github.com/vmware/govmomi@v0.37.1/govc/device/clock/add.go (about)

     1  /*
     2  Copyright (c) 2022 VMware, Inc. All Rights Reserved.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package floppy
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  	"fmt"
    23  
    24  	"github.com/vmware/govmomi/govc/cli"
    25  	"github.com/vmware/govmomi/govc/flags"
    26  	"github.com/vmware/govmomi/vim25/types"
    27  )
    28  
    29  type add struct {
    30  	*flags.VirtualMachineFlag
    31  }
    32  
    33  func init() {
    34  	cli.Register("device.clock.add", &add{})
    35  }
    36  
    37  func (cmd *add) Register(ctx context.Context, f *flag.FlagSet) {
    38  	cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
    39  	cmd.VirtualMachineFlag.Register(ctx, f)
    40  }
    41  
    42  func (cmd *add) Description() string {
    43  	return `Add precision clock device to VM.
    44  
    45  Examples:
    46    govc device.clock.add -vm $vm
    47    govc device.info clock-*`
    48  }
    49  
    50  func (cmd *add) Run(ctx context.Context, f *flag.FlagSet) error {
    51  	vm, err := cmd.VirtualMachine()
    52  	if err != nil {
    53  		return err
    54  	}
    55  
    56  	if vm == nil {
    57  		return flag.ErrHelp
    58  	}
    59  
    60  	d := &types.VirtualPrecisionClock{
    61  		VirtualDevice: types.VirtualDevice{
    62  			Backing: &types.VirtualPrecisionClockSystemClockBackingInfo{
    63  				Protocol: string(types.HostDateTimeInfoProtocolPtp), // TODO: ntp option
    64  			},
    65  		},
    66  	}
    67  
    68  	err = vm.AddDevice(ctx, d)
    69  	if err != nil {
    70  		return err
    71  	}
    72  
    73  	// output name of device we just created
    74  	devices, err := vm.Device(ctx)
    75  	if err != nil {
    76  		return err
    77  	}
    78  
    79  	devices = devices.SelectByType(d)
    80  
    81  	name := devices.Name(devices[len(devices)-1])
    82  
    83  	fmt.Println(name)
    84  
    85  	return nil
    86  }