예제 #1
0
//register an event
func myrebootcallback(c libvirt.VirConnection, d libvirt.VirDomain, event int, detail int) {
	fmt.Printf("Got event %d\n", event)
	if event == libvirt.VIR_DOMAIN_EVENT_STOPPED {
		fmt.Println("rebooting...")
		d.Create()
	}
}
예제 #2
0
func registerRebootAndGetVncPort(name string, ip string, conn libvirt.VirConnection) string {
	var domain libvirt.VirDomain
	domain, err := conn.LookupByName(name)
	if err != nil {
		log.Println("FAIL: find running domain to start vncviewer")
		return ""
	}
	defer domain.Free()

	xmlData, _ := domain.GetXMLDesc()
	v := utils.ParseDomainXML(xmlData)

	/* to get VNC port */
	var vncPort string
	if v.Devices.Graphics.VNCPort == "-1" {
		log.Println("FAIL:Can not get vnc port")
		return ""
	}

	vncPort = v.Devices.Graphics.VNCPort

	ret := libvirt.ConnectDomainEventRegister(conn, domain, libvirt.VIR_DOMAIN_EVENT_ID_LIFECYCLE, libvirt.LifeCycleCallBackType(myrebootcallback))
	if ret == -1 {
		fmt.Println("can not autoreboot")
	} else {
		callbackMap.Set(name, ret)
	}

	vncAddress := ip + ":" + vncPort
	//e.g. http://147.2.207.233/vnc_auto.html?title=lwang-n1-sle12rc1&path=websockify?ip=147.2.207.233:5902

	log.Println(fmt.Sprintf("/vnc_auto.html?title=%s&path=websockify?ip=%s", name, vncAddress))
	return fmt.Sprintf("/vnc_auto.html?title=%s&path=websockify?ip=%s", name, vncAddress)
}
예제 #3
0
//TODO: in the futhure, use vm := VirtualMachine{};fillvmData(domain,vm)
func fillVmData(domain libvirt.VirDomain, conn libvirt.VirConnection) VirtualMachine {

	xmlData, _ := domain.GetXMLDesc()
	v := utils.ParseDomainXML(xmlData)
	/* if VNCPort is -1, this means the domain is closed */
	var active = false
	var vncPort = ""
	if v.Devices.Graphics.VNCPort != "-1" {
		active = true
		vncPort = v.Devices.Graphics.VNCPort
	}

	/* fill MAC Address */
	macMapping := make([]SubNet, 0)
	for _, i := range v.Devices.Interface {
		if i.Type == "bridge" {
			macMapping = append(macMapping, SubNet{MAC: i.MAC.Address, IP: "not detected"})
		}
	}

	/* fill Disk info */

	var vmDisks = make([]string, 0)
	for _, i := range v.Devices.Disks {
		vmDisks = append(vmDisks, i.Source.Path)
	}

	return VirtualMachine{UUIDString: v.UUID, Name: v.Name, Active: active, VNCPort: vncPort, VirDomain: domain, MACMapping: macMapping, Disks: vmDisks, Connect: conn}
}
예제 #4
0
//register an event
func myrebootcallback(c libvirt.VirConnection, d libvirt.VirDomain, event int, detail int) {
	fmt.Printf("Got event %d\n", event)
	if event == libvirt.VIR_DOMAIN_EVENT_STOPPED {
		fmt.Println("rebooting...")
		d.Create()
	}
	name, _ := d.GetName()
	if callbackMap.Check(name) == true {
		callbackid := callbackMap.Get(name).(int)
		libvirt.ConnectDomainEventDeregister(c, callbackid)
		callbackMap.Delete(name)
	}
}
예제 #5
0
func startVNCviewer(conn libvirt.VirConnection, name string, hostIPAddress string) {
	fmt.Println("would bring up vncviewer...")
	var domain libvirt.VirDomain
	domain, err := conn.LookupByName(name)
	if err != nil {
		fmt.Println("FAIL: find running domain to start vncviewer")
		return
	}
	defer domain.Free()

	xmlData, _ := domain.GetXMLDesc()
	v := utils.ParseDomainXML(xmlData)

	/* to get VNC port */
	var vncPort string
	if v.Devices.Graphics.VNCPort == "-1" {
		fmt.Println("FAIL:Can not get vnc port")
		return
	}

	vncPort = v.Devices.Graphics.VNCPort

	ret := libvirt.ConnectDomainEventRegister(conn, domain, libvirt.VIR_DOMAIN_EVENT_ID_LIFECYCLE, libvirt.LifeCycleCallBackType(myrebootcallback))
	if ret == -1 {
		fmt.Println("can not autoreboot")
		return
	}

	fmt.Println("RUNNING: vncviewer " + hostIPAddress + ":" + vncPort)

	cmd := exec.Command("vncviewer", hostIPAddress+":"+vncPort)
	//Run will block
	err = cmd.Run()
	if err != nil {
		fmt.Println("FAIL:can not start vncviewer")
		fmt.Println(err)
		return
	}
	fmt.Println("vncviewer is quiting")
	time.Sleep(3 * time.Second)

	//re run vncviewer
	cmd.Run()

}