コード例 #1
0
ファイル: main.go プロジェクト: rudle/p2
func watchPodClusters(client consulutil.ConsulClient) {
	logger := &logging.DefaultLogger
	logger.Infoln("Beginning pod cluster watch")

	pcStore := pcstore.NewConsul(client, 0, logger)
	quitCh := make(chan struct{})
	go func() {
		signalCh := make(chan os.Signal, 2)
		signal.Notify(signalCh, syscall.SIGTERM, os.Interrupt)
		received := <-signalCh
		logger.Warnf("Received %v, shutting down", received)
		close(quitCh)
	}()

	if err := pcStore.WatchAndSync(&printSyncer{logger}, quitCh); err != nil {
		log.Fatalf("error watching pod cluster: %v", err)
	}
}
コード例 #2
0
ファイル: main.go プロジェクト: petertseng/p2
func main() {
	cmd, consulOpts, labeler := flags.ParseWithConsulOptions()
	client := kp.NewConsulClient(consulOpts)
	kv := kp.NewConsulStore(client)
	logger := logging.NewLogger(logrus.Fields{})
	pcstore := pcstore.NewConsul(client, labeler, labels.NewConsulApplicator(client, 0), &logger)
	session, _, err := kv.NewSession(fmt.Sprintf("pcctl-%s", currentUserName()), nil)
	if err != nil {
		log.Fatalf("Could not create session: %s", err)
	}

	switch cmd {
	case cmdCreateText:
		az := fields.AvailabilityZone(*createAZ)
		cn := fields.ClusterName(*createName)
		podID := types.PodID(*createPodID)
		selector := selectorFrom(az, cn, podID)
		pccontrol := control.NewPodCluster(az, cn, podID, pcstore, selector, session)

		annotations := *createAnnotations
		var parsedAnnotations map[string]interface{}
		err := json.Unmarshal([]byte(annotations), &parsedAnnotations)
		if err != nil {
			log.Fatalf("could not parse json: %v", err)
		}
		_, err = pccontrol.Create(parsedAnnotations)
		if err != nil {
			log.Fatalf("err: %v", err)
		}
	case cmdGetText:
		az := fields.AvailabilityZone(*getAZ)
		cn := fields.ClusterName(*getName)
		podID := types.PodID(*getPodID)
		pcID := fields.ID(*getID)

		var pccontrol *control.PodCluster
		if pcID != "" {
			pccontrol = control.NewPodClusterFromID(pcID, session, pcstore)
		} else if az != "" && cn != "" && podID != "" {
			selector := selectorFrom(az, cn, podID)
			pccontrol = control.NewPodCluster(az, cn, podID, pcstore, selector, session)
		} else {
			log.Fatalf("Expected one of: pcID or (pod,az,name)")
		}

		pc, err := pccontrol.Get()
		if err != nil {
			log.Fatalf("Caught error while fetching pod cluster: %v", err)
		}

		bytes, err := json.Marshal(pc)
		if err != nil {
			logger.WithError(err).Fatalln("Unable to marshal PC as JSON")
		}
		fmt.Printf("%s", bytes)
	case cmdDeleteText:
		az := fields.AvailabilityZone(*deleteAZ)
		cn := fields.ClusterName(*deleteName)
		podID := types.PodID(*deletePodID)
		pcID := fields.ID(*deleteID)

		var pccontrol *control.PodCluster
		if pcID != "" {
			pccontrol = control.NewPodClusterFromID(pcID, session, pcstore)
		} else if az != "" && cn != "" && podID != "" {
			selector := selectorFrom(az, cn, podID)
			pccontrol = control.NewPodCluster(az, cn, podID, pcstore, selector, session)
		} else {
			log.Fatalf("Expected one of: pcID or (pod,az,name)")
		}

		errors := pccontrol.Delete()
		if len(errors) >= 1 {
			for _, err := range errors {
				_, _ = os.Stderr.Write([]byte(fmt.Sprintf("Failed to delete one pod cluster matching arguments. Error:\n %s\n", err.Error())))
			}
			os.Exit(1)
		}
	case cmdUpdateText:
		az := fields.AvailabilityZone(*updateAZ)
		cn := fields.ClusterName(*updateName)
		podID := types.PodID(*updatePodID)
		pcID := fields.ID(*updateID)

		var pccontrol *control.PodCluster
		if pcID != "" {
			pccontrol = control.NewPodClusterFromID(pcID, session, pcstore)
		} else if az != "" && cn != "" && podID != "" {
			selector := selectorFrom(az, cn, podID)
			pccontrol = control.NewPodCluster(az, cn, podID, pcstore, selector, session)
		} else {
			log.Fatalf("Expected one of: pcID or (pod,az,name)")
		}

		var annotations fields.Annotations
		err := json.Unmarshal([]byte(*updateAnnotations), &annotations)
		if err != nil {
			_, _ = os.Stderr.Write([]byte(fmt.Sprintf("Annotations are invalid JSON. Err follows:\n%v", err)))
			os.Exit(1)
		}

		pc, err := pccontrol.Update(annotations)
		if err != nil {
			log.Fatalf("Error during PodCluster update: %v\n%v", err, pc)
			os.Exit(1)
		}
		bytes, err := json.Marshal(pc)
		if err != nil {
			log.Fatalf("Update succeeded, but error during displaying PC: %v\n%+v", err, pc)
			os.Exit(1)
		}
		fmt.Printf("%s", bytes)
	case cmdListText:
		pcs, err := pcstore.List()
		if err != nil {
			_, _ = os.Stderr.Write([]byte(fmt.Sprintf("Could not list pcs. Err follows:\n%v", err)))
			os.Exit(1)
		}

		bytes, err := json.Marshal(pcs)
		if err != nil {
			_, _ = os.Stderr.Write([]byte(fmt.Sprintf("Could not marshal pc list. Err follows:\n%v", err)))
			os.Exit(1)
		}
		fmt.Printf("%s", bytes)
	default:
		log.Fatalf("Unrecognized command %v", cmd)
	}
}