Golang Manifest.String方法代码示例

func main() {
	manifestFile := kingpin.Flag("manifest", "Path to manifest.yml file.").Default("manifest.yml").String()
	plugin := kingpin.Arg("plugin", "Plugin name for run.").String()
	vars := *kingpin.Flag("var", "key=value pairs with manifest vars.").StringMap()
	dryRun := kingpin.Flag("dry-run", "Show manifest section only").Bool()
	noColor := kingpin.Flag("no-color", "Disable colored output").Bool()
	pluginData := kingpin.Flag("plugin-data", "Data for plugin").String()

	kingpin.Version(version)
	kingpin.Parse()

	var plugins []manifest.PluginData
	var err error
	var manifestData *manifest.Manifest

	color.NoColor = *noColor

	if *pluginData != "" {
		manifestData = manifest.LoadJSON(*pluginData)
	} else {
		manifestData = manifest.Load(*manifestFile, vars)
	}

	if *plugin == "" && *dryRun {
		fmt.Printf("%s\n%s\n%s\n",
			color.GreenString(">>> manifest:"),
			manifestData.String(),
			color.GreenString("<<< manifest: OK\n"))
		return
	}

	if *pluginData != "" {
		plugins = []manifest.PluginData{manifestData.GetPluginWithData(*plugin)}
	} else {
		plugins, err = manifestData.FindPlugins(*plugin)
	}

	if err != nil {
		log.Fatalln(color.RedString("Error find plugins for '%s': %v", *plugin, err))
	}

	for _, pair := range plugins {
		log.Printf("%s\n%s\n\n", color.GreenString(">>> %s:", pair.PluginName), color.CyanString("%s", pair.Data))

		if !*dryRun {
			if err := pair.Plugin.Run(pair.Data); err != nil {
				fmt.Println("")
				log.Fatalln(color.RedString("Error on run plugin `%s`: %v", pair.PluginName, err))
			} else {
				log.Println(color.GreenString("<<< %s: OK", pair.PluginName))
			}
		}
	}
}

func (p DeployDebian) Install(data manifest.Manifest) error {
	if err := utils.RunParallelSshCmd(
		data.GetString("cluster"),
		data.GetString("ssh-user"),
		fmt.Sprintf("sudo %s/debian-way/deploy.sh --package='%s' --version='%s'", data.GetString("ci-tools-path"), data.GetString("package"), data.GetString("version")),
		data.GetIntOr("parallel", 1),
	); err != nil {
		return err
	}

	return utils.RegisterPluginData("deploy.debian", data.GetString("app-name"), data.String(), data.GetString("consul-address"))
}

func (p DeployTarball) Install(data manifest.Manifest) error {
	tmp := "tarball-" + utils.RandomString(16)
	dest := data.GetString("install-root") + "/" + data.GetString("package-name")

	hooks := make([]string, 0)
	for _, hook := range data.GetArray("hooks") {
		if hook.Has("postinstall") {
			hooks = append(hooks, "sudo "+hook.GetString("postinstall"))
		}
	}

	hookCmd := strings.Join(hooks, " && ")
	if hookCmd != "" {
		hookCmd = " && " + hookCmd
	}

	/**
	 * todo: register package in consul services catalog
	 */
	if err := utils.RunParallelSshCmd(
		data.GetString("cluster"),
		data.GetString("ssh-user"),
		fmt.Sprint(
			"curl -vsSf -o /tmp/"+tmp+".tar.gz "+data.GetString("package-uri"),
			" && rm -rf /tmp/"+tmp+"/",
			" && mkdir -p /tmp/"+tmp+"/",
			" && tar xzf /tmp/"+tmp+".tar.gz -C /tmp/"+tmp+"/",
			" && sudo rm -rf "+dest,
			" && sudo mkdir -p "+dest,
			" && sudo mv /tmp/"+tmp+"/* "+dest+"/",
			" && sudo chown -R "+data.GetString("user")+":"+data.GetString("group")+" "+dest+"/",
			" && rm -rf /tmp/"+tmp+".tar.gz /tmp/"+tmp+"/",
			hookCmd,
		),
		50,
	); err != nil {
		return err
	}

	return utils.RegisterPluginData("deploy.tarball", data.GetString("package-name"), data.String(), data.GetString("consul-address"))
}

func (p DeployMarathon) Install(data manifest.Manifest) error {
	marathonApi, err := MarathonClient(data.GetString("marathon-address"))
	if err != nil {
		return err
	}

	fullName := data.GetString("app-name")

	bs, bf, bmax, grace := 5.0, 2.0, 120.0, 30.0
	app := &marathon.Application{
		BackoffSeconds:             &bs,
		BackoffFactor:              &bf,
		MaxLaunchDelaySeconds:      &bmax,
		TaskKillGracePeriodSeconds: &grace,
		UpgradeStrategy: &marathon.UpgradeStrategy{
			MinimumHealthCapacity: 0.5, // rolling update
			MaximumOverCapacity:   0.0,
		},
	}

	portArgs := ""
	if port := data.GetString("listen-port"); port != "" {
		portArgs = "--port " + port
	}

	app.Name(fullName)
	app.Command(fmt.Sprintf("exec serve-tools consul supervisor --service '%s' %s start %s", fullName, portArgs, data.GetString("cmd")))
	app.Count(data.GetInt("instances"))
	app.Memory(float64(data.GetInt("mem")))

	if cpu, err := strconv.ParseFloat(data.GetString("cpu"), 64); err == nil {
		app.CPU(cpu)
	}

	if cluster := data.GetString("cluster"); cluster != "" {
		cs := strings.SplitN(cluster, ":", 2)
		app.AddConstraint(cs[0], "CLUSTER", cs[1])
		app.AddLabel(cs[0], cs[1])
	}

	for _, cons := range data.GetArray("constraints") {
		if consArr, ok := cons.Unwrap().([]interface{}); ok {
			consStrings := make([]string, len(consArr))
			for i, c := range consArr {
				consStrings[i] = fmt.Sprintf("%s", c)
			}
			app.AddConstraint(consStrings...)
		}
	}

	for _, port := range data.GetArray("ports") {
		app.AddPortDefinition(marathon.PortDefinition{Name: port.GetStringOr("name", "")}.SetPort(port.GetIntOr("port", 0)))
	}

	app.AddEnv("SERVICE_DEPLOY_TIME", time.Now().Format(time.RFC3339)) // force redeploy app

	for k, v := range data.GetMap("environment") {
		app.AddEnv(k, fmt.Sprintf("%s", v.Unwrap()))
	}

	app.AddUris(data.GetString("package-uri"))

	// todo: в манифесте задавать массив healthchecks, их использовтаь в марафоне и консул-супервизоре
	// todo: открыть сетевой доступ от марафона до мезос-агентов, чтобы марафон мог хелсчеки посылать

	//if portArgs != "" {
	//	health := marathon.NewDefaultHealthCheck()
	//	health.Protocol = "TCP"
	//	health.IntervalSeconds = 5
	//	*health.PortIndex = 0
	//	app.AddHealthCheck(*health)
	//}

	if _, err := marathonApi.UpdateApplication(app, false); err != nil {
		color.Yellow("marathon <- %s", app)
		return err
	}

	color.Green("marathon <- %s", app)

	consulApi, err := utils.ConsulClient(data.GetString("consul-address"))
	if err != nil {
		return err
	}

	if err := utils.RegisterPluginData("deploy.marathon", data.GetString("app-name"), data.String(), data.GetString("consul-address")); err != nil {
		return err
	}

	return backoff.Retry(func() error {
		services, _, err := consulApi.Health().Service(fullName, "", true, nil)

		if err != nil {
			log.Println(color.RedString("Error in check health in consul: %v", err))
			return err
		}

		if len(services) == 0 {
			log.Printf("Service `%s` not started yet! Retry...", fullName)
			return fmt.Errorf("Service `%s` not started!", fullName)
//.........这里部分代码省略.........

func (p ExternalPlugin) Run(data manifest.Manifest) error {
	return utils.RunCmdWithEnv(fmt.Sprintf("%s --plugin-data '%s'", p.Path, strings.Replace(data.String(), "\n", "", -1)), data.ToEnvMap("SERVE_"))
}