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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
package admin
import (
"bytes"
"log"
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
func readYAMLFile(dataDir, subdir, id string) ([]byte, string, error) {
path := filepath.Join(dataDir, subdir, id+".yaml")
data, err := os.ReadFile(path)
return data, path, err
}
func writeYAMLFile(path string, data any) ([]byte, error) {
var buf bytes.Buffer
enc := yaml.NewEncoder(&buf)
enc.SetIndent(2)
if err := enc.Encode(data); err != nil {
return nil, err
}
enc.Close()
content := buf.Bytes()
if err := os.WriteFile(path, content, 0644); err != nil {
return nil, err
}
return content, nil
}
func findYAMLFileInSubdirs(dataDir, subdir, id string) ([]byte, string, error) {
base := filepath.Join(dataDir, subdir)
entries, err := os.ReadDir(base)
if err != nil {
return nil, "", err
}
for _, e := range entries {
fullPath := filepath.Join(base, e.Name(), id+".yaml")
if data, err := os.ReadFile(fullPath); err == nil {
return data, fullPath, nil
}
subPath := filepath.Join(base, e.Name())
subEntries, err := os.ReadDir(subPath)
if err != nil {
continue
}
for _, se := range subEntries {
fullPath := filepath.Join(subPath, se.Name(), id+".yaml")
if data, err := os.ReadFile(fullPath); err == nil {
return data, fullPath, nil
}
}
}
return nil, "", os.ErrNotExist
}
func listYAMLFiles(dataDir, subdir string) ([]string, error) {
var ids []string
base := filepath.Join(dataDir, subdir)
entries, err := os.ReadDir(base)
if err != nil {
return nil, err
}
for _, e := range entries {
if !e.IsDir() && filepath.Ext(e.Name()) == ".yaml" {
ids = append(ids, e.Name()[:len(e.Name())-5])
}
}
for _, e := range entries {
if e.IsDir() {
subPath := filepath.Join(base, e.Name())
subEntries, err := os.ReadDir(subPath)
if err != nil {
continue
}
for _, se := range subEntries {
if !se.IsDir() && filepath.Ext(se.Name()) == ".yaml" {
ids = append(ids, se.Name()[:len(se.Name())-5])
}
}
}
}
return ids, nil
}
type YAMLTree struct {
Root []string `json:"root"`
Dirs map[string][]string `json:"dirs"`
}
func listYAMLTree(dataDir, subdir string) (*YAMLTree, error) {
tree := &YAMLTree{Root: []string{}, Dirs: map[string][]string{}}
base := filepath.Join(dataDir, subdir)
entries, err := os.ReadDir(base)
if err != nil {
return nil, err
}
for _, e := range entries {
if !e.IsDir() && filepath.Ext(e.Name()) == ".yaml" {
tree.Root = append(tree.Root, e.Name()[:len(e.Name())-5])
}
}
for _, e := range entries {
if e.IsDir() {
subPath := filepath.Join(base, e.Name())
subEntries, err := os.ReadDir(subPath)
if err != nil {
continue
}
var ids []string
for _, se := range subEntries {
if !se.IsDir() && filepath.Ext(se.Name()) == ".yaml" {
ids = append(ids, se.Name()[:len(se.Name())-5])
}
}
if len(ids) > 0 {
tree.Dirs[e.Name()] = ids
}
}
}
return tree, nil
}
func listYAMLFilesDeep(dataDir, subdir string) ([]string, error) {
var ids []string
base := filepath.Join(dataDir, subdir)
err := filepath.WalkDir(base, func(path string, d os.DirEntry, err error) error {
if err != nil {
return err
}
if !d.IsDir() && filepath.Ext(d.Name()) == ".yaml" {
rel, _ := filepath.Rel(base, path)
id := rel[:len(rel)-5]
ids = append(ids, id)
}
return nil
})
return ids, err
}
func backupFile(path string) []byte {
data, err := os.ReadFile(path)
if err != nil {
log.Printf("backup: WARNING failed to read %s: %v (undo will not be able to restore this file)", path, err)
return nil
}
return data
}
func snapshotFile(path string) ([]byte, error) {
return os.ReadFile(path)
}
|
