1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2024 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package ctlcmd
import (
"errors"
"fmt"
"strings"
"github.com/snapcore/snapd/i18n"
"github.com/snapcore/snapd/overlord/confdbstate"
)
type failCommand struct {
baseCommand
Positional struct {
Reason string `positional-args:"true" positional-arg-name:":<rejection-reason>"`
} `positional-args:"yes" required:"yes"`
}
var shortFailHelp = i18n.G("Fail a confdb change")
var longFailHelp = i18n.G(`
The fail command rejects the confdb changes currently being proposed,
providing a reason for the rejection. It may only be used in a
change-view-<plug> hook.
`)
func init() {
info := addCommand("fail", shortFailHelp, longFailHelp, func() command {
return &failCommand{}
})
info.hidden = true
}
func (c *failCommand) Execute(args []string) error {
ctx, err := c.ensureContext()
if err != nil {
return err
}
if err := validateConfdbsFeatureFlag(ctx.State()); err != nil {
return err
}
ctx.Lock()
defer ctx.Unlock()
if ctx.IsEphemeral() || !strings.HasPrefix(ctx.HookName(), "change-view-") {
return errors.New(i18n.G(`cannot use "snapctl fail" outside of a "change-view" hook`))
}
t, _ := ctx.Task()
tx, _, saveChanges, err := confdbstate.GetStoredTransaction(t)
if err != nil {
return fmt.Errorf(i18n.G("internal error: cannot get confdb transaction to fail: %v"), err)
}
tx.Abort(ctx.InstanceName(), c.Positional.Reason)
saveChanges()
return nil
}
|
