-
Notifications
You must be signed in to change notification settings - Fork 12
/
folder.go
210 lines (179 loc) · 4.52 KB
/
folder.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
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
// +build !windows
package filesystem
import (
"bytes"
"context"
"encoding/json"
"log"
"os"
"sync"
"syscall"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"github.com/lawrencegripper/azbrowse/internal/pkg/expanders"
"github.com/lawrencegripper/azbrowse/internal/pkg/views"
"github.com/lawrencegripper/azbrowse/pkg/armclient"
)
type Folder struct {
fuse.Dirent
fs *FS
treeNode *expanders.TreeNode
items []*expanders.TreeNode
subFolders []*Folder
indexContent *expanders.ExpanderResponse
canDelete bool
isParentDeleted func() bool
isBeingDeleted bool
mu sync.Mutex
}
var _ fs.Node = (*Folder)(nil)
func (d *Folder) Attr(ctx context.Context, a *fuse.Attr) error {
if d.canDelete {
a.Mode = os.ModeDir | 0700
} else {
a.Mode = os.ModeDir | 0555
}
return nil
}
var _ fs.NodeStringLookuper = (*Folder)(nil)
func (d *Folder) Lookup(ctx context.Context, name string) (fs.Node, error) {
d.mu.Lock()
defer d.mu.Unlock()
if d.isDeleteInProgress() {
return nil, syscall.ENOENT
}
if d.indexContent == nil {
d.LoadNodeFromARM()
}
if name == indexFileName(d.treeNode, d.indexContent) {
file := &File{
treeNode: d.treeNode,
fs: d.fs,
}
content := d.indexContent.Response
if d.indexContent.ResponseType == "JSON" {
var prettyJSON bytes.Buffer
err := json.Indent(&prettyJSON, []byte(d.indexContent.Response), "", " ")
if err != nil {
// todo: log failure to json format
} else {
content = prettyJSON.String()
}
}
file.content.Store(content)
return file, nil
}
for _, treeNode := range d.items {
if nameFromTreeNode(treeNode) == name {
f := &Folder{
treeNode: treeNode,
canDelete: treeNode.DeleteURL != "",
Dirent: fuse.Dirent{
// Inode: uint64(i),
Type: fuse.DT_Dir,
Name: nameFromTreeNode(treeNode),
},
isParentDeleted: func() bool {
d.mu.Lock()
defer d.mu.Unlock()
return d.isBeingDeleted
},
fs: d.fs,
}
d.subFolders = append(d.subFolders, f)
return f, nil
}
}
return nil, syscall.ENOENT
}
var _ fs.NodeRemover = (*Folder)(nil)
func (d *Folder) isDeleteInProgress() bool {
if d.isBeingDeleted || d.isParentDeleted() {
return true
}
return false
}
func (d *Folder) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
if !d.fs.editMode {
log.Println("NOOP: Editing disabled")
return fuse.EPERM
}
d.mu.Lock()
defer d.mu.Unlock()
if d.isDeleteInProgress() {
return nil
}
for _, treeNode := range d.items {
if nameFromTreeNode(treeNode) == req.Name && treeNode.ItemType != "subResource" {
log.Printf("Found matching node '%s' doing delete: %+v", treeNode.Name+treeNode.ItemType, req)
// Mark folder as being deleted
for _, subFolder := range d.subFolders {
if subFolder.Name == req.Name {
func() {
subFolder.mu.Lock()
defer subFolder.mu.Unlock()
subFolder.isBeingDeleted = true
}()
}
}
log.Printf("---> Attemping delete on %s", req.Name)
// Start deletion
// fallback to ARM request to delete
fallback := true
if treeNode.Expander != nil {
deleted, err := treeNode.Expander.Delete(ctx, treeNode)
fallback = (err == nil && !deleted)
}
if fallback {
// fallback to ARM request to delete
if treeNode.DeleteURL == "" {
log.Printf("Delete not supported skipping node '%s' doing delete: %+v", treeNode.Name+treeNode.ItemType, req)
return nil
}
_, err := armclient.LegacyInstance.DoRequest(ctx, "DELETE", treeNode.DeleteURL)
if err != nil {
panic(err)
}
}
log.Printf("Delete complete: %+v", req)
}
}
return nil
}
var _ fs.HandleReadDirAller = (*Folder)(nil)
func (d *Folder) LoadNodeFromARM() {
rootContent, newItems, err := expanders.ExpandItem(ctx, d.treeNode)
if err != nil {
panic(err)
}
if d.fs.demoMode {
rootContent.Response = views.StripSecretVals(rootContent.Response)
}
d.items = newItems
d.indexContent = rootContent
}
func (d *Folder) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
d.mu.Lock()
defer d.mu.Unlock()
if d.isDeleteInProgress() {
return nil, nil
}
if d.indexContent == nil {
d.LoadNodeFromARM()
}
dirItems := make([]fuse.Dirent, len(d.items)+1)
for i, treeNode := range d.items {
dirItems[i] = fuse.Dirent{
// Inode: uint64(i),
Type: fuse.DT_Dir,
Name: nameFromTreeNode(treeNode),
}
}
lastIndex := len(d.items)
dirItems[lastIndex] = fuse.Dirent{
// Inode: uint64(lastIndex),
Type: fuse.DT_File,
Name: indexFileName(d.treeNode, d.indexContent),
}
return dirItems, nil
}