github.com/vmware/govmomi@v0.51.0/cli/host/vnic/change.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package vnic
     6  
     7  import (
     8  	"context"
     9  	"errors"
    10  	"flag"
    11  
    12  	"github.com/vmware/govmomi/cli"
    13  	"github.com/vmware/govmomi/cli/flags"
    14  	"github.com/vmware/govmomi/vim25/mo"
    15  )
    16  
    17  type change struct {
    18  	*flags.HostSystemFlag
    19  
    20  	mtu int32
    21  }
    22  
    23  func init() {
    24  	cli.Register("host.vnic.change", &change{})
    25  }
    26  
    27  func (cmd *change) Register(ctx context.Context, f *flag.FlagSet) {
    28  	cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx)
    29  	cmd.HostSystemFlag.Register(ctx, f)
    30  
    31  	f.Var(flags.NewInt32(&cmd.mtu), "mtu", "vmk MTU")
    32  }
    33  
    34  func (cmd *change) Process(ctx context.Context) error {
    35  	if err := cmd.HostSystemFlag.Process(ctx); err != nil {
    36  		return err
    37  	}
    38  
    39  	return nil
    40  }
    41  
    42  func (cmd *change) Usage() string {
    43  	return "DEVICE"
    44  }
    45  
    46  func (cmd *change) Description() string {
    47  	return `Change a virtual nic DEVICE.
    48  
    49  Examples:
    50    govc host.vnic.change -host hostname -mtu 9000 vmk1`
    51  }
    52  
    53  func (cmd *change) Run(ctx context.Context, f *flag.FlagSet) error {
    54  	if f.NArg() != 1 {
    55  		return flag.ErrHelp
    56  	}
    57  
    58  	device := f.Arg(0)
    59  
    60  	ns, err := cmd.HostNetworkSystem()
    61  	if err != nil {
    62  		return err
    63  	}
    64  
    65  	var mns mo.HostNetworkSystem
    66  
    67  	err = ns.Properties(ctx, ns.Reference(), []string{"networkInfo"}, &mns)
    68  	if err != nil {
    69  		return err
    70  	}
    71  
    72  	for _, nic := range mns.NetworkInfo.Vnic {
    73  		if nic.Device == device {
    74  			nic.Spec.Mtu = cmd.mtu
    75  			return ns.UpdateVirtualNic(ctx, device, nic.Spec)
    76  		}
    77  	}
    78  
    79  	return errors.New(device + " not found")
    80  }