func main() {
	defer common.LogPanic()
	common.Init()

	if logDirFlag := flag.Lookup("log_dir"); logDirFlag != nil {
		logDir = logDirFlag.Value.String()
	}

	if *dryRun {
		exec.SetRunForTesting(func(command *exec.Command) error {
			glog.Infof("dry_run: %s", exec.DebugString(command))
			return nil
		})
	}
	if *local {
		frontend.InitForTesting("http://localhost:8000/")
	} else {
		frontend.MustInit()
	}

	workerHealthTick := time.Tick(*workerHealthCheckInterval)
	pollTick := time.Tick(*pollInterval)
	// Run immediately, since pollTick will not fire until after pollInterval.
	pollAndExecOnce()
	for {
		select {
		case <-workerHealthTick:
			doWorkerHealthCheck()
		case <-pollTick:
			pollAndExecOnce()
		}
	}
}

func main() {
	defer common.LogPanic()
	common.Init()

	args := flag.Args()
	if len(args) != 3 {
		glog.Errorf("Expected arguments: branch target buildID")
		glog.Errorf("i.e.:  git_master-skia razor-userdebug 1772442")
		os.Exit(1)
	}

	// Set the arguments necessary to lookup the git hash.
	branch := args[0]
	target := args[1]
	buildID := args[2]
	glog.Infof("Branch, target, buildID: %s, %s, %s", branch, target, buildID)

	// Set up the oauth client.
	var client *http.Client
	var err error

	// In this case we don't want a backoff transport since the Apiary backend
	// seems to fail a lot, so we basically want to fall back to polling if a
	// call fails.
	transport := &http.Transport{
		Dial: util.DialTimeout,
	}

	if *local {
		// Use a local client secret file to load data.
		client, err = auth.InstalledAppClient(OAUTH_CACHE_FILEPATH, CLIENT_SECRET_FILEPATH,
			transport,
			androidbuildinternal.AndroidbuildInternalScope,
			storage.CloudPlatformScope)
		if err != nil {
			glog.Fatalf("Unable to create installed app oauth client:%s", err)
		}
	} else {
		// Use compute engine service account.
		client = auth.GCEServiceAccountClient(transport)
	}

	f, err := androidbuild.New("/tmp/android-gold-ingest", client)
	if err != nil {
		glog.Fatalf("Failed to construct client: %s", err)
	}
	for {
		r, err := f.Get(branch, target, buildID)
		if err != nil {
			glog.Errorf("Failed to get requested info: %s", err)
			time.Sleep(1 * time.Minute)
			continue
		}
		if r != nil {
			glog.Infof("Successfully found: %#v", *r)
		}

		time.Sleep(1 * time.Minute)
	}
}

func main() {
	defer common.LogPanic()
	common.Init()

	v, err := skiaversion.GetVersion()
	if err != nil {
		glog.Fatal(err)
	}
	glog.Infof("Version %s, built at %s", v.Commit, v.Date)

	if *nsqdAddress == "" {
		glog.Fatal("Missing address of nsqd server.")
	}

	globalEventBus, err := geventbus.NewNSQEventBus(*nsqdAddress)
	if err != nil {
		glog.Fatalf("Unable to connect to NSQ server: %s", err)
	}

	eventBus := eventbus.New(globalEventBus)

	// Send events every so often.
	for _ = range time.Tick(2 * time.Second) {
		evData := &event.GoogleStorageEventData{
			Bucket:  "test-bucket",
			Name:    "test-name",
			Updated: time.Now().String(),
		}
		eventBus.Publish(event.GLOBAL_GOOGLE_STORAGE, evData)
		glog.Infof("Sent Event: %#v ", evData)
	}
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("grandcentral", graphiteServer)
	v, err := skiaversion.GetVersion()
	if err != nil {
		glog.Fatal(err)
	}
	glog.Infof("Version %s, built at %s", v.Commit, v.Date)

	if *nsqdAddress == "" {
		glog.Fatal("Missing address of nsqd server.")
	}
	globalEventBus, err := geventbus.NewNSQEventBus(*nsqdAddress)
	if err != nil {
		glog.Fatalf("Unable to connect to NSQ server: %s", err)
	}
	eventBus = eventbus.New(globalEventBus)

	if *testing {
		*useMetadata = false
	}
	serverURL := "https://" + *host
	if *testing {
		serverURL = "http://" + *host + *port
	}
	runServer(serverURL)
}

func main() {
	defer common.LogPanic()
	common.Init()
	if flag.NArg() != 2 {
		log.Fatal("Usage: imagediff [--out filename] imagepath1.png imagepath2.png\n")
	}
	a, err := diff.OpenImage(flag.Arg(0))
	if err != nil {
		log.Fatal(err)
	}
	b, err := diff.OpenImage(flag.Arg(1))
	if err != nil {
		log.Fatal(err)
	}
	metrics, d := diff.Diff(a, b)
	fmt.Printf("Dimensions are different: %v\n", metrics.DimDiffer)
	fmt.Printf("Number of pixels different: %v\n", metrics.NumDiffPixels)
	fmt.Printf("Pixel diff percent: %v\n", metrics.PixelDiffPercent)
	if *out == "" {
		return
	} else {
		fmt.Println("Writing image diff.")
	}
	f, err := os.Create(*out)
	if err != nil {
		log.Fatal(err)
	}
	if err := png.Encode(f, d); err != nil {
		log.Fatal(err)
	}
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("push", graphiteServer)
	Init()

	redirectURL := fmt.Sprintf("http://localhost%s/oauth2callback/", *port)
	if !*local {
		redirectURL = "https://push.skia.org/oauth2callback/"
	}
	if err := login.InitFromMetadataOrJSON(redirectURL, login.DEFAULT_SCOPE, login.DEFAULT_DOMAIN_WHITELIST); err != nil {
		glog.Fatalf("Failed to initialize the login system: %s", err)
	}

	r := mux.NewRouter()
	r.PathPrefix("/res/").HandlerFunc(util.MakeResourceHandler(*resourcesDir))
	r.HandleFunc("/", mainHandler)
	r.HandleFunc("/_/change", changeHandler)
	r.HandleFunc("/_/state", stateHandler)
	r.HandleFunc("/_/status", statusHandler)
	r.HandleFunc("/loginstatus/", login.StatusHandler)
	r.HandleFunc("/logout/", login.LogoutHandler)
	r.HandleFunc("/oauth2callback/", login.OAuth2CallbackHandler)
	http.Handle("/", util.LoggingGzipRequestResponse(r))
	glog.Infoln("Ready to serve.")
	glog.Fatal(http.ListenAndServe(*port, nil))
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("push", graphiteServer)
	Init()

	// By default use a set of credentials setup for localhost access.
	var cookieSalt = "notverysecret"
	var clientID = "31977622648-1873k0c1e5edaka4adpv1ppvhr5id3qm.apps.googleusercontent.com"
	var clientSecret = "cw0IosPu4yjaG2KWmppj2guj"
	var redirectURL = fmt.Sprintf("http://localhost%s/oauth2callback/", *port)
	if !*local {
		cookieSalt = metadata.Must(metadata.ProjectGet(metadata.COOKIESALT))
		clientID = metadata.Must(metadata.ProjectGet(metadata.CLIENT_ID))
		clientSecret = metadata.Must(metadata.ProjectGet(metadata.CLIENT_SECRET))
		redirectURL = "https://push.skia.org/oauth2callback/"
	}
	login.Init(clientID, clientSecret, redirectURL, cookieSalt, login.DEFAULT_SCOPE, login.DEFAULT_DOMAIN_WHITELIST, *local)

	r := mux.NewRouter()
	r.PathPrefix("/res/").HandlerFunc(util.MakeResourceHandler(*resourcesDir))
	r.HandleFunc("/", mainHandler)
	r.HandleFunc("/_/change", changeHandler)
	r.HandleFunc("/_/state", stateHandler)
	r.HandleFunc("/_/status", statusHandler)
	r.HandleFunc("/loginstatus/", login.StatusHandler)
	r.HandleFunc("/logout/", login.LogoutHandler)
	r.HandleFunc("/oauth2callback/", login.OAuth2CallbackHandler)
	http.Handle("/", util.LoggingGzipRequestResponse(r))
	glog.Infoln("Ready to serve.")
	glog.Fatal(http.ListenAndServe(*port, nil))
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("skia-ingestion", graphiteServer)

	// Initialize oauth client and start the ingesters.
	client, err := auth.NewJWTServiceAccountClient("", *serviceAccountFile, nil, storage.CloudPlatformScope)
	if err != nil {
		glog.Fatalf("Failed to auth: %s", err)
	}

	// Start the ingesters.
	config, err := sharedconfig.ConfigFromTomlFile(*configFilename)
	if err != nil {
		glog.Fatalf("Unable to read config file %s. Got error: %s", *configFilename, err)
	}

	ingesters, err := ingestion.IngestersFromConfig(config, client)
	if err != nil {
		glog.Fatalf("Unable to instantiate ingesters: %s", err)
	}
	for _, oneIngester := range ingesters {
		oneIngester.Start()
	}

	// Run the ingesters forever.
	select {}
}

// Run the BugChomper server.
func main() {
	defer common.LogPanic()
	common.InitWithMetrics("bug_chomper", graphiteServer)

	v, err := skiaversion.GetVersion()
	if err != nil {
		glog.Fatal(err)
	}
	glog.Infof("Version %s, built at %s", v.Commit, v.Date)

	loadTemplates()

	if *testing {
		*useMetadata = false
	}
	serverURL := "https://" + *host
	if *testing {
		serverURL = "http://" + *host + *port
	}

	// By default use a set of credentials setup for localhost access.
	var cookieSalt = "notverysecret"
	var clientID = "31977622648-1873k0c1e5edaka4adpv1ppvhr5id3qm.apps.googleusercontent.com"
	var clientSecret = "cw0IosPu4yjaG2KWmppj2guj"
	var redirectURL = serverURL + "/oauth2callback/"
	if *useMetadata {
		cookieSalt = metadata.Must(metadata.ProjectGet(metadata.COOKIESALT))
		clientID = metadata.Must(metadata.ProjectGet(metadata.CLIENT_ID))
		clientSecret = metadata.Must(metadata.ProjectGet(metadata.CLIENT_SECRET))
	}
	login.Init(clientID, clientSecret, redirectURL, cookieSalt, strings.Join(issue_tracker.OAUTH_SCOPE, " "), login.DEFAULT_DOMAIN_WHITELIST, false)

	runServer(serverURL)
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("certpoller", graphiteServer)
	client := util.NewTimeoutClient()
	certs := []*cert{}
	// Populate certs based on cmd-line args.
	for _, metadata := range flag.Args() {
		c := &cert{
			metadata: metadata,
			file:     fileFromMetadata(metadata),
			etag:     "",
		}
		err := get(client, c)
		if err != nil {
			glog.Fatalf("Failed to retrieve the cert %s: %s", c, err)
		}
		certs = append(certs, c)
	}

	for _ = range time.Tick(30 * time.Minute) {
		for _, c := range certs {
			if err := get(client, c); err != nil {
				glog.Errorf("Failed to update cert %s: %s", c.metadata, err)
			}
		}
	}
}

func main() {
	defer common.LogPanic()
	master_common.InitWithMetrics("ct-poller", graphiteServer)

	if logDirFlag := flag.Lookup("log_dir"); logDirFlag != nil {
		logDir = logDirFlag.Value.String()
	}

	if *dryRun {
		exec.SetRunForTesting(func(command *exec.Command) error {
			glog.Infof("dry_run: %s", exec.DebugString(command))
			return nil
		})
	}

	statusTracker.(*heartbeatStatusTracker).StartMetrics()

	workerHealthTick := time.Tick(*workerHealthCheckInterval)
	pollTick := time.Tick(*pollInterval)
	// Run immediately, since pollTick will not fire until after pollInterval.
	pollAndExecOnce()
	for {
		select {
		case <-workerHealthTick:
			doWorkerHealthCheck()
		case <-pollTick:
			pollAndExecOnce()
		}
	}
}

func main() {
	defer common.LogPanic()
	common.Init()

	if *emailTokenPath == "" {
		glog.Error("Must specify --email_token_path")
		return
	}

	defer glog.Flush()

	for _, shiftType := range allShiftTypes {

		res, err := http.Get(shiftType.nextSheriffEndpoint)
		if err != nil {
			glog.Fatalf("Could not HTTP Get: %s", err)
		}
		defer util.Close(res.Body)

		var jsonType map[string]interface{}
		if err := json.NewDecoder(res.Body).Decode(&jsonType); err != nil {
			glog.Fatalf("Could not unmarshal JSON: %s", err)
		}
		sheriffEmail, _ := jsonType["username"].(string)
		if sheriffEmail == NO_SHERIFF {
			glog.Infof("Skipping emailing %s because %s was specified", shiftType.shiftName, NO_SHERIFF)
			continue
		}
		sheriffUsername := strings.Split(string(sheriffEmail), "@")[0]

		emailTemplateParsed := template.Must(template.New("sheriff_email").Parse(EMAIL_TEMPLATE))
		emailBytes := new(bytes.Buffer)
		if err := emailTemplateParsed.Execute(emailBytes, struct {
			SheriffName      string
			SheriffType      string
			SheriffSchedules string
			SheriffDoc       string
			ScheduleStart    string
			ScheduleEnd      string
		}{
			SheriffName:      sheriffUsername,
			SheriffType:      shiftType.shiftName,
			SheriffSchedules: shiftType.schedulesLink,
			SheriffDoc:       shiftType.documentationLink,
			ScheduleStart:    jsonType["schedule_start"].(string),
			ScheduleEnd:      jsonType["schedule_end"].(string),
		}); err != nil {
			glog.Errorf("Failed to execute template: %s", err)
			return
		}

		emailSubject := fmt.Sprintf("%s is the next %s", sheriffUsername, shiftType.shiftName)
		if err := sendEmail([]string{sheriffEmail, EXTRA_RECIPIENT}, emailSubject, emailBytes.String()); err != nil {
			glog.Fatalf("Error sending email to sheriff: %s", err)
		}
	}
}

func main() {
	defer common.LogPanic()
	// Setup flags.
	dbConf := buildbot.DBConfigFromFlags()

	// Global init.
	common.InitWithMetrics(APP_NAME, graphiteServer)

	// Parse the time period.
	period, err := human.ParseDuration(*timePeriod)
	if err != nil {
		glog.Fatal(err)
	}

	// Initialize the buildbot database.
	if !*local {
		if err := dbConf.GetPasswordFromMetadata(); err != nil {
			glog.Fatal(err)
		}
	}
	if err := dbConf.InitDB(); err != nil {
		glog.Fatal(err)
	}

	// Initialize the BuildBucket client.
	c, err := auth.NewClient(*local, path.Join(*workdir, "oauth_token_cache"), buildbucket.DEFAULT_SCOPES...)
	if err != nil {
		glog.Fatal(err)
	}
	bb := buildbucket.NewClient(c)

	// Build the queue.
	repos := gitinfo.NewRepoMap(*workdir)
	for _, r := range REPOS {
		if _, err := repos.Repo(r); err != nil {
			glog.Fatal(err)
		}
	}
	q, err := build_queue.NewBuildQueue(period, repos, *scoreThreshold, *scoreDecay24Hr, BOT_BLACKLIST)
	if err != nil {
		glog.Fatal(err)
	}

	// Start scheduling builds in a loop.
	liveness := metrics.NewLiveness(APP_NAME)
	if err := scheduleBuilds(q, bb); err != nil {
		glog.Errorf("Failed to schedule builds: %v", err)
	}
	for _ = range time.Tick(time.Minute) {
		liveness.Update()
		if err := scheduleBuilds(q, bb); err != nil {
			glog.Errorf("Failed to schedule builds: %v", err)
		}
	}
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("docserver", graphiteServer)
	Init()

	// Resources are served directly.
	http.HandleFunc("/res/", autogzip.HandleFunc(makeResourceHandler()))
	http.HandleFunc("/", autogzip.HandleFunc(mainHandler))

	glog.Infoln("Ready to serve.")
	glog.Fatal(http.ListenAndServe(*port, nil))
}

func main() {
	defer common.LogPanic()
	common.Init()
	out, err := util.SSH(*cmd, util.Slaves, *timeout)
	if err != nil {
		glog.Fatal(err)
	}
	if *printOutput {
		for k, v := range out {
			fmt.Printf("\n=====%s=====\n%s\n", k, v)
		}
	}
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("logserver", graphiteServer)

	if err := os.MkdirAll(*dir, 0777); err != nil {
		glog.Fatalf("Failed to create dir for log files: %s", err)
	}

	go dirWatcher(*dirWatchDuration, *dir)

	http.Handle("/file_server/", http.StripPrefix("/file_server/", FileServer(http.Dir(*dir))))
	http.HandleFunc("/", FileServerWrapperHandler)
	glog.Fatal(http.ListenAndServe(*port, nil))
}

func main() {
	defer common.LogPanic()
	// Calls flag.Parse()
	common.InitWithMetrics("fuzzer", graphiteServer)

	if err := writeFlagsToConfig(); err != nil {
		glog.Fatalf("Problem with configuration: %s", err)
	}

	Init()

	if err := setupOAuth(); err != nil {
		glog.Fatal(err)
	}

	go func() {
		if err := fcommon.DownloadSkiaVersionForFuzzing(storageClient, config.FrontEnd.SkiaRoot, &config.FrontEnd); err != nil {
			glog.Fatalf("Problem downloading Skia: %s", err)
		}

		fuzzSyncer = syncer.New(storageClient)
		fuzzSyncer.Start()

		cache, err := fuzzcache.New(config.FrontEnd.BoltDBPath)
		if err != nil {
			glog.Fatalf("Could not create fuzz report cache at %s: %s", config.FrontEnd.BoltDBPath, err)
		}
		defer util.Close(cache)

		if err := gsloader.LoadFromBoltDB(cache); err != nil {
			glog.Errorf("Could not load from boltdb.  Loading from source of truth anyway. %s", err)
		}
		var finder functionnamefinder.Finder
		if !*local {
			finder = functionnamefinder.NewAsync()
		}
		gsLoader := gsloader.New(storageClient, finder, cache)
		if err := gsLoader.LoadFreshFromGoogleStorage(); err != nil {
			glog.Fatalf("Error loading in data from GCS: %s", err)
		}
		fuzzSyncer.SetGSLoader(gsLoader)
		updater := frontend.NewVersionUpdater(gsLoader, fuzzSyncer)
		versionWatcher = fcommon.NewVersionWatcher(storageClient, config.FrontEnd.VersionCheckPeriod, updater.HandlePendingVersion, updater.HandleCurrentVersion)
		versionWatcher.Start()

		err = <-versionWatcher.Status
		glog.Fatal(err)
	}()
	runServer()
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("pulld", graphiteServer)
	Init()
	pullInit()

	r := mux.NewRouter()
	r.PathPrefix("/res/").HandlerFunc(util.MakeResourceHandler(*resourcesDir))
	r.HandleFunc("/", mainHandler).Methods("GET")
	r.HandleFunc("/_/list", listHandler).Methods("GET")
	r.HandleFunc("/_/change", changeHandler).Methods("POST")
	r.HandleFunc("/pullpullpull", pullHandler)
	http.Handle("/", util.LoggingGzipRequestResponse(r))
	glog.Infoln("Ready to serve.")
	glog.Fatal(http.ListenAndServe(*port, nil))
}

func main() {
	defer common.LogPanic()
	common.InitWithMetrics("probeserver", graphiteServer)

	client, err := auth.NewDefaultJWTServiceAccountClient("https://www.googleapis.com/auth/userinfo.email")
	if err != nil {
		glog.Fatalf("Failed to create client for talking to the issue tracker: %s", err)
	}
	go monitorIssueTracker(client)
	glog.Infoln("Looking for Graphite server.")
	addr, err := net.ResolveTCPAddr("tcp", *graphiteServer)
	if err != nil {
		glog.Fatalln("Failed to resolve the Graphite server: ", err)
	}
	glog.Infoln("Found Graphite server.")

	liveness := imetrics.NewLiveness("probes")

	// We have two sets of metrics, one for the probes and one for the probe
	// server itself. The server's metrics are handled by common.Init()
	probeRegistry := metrics.NewRegistry()
	go graphite.Graphite(probeRegistry, common.SAMPLE_PERIOD, *prefix, addr)

	// TODO(jcgregorio) Monitor config file and reload if it changes.
	cfg, err := readConfigFiles(*config)
	if err != nil {
		glog.Fatalln("Failed to read config file: ", err)
	}
	glog.Infoln("Successfully read config file.")
	// Register counters for each probe.
	for name, probe := range cfg {
		probe.failure = metrics.NewRegisteredGauge(name+".failure", probeRegistry)
		probe.latency = metrics.NewRegisteredGauge(name+".latency", probeRegistry)
	}

	// Create a client that uses our dialer with a timeout.
	c := &http.Client{
		Transport: &http.Transport{
			Dial: dialTimeout,
		},
	}
	probeOneRound(cfg, c)
	for _ = range time.Tick(*runEvery) {
		probeOneRound(cfg, c)
		liveness.Update()
	}
}

func main() {
	defer common.LogPanic()
	common.Init()
	frontend.MustInit()

	// Send start email.
	emailsArr := util.ParseEmails(*emails)
	emailsArr = append(emailsArr, util.CtAdmins...)
	if len(emailsArr) == 0 {
		glog.Error("At least one email address must be specified")
		return
	}
	skutil.LogErr(frontend.UpdateWebappTaskSetStarted(&admin_tasks.RecreateWebpageArchivesUpdateVars{}, *gaeTaskID))
	skutil.LogErr(util.SendTaskStartEmail(emailsArr, "Capture archives", util.GetMasterLogLink(*runID), ""))
	// Ensure webapp is updated and completion email is sent even if task fails.
	defer updateWebappTask()
	defer sendEmail(emailsArr)
	// Cleanup tmp files after the run.
	defer util.CleanTmpDir()
	// Finish with glog flush and how long the task took.
	defer util.TimeTrack(time.Now(), "Capture archives on Workers")
	defer glog.Flush()

	if *pagesetType == "" {
		glog.Error("Must specify --pageset_type")
		return
	}
	if *chromiumBuild == "" {
		glog.Error("Must specify --chromium_build")
		return
	}

	cmd := []string{
		fmt.Sprintf("cd %s;", util.CtTreeDir),
		"git pull;",
		"make all;",
		// The main command that runs capture_archives on all workers.
		fmt.Sprintf("DISPLAY=:0 capture_archives --worker_num=%s --log_dir=%s --log_id=%s --pageset_type=%s --chromium_build=%s;", util.WORKER_NUM_KEYWORD, util.GLogDir, *runID, *pagesetType, *chromiumBuild),
	}

	_, err := util.SSH(strings.Join(cmd, " "), util.Slaves, util.CAPTURE_ARCHIVES_TIMEOUT)
	if err != nil {
		glog.Errorf("Error while running cmd %s: %s", cmd, err)
		return
	}
	*taskCompletedSuccessfully = true
}