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

     1  /*
     2  Copyright (c) 2014-2017 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 device
    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  )
    27  
    28  type disconnect struct {
    29  	*flags.VirtualMachineFlag
    30  }
    31  
    32  func init() {
    33  	cli.Register("device.disconnect", &disconnect{})
    34  }
    35  
    36  func (cmd *disconnect) Register(ctx context.Context, f *flag.FlagSet) {
    37  	cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
    38  	cmd.VirtualMachineFlag.Register(ctx, f)
    39  }
    40  
    41  func (cmd *disconnect) Process(ctx context.Context) error {
    42  	if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
    43  		return err
    44  	}
    45  	return nil
    46  }
    47  
    48  func (cmd *disconnect) Usage() string {
    49  	return "DEVICE..."
    50  }
    51  
    52  func (cmd *disconnect) Description() string {
    53  	return `Disconnect DEVICE on VM.
    54  
    55  Examples:
    56    govc device.disconnect -vm $name cdrom-3000`
    57  }
    58  
    59  func (cmd *disconnect) Run(ctx context.Context, f *flag.FlagSet) error {
    60  	vm, err := cmd.VirtualMachine()
    61  	if err != nil {
    62  		return err
    63  	}
    64  
    65  	if vm == nil {
    66  		return flag.ErrHelp
    67  	}
    68  
    69  	devices, err := vm.Device(ctx)
    70  	if err != nil {
    71  		return err
    72  	}
    73  
    74  	for _, name := range f.Args() {
    75  		device := devices.Find(name)
    76  		if device == nil {
    77  			return fmt.Errorf("device '%s' not found", name)
    78  		}
    79  
    80  		if err = devices.Disconnect(device); err != nil {
    81  			return err
    82  		}
    83  
    84  		if err = vm.EditDevice(ctx, device); err != nil {
    85  			return err
    86  		}
    87  	}
    88  
    89  	return nil
    90  }