github.com/vmware/govmomi@v0.51.0/cli/tags/rm.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 tags
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  
    12  	"github.com/vmware/govmomi/cli"
    13  	"github.com/vmware/govmomi/cli/flags"
    14  	"github.com/vmware/govmomi/vapi/tags"
    15  )
    16  
    17  type rm struct {
    18  	*flags.ClientFlag
    19  
    20  	cat   string
    21  	force bool
    22  }
    23  
    24  func init() {
    25  	cli.Register("tags.rm", &rm{})
    26  }
    27  
    28  func (cmd *rm) Register(ctx context.Context, f *flag.FlagSet) {
    29  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    30  	cmd.ClientFlag.Register(ctx, f)
    31  
    32  	f.StringVar(&cmd.cat, "c", "", "Tag category")
    33  	f.BoolVar(&cmd.force, "f", false, "Delete tag regardless of attached objects")
    34  }
    35  
    36  func (cmd *rm) Usage() string {
    37  	return "NAME"
    38  }
    39  
    40  func (cmd *rm) Description() string {
    41  	return `Delete tag NAME.
    42  
    43  Fails if tag is attached to any object, unless the '-f' flag is provided.
    44  
    45  Examples:
    46    govc tags.rm k8s-zone-us-ca1
    47    govc tags.rm -f -c k8s-zone us-ca2`
    48  }
    49  
    50  func (cmd *rm) Run(ctx context.Context, f *flag.FlagSet) error {
    51  	if f.NArg() != 1 {
    52  		return flag.ErrHelp
    53  	}
    54  
    55  	tagID := f.Arg(0)
    56  
    57  	c, err := cmd.RestClient()
    58  	if err != nil {
    59  		return err
    60  	}
    61  
    62  	m := tags.NewManager(c)
    63  	if !cmd.force {
    64  		objs, err := m.ListAttachedObjects(ctx, tagID)
    65  		if err != nil {
    66  			return err
    67  		}
    68  		if len(objs) > 0 {
    69  			return fmt.Errorf("tag %s has %d attached objects", tagID, len(objs))
    70  		}
    71  	}
    72  	tag, err := m.GetTagForCategory(ctx, tagID, cmd.cat)
    73  	if err != nil {
    74  		return err
    75  	}
    76  	return m.DeleteTag(ctx, tag)
    77  }