コード例 #1
0
ファイル: manage.go プロジェクト: abhishekamralkar/swarm
func manage(c *cli.Context) {
	var (
		tlsConfig *tls.Config = nil
		err       error
	)

	// If either --tls or --tlsverify are specified, load the certificates.
	if c.Bool("tls") || c.Bool("tlsverify") {
		tlsConfig, err = loadTlsConfig(
			c.String("tlscacert"),
			c.String("tlscert"),
			c.String("tlskey"),
			c.Bool("tlsverify"))
		if err != nil {
			log.Fatal(err)
		}
	}

	refresh := func(c *cluster.Cluster, nodes []string) {
		for _, addr := range nodes {
			go func(addr string) {
				if !strings.Contains(addr, "://") {
					addr = "http://" + addr
				}
				if c.Node(addr) == nil {
					n := cluster.NewNode(addr)
					if err := n.Connect(tlsConfig); err != nil {
						log.Error(err)
						return
					}
					if err := c.AddNode(n); err != nil {
						log.Error(err)
						return
					}
				}
			}(addr)
		}
	}

	cluster := cluster.NewCluster()
	cluster.Events(&logHandler{})

	go func() {
		if c.String("token") != "" {
			nodes, err := discovery.FetchSlaves(c.String("token"))
			if err != nil {
				log.Fatal(err)

			}
			refresh(cluster, nodes)

			hb := time.Duration(c.Int("heartbeat"))
			go func() {
				for {
					time.Sleep(hb * time.Second)
					nodes, err = discovery.FetchSlaves(c.String("token"))
					if err == nil {
						refresh(cluster, nodes)
					}
				}
			}()
		} else {
			refresh(cluster, c.Args())
		}
	}()

	s := scheduler.NewScheduler(
		cluster,
		&strategy.BinPackingPlacementStrategy{OvercommitRatio: 0.05},
		[]filter.Filter{
			&filter.HealthFilter{},
			&filter.LabelFilter{},
			&filter.PortFilter{},
		},
	)

	log.Fatal(api.ListenAndServe(cluster, s, c.String("addr"), c.App.Version, c.Bool("cors"), tlsConfig))
}