Esempio n. 1
0
func Probe(driver string) (hypervisor.HypervisorDriver, error) {
	switch strings.ToLower(driver) {
	case "vbox":
		vd := vbox.InitDriver()
		if vd != nil {
			fmt.Printf("Vbox Driver Loaded.\n")
			return vd, nil
		}
	case "xen":
		xd := xen.InitDriver()
		if xd != nil {
			fmt.Printf("Xen Driver Loaded.\n")
			return xd, nil
		}
	case "kvm":
		fallthrough
	case "":
		qd := qemu.InitDriver()
		if qd != nil {
			fmt.Printf("Qemu Driver Loaded\n")
			return qd, nil
		}
	default:
		return nil, fmt.Errorf("Unsupported driver %s\n", driver)
	}

	return nil, fmt.Errorf("Driver %s is unavailable\n", driver)
}
Esempio n. 2
0
func Probe(driver string) (hypervisor.HypervisorDriver, error) {
	switch strings.ToLower(driver) {
	case "libvirt":
		ld := libvirt.InitDriver()
		if ld != nil {
			fmt.Printf("Libvirt Driver Loaded.\n")
			return ld, nil
		}
	case "kvm", "qemu-kvm":
		if _, err := os.Stat("/dev/kvm"); os.IsNotExist(err) {
			return nil, fmt.Errorf("Driver %s is unavailable\n", driver)
		}
		qd := qemu.InitDriver()
		if qd != nil {
			fmt.Printf("%s Driver Loaded\n", driver)
			return qd, nil
		}
	case "xen", "":
		xd := xen.InitDriver()
		if xd != nil {
			fmt.Printf("Xen Driver Loaded.\n")
			return xd, nil
		}
		if driver == "xen" {
			return nil, fmt.Errorf("Driver %s is unavailable\n", driver)
		}
		fallthrough // only for ""
	case "qemu": // "qemu" or "", kvm will be enabled if the system enables kvm
		qd := qemu.InitDriver()
		if qd != nil {
			fmt.Printf("Qemu Driver Loaded\n")
			return qd, nil
		}
	default:
		return nil, fmt.Errorf("Unsupported driver %s\n", driver)
	}

	return nil, fmt.Errorf("Driver %s is unavailable\n", driver)
}