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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
package borg
import (
_ "embed"
"fmt"
"os"
"log/slog"
"path/filepath"
gonf "git.adyxax.org/adyxax/gonf/pkg"
)
//go:embed borg-script-template
var borg_script_template string
//go:embed systemd-service-template
var systemd_service_template string
//go:embed systemd-timer-template
var systemd_timer_template string
type Job struct {
hostname string
path string
privateKey []byte
}
type BorgClient struct {
chain []gonf.Promise
jobs map[string]*Job // name -> privateKey
path string
status gonf.Status
}
var borgClient *BorgClient = nil
func (b *BorgClient) IfRepaired(p ...gonf.Promise) gonf.Promise {
b.chain = append(b.chain, p...)
return b
}
func (b *BorgClient) Promise() *BorgClient {
if b.status == gonf.DECLARED {
b.status = gonf.PROMISED
gonf.MakeCustomPromise(b).Promise()
}
return b
}
func (b *BorgClient) Resolve() {
b.status = gonf.KEPT
// borg package
switch installBorgPackage() {
case gonf.BROKEN:
b.status = gonf.BROKEN
return
case gonf.REPAIRED:
b.status = gonf.REPAIRED
}
// private key
rootDir := gonf.ModeUserGroup(0700, "root", "root")
rootRO := gonf.ModeUserGroup(0400, "root", "root")
rootRX := gonf.ModeUserGroup(0500, "root", "root")
gonf.Directory("/root/.cache/borg").DirectoriesPermissions(rootDir).Resolve()
gonf.Directory("/root/.config/borg").DirectoriesPermissions(rootDir).Resolve()
systemdSystemPath := "/etc/systemd/system/"
hostname, err := os.Hostname()
if err != nil {
slog.Error("Unable to find current hostname", "err", err)
hostname = "unknown"
}
for name, job := range b.jobs {
gonf.File(filepath.Join(b.path, fmt.Sprintf("%s.key", name))).
DirectoriesPermissions(rootDir).
Permissions(rootRO).Contents(job.privateKey).
Resolve()
gonf.File(filepath.Join(b.path, fmt.Sprintf("%s.sh", name))).
DirectoriesPermissions(rootDir).
Permissions(rootRX).Contents(fmt.Sprintf(borg_script_template,
hostname,
name,
job.path,
hostname, name)).
Resolve()
service_name := fmt.Sprintf("borgbackup-job-%s.service", name)
gonf.File(filepath.Join(systemdSystemPath, service_name)).
DirectoriesPermissions(rootDir).
Permissions(rootRO).Contents(fmt.Sprintf(systemd_service_template,
name,
job.hostname, name,
name,
name)).
Resolve()
timer_name := fmt.Sprintf("borgbackup-job-%s.timer", name)
gonf.File(filepath.Join(systemdSystemPath, timer_name)).
DirectoriesPermissions(rootDir).
Permissions(rootRO).Contents(fmt.Sprintf(systemd_timer_template, name)).
Resolve()
gonf.Service(timer_name).State("enabled", "started").Resolve()
}
}
func (b BorgClient) Status() gonf.Status {
return b.status
}
func Client() *BorgClient {
if borgClient == nil {
borgClient = &BorgClient{
chain: nil,
jobs: make(map[string]*Job),
path: "/etc/borg/",
status: gonf.DECLARED,
}
}
return borgClient
}
func (b *BorgClient) Add(name string, path string, privateKey []byte, hostname string) *BorgClient {
if _, ok := b.jobs[name]; ok {
slog.Debug("Duplicate name for BorgClient", "name", name)
panic("Duplicate name for BorgClient")
}
b.jobs[name] = &Job{
hostname: hostname,
path: path,
privateKey: privateKey,
}
return b
}
|
