github.com/vmware/govmomi@v0.51.0/cli/datastore/disk/shrink.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 disk
     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/object"
    15  )
    16  
    17  type shrink struct {
    18  	*flags.DatastoreFlag
    19  
    20  	copy *bool
    21  }
    22  
    23  func init() {
    24  	cli.Register("datastore.disk.shrink", &shrink{})
    25  }
    26  
    27  func (cmd *shrink) Register(ctx context.Context, f *flag.FlagSet) {
    28  	cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
    29  	cmd.DatastoreFlag.Register(ctx, f)
    30  
    31  	f.Var(flags.NewOptionalBool(&cmd.copy), "copy", "Perform shrink in-place mode if false, copy-shrink mode otherwise")
    32  }
    33  
    34  func (cmd *shrink) Process(ctx context.Context) error {
    35  	return cmd.DatastoreFlag.Process(ctx)
    36  }
    37  
    38  func (cmd *shrink) Usage() string {
    39  	return "VMDK"
    40  }
    41  
    42  func (cmd *shrink) Description() string {
    43  	return `Shrink VMDK on DS.
    44  
    45  Examples:
    46    govc datastore.disk.shrink disks/disk1.vmdk`
    47  }
    48  
    49  func (cmd *shrink) Run(ctx context.Context, f *flag.FlagSet) error {
    50  	if f.NArg() == 0 {
    51  		return flag.ErrHelp
    52  	}
    53  
    54  	dc, err := cmd.Datacenter()
    55  	if err != nil {
    56  		return err
    57  	}
    58  
    59  	ds, err := cmd.Datastore()
    60  	if err != nil {
    61  		return err
    62  	}
    63  
    64  	m := object.NewVirtualDiskManager(ds.Client())
    65  	path := ds.Path(f.Arg(0))
    66  	task, err := m.ShrinkVirtualDisk(ctx, path, dc, cmd.copy)
    67  	if err != nil {
    68  		return err
    69  	}
    70  
    71  	logger := cmd.ProgressLogger(fmt.Sprintf("Shrinking %s...", path))
    72  	defer logger.Wait()
    73  
    74  	_, err = task.WaitForResult(ctx, logger)
    75  	return err
    76  }