func (daemon *Daemon) initRunV(c *apitypes.HyperConfig) error { var ( err error ) if hypervisor.HDriver, err = driverloader.Probe(c.Driver); err != nil { glog.Warningf("%s", err.Error()) glog.Errorf("Please specify the correct and available hypervisor, such as 'kvm', 'qemu-kvm', 'libvirt', 'xen', 'qemu', or ''") return err } daemon.Hypervisor = c.Driver glog.Infof("The hypervisor's driver is %s", c.Driver) daemon.Factory = factory.NewFromPolicy(c.Kernel, c.Initrd, c.VmFactoryPolicy) return nil }
func mainDaemon(opt *Options) { config := opt.Config glog.V(1).Infof("The config file is %s", config) if config == "" { config = "/etc/hyper/config" } if _, err := os.Stat(config); err != nil { if os.IsNotExist(err) { glog.Errorf("Can not find config file(%s)", config) return } glog.Errorf(err.Error()) return } os.Setenv("HYPER_CONFIG", config) cfg, err := goconfig.LoadConfigFile(config) if err != nil { glog.Errorf("Read config file (%s) failed, %s", config, err.Error()) return } hyperRoot, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "Root") if hyperRoot == "" { hyperRoot = "/var/lib/hyper" } utils.HYPER_ROOT = hyperRoot if _, err := os.Stat(hyperRoot); err != nil { if err := os.MkdirAll(hyperRoot, 0755); err != nil { glog.Errorf(err.Error()) return } } storageDriver, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "StorageDriver") daemon.InitDockerCfg(strings.Split(opt.Mirrors, ","), strings.Split(opt.InsecureRegistries, ","), storageDriver, hyperRoot) d, err := daemon.NewDaemon(cfg) if err != nil { glog.Errorf("The hyperd create failed, %s", err.Error()) return } vbox.Register(d) serverConfig := &server.Config{} defaultHost := "unix:///var/run/hyper.sock" Hosts := []string{defaultHost} if opt.Hosts != "" { Hosts = append(Hosts, opt.Hosts) } if d.Host != "" { Hosts = append(Hosts, d.Host) } for i := 0; i < len(Hosts); i++ { var err error if Hosts[i], err = opts.ParseHost(defaultHost, Hosts[i]); err != nil { glog.Errorf("error parsing -H %s : %v", Hosts[i], err) return } protoAddr := Hosts[i] protoAddrParts := strings.SplitN(protoAddr, "://", 2) if len(protoAddrParts) != 2 { glog.Errorf("bad format %s, expected PROTO://ADDR", protoAddr) return } serverConfig.Addrs = append(serverConfig.Addrs, server.Addr{Proto: protoAddrParts[0], Addr: protoAddrParts[1]}) } api, err := server.New(serverConfig) if err != nil { glog.Errorf(err.Error()) return } api.InitRouters(d) driver, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "Hypervisor") driver = strings.ToLower(driver) if hypervisor.HDriver, err = driverloader.Probe(driver); err != nil { glog.Warningf("%s", err.Error()) glog.Errorf("Please specify the correct and available hypervisor, such as 'kvm', 'qemu-kvm', 'libvirt', 'xen', 'qemu', 'vbox' or ''") return } else { d.Hypervisor = driver glog.Infof("The hypervisor's driver is %s", driver) } disableIptables := cfg.MustBool(goconfig.DEFAULT_SECTION, "DisableIptables", false) if err = hypervisor.InitNetwork(d.BridgeIface, d.BridgeIP, disableIptables || opt.DisableIptables); err != nil { glog.Errorf("InitNetwork failed, %s", err.Error()) return } defaultLog, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "Logger") defaultLogCfg, _ := cfg.GetSection("Log") d.DefaultLogCfg(defaultLog, defaultLogCfg) // Set the daemon object as the global varibal // which will be used for puller and builder utils.SetDaemon(d) if err := d.Restore(); err != nil { glog.Warningf("Fail to restore the previous VM") return } vmFactoryPolicy, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "VmFactoryPolicy") d.Factory = factory.NewFromPolicy(d.Kernel, d.Initrd, vmFactoryPolicy) rpcHost, _ := cfg.GetValue(goconfig.DEFAULT_SECTION, "gRPCHost") if rpcHost != "" { rpcServer := serverrpc.NewServerRPC(d) defer rpcServer.Stop() go func() { err := rpcServer.Serve(rpcHost) if err != nil { glog.Fatalf("Hyper serve RPC error: %v", err) } }() } // The serve API routine never exits unless an error occurs // We need to start it as a goroutine and wait on it so // daemon doesn't exit serveAPIWait := make(chan error) go api.Wait(serveAPIWait) stopAll := make(chan os.Signal, 1) signal.Notify(stopAll, syscall.SIGINT, syscall.SIGTERM) stop := make(chan os.Signal, 1) signal.Notify(stop, syscall.SIGHUP) glog.V(0).Infof("Hyper daemon: %s %s", utils.VERSION, utils.GITCOMMIT, ) // Daemon is fully initialized and handling API traffic // Wait for serve API job to complete select { case errAPI := <-serveAPIWait: // If we have an error here it is unique to API (as daemonErr would have // exited the daemon process above) if errAPI != nil { glog.Warningf("Shutting down due to ServeAPI error: %v", errAPI) } break case <-stop: d.DestroyAndKeepVm() break case <-stopAll: d.DestroyAllVm() break } d.Factory.CloseFactory() api.Close() d.Shutdown() }