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/
info.go
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/
info.go
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/*
Copyright (c) 2017 VMware, Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package disk
import (
"context"
"flag"
"fmt"
"io"
"strings"
"text/tabwriter"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/govc/flags"
"github.com/vmware/govmomi/object"
)
type info struct {
*flags.DatastoreFlag
c bool
d bool
p bool
uuid bool
}
func init() {
cli.Register("datastore.disk.info", &info{})
}
func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) {
cmd.DatastoreFlag, ctx = flags.NewDatastoreFlag(ctx)
cmd.DatastoreFlag.Register(ctx, f)
f.BoolVar(&cmd.c, "c", false, "Chain format")
f.BoolVar(&cmd.d, "d", false, "Include datastore in output")
f.BoolVar(&cmd.p, "p", true, "Include parents")
f.BoolVar(&cmd.uuid, "uuid", false, "Include disk UUID")
}
func (cmd *info) Process(ctx context.Context) error {
if err := cmd.DatastoreFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *info) Usage() string {
return "VMDK"
}
func (cmd *info) Description() string {
return `Query VMDK info on DS.
Examples:
govc datastore.disk.info disks/disk1.vmdk`
}
func fullPath(s string) string {
return s
}
func dsPath(s string) string {
var p object.DatastorePath
if p.FromString(s) {
return p.Path
}
return s
}
var infoPath = dsPath
var queryUUID func(string) string
type infoResult []object.VirtualDiskInfo
func (r infoResult) Write(w io.Writer) error {
tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0)
for _, info := range r {
fmt.Fprintf(tw, "Name:\t%s\n", infoPath(info.Name))
if queryUUID != nil {
fmt.Fprintf(tw, " UUID:\t%s\n", queryUUID(info.Name))
}
fmt.Fprintf(tw, " Type:\t%s\n", info.DiskType)
fmt.Fprintf(tw, " Parent:\t%s\n", infoPath(info.Parent))
}
return tw.Flush()
}
type chainResult []object.VirtualDiskInfo
func (r chainResult) Write(w io.Writer) error {
for i, info := range r {
fmt.Fprint(w, strings.Repeat(" ", i*2))
fmt.Fprintln(w, infoPath(info.Name))
}
return nil
}
func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error {
if f.NArg() != 1 {
return flag.ErrHelp
}
dc, err := cmd.Datacenter()
if err != nil {
return err
}
ds, err := cmd.Datastore()
if err != nil {
return err
}
m := object.NewVirtualDiskManager(ds.Client())
if cmd.uuid {
queryUUID = func(name string) string {
id, _ := m.QueryVirtualDiskUuid(ctx, name, dc)
return id
}
}
info, err := m.QueryVirtualDiskInfo(ctx, ds.Path(f.Arg(0)), dc, cmd.p)
if err != nil {
return err
}
if cmd.d {
infoPath = fullPath
}
var r flags.OutputWriter = infoResult(info)
if cmd.c {
r = chainResult(info)
}
return cmd.WriteResult(r)
}