github.com/vmware/govmomi@v0.51.0/cli/namespace/vmclass/info.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 vmclass
     6  
     7  import (
     8  	"context"
     9  	"flag"
    10  	"fmt"
    11  	"io"
    12  	"text/tabwriter"
    13  
    14  	"github.com/vmware/govmomi/units"
    15  	"github.com/vmware/govmomi/vapi/namespace"
    16  
    17  	"github.com/vmware/govmomi/cli"
    18  	"github.com/vmware/govmomi/cli/flags"
    19  )
    20  
    21  type infoResult namespace.VirtualMachineClassInfo
    22  
    23  func (r infoResult) Write(w io.Writer) error {
    24  	tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
    25  
    26  	fmt.Fprintf(tw, "ID:\t%s\n", r.Id)
    27  	fmt.Fprintf(tw, "CPUs:\t%d\n", r.CpuCount)
    28  	fmt.Fprintf(tw, "Memory:\t%s\n", units.ByteSize(r.MemoryMb*1024*1024))
    29  
    30  	return tw.Flush()
    31  }
    32  
    33  type info struct {
    34  	*flags.ClientFlag
    35  	*flags.OutputFlag
    36  }
    37  
    38  func init() {
    39  	cli.Register("namespace.vmclass.info", &info{})
    40  }
    41  
    42  func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) {
    43  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    44  	cmd.ClientFlag.Register(ctx, f)
    45  
    46  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    47  	cmd.OutputFlag.Register(ctx, f)
    48  }
    49  
    50  func (cmd *info) Process(ctx context.Context) error {
    51  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    52  		return err
    53  	}
    54  	if err := cmd.OutputFlag.Process(ctx); err != nil {
    55  		return err
    56  	}
    57  
    58  	return nil
    59  }
    60  
    61  func (cmd *info) Usage() string {
    62  	return "NAME"
    63  }
    64  
    65  func (cmd *info) Description() string {
    66  	return `Displays the details of a virtual machine class.
    67  
    68  Examples:
    69    govc namespace.vmclass.info test-class`
    70  }
    71  
    72  func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error {
    73  	if f.NArg() != 1 {
    74  		return flag.ErrHelp
    75  	}
    76  
    77  	rc, err := cmd.RestClient()
    78  	if err != nil {
    79  		return err
    80  	}
    81  
    82  	nm := namespace.NewManager(rc)
    83  
    84  	d, err := nm.GetVmClass(ctx, f.Arg(0))
    85  	if err != nil {
    86  		return err
    87  	}
    88  
    89  	return cmd.WriteResult(infoResult(d))
    90  }