Exemplo n.º 1
0
func (mb MarathonBackend) UpdateDeployment(req *backend.UpdateRequest) (string, error) {
	glog.Infof("Updating a previously deployed application")
	app := marathon.NewDockerApplication()
	id := req.Name
	ports := req.Ports
	cpu := float64(req.CPULimit)
	storage := 0.0
	memory := float64(req.MemoryLimit)
	labels := req.Labels
	imageurl := req.ImageURL
	env := req.Env
	replicas := req.Replicas

	app.Name(id)
	app.Uris = strings.Fields(DOCKERCFG)
	app.CPU(cpu)
	app.Memory(memory)
	app.Storage(storage)
	app.Count(replicas)
	app.Env = env
	portmappings := make([]*marathon.PortMapping, 0, len(ports))
	for _, port := range ports {
		portmappings = append(portmappings, &marathon.PortMapping{ContainerPort: port, HostPort: 0, Protocol: "tcp"}) //TODO: change to protocol params, we probably want to have UDP too.
	}

	app.Container.Docker.PortMappings = portmappings
	app.Labels = labels

	app.Container.Docker.Container(imageurl).ForcePullImage = true

	appID, err := mb.Client.UpdateApplication(app)
	return appID.DeploymentID, err
}
Exemplo n.º 2
0
// Deploy deploys a new application
// takes CreateRequest from backend as argument
func (mb *MarathonBackend) Deploy(cr *CreateRequest) (string, error) {
	glog.Infof("Deploying a new application with name %s", cr.Name)
	app := marathon.NewDockerApplication()
	id := cr.Name
	ports := cr.Ports
	cpu := float64(cr.CPULimit)
	storage := 0.0 //TODO: setup limit for storage
	memory := float64(cr.MemoryLimit)
	labels := cr.Labels
	imageurl := cr.ImageURL
	env := cr.Env
	replicas := cr.Replicas

	app.Name(id)
	uris := strings.Fields(DOCKERCFG)
	app.Uris = &uris
	app.CPU(cpu).Memory(memory).Storage(storage).Count(replicas)
	app.Env = &env
	portmappings := make([]marathon.PortMapping, 0, len(ports))
	for _, port := range ports {
		portmappings = append(portmappings, marathon.PortMapping{ContainerPort: port, HostPort: 0, Protocol: "tcp"}) //TODO: change to protocol params, we probably want to have UDP too.
	}

	app.Container.Docker.PortMappings = &portmappings
	//fluentd implementation
	if conf.New().FluentdEnabled {
		app.Container.Docker.AddParameter("log-driver", "fluentd")
		app.Container.Docker.AddParameter("log-opt", "\"fluentd-address=localhost:24224\"")
		if DOCKERVERSION == "1.9" {
			//this is unsupported if docker < 1.9
			app.Container.Docker.AddParameter("log-opt", "\"tag={{.ImageName}}/{{.Name}}\"")
		} else {
			app.Container.Docker.AddParameter("log-opt", "\"fluentd-tag={{.Name}}\"")
		}

	}
	app.Labels = &labels
	forcepull := true
	app.Container.Docker.Container(imageurl).ForcePullImage = &forcepull
	volumes := make([]marathon.Volume, 0, len(cr.Volumes))
	for _, volume := range cr.Volumes {
		volumes = append(volumes, marathon.Volume{ContainerPath: volume.ContainerPath, HostPath: volume.HostPath, Mode: volume.Mode})
	}

	app.Container.Volumes = &volumes

	//TODO must implement configurable health checks
	application, err := mb.Client.CreateApplication(app)
	glog.Info(application) //TODO do we want to get some more information? Container IDs? I guess they can be not stable
	if err != nil {
		glog.Errorf("Could not create application %s, error %s", app.ID, err)
		return "", err
	}
	glog.Infof("Application was created, %s", app.ID)
	return app.ID, nil

}
Exemplo n.º 3
0
// Deploy deploys a new application
// takes CreateRequest from backend as argument
func (mb MarathonBackend) Deploy(cr *backend.CreateRequest) (string, error) {
	glog.Infof("Deploying a new application with name %s", cr.Name)
	app := marathon.NewDockerApplication()
	id := cr.Name
	ports := cr.Ports
	cpu := float64(cr.CPULimit)
	storage := 0.0 //TODO: setup limit for storage
	memory := float64(cr.MemoryLimit)
	labels := cr.Labels
	imageurl := cr.ImageURL
	env := cr.Env
	replicas := cr.Replicas

	app.Name(id)
	app.Uris = strings.Fields(DOCKERCFG)
	app.CPU(cpu).Memory(memory).Storage(storage).Count(replicas)
	app.Env = env
	portmappings := make([]*marathon.PortMapping, 0, len(ports))
	for _, port := range ports {
		portmappings = append(portmappings, &marathon.PortMapping{ContainerPort: port, HostPort: 0, Protocol: "tcp"}) //TODO: change to protocol params, we probably want to have UDP too.
	}

	app.Container.Docker.PortMappings = portmappings
	//fluentd implementation
	if conf.New().FluentdEnabled {
		app.Container.Docker.Parameter("log-driver", "fluentd")
		app.Container.Docker.Parameter("log-opt", "\"fluentd-address=localhost:24224\"")
		app.Container.Docker.Parameter("log-opt", "\"fluentd-tag={{.Name}}\"")
	}
	app.Labels = labels

	app.Container.Docker.Container(imageurl).ForcePullImage = true

	//forcing basic health checks by default.
	//TODO  must be configurable later.
	checks := make([]*marathon.HealthCheck, 0, 2)
	httpHealth := marathon.HealthCheck{Protocol: "HTTP", Path: "/health", GracePeriodSeconds: 3, IntervalSeconds: 10, MaxConsecutiveFailures: 10}
	cmdHealth := marathon.HealthCheck{Protocol: "COMMAND", Command: &marathon.Command{Value: "curl -f -X GET  http://$HOST:$PORT0/health"}, MaxConsecutiveFailures: 10}
	checks = append(checks, &httpHealth)
	checks = append(checks, &cmdHealth)
	//app.HealthChecks = checks //FIXME health check has been removed because they were constantly killing the instances.
	application, err := mb.Client.CreateApplication(app)
	glog.Info(application) //TODO do we want to get some more information? Container IDs? I guess they can be not stable
	if err != nil {
		glog.Errorf("Could not create application %s, error %s", app.ID, err)
		return "", err
	}
	glog.Infof("Application was created, %s", app.ID)
	return app.ID, nil

}
func main() {
	flag.Parse()
	config := marathon.NewDefaultConfig()
	config.URL = marathonURL
	client, err := marathon.NewClient(config)
	if err != nil {
		log.Fatalf("Failed to create a client for marathon, error: %s", err)
	}

	log.Printf("Retrieving a list of groups")
	if groups, err := client.Groups(); err != nil {
		log.Fatalf("Failed to retrieve the groups from maratho, error: %s", err)
	} else {
		for _, group := range groups.Groups {
			log.Printf("Found group: %s", group.ID)
		}
	}

	groupName := "/product/group"

	found, err := client.HasGroup(groupName)
	assert(err)
	if found {
		log.Printf("Deleting the group: %s, as it already exists", groupName)
		id, err := client.DeleteGroup(groupName)
		assert(err)
		err = client.WaitOnDeployment(id.DeploymentID, 0)
		assert(err)
	}

	/* step: the frontend app */
	frontend := marathon.NewDockerApplication()
	frontend.Name("/product/group/frontend")
	frontend.CPU(0.1).Memory(64).Storage(0.0).Count(2)
	frontend.Arg("/usr/sbin/apache2ctl").Arg("-D").Arg("FOREGROUND")
	frontend.AddEnv("NAME", "frontend_http")
	frontend.AddEnv("SERVICE_80_NAME", "frontend_http")
	frontend.AddEnv("SERVICE_443_NAME", "frontend_https")
	frontend.AddEnv("BACKEND_MYSQL", "/product/group/mysql/3306;3306")
	frontend.AddEnv("BACKEND_CACHE", "/product/group/cache/6379;6379")
	frontend.DependsOn("/product/group/cache")
	frontend.DependsOn("/product/group/mysql")
	frontend.Container.Docker.Container("quay.io/gambol99/apache-php:latest").Expose(80).Expose(443)
	_, err = frontend.CheckHTTP("/hostname.php", 80, 10)
	assert(err)

	mysql := marathon.NewDockerApplication()
	mysql.Name("/product/group/mysql")
	mysql.CPU(0.1).Memory(128).Storage(0.0).Count(1)
	mysql.AddEnv("NAME", "group_cache")
	mysql.AddEnv("SERVICE_3306_NAME", "mysql")
	mysql.AddEnv("MYSQL_PASS", "mysql")
	mysql.Container.Docker.Container("tutum/mysql").Expose(3306)
	_, err = mysql.CheckTCP(3306, 10)
	assert(err)

	redis := marathon.NewDockerApplication()
	redis.Name("/product/group/cache")
	redis.CPU(0.1).Memory(64).Storage(0.0).Count(2)
	redis.AddEnv("NAME", "group_cache")
	redis.AddEnv("SERVICE_6379_NAME", "redis")
	redis.Container.Docker.Container("redis:latest").Expose(6379)
	_, err = redis.CheckTCP(6379, 10)
	assert(err)

	group := marathon.NewApplicationGroup(groupName)
	group.App(frontend).App(redis).App(mysql)

	assert(client.CreateGroup(group))
	log.Printf("Successfully created the group: %s", group.ID)

	log.Printf("Updating the group paramaters")
	frontend.Count(4)

	id, err := client.UpdateGroup(groupName, group)
	assert(err)
	log.Printf("Successfully updated the group: %s, version: %s", group.ID, id.DeploymentID)
	assert(client.WaitOnGroup(groupName, 500*time.Second))
}
Exemplo n.º 5
0
func main() {
	flag.Parse()
	config := marathon.NewDefaultConfig()
	config.URL = marathon_url
	config.LogOutput = os.Stdout
	client, err := marathon.NewClient(config)
	Assert(err)
	applications, err := client.Applications(nil)
	Assert(err)

	glog.Infof("Found %d application running", len(applications.Apps))
	for _, application := range applications.Apps {
		glog.Infof("Application: %s", application)
		details, err := client.Application(application.ID)
		Assert(err)
		if details.Tasks != nil && len(details.Tasks) > 0 {
			for _, task := range details.Tasks {
				glog.Infof("task: %s", task)
			}
			health, err := client.ApplicationOK(details.ID)
			Assert(err)
			glog.Infof("Application: %s, healthy: %t", details.ID, health)
		}
	}

	APPLICATION_NAME := "/my/product"

	if found, _ := client.HasApplication(APPLICATION_NAME); found {
		deployId, err := client.DeleteApplication(APPLICATION_NAME)
		Assert(err)
		waitOnDeployment(client, deployId)
	}

	glog.Infof("Deploying a new application")
	application := marathon.NewDockerApplication()
	application.Name(APPLICATION_NAME)
	application.CPU(0.1).Memory(64).Storage(0.0).Count(2)
	application.Arg("/usr/sbin/apache2ctl").Arg("-D").Arg("FOREGROUND")
	application.AddEnv("NAME", "frontend_http")
	application.AddEnv("SERVICE_80_NAME", "test_http")
	application.RequirePorts = true
	application.Container.Docker.Container("quay.io/gambol99/apache-php:latest").Expose(80).Expose(443)
	_, err = client.CreateApplication(application)
	Assert(err)

	glog.Infof("Scaling the application to 4 instances")
	deployId, err := client.ScaleApplicationInstances(application.ID, 4, false)
	Assert(err)
	client.WaitOnApplication(application.ID, 30*time.Second)
	glog.Infof("Successfully scaled the application, deployId: %s", deployId.DeploymentID)

	glog.Infof("Deleting the application: %s", APPLICATION_NAME)
	deployId, err = client.DeleteApplication(application.ID)
	Assert(err)
	time.Sleep(time.Duration(10) * time.Second)
	glog.Infof("Successfully deleted the application")

	glog.Infof("Starting the application again")
	_, err = client.CreateApplication(application)
	Assert(err)
	glog.Infof("Created the application: %s", application.ID)

	glog.Infof("Delete all the tasks")
	_, err = client.KillApplicationTasks(application.ID, "", false)
	Assert(err)
}
func main() {
	flag.Parse()
	config := marathon.NewDefaultConfig()
	config.URL = marathonURL
	client, err := marathon.NewClient(config)
	assert(err)
	applications, err := client.Applications(nil)
	assert(err)

	log.Printf("Found %d application running", len(applications.Apps))
	for _, application := range applications.Apps {
		log.Printf("Application: %v", application)
		details, err := client.Application(application.ID)
		assert(err)
		if details.Tasks != nil && len(details.Tasks) > 0 {
			for _, task := range details.Tasks {
				log.Printf("task: %v", task)
			}
			health, err := client.ApplicationOK(details.ID)
			assert(err)
			log.Printf("Application: %s, healthy: %t", details.ID, health)
		}
	}

	applicationName := "/my/product"

	if _, err := client.Application(applicationName); err == nil {
		deployID, err := client.DeleteApplication(applicationName, false)
		assert(err)
		waitOnDeployment(client, deployID)
	}

	log.Printf("Deploying a new application")
	application := marathon.NewDockerApplication().
		Name(applicationName).
		CPU(0.1).
		Memory(64).
		Storage(0.0).
		Count(2).
		AddArgs("/usr/sbin/apache2ctl", "-D", "FOREGROUND").
		AddEnv("NAME", "frontend_http").
		AddEnv("SERVICE_80_NAME", "test_http")

	application.
		Container.Docker.Container("quay.io/gambol99/apache-php:latest").
		Bridged().
		Expose(80).
		Expose(443)

	*application.RequirePorts = true
	_, err = client.CreateApplication(application)
	assert(err)
	client.WaitOnApplication(application.ID, 30*time.Second)

	log.Printf("Scaling the application to 4 instances")
	deployID, err := client.ScaleApplicationInstances(application.ID, 4, false)
	assert(err)
	client.WaitOnApplication(application.ID, 30*time.Second)
	log.Printf("Successfully scaled the application, deployID: %s", deployID.DeploymentID)

	log.Printf("Deleting the application: %s", applicationName)
	deployID, err = client.DeleteApplication(application.ID, true)
	assert(err)
	waitOnDeployment(client, deployID)
	log.Printf("Successfully deleted the application")

	log.Printf("Starting the application again")
	_, err = client.CreateApplication(application)
	assert(err)
	log.Printf("Created the application: %s", application.ID)

	log.Printf("Delete all the tasks")
	_, err = client.KillApplicationTasks(application.ID, nil)
	assert(err)
}