コード例 #1
0
ファイル: main.go プロジェクト: joshie/lochness
func main() {
	var port uint
	var etcdAddr, logLevel string

	flag.UintVarP(&port, "port", "p", 19000, "listen port")
	flag.StringVarP(&etcdAddr, "etcd", "e", defaultEtcdAddr, "address of etcd machine")
	flag.StringVarP(&logLevel, "log-level", "l", "warn", "log level")
	flag.Parse()

	if err := logx.DefaultSetup(logLevel); err != nil {
		log.WithFields(log.Fields{
			"error": err,
			"level": logLevel,
		}).Fatal("failed to set up logging")
	}

	etcdClient := etcd.NewClient([]string{etcdAddr})

	if !etcdClient.SyncCluster() {
		log.WithFields(log.Fields{
			"addr": etcdAddr,
		}).Fatal("unable to sync etcd cluster")
	}

	ctx := lochness.NewContext(etcdClient)

	_ = Run(port, ctx)
}
コード例 #2
0
ファイル: main.go プロジェクト: mistifyio/mistify-agent-ovs
func main() {
	// Handle cli flags
	var port uint
	var bridge, logLevel string
	flag.UintVarP(&port, "port", "p", 40001, "listen port")
	flag.StringVarP(&bridge, "bridge", "b", "mistify0", "bridge to join interfaces to with OVS")
	flag.StringVarP(&logLevel, "log-level", "l", "warning", "log level: debug/info/warning/error/fatal")
	flag.Parse()

	// Set up logging
	if err := logx.DefaultSetup(logLevel); err != nil {
		log.WithFields(log.Fields{
			"error": err,
			"func":  "logx.DefaultSetup",
		}).Fatal("Could not set up logging")
	}

	o, err := ovs.NewOVS(bridge)
	if err != nil {
		os.Exit(1)
	}
	// Run HTTP Server
	if err := o.RunHTTP(port); err != nil {
		os.Exit(1)
	}
}
コード例 #3
0
ファイル: main.go プロジェクト: joshie/lochness
func main() {
	var port uint
	var etcdAddr, bstalk, logLevel string

	// Command line flags
	flag.StringVarP(&bstalk, "beanstalk", "b", "127.0.0.1:11300", "address of beanstalkd server")
	flag.StringVarP(&logLevel, "log-level", "l", "warn", "log level")
	flag.StringVarP(&etcdAddr, "etcd", "e", "http://127.0.0.1:4001", "address of etcd server")
	flag.UintVarP(&port, "http", "p", 7544, "http port to publish metrics. set to 0 to disable")
	flag.Parse()

	// Set up logger
	if err := logx.DefaultSetup(logLevel); err != nil {
		log.WithFields(log.Fields{
			"error": err,
			"level": logLevel,
		}).Fatal("unable to to set up logrus")
	}

	etcdClient := etcd.NewClient([]string{etcdAddr})

	if !etcdClient.SyncCluster() {
		log.WithFields(log.Fields{
			"addr": etcdAddr,
		}).Fatal("unable to sync etcd cluster")
	}

	ctx := lochness.NewContext(etcdClient)

	log.WithField("address", bstalk).Info("connection to beanstalk")
	jobQueue, err := jobqueue.NewClient(bstalk, etcdClient)
	if err != nil {
		log.WithFields(log.Fields{
			"error":   err,
			"address": bstalk,
		}).Fatal("failed to create jobQueue client")
	}

	// Set up metrics
	m := setupMetrics(port)
	if m != nil {
	}

	agent := ctx.NewMistifyAgent()

	// Start consuming
	consume(jobQueue, agent, m)
}
コード例 #4
0
ファイル: config.go プロジェクト: polvi/boot2docker-cli
// Read configuration from both profile and flags. Flags override profile.
func config() error {
	var err error
	if B2D.Dir, err = getCfgDir(".boot2docker"); err != nil {
		return fmt.Errorf("failed to get current directory: %s", err)
	}

	filename := os.Getenv("BOOT2DOCKER_PROFILE")
	if filename == "" {
		filename = filepath.Join(B2D.Dir, "profile")
	}
	profile, err := getProfile(filename)
	if err != nil && !os.IsNotExist(err) { // undefined/empty profile works
		return err
	}

	if p := os.Getenv("VBOX_INSTALL_PATH"); p != "" && runtime.GOOS == "windows" {
		B2D.VBM = profile.Get("", "vbm", filepath.Join(p, "VBoxManage.exe"))
	} else {
		B2D.VBM = profile.Get("", "vbm", "VBoxManage")
	}

	B2D.SSH = profile.Get("", "ssh", "ssh")
	B2D.VM = profile.Get("", "vm", "boot2docker-vm")
	B2D.ISO = profile.Get("", "iso", filepath.Join(B2D.Dir, "boot2docker.iso"))

	if diskSize, err := strconv.ParseUint(profile.Get("", "disksize", "20000"), 10, 32); err != nil {
		return fmt.Errorf("invalid disk image size: %s", err)
	} else {
		B2D.DiskSize = uint(diskSize)
	}

	if memory, err := strconv.ParseUint(profile.Get("", "memory", "1024"), 10, 32); err != nil {
		return fmt.Errorf("invalid memory size: %s", err)
	} else {
		B2D.Memory = uint(memory)
	}

	if sshPort, err := strconv.ParseUint(profile.Get("", "sshport", "2022"), 10, 16); err != nil {
		return fmt.Errorf("invalid SSH port: %s", err)
	} else {
		B2D.SSHPort = uint16(sshPort)
	}

	if dockerPort, err := strconv.ParseUint(profile.Get("", "dockerport", "4243"), 10, 16); err != nil {
		return fmt.Errorf("invalid DockerPort: %s", err)
	} else {
		B2D.DockerPort = uint16(dockerPort)
	}

	// Host only networking settings
	B2D.HostIP = profile.Get("", "hostiP", "192.168.59.3")
	B2D.DHCPIP = profile.Get("", "dhcpip", "192.168.59.99")
	B2D.NetworkMask = profile.Get("", "netmask", "255.255.255.0")
	B2D.LowerIPAddress = profile.Get("", "lowerip", "192.168.59.103")
	B2D.UpperIPAddress = profile.Get("", "upperip", "192.168.59.254")
	B2D.DHCPEnabled = profile.Get("", "dhcp", "Yes")

	// Commandline flags override profile settings.
	flag.StringVar(&B2D.VBM, "vbm", B2D.VBM, "Path to VirtualBox management utility")
	flag.StringVar(&B2D.SSH, "ssh", B2D.SSH, "Path to SSH client utility")
	flag.StringVarP(&B2D.Dir, "dir", "d", B2D.Dir, "boot2docker config directory")
	flag.StringVar(&B2D.ISO, "iso", B2D.ISO, "Path to boot2docker ISO image")
	flag.UintVarP(&B2D.DiskSize, "disksize", "s", B2D.DiskSize, "boot2docker disk image size (in MB)")
	flag.UintVarP(&B2D.Memory, "memory", "m", B2D.Memory, "Virtual machine memory size (in MB)")
	flag.Var(newUint16Value(B2D.SSHPort, &B2D.SSHPort), "sshport", "Host SSH port (forward to port 22 in VM)")
	flag.Var(newUint16Value(B2D.DockerPort, &B2D.DockerPort), "dockerport", "Host Docker port (forward to port 4243 in VM)")
	flag.StringVar(&B2D.HostIP, "hostip", B2D.HostIP, "VirtualBox host-only network IP address")
	flag.StringVar(&B2D.NetworkMask, "netmask", B2D.NetworkMask, "VirtualBox host-only network mask")
	flag.StringVar(&B2D.DHCPEnabled, "dhcp", B2D.DHCPEnabled, "Enable VirtualBox host-only network DHCP")
	flag.StringVar(&B2D.DHCPIP, "dhcpip", B2D.DHCPIP, "VirtualBox host-only network DHCP server address")
	flag.StringVar(&B2D.LowerIPAddress, "lowerip", B2D.LowerIPAddress, "VirtualBox host-only network DHCP lower bound")
	flag.StringVar(&B2D.UpperIPAddress, "upperip", B2D.UpperIPAddress, "VirtualBox host-only network DHCP upper bound")

	flag.Parse()

	// Name of VM is the second argument.
	if vm := flag.Arg(1); vm != "" {
		B2D.VM = vm
	}
	return nil
}
コード例 #5
0
ファイル: main.go プロジェクト: joshie/lochness
func main() {
	var port uint
	var etcdAddr, bstalk, logLevel string

	flag.StringVarP(&bstalk, "beanstalk", "b", "127.0.0.1:11300", "address of beanstalkd server")
	flag.StringVarP(&logLevel, "log-level", "l", "warn", "log level")
	flag.StringVarP(&etcdAddr, "etcd", "e", "http://127.0.0.1:4001", "address of etcd server")
	flag.UintVarP(&port, "http", "p", 7543, "address for http interface. set to 0 to disable")
	flag.Parse()

	// Set up logger
	if err := logx.DefaultSetup(logLevel); err != nil {
		log.WithFields(log.Fields{
			"error": err,
			"level": logLevel,
		}).Fatal("failed to set up logging")
	}

	etcdClient := etcd.NewClient([]string{etcdAddr})

	if !etcdClient.SyncCluster() {
		log.WithFields(log.Fields{
			"addr": etcdAddr,
		}).Fatal("unable to sync etcd cluster")
	}

	log.WithField("address", bstalk).Info("connection to beanstalk")
	jobQueue, err := jobqueue.NewClient(bstalk, etcdClient)
	if err != nil {
		log.WithFields(log.Fields{
			"error":   err,
			"address": bstalk,
		}).Fatal("failed to create jobQueue client")
	}

	// setup metrics
	ms := mapsink.New()
	conf := metrics.DefaultConfig("cplacerd")
	conf.EnableHostname = false
	m, _ := metrics.New(conf, ms)

	if port != 0 {

		http.Handle("/metrics", http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
			w.WriteHeader(http.StatusOK)
			w.Header().Set("Content-Type", "application/json")
			if err := json.NewEncoder(w).Encode(ms); err != nil {
				log.WithField("error", err).Error(err)
			}
		}))

		go func() {
			if err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil); err != nil {
				log.WithFields(log.Fields{
					"error": err,
				}).Fatal("error serving")
			}
		}()

	}

	// XXX: we want to try to keep track of where a job is
	// in this pipeline? would have to persist in the job
	funcs := []TaskFunc{
		TaskFunc{
			name:     "check job status",
			function: checkJobStatus,
		},
		TaskFunc{
			name:     "check guest status",
			function: checkGuestStatus,
		},
		TaskFunc{
			name:     "select hypervisor candidate",
			function: selectHypervisor,
		},
		TaskFunc{
			name:     "update job action",
			function: changeJobAction,
		},
		TaskFunc{
			name:     "add task to worker",
			function: addJobToWorker,
		},
		TaskFunc{
			name:     "make task for deletion",
			function: deleteTask,
		},
	}

	for _, f := range funcs {
		f.label = strings.Split(runtime.FuncForPC(reflect.ValueOf(f.function).Pointer()).Name(), ".")[1]
	}

	for {
		task, err := jobQueue.NextCreateTask()
		if err != nil {
			if bCE, ok := err.(beanstalk.ConnError); ok {
				switch bCE {
				case beanstalk.ErrTimeout:
					// Empty queue, continue waiting
					continue
				case beanstalk.ErrDeadline:
					// See docs on beanstalkd deadline
					// We're just going to sleep to let the deadline'd job expire
					// and try to get another job
					m.IncrCounter([]string{"beanstalk", "error", "deadline"}, 1)
					log.Debug(beanstalk.ErrDeadline)
					time.Sleep(5 * time.Second)
					continue
				default:
					// You have failed me for the last time
					log.WithField("error", err).Fatal(err)
				}
			}
			log.WithFields(log.Fields{
				"task":  task,
				"error": err,
			}).Error("invalid task")

			if err := task.Delete(); err != nil {
				log.WithFields(log.Fields{
					"task":  task.ID,
					"error": err,
				}).Error("unable to delete")
			}
		}

		for _, f := range funcs {

			fields := log.Fields{
				"task": task,
			}

			log.WithFields(fields).Debug("running")

			start := time.Now()
			rm, err := f.function(jobQueue, task)

			m.MeasureSince([]string{f.label, "time"}, start)
			m.IncrCounter([]string{f.label, "count"}, 1)

			duration := int(time.Since(start).Seconds() * 1000)
			log.WithFields(fields).WithField("duration", duration).Info("done")

			if err != nil {

				m.IncrCounter([]string{f.label, "error"}, 1)

				log.WithFields(fields).WithField("error", err).Error("task error")

				task.Job.Status = jobqueue.JobStatusError
				task.Job.Error = err.Error()
				if err := task.Job.Save(24 * time.Hour); err != nil {
					log.WithFields(log.Fields{
						"task":  task,
						"error": err,
					}).Error("unable to save")
				}
			}

			if rm {
				if err := task.Delete(); err != nil {
					log.WithFields(log.Fields{
						"task":  task.ID,
						"error": err,
					}).Error("unable to delete")
				}
				break
			}
		}
	}
}
コード例 #6
0
ファイル: main.go プロジェクト: joshie/lochness
func main() {
	var port uint
	var etcdAddr, bstalk, logLevel, statsd string

	flag.UintVarP(&port, "port", "p", 18000, "listen port")
	flag.StringVarP(&etcdAddr, "etcd", "e", defaultEtcdAddr, "address of etcd machine")
	flag.StringVarP(&bstalk, "beanstalk", "b", "127.0.0.1:11300", "address of beanstalkd server")
	flag.StringVarP(&logLevel, "log-level", "l", "warn", "log level")
	flag.StringVarP(&statsd, "statsd", "s", "", "statsd address")
	flag.Parse()

	if err := logx.DefaultSetup(logLevel); err != nil {
		log.WithFields(log.Fields{
			"error": err,
			"func":  "logx.DefaultSetup",
			"level": logLevel,
		}).Fatal("unable to set up logrus")
	}

	etcdClient := etcd.NewClient([]string{etcdAddr})

	if !etcdClient.SyncCluster() {
		log.WithFields(log.Fields{
			"error": nil,
			"func":  "etcd.SyncCluster",
			"addr":  etcdAddr,
		}).Fatal("unable to sync etcd cluster")
	}

	ctx := lochness.NewContext(etcdClient)

	log.WithField("address", bstalk).Info("connection to beanstalk")
	jobQueue, err := jobqueue.NewClient(bstalk, etcdClient)
	if err != nil {
		log.WithFields(log.Fields{
			"error":   err,
			"address": bstalk,
		}).Fatal("failed to create jobQueue client")
	}

	// setup metrics
	sink := mapsink.New()
	fanout := metrics.FanoutSink{sink}

	if statsd != "" {
		ss, _ := metrics.NewStatsdSink(statsd)
		fanout = append(fanout, ss)
	}
	conf := metrics.DefaultConfig("cguestd")
	conf.EnableHostname = false
	m, _ := metrics.New(conf, fanout)

	mctx := &metricsContext{
		sink:    sink,
		metrics: m,
		mmw:     mmw.New(m),
	}

	if err := Run(port, ctx, jobQueue, mctx); err != nil {
		log.WithFields(log.Fields{
			"error": err,
		}).Fatal("failed to run server")
	}
}