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/*
Copyright (c) 2014-2017 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 guest
import (
"context"
"flag"
"fmt"
"os"
"text/tabwriter"
"github.com/vmware/govmomi/govc/cli"
"github.com/vmware/govmomi/units"
"github.com/vmware/govmomi/vim25/types"
)
type ls struct {
*GuestFlag
simple bool
}
func init() {
cli.Register("guest.ls", &ls{})
}
func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
cmd.GuestFlag, ctx = newGuestFlag(ctx)
cmd.GuestFlag.Register(ctx, f)
f.BoolVar(&cmd.simple, "s", false, "Simple path only listing") // sadly we used '-l' for guest login
}
func (cmd *ls) Process(ctx context.Context) error {
if err := cmd.GuestFlag.Process(ctx); err != nil {
return err
}
return nil
}
func (cmd *ls) Usage() string {
return "PATH"
}
func (cmd *ls) Description() string {
return `List PATH files in VM.
Examples:
govc guest.ls -vm $name /tmp`
}
func (cmd *ls) Run(ctx context.Context, f *flag.FlagSet) error {
m, err := cmd.FileManager()
if err != nil {
return err
}
var offset int32
tw := tabwriter.NewWriter(os.Stdout, 2, 0, 2, ' ', 0)
for {
info, err := m.ListFiles(ctx, cmd.Auth(), f.Arg(0), offset, 0, f.Arg(1))
if err != nil {
return err
}
for _, f := range info.Files {
if cmd.simple {
fmt.Fprintln(tw, f.Path)
continue
}
var kind byte
switch types.GuestFileType(f.Type) {
case types.GuestFileTypeDirectory:
kind = 'd'
if f.Size == 0 {
f.Size = 4092
}
case types.GuestFileTypeSymlink:
kind = 'l'
case types.GuestFileTypeFile:
kind = '-'
}
switch x := f.Attributes.(type) {
case *types.GuestPosixFileAttributes:
perm := os.FileMode(x.Permissions).Perm().String()[1:]
fmt.Fprintf(tw, "%c%s\t%d\t%d\t", kind, perm, *x.OwnerId, *x.GroupId)
}
attr := f.Attributes.GetGuestFileAttributes()
fmt.Fprintf(tw, "%s\t%s\t%s", units.FileSize(f.Size), attr.ModificationTime.Format("Jan 2 15:04 2006"), f.Path)
if attr.SymlinkTarget != "" {
fmt.Fprintf(tw, " -> %s", attr.SymlinkTarget)
}
fmt.Fprintln(tw)
}
err = tw.Flush()
if err != nil {
return err
}
if info.Remaining == 0 {
break
}
offset += int32(len(info.Files))
}
return nil
}
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