1/*
2Copyright (c) 2014-2017 VMware, Inc. All Rights Reserved.
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8    http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17package guest
18
19import (
20	"context"
21	"flag"
22	"fmt"
23
24	"github.com/vmware/govmomi/govc/cli"
25)
26
27type getenv struct {
28	*GuestFlag
29}
30
31func init() {
32	cli.Register("guest.getenv", &getenv{})
33}
34
35func (cmd *getenv) Register(ctx context.Context, f *flag.FlagSet) {
36	cmd.GuestFlag, ctx = newGuestFlag(ctx)
37	cmd.GuestFlag.Register(ctx, f)
38}
39
40func (cmd *getenv) Process(ctx context.Context) error {
41	if err := cmd.GuestFlag.Process(ctx); err != nil {
42		return err
43	}
44	return nil
45}
46
47func (cmd *getenv) Usage() string {
48	return "[NAME]..."
49}
50
51func (cmd *getenv) Description() string {
52	return `Read NAME environment variables from VM.
53
54Examples:
55  govc guest.getenv -vm $name
56  govc guest.getenv -vm $name HOME`
57}
58
59func (cmd *getenv) Run(ctx context.Context, f *flag.FlagSet) error {
60	m, err := cmd.ProcessManager()
61	if err != nil {
62		return err
63	}
64
65	vars, err := m.ReadEnvironmentVariable(ctx, cmd.Auth(), f.Args())
66	if err != nil {
67		return err
68	}
69
70	for _, v := range vars {
71		fmt.Printf("%s\n", v)
72	}
73
74	return nil
75}
76