s\n", *configFile) *configFile = "" } if len(*configFile) > 0 { err = configor.Load(&ConfigYAML, *configFile) if err != nil { fmt.Printf("Error loading config file: %s\n", err) } else { // set configs read form YAML file // save 2 flags tmpConfig := Config // Overwites flags Config = ConfigYAML // restore 2 flags Config.ShowVersion = tmpConfig.ShowVersion Config.PrintConfig = tmpConfig.PrintConfig } } // visitor := func(a *flag.Flag) { // fmt.Println(">", a.Name, "value=", a.Value) // switch a.Name { // case "print-config", "version": // break // case "udp-addr": // ConfigYAML.UDPServiceAddress = a.Value.(string) // default: // fmt.Printf("Internal Config Error - unknown variable: %s\n", a.Name) // os.Exit(1) // } // // } // flag.Visit(visitor) } // Normalize prefix Config.Prefix = normalizeDot(Config.Prefix, true) // Normalize internal metrics name Config.StatsPrefix = normalizeDot(Config.StatsPrefix, true) // calculate extraFlags hash Config.ExtraTagsHash, err = parseExtraTags(Config.ExtraTags) if err != nil { fmt.Printf("Extra Tags: \"%s\" - %s\n", Config.ExtraTags, err) os.Exit(1) } // Set InternalLogLevel Config.InternalLogLevel, err = log.ParseLevel(Config.LogLevel) if err != nil { fmt.Printf("Invalid log level: \"%s\"\n", Config.LogLevel) os.Exit(1) } }
func main() { log.SetFlags(0) flag.StringVarP(&infile, "in", "i", "", "input file") flag.StringVarP(&outfile, "out", "o", "", "output file; defaults to '<input file>.go'") flag.StringVarP(&packageName, "package", "p", "", "package name for generated file; defaults to 'msgs' or 'srvs'") flag.BoolVar(&dryRun, "dry-run", false, "output the file that would be generated to stdout") flag.Parse() if flag.NArg() < 1 { log.Printf("must provide type of generator") flag.PrintDefaults() os.Exit(1) } templateType := flag.Arg(0) if packageName == "" { packageName = templateType + "s" } basename := fmt.Sprintf("%s.tmpl", templateType) data, err := Asset(basename) if err != nil { log.Printf("unrecognized generator template: %s (%s)", templateType, err) flag.PrintDefaults() os.Exit(1) } tmpl := template.New(basename) tmpl = tmpl.Funcs(map[string]interface{}{ // HACK(ppg): Allow setting a loop variable a struct so we can use it "setloopvar": func(setter loopVarSetter, value interface{}) interface{} { setter.SetLoopVar(value) return setter }, }) tmpl, err = tmpl.Parse(string(data)) if err != nil { log.Printf("unable to template %s: %s", templateType, err) os.Exit(1) } data, err = Asset("msg.partial.tmpl") if err != nil { log.Printf("unrecognized generator template: %s (%s)", templateType, err) flag.PrintDefaults() os.Exit(1) } tmpl2 := tmpl.New("msg.partial.tmpl") _, err = tmpl2.Parse(string(data)) if err != nil { log.Printf("unable to template %s: %s", templateType, err) os.Exit(1) } if flag.NArg() > 1 { log.Printf("unrecognized arguments: %v", flag.Args()[1:]) flag.PrintDefaults() os.Exit(1) } if infile == "" { log.Printf("must provide input file") flag.PrintDefaults() os.Exit(1) } if outfile == "" { outfile = infile + ".go" } // Read input file data, err = ioutil.ReadFile(infile) if err != nil { log.Fatalf("failed to read infile %s: %s", infile, err) } basename = filepath.Base(infile) fileInfo := FileInfo{ InFile: infile, InFileBase: filepath.Base(infile), Raw: string(data), MD5Sum: fmt.Sprintf("%x", md5.Sum(data)), PackageName: packageName, Name: strings.TrimSuffix(basename, filepath.Ext(basename)), } // Parse by type var spec interface{} switch templateType { case "msg": var msgSpec *MsgSpec msgSpec, err = parseMsgSpec(fileInfo.PackageName, fileInfo.Name, data) if err != nil { log.Fatalf("failed to parse %s spec: %s", templateType, err) } spec = msgSpec case "srv": var srvSpec *SrvSpec srvSpec, err = parseSrvSpec(fileInfo.PackageName, fileInfo.Name, data) if err != nil { log.Fatalf("failed to parse %s spec: %s", templateType, err) } spec = srvSpec default: log.Fatalf("no parser configured: %s", templateType) } buf := bytes.NewBuffer([]byte{}) err = tmpl.Execute(buf, map[string]interface{}{"FileInfo": fileInfo, "Spec": spec}) if err != nil { log.Fatalf("failed to generate Go file: %s", err) } fset := token.NewFileSet() ast, err := parser.ParseFile(fset, "", buf.Bytes(), parser.ParseComments) if err != nil { log.Fatalf("bad Go source code was generated: %s\n%s", err, buf.String()) } buf.Reset() err = (&printer.Config{Mode: printer.TabIndent | printer.UseSpaces, Tabwidth: 8}).Fprint(buf, fset, ast) if err != nil { log.Fatalf("generated Go source code could not be reformatted: %s", err) } if dryRun { fmt.Println(buf.String()) return } err = ioutil.WriteFile(outfile, buf.Bytes(), 0644) if err != nil { log.Fatalf("failed to write go file: %s", err) } log.Printf("Wrote %s from %s", outfile, infile) }
func main() { output := "" mimetype := "" filetype := "" match := "" siteurl := "" htmlMinifier := &html.Minifier{} flag.Usage = func() { fmt.Fprintf(os.Stderr, "Usage: %s [options] [input]\n\nOptions:\n", os.Args[0]) flag.PrintDefaults() fmt.Fprintf(os.Stderr, "\nInput:\n Files or directories, optional when using piping\n") } flag.StringVarP(&output, "output", "o", "", "Output (concatenated) file (stdout when empty) or directory") flag.StringVar(&mimetype, "mime", "", "Mimetype (text/css, application/javascript, ...), optional for input filenames, has precendence over -type") flag.StringVar(&filetype, "type", "", "Filetype (css, html, js, ...), optional for input filenames") flag.StringVar(&match, "match", "", "Filename pattern matching using regular expressions, see https://github.com/google/re2/wiki/Syntax") flag.BoolVarP(&recursive, "recursive", "r", false, "Recursively minify directories") flag.BoolVarP(&hidden, "all", "a", false, "Minify all files, including hidden files and files in hidden directories") flag.BoolVarP(&list, "list", "l", false, "List all accepted filetypes") flag.BoolVarP(&verbose, "verbose", "v", false, "Verbose") flag.StringVar(&siteurl, "url", "", "URL of file to enable URL minification") flag.BoolVar(&htmlMinifier.KeepDefaultAttrVals, "html-keep-default-attrvals", false, "Preserve default attribute values") flag.BoolVar(&htmlMinifier.KeepWhitespace, "html-keep-whitespace", false, "Preserve whitespace characters but still collapse multiple whitespace into one") flag.Parse() rawInputs := flag.Args() if list { var keys []string for k := range filetypeMime { keys = append(keys, k) } sort.Strings(keys) for _, k := range keys { fmt.Println(k + "\t" + filetypeMime[k]) } return } usePipe := len(rawInputs) == 0 mimetype = getMimetype(mimetype, filetype, usePipe) if match != "" { var err error pattern, err = regexp.Compile(match) if err != nil { fmt.Fprintln(os.Stderr, "ERROR: "+err.Error()) os.Exit(1) } } tasks, dirDst, ok := expandInputs(rawInputs) if !ok { os.Exit(1) } if ok = expandOutputs(output, dirDst, usePipe, &tasks); !ok { os.Exit(1) } m = min.New() m.AddFunc("text/css", css.Minify) m.Add("text/html", htmlMinifier) m.AddFunc("text/javascript", js.Minify) m.AddFunc("image/svg+xml", svg.Minify) m.AddFuncRegexp(regexp.MustCompile("[/+]json$"), json.Minify) m.AddFuncRegexp(regexp.MustCompile("[/+]xml$"), xml.Minify) var err error if m.URL, err = url.Parse(siteurl); err != nil { fmt.Fprintln(os.Stderr, "ERROR: "+err.Error()) os.Exit(1) } var fails int32 if verbose { for _, t := range tasks { if ok := minify(mimetype, t); !ok { fails++ } } } else { var wg sync.WaitGroup for _, t := range tasks { wg.Add(1) go func(t task) { defer wg.Done() if ok := minify(mimetype, t); !ok { atomic.AddInt32(&fails, 1) } }(t) } wg.Wait() } if fails > 0 { os.Exit(1) } }
func init() { pflag.BoolVar(&helpFlag, "help", false, "Show help.") pflag.BoolVar(&versionFlag, "version", false, "Shows the current version of Reservoir.") pflag.BoolVar(&verboseFlag, "verbose", false, "Be very verbose.") pflag.StringVar(&workerDirFlag, "workers", CONFIG_WORKER_DIR, "Use directory for worker configuration files.") }
func init() { flag.BoolVar(&generateTestFiles, "generate", false, "Indicates that test files should be generated.") }