-
Notifications
You must be signed in to change notification settings - Fork 17
/
unit.go
75 lines (65 loc) · 2.11 KB
/
unit.go
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
// Copyright 2015 CoreOS, Inc.
//
// 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 util
import (
"fmt"
"os"
"path/filepath"
"github.com/coreos/ignition/config/types"
)
const (
presetPath string = "/etc/systemd/system-preset/20-ignition.preset"
DefaultPresetPermissions os.FileMode = 0644
)
func FileFromSystemdUnit(unit types.SystemdUnit) *File {
return &File{
Path: types.Path(filepath.Join(SystemdUnitsPath(), string(unit.Name))),
Contents: []byte(unit.Contents),
Mode: DefaultFilePermissions,
}
}
func FileFromNetworkdUnit(unit types.NetworkdUnit) *File {
return &File{
Path: types.Path(filepath.Join(NetworkdUnitsPath(), string(unit.Name))),
Contents: []byte(unit.Contents),
Mode: DefaultFilePermissions,
}
}
func FileFromUnitDropin(unit types.SystemdUnit, dropin types.SystemdUnitDropIn) *File {
return &File{
Path: types.Path(filepath.Join(SystemdDropinsPath(string(unit.Name)), string(dropin.Name))),
Contents: []byte(dropin.Contents),
Mode: DefaultFilePermissions,
}
}
func (u Util) MaskUnit(unit types.SystemdUnit) error {
path := u.JoinPath(SystemdUnitsPath(), string(unit.Name))
if err := mkdirForFile(path); err != nil {
return err
}
return os.Symlink("/dev/null", path)
}
func (u Util) EnableUnit(unit types.SystemdUnit) error {
path := u.JoinPath(presetPath)
if err := mkdirForFile(path); err != nil {
return err
}
file, err := os.OpenFile(path, os.O_RDWR|os.O_APPEND|os.O_CREATE, DefaultPresetPermissions)
if err != nil {
return err
}
defer file.Close()
_, err = file.WriteString(fmt.Sprintf("enable %s\n", unit.Name))
return err
}