github.com/vmware/govmomi@v0.51.0/cli/vm/dataset/entry/get.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 entry
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  
    12  	"github.com/vmware/govmomi/cli"
    13  	"github.com/vmware/govmomi/cli/flags"
    14  	govc "github.com/vmware/govmomi/cli/vm/dataset"
    15  	"github.com/vmware/govmomi/vapi/vm/dataset"
    16  )
    17  
    18  type get struct {
    19  	*flags.VirtualMachineFlag
    20  	dataSet string
    21  }
    22  
    23  func init() {
    24  	cli.Register("vm.dataset.entry.get", &get{})
    25  }
    26  
    27  func (cmd *get) Register(ctx context.Context, f *flag.FlagSet) {
    28  	cmd.VirtualMachineFlag, ctx = flags.NewVirtualMachineFlag(ctx)
    29  	cmd.VirtualMachineFlag.Register(ctx, f)
    30  	f.StringVar(&cmd.dataSet, "dataset", "", "Data set name or ID")
    31  }
    32  
    33  func (cmd *get) Process(ctx context.Context) error {
    34  	return cmd.VirtualMachineFlag.Process(ctx)
    35  }
    36  
    37  func (cmd *get) Usage() string {
    38  	return "KEY"
    39  }
    40  
    41  func (cmd *get) Description() string {
    42  	return `Read the value of a data set entry.
    43  
    44  Examples:
    45    govc vm.dataset.entry.get -vm $vm -dataset com.example.project2 somekey`
    46  }
    47  
    48  func (cmd *get) Run(ctx context.Context, f *flag.FlagSet) error {
    49  	if f.NArg() != 1 {
    50  		return flag.ErrHelp
    51  	}
    52  	entryKey := f.Arg(0)
    53  
    54  	vm, err := cmd.VirtualMachineFlag.VirtualMachine()
    55  	if err != nil {
    56  		return err
    57  	}
    58  	if vm == nil {
    59  		return flag.ErrHelp
    60  	}
    61  	vmId := vm.Reference().Value
    62  
    63  	if cmd.dataSet == "" {
    64  		return flag.ErrHelp
    65  	}
    66  
    67  	c, err := cmd.RestClient()
    68  	if err != nil {
    69  		return err
    70  	}
    71  	mgr := dataset.NewManager(c)
    72  	dataSetId, err := govc.FindDataSetId(ctx, mgr, vmId, cmd.dataSet)
    73  	if err != nil {
    74  		return err
    75  	}
    76  	entryValue, err := mgr.GetEntry(ctx, vmId, dataSetId, entryKey)
    77  	if err != nil {
    78  		return err
    79  	}
    80  
    81  	fmt.Println(entryValue)
    82  	return nil
    83  }