fix(host): catch init error

pkg/hostman/host_services.go

@@ -15,6 +15,8 @@
 package hostman
 
 import (
+	"time"
+
 	execlient "yunion.io/x/executor/client"
 	"yunion.io/x/log"
 
@@ -77,7 +79,12 @@ func (host *SHostService) RunService() {
 
 	hostInstance := hostinfo.Instance()
 	if err := hostInstance.Init(); err != nil {
-		log.Fatalf("Host instance init error: %v", err)
+		log.Errorf("Host instance init error: %v", err)
+		for {
+			// to catch error
+			time.Sleep(10 * time.Second)
+		}
+		// log.Fatalf("Host instance init error: %v", err)
 	}
 
 	app_common.InitAuth(&options.HostOptions.CommonOptions, func() {

pkg/hostman/hostinfo/hostinfo.go

@@ -198,9 +198,7 @@ func (h *SHostInfo) Init() error {
 	}
 
 	if err := hostbridge.Prepare(options.HostOptions.BridgeDriver); err != nil {
-		err := errors.Errorf("Prepare host bridge %q error: %v", options.HostOptions.BridgeDriver, err)
-		log.Errorln(err)
-		return err
+		return errors.Wrapf(err, "Prepare host bridge %q", options.HostOptions.BridgeDriver)
 	}
 
 	log.Infof("Start parseConfig")
@@ -302,7 +300,7 @@ func (h *SHostInfo) parseConfig() error {
 	if len(options.HostOptions.Networks) == 0 {
 		netConf, err := h.generateLocalNetworkConfig()
 		if err != nil {
-			return err
+			return errors.Wrap(err, "generateLocalNetworkConfig")
 		}
 		log.Infof("Generate network config %s", netConf)
 		options.HostOptions.Networks = []string{netConf}
@@ -319,13 +317,13 @@ func (h *SHostInfo) parseConfig() error {
 	for _, n := range options.HostOptions.Networks {
 		nic, err := NewNIC(n)
 		if err != nil {
-			return err
+			return errors.Wrapf(err, "NewNIC %s", n)
 		}
 		h.Nics = append(h.Nics, nic)
 	}
 	for i := 0; i < len(h.Nics); i++ {
 		if err := h.Nics[i].SetupDhcpRelay(); err != nil {
-			return err
+			return errors.Wrapf(err, "SetupDhcpRelay %s/%s/%s", h.Nics[i].Inter, h.Nics[i].Bridge, h.Nics[i].Ip)
 		}
 	}
 	if len(options.HostOptions.ListenInterface) > 0 {

pkg/hostman/hostinfo/hostinfohelper.go

@@ -274,27 +274,24 @@ func NewNIC(desc string) (*SNIC, error) {
 	nic.BridgeDev, err = hostbridge.NewDriver(options.HostOptions.BridgeDriver,
 		nic.Bridge, nic.Inter, nic.Ip)
 	if err != nil {
-		log.Errorln(err)
-		return nil, err
+		return nil, errors.Wrapf(err, "hostbridge.NewDriver driver: %s, bridge: %s, interface: %s, ip: %s", options.HostOptions.BridgeDriver, nic.Bridge, nic.Inter, nic.Ip)
 	}
 
 	confirm, err := nic.BridgeDev.ConfirmToConfig()
 	if err != nil {
-		log.Errorln(err)
-		return nil, err
+		return nil, errors.Wrapf(err, "nic.BridgeDev.ConfirmToConfig %#v", nic.BridgeDev)
 	}
 	if !confirm {
 		log.Infof("Not confirm to configuration")
 		if err = nic.BridgeDev.Setup(nic.BridgeDev); err != nil {
-			log.Errorln(err)
-			return nil, err
+			return nil, errors.Wrapf(err, "nic.BridgeDev.Setup %v", nic.BridgeDev)
 		}
 		time.Sleep(time.Second * 1)
 	} else {
 		log.Infof("Confirm to configuration!!")
 	}
 	if err := nic.BridgeDev.PersistentConfig(); err != nil {
-		return nil, err
+		return nil, errors.Wrapf(err, "nic.BridgeDev.PersistentConfig %v", nic.BridgeDev)
 	}
 	if isDHCP, err := nic.BridgeDev.DisableDHCPClient(); err != nil {
 		return nil, errors.Wrap(err, "disable dhcp client")