github.com/vmware/govmomi@v0.51.0/cli/vm/dataset/ls.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 dataset
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  	"io"
    12  
    13  	"github.com/vmware/govmomi/cli"
    14  	"github.com/vmware/govmomi/cli/flags"
    15  	"github.com/vmware/govmomi/vapi/vm/dataset"
    16  )
    17  
    18  type ls struct {
    19  	*flags.VirtualMachineFlag
    20  	*flags.OutputFlag
    21  }
    22  
    23  func init() {
    24  	cli.Register("vm.dataset.ls", &ls{})
    25  }
    26  
    27  func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
    28  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    29  	cmd.OutputFlag.Register(ctx, f)
    30  	cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
    31  	cmd.VirtualMachineFlag.Register(ctx, f)
    32  }
    33  
    34  func (cmd *ls) Process(ctx context.Context) error {
    35  	if err := cmd.VirtualMachineFlag.Process(ctx); err != nil {
    36  		return err
    37  	}
    38  	return cmd.OutputFlag.Process(ctx)
    39  }
    40  
    41  func (cmd *ls) Description() string {
    42  	return `List datasets.
    43  
    44  Examples:
    45    govc vm.dataset.ls -vm $vm
    46    govc vm.dataset.ls -vm $vm -json | jq '.[].description'`
    47  }
    48  
    49  type lsResult []dataset.Summary
    50  
    51  func (r lsResult) Write(w io.Writer) error {
    52  	for _, d := range r {
    53  		fmt.Fprintln(w, d.Name)
    54  	}
    55  	return nil
    56  }
    57  
    58  func (cmd *ls) Run(ctx context.Context, f *flag.FlagSet) error {
    59  	vm, err := cmd.VirtualMachineFlag.VirtualMachine()
    60  	if err != nil {
    61  		return err
    62  	}
    63  	if vm == nil {
    64  		return flag.ErrHelp
    65  	}
    66  	vmId := vm.Reference().Value
    67  
    68  	c, err := cmd.RestClient()
    69  	if err != nil {
    70  		return err
    71  	}
    72  	mgr := dataset.NewManager(c)
    73  	l, err := mgr.ListDataSets(ctx, vmId)
    74  	if err != nil {
    75  		return err
    76  	}
    77  	return cmd.WriteResult(lsResult(l))
    78  }