Golang VirtualMachine.PowerState方法代碼示例

func (d *Dispatcher) deleteNetworkDevices(vmm *vm.VirtualMachine, conf *config.VirtualContainerHostConfigSpec) error {
	defer trace.End(trace.Begin(""))

	log.Infof("Removing appliance VM network devices")

	power, err := vmm.PowerState(d.ctx)
	if err != nil {
		log.Errorf("Failed to get vm power status %q: %s", vmm.Reference(), err)
		return err

	}
	if power != types.VirtualMachinePowerStatePoweredOff {
		if _, err = tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
			return vmm.PowerOff(ctx)
		}); err != nil {
			log.Errorf("Failed to power off existing appliance for %s", err)
			return err
		}
	}

	devices, err := d.networkDevices(vmm)
	if err != nil {
		log.Errorf("Unable to get network devices: %s", err)
		return err
	}

	if len(devices) == 0 {
		log.Infof("No network device attached")
		return nil
	}
	// remove devices
	return vmm.RemoveDevice(d.ctx, false, devices...)
}

func (d *Dispatcher) InspectVCH(vch *vm.VirtualMachine, conf *config.VirtualContainerHostConfigSpec) error {
	defer trace.End(trace.Begin(conf.Name))

	state, err := vch.PowerState(d.ctx)
	if err != nil {
		log.Errorf("Failed to get VM power state, service might not be available at this moment.")
	}
	if state != types.VirtualMachinePowerStatePoweredOn {
		err = errors.Errorf("VCH is not powered on, state %s", state)
		log.Errorf("%s", err)
		return err
	}

	clientIP := conf.ExecutorConfig.Networks["client"].Assigned.IP
	externalIP := conf.ExecutorConfig.Networks["external"].Assigned.IP

	if ip.IsUnspecifiedIP(clientIP) {
		err = errors.Errorf("No client IP address assigned")
		log.Errorf("%s", err)
		return err
	}

	if ip.IsUnspecifiedIP(externalIP) {
		err = errors.Errorf("No external IP address assigned")
		log.Errorf("%s", err)
		return err
	}

	d.HostIP = clientIP.String()
	log.Debugf("IP address for client interface: %s", d.HostIP)
	if !conf.HostCertificate.IsNil() {
		d.VICAdminProto = "https"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultTLSHTTPPort)
	} else {
		d.VICAdminProto = "http"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultHTTPPort)
	}

	// try looking up preferred name, irrespective of CAs
	if cert, err := conf.HostCertificate.X509Certificate(); err == nil {
		name, _ := viableHostAddress([]net.IP{clientIP}, cert, conf.CertificateAuthorities)
		if name != "" {
			log.Debugf("Retrieved proposed name from host certificate: %q", name)
			log.Debugf("Assigning first name from set: %s", name)

			if name != d.HostIP {
				log.Infof("Using address from host certificate over allocated IP: %s", d.HostIP)
				// reassign
				d.HostIP = name
			}
		} else {
			log.Warnf("Unable to identify address acceptable to host certificate")
		}
	} else {
		log.Debugf("Failed to load host cert: %s", err)
	}

	d.ShowVCH(conf, "", "", "", "")
	return nil
}

func (d *Dispatcher) InspectVCH(vch *vm.VirtualMachine, conf *config.VirtualContainerHostConfigSpec) error {
	defer trace.End(trace.Begin(conf.Name))

	state, err := vch.PowerState(d.ctx)
	if err != nil {
		log.Errorf("Failed to get VM power state, service might not be avaialble at this moment.")
	}
	if state != types.VirtualMachinePowerStatePoweredOn {
		err = errors.Errorf("VCH is not powered on, state %s", state)
		log.Errorf("%s", err)
		return err
	}
	if ip.IsUnspecifiedIP(conf.ExecutorConfig.Networks["client"].Assigned.IP) {
		err = errors.Errorf("No client IP address assigned")
		log.Errorf("%s", err)
		return err
	}

	d.HostIP = conf.ExecutorConfig.Networks["client"].Assigned.IP.String()
	log.Debug("IP address for client interface: %s", d.HostIP)
	if !conf.HostCertificate.IsNil() {
		d.VICAdminProto = "https"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultTLSHTTPPort)
	} else {
		d.VICAdminProto = "http"
		d.DockerPort = fmt.Sprintf("%d", opts.DefaultHTTPPort)
	}
	d.ShowVCH(conf, "", "")
	return nil
}

func (d *Dispatcher) deleteVM(vm *vm.VirtualMachine, force bool) error {
	defer trace.End(trace.Begin(fmt.Sprintf("vm %q, force %t", vm.String(), force)))

	var err error
	power, err := vm.PowerState(d.ctx)
	if err != nil || power != types.VirtualMachinePowerStatePoweredOff {
		if err != nil {
			log.Warnf("Failed to get vm power status %q: %s", vm.Reference(), err)
		}
		if !force {
			if err != nil {
				return err
			}
			name := d.getName(vm)
			if name != "" {
				err = errors.Errorf("VM %q is powered on", name)
			} else {
				err = errors.Errorf("VM %q is powered on", vm.Reference())
			}
			return err
		}
		if _, err = vm.WaitForResult(d.ctx, func(ctx context.Context) (tasks.Task, error) {
			return vm.PowerOff(ctx)
		}); err != nil {
			log.Debugf("Failed to power off existing appliance for %s, try to remove anyway", err)
		}
	}
	// get the actual folder name before we delete it
	folder, err := vm.FolderName(d.ctx)
	if err != nil {
		// failed to get folder name, might not be able to remove files for this VM
		name := d.getName(vm)
		if name == "" {
			log.Errorf("Unable to automatically remove all files in datastore for VM %q", vm.Reference())
		} else {
			// try to use the vm name in place of folder
			log.Infof("Delete will attempt to remove datastore files for VM %q", name)
			folder = name
		}
	}

	_, err = vm.WaitForResult(d.ctx, func(ctx context.Context) (tasks.Task, error) {
		return vm.DeleteExceptDisks(ctx)
	})
	if err != nil {
		err = errors.Errorf("Failed to destroy VM %q: %s", vm.Reference(), err)
		err2 := vm.Unregister(d.ctx)
		if err2 != nil {
			return errors.Errorf("%s then failed to unregister VM: %s", err, err2)
		}
		log.Infof("Unregistered VM to cleanup after failed destroy: %q", vm.Reference())
	}
	if _, err = d.deleteDatastoreFiles(d.session.Datastore, folder, true); err != nil {
		log.Warnf("Failed to remove datastore files for VM path %q: %s", folder, err)
	}

	return nil
}

func (d *Dispatcher) deleteVM(vm *vm.VirtualMachine, force bool) error {
	defer trace.End(trace.Begin(""))

	var err error
	power, err := vm.PowerState(d.ctx)
	if err != nil || power != types.VirtualMachinePowerStatePoweredOff {
		if err != nil {
			log.Warnf("Failed to get vm power status %s: %s", vm.Reference(), err)
		}
		if !force {
			if err != nil {
				return err
			}
			name, err := vm.Name(d.ctx)
			if err != nil {
				log.Errorf("VM name is not found, %s", err)
			}
			if name != "" {
				err = errors.Errorf("VM %s is powered on", name)
			} else {
				err = errors.Errorf("VM %s is powered on", vm.Reference())
			}
			return err
		}
		if _, err = tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
			return vm.PowerOff(ctx)
		}); err != nil {
			log.Debugf("Failed to power off existing appliance for %s, try to remove anyway", err)
		}
	}
	// get the actual folder name before we delete it
	folder, err := vm.FolderName(d.ctx)
	if err != nil {
		log.Warnf("Failed to get actual folder name for VM. Will not attempt to delete additional data files in VM directory: %s", err)
	}

	_, err = tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
		return vm.Destroy(ctx)
	})
	if err != nil {
		err = errors.Errorf("Failed to destroy vm %s: %s", vm.Reference(), err)
		return err
	}
	if _, err = d.deleteDatastoreFiles(d.session.Datastore, folder, true); err != nil {
		log.Warnf("VM path %s is not removed, %s", folder, err)
	}

	return nil
}

func (d *Dispatcher) enableSSH(ctx context.Context, vch *vm.VirtualMachine, password, authorizedKey string) error {
	op, err := trace.FromContext(ctx)
	if err != nil {
		op = trace.NewOperation(ctx, "enable ssh in appliance")
	}

	state, err := vch.PowerState(op)
	if err != nil {
		log.Errorf("Failed to get appliance power state, service might not be available at this moment.")
	}
	if state != types.VirtualMachinePowerStatePoweredOn {
		err = errors.Errorf("VCH appliance is not powered on, state %s", state)
		op.Errorf("%s", err)
		return err
	}

	running, err := vch.IsToolsRunning(op)
	if err != nil || !running {
		err = errors.New("Tools is not running in the appliance, unable to continue")
		op.Errorf("%s", err)
		return err
	}

	manager := guest.NewOperationsManager(d.session.Client.Client, vch.Reference())
	processManager, err := manager.ProcessManager(op)
	if err != nil {
		err = errors.Errorf("Unable to manage processes in appliance VM: %s", err)
		op.Errorf("%s", err)
		return err
	}

	auth := types.NamePasswordAuthentication{}

	spec := types.GuestProgramSpec{
		ProgramPath:      "enable-ssh",
		Arguments:        string(authorizedKey),
		WorkingDirectory: "/",
		EnvVariables:     []string{},
	}

	_, err = processManager.StartProgram(op, &auth, &spec)
	if err != nil {
		err = errors.Errorf("Unable to enable SSH in appliance VM: %s", err)
		op.Errorf("%s", err)
		return err
	}

	if password == "" {
		return nil
	}

	// set the password as well
	spec = types.GuestProgramSpec{
		ProgramPath:      "passwd",
		Arguments:        password,
		WorkingDirectory: "/",
		EnvVariables:     []string{},
	}

	_, err = processManager.StartProgram(op, &auth, &spec)
	if err != nil {
		err = errors.Errorf("Unable to enable in appliance VM: %s", err)
		op.Errorf("%s", err)
		return err
	}

	return nil
}