Example #1
0
func main() {
	getopt.ListVarLong(&configPaths, "config", 'c',
		"REQUIRED: Path to configuration file (can be used multiple times)", "PATH")
	getopt.BoolVarLong(&verbose, "verbose", 'v', "Verbose progress indicators and messages")
	help := getopt.BoolLong("help", 'h', "Show this help message and exit")
	getopt.SetParameters("")
	getopt.Parse()

	if *help {
		getopt.Usage()
		os.Exit(0)
	}

	if len(configPaths) == 0 {
		log.Printf("no configuration (-c/--config) found")
		getopt.Usage()
		os.Exit(1)
	}

	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)

	// set parallelism (automatic in Go 1.6+)
	if runtime.GOMAXPROCS(0) < runtime.NumCPU() {
		runtime.GOMAXPROCS(runtime.NumCPU())
		log.Printf("setting GOMAXPROCS = NumCPU = %d\n", runtime.NumCPU())
	}

	for _, configPath := range configPaths {

		cfg, err := config.NewConfiguration(configPath)
		if err != nil {
			log.Fatal(err)
			continue
		}

		idx, err := index.NewIndex(cfg)
		if err != nil {
			log.Print(err)
			return
		}

		if err := idx.Update(); err != nil {
			log.Print(err)
			return
		}

		if err := idx.WriteOut(); err != nil {
			log.Print(err)
			return
		}
	}
}
Example #2
0
func main() {
	getopt.SetParameters("<root dir> <bucket name>")
	getopt.Parse()
	if *help {
		getopt.PrintUsage(os.Stdout)
		return
	}

	args := getopt.Args()
	if len(args) != 2 {
		getopt.PrintUsage(os.Stderr)
		os.Exit(1)
	}

	rootDir := args[0]
	bucketName := args[1]

	resourcesMap := map[string]interface{}{}
	result := map[string]interface{}{
		"resource": map[string]interface{}{
			"aws_s3_bucket_object": resourcesMap,
		},
	}

	filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error reading %s: %s\n", path, err)
			// Skip stuff we can't read.
			return nil
		}

		relPath, err := filepath.Rel(rootDir, path)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Failed make %s relative: %s\n", path, err)
			return nil
		}

		path, err = filepath.EvalSymlinks(path)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Failed to resolve symlink %s: %s\n", path, err)
			return nil
		}

		if info.IsDir() {
			// Don't need to create directories since they are implied
			// by the files within.
			return nil
		}

		for _, pattern := range *exclude {
			var toMatch []string
			if strings.ContainsRune(pattern, filepath.Separator) {
				toMatch = append(toMatch, relPath)
			} else {
				// If the pattern does not include a path separator
				// then we apply it to all segments of the path
				// individually.
				toMatch = strings.Split(relPath, string(filepath.Separator))
			}

			for _, matchPath := range toMatch {
				matched, _ := filepath.Match(pattern, matchPath)
				if matched {
					return nil
				}
			}
		}

		// We use the initial bytes of the file to infer a MIME type
		file, err := os.Open(path)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error opening %s: %s\n", path, err)
			return nil
		}
		hasher := sha1.New()
		fileBytes := make([]byte, 1024*1024)
		contentType := ""
		_, err = file.Read(fileBytes)
		// If we got back and error and it isn't the end of file then
		// skip it.  This does "something" with 0 length files.  It is
		// likely we should really be categorizing those based on file
		// extension.
		if err != nil && err != io.EOF {
			fmt.Fprintf(os.Stderr, "Error reading %s: %s\n", path, err)
			return nil
		}
		if strings.HasSuffix(relPath, ".svg") {
			// If we start to need a set of overrides for DetectContentType
			// then we need to find a different way to do this.
			contentType = "image/svg+xml"
		} else {
			contentType = http.DetectContentType(fileBytes)
		}

		// Resource name is a hash of the path, so it should stay consistent
		// for a given file path as long as the relative path to the target
		// directory is always the same across runs.
		hasher.Write([]byte(relPath))
		resourceName := fmt.Sprintf("%x", hasher.Sum(nil))

		resourcesMap[resourceName] = map[string]interface{}{
			"bucket":       bucketName,
			"key":          relPath,
			"source":       path,
			"etag":         fmt.Sprintf("${md5(file(%q))}", path),
			"content_type": contentType,
		}

		return nil
	})

	encoder := json.NewEncoder(os.Stdout)
	encoder.Encode(result)
}
Example #3
0
func main() {
	// Uncomment the following lines if you need to time the options parsing
	//log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
	//log.Println(": Program started")

	// Configure Command Line Options
	var useUDP, quiet, debug bool
	var maxRTT time.Duration
	var numPing int
	getopt.BoolVarLong(&useUDP, "udp", 'u', "use UDP instead of ICMP")
	getopt.BoolVarLong(&quiet, "quiet", 'q', "only display host data")
	getopt.BoolVarLong(&debug, "debug", 'v', "print additional messages")
	maxRTT = defaultMaxRTT
	getopt.DurationVarLong(&maxRTT, "rtt", 't', "max RTT for each ping")
	numPing = defaultPingCount
	getopt.IntVarLong(&numPing, "count", 'n', "max number of pings per target")
	getopt.SetParameters("startIP endIP")
	getopt.Parse()

	// Verify arguments
	if getopt.NArgs() != 2 {
		log.Println("Incorrect number of arguments!")
		getopt.PrintUsage(os.Stderr)
		os.Exit(1)
	}
	startIPString := getopt.Arg(0)
	endIPString := getopt.Arg(1)

	// Test for incompatible options
	if quiet && debug {
		log.Println("`quiet` and `debug` are incompatible")
		getopt.PrintUsage(os.Stderr)
		os.Exit(1)
	}

	if debug {
		log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
		log.Println(": Command Line Parsing complete")
	}

	// Convert to IP object
	startIP := net.ParseIP(startIPString)
	if startIP == nil {
		log.Fatal("Start IP,", startIPString, ", is not a valid IP address")
	}
	if debug {
		log.Println(": Start IP\t", startIPString)
	}
	endIP := net.ParseIP(endIPString)
	if endIP == nil {
		log.Fatal("End IP,", endIPString, ", is not a valid IP address")
	}
	if debug {
		log.Println(": End IP  \t", endIPString)
	}

	netProto := "ip4:icmp"
	if strings.Index(startIPString, ":") != -1 {
		netProto = "ip6:ipv6-icmp"
	}

	p := fastping.NewPinger()
	p.MaxRTT = maxRTT
	p.OnRecv = func(addr *net.IPAddr, rtt time.Duration) {
		var device resultData
		device.PingResult = addr.String() + "\t" + roundDuration(baseRTT+rtt, time.Millisecond).String()
		ips = append(ips, device)
		p.RemoveIPAddr(addr)
	}

	currentIP := make(net.IP, len(startIP))
	for copy(currentIP, startIP); bytes.Compare(currentIP, endIP) <= 0; inc(currentIP) {
		ra, err := net.ResolveIPAddr(netProto, currentIP.String())
		if err != nil {
			log.Fatal(err)
		}
		p.AddIPAddr(ra)
	}

	if useUDP {
		p.Network("udp")
	}

	if debug {
		log.Println(": Start Scan")
	}

	for index := 0; index < numPing; index++ {
		baseRTT = time.Duration(index) * maxRTT
		err := p.Run()
		if err != nil {
			log.Fatal("Pinger returns error: ", err)
		}
	}

	if debug {
		log.Println(": Scan complete")
	}

	if !quiet {
		fmt.Println()
		fmt.Printf("%d devices found\n", len(ips))
		fmt.Println()
	}

	if debug {
		log.Println(": Start Host Lookup")
	}

	// Query DNS for the name of each device found by the ping scan
	var ipAndTime []string
	var hostname string
	var wg sync.WaitGroup
	for index, ip := range ips {
		ipAndTime = strings.SplitN(ip.PingResult, "\t", 2)
		wg.Add(1)
		go func(ipString string, localIndex int) {
			hosts, err := net.LookupAddr(ipString)
			if err != nil {
				hostname = "Error: " + err.Error()
			} else {
				hostname = strings.Join(hosts, ", ")
			}
			ips[localIndex].HostResult = hostname
			wg.Done()
		}(ipAndTime[0], index)
	}
	wg.Wait()

	if debug {
		log.Println(": DNS complete")
	}

	sort.Sort(byIP(ips))

	if debug {
		log.Println(": Sort complete")
	}

	for _, ip := range ips {
		fmt.Printf("%-25s\t--> %s\n", ip.PingResult, ip.HostResult)
	}

	if !quiet {
		fmt.Println()
	}

	if debug {
		log.Println(": Program complete")
	}
}
Example #4
0
func main() {
	getopt.SetParameters("<root dir> <bucket name>")
	getopt.Parse()
	if *help {
		getopt.PrintUsage(os.Stdout)
		return
	}

	args := getopt.Args()
	if len(args) != 2 {
		getopt.PrintUsage(os.Stderr)
		os.Exit(1)
	}

	rootDir := args[0]
	bucketName := args[1]

	resourcesMap := map[string]interface{}{}
	result := map[string]interface{}{
		"resource": map[string]interface{}{
			"aws_s3_bucket_object": resourcesMap,
		},
	}

	filepath.Walk(rootDir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error reading %s: %s\n", path, err)
			// Skip stuff we can't read.
			return nil
		}

		relPath, err := filepath.Rel(rootDir, path)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Failed make %s relative: %s\n", path, err)
			return nil
		}

		path, err = filepath.EvalSymlinks(path)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Failed to resolve symlink %s: %s\n", path, err)
			return nil
		}

		if info.IsDir() {
			// Don't need to create directories since they are implied
			// by the files within.
			return nil
		}

		for _, pattern := range *exclude {
			var toMatch []string
			if strings.ContainsRune(pattern, filepath.Separator) {
				toMatch = append(toMatch, relPath)
			} else {
				// If the pattern does not include a path separator
				// then we apply it to all segments of the path
				// individually.
				toMatch = strings.Split(relPath, string(filepath.Separator))
			}

			for _, matchPath := range toMatch {
				matched, _ := filepath.Match(pattern, matchPath)
				if matched {
					return nil
				}
			}
		}

		resourceNameBytes := sha1.Sum([]byte(relPath))
		resourceName := fmt.Sprintf("%x", resourceNameBytes)

		resourcesMap[resourceName] = map[string]interface{}{
			"bucket": bucketName,
			"key":    relPath,
			"source": path,
		}

		return nil
	})

	encoder := json.NewEncoder(os.Stdout)
	encoder.Encode(result)
}