-
Notifications
You must be signed in to change notification settings - Fork 44
/
instance_utils.go
339 lines (290 loc) · 8.84 KB
/
instance_utils.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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
package instance
import (
"encoding/json"
"fmt"
"sync"
"github.com/scaleway/scaleway-sdk-go/internal/errors"
"github.com/scaleway/scaleway-sdk-go/scw"
)
var (
resourceLock sync.Map
)
// lockResource locks a resource from a specific resourceID
func lockResource(resourceID string) *sync.Mutex {
v, _ := resourceLock.LoadOrStore(resourceID, &sync.Mutex{})
mutex := v.(*sync.Mutex)
mutex.Lock()
return mutex
}
// lockServer locks a server from its zone and its ID
func lockServer(zone scw.Zone, serverID string) *sync.Mutex {
return lockResource(fmt.Sprint("server", zone, serverID))
}
// AttachIPRequest contains the parameters to attach an IP to a server
type AttachIPRequest struct {
Zone scw.Zone `json:"-"`
IP string `json:"-"`
ServerID string `json:"server_id"`
}
// AttachIPResponse contains the updated IP after attaching
type AttachIPResponse struct {
IP *IP
}
// AttachIP attaches an IP to a server.
func (s *API) AttachIP(req *AttachIPRequest, opts ...scw.RequestOption) (*AttachIPResponse, error) {
ipResponse, err := s.updateIP(&updateIPRequest{
Zone: req.Zone,
IP: req.IP,
Server: &NullableStringValue{Value: req.ServerID},
})
if err != nil {
return nil, err
}
return &AttachIPResponse{IP: ipResponse.IP}, nil
}
// DetachIPRequest contains the parameters to detach an IP from a server
type DetachIPRequest struct {
Zone scw.Zone `json:"-"`
IP string `json:"-"`
}
// DetachIPResponse contains the updated IP after detaching
type DetachIPResponse struct {
IP *IP
}
// DetachIP detaches an IP from a server.
func (s *API) DetachIP(req *DetachIPRequest, opts ...scw.RequestOption) (*DetachIPResponse, error) {
ipResponse, err := s.updateIP(&updateIPRequest{
Zone: req.Zone,
IP: req.IP,
Server: &NullableStringValue{Null: true},
})
if err != nil {
return nil, err
}
return &DetachIPResponse{IP: ipResponse.IP}, nil
}
// UpdateIPRequest contains the parameters to update an IP
// if Reverse is an empty string, the reverse will be removed
type UpdateIPRequest struct {
Zone scw.Zone `json:"-"`
IP string `json:"-"`
Reverse *NullableStringValue `json:"reverse"`
}
// UpdateIP updates an IP
func (s *API) UpdateIP(req *UpdateIPRequest, opts ...scw.RequestOption) (*UpdateIPResponse, error) {
ipResponse, err := s.updateIP(&updateIPRequest{
Zone: req.Zone,
IP: req.IP,
Reverse: req.Reverse,
})
if err != nil {
return nil, err
}
return &UpdateIPResponse{IP: ipResponse.IP}, nil
}
// AttachVolumeRequest contains the parameters to attach a volume to a server
type AttachVolumeRequest struct {
Zone scw.Zone `json:"-"`
ServerID string `json:"-"`
VolumeID string `json:"-"`
}
// AttachVolumeResponse contains the updated server after attaching a volume
type AttachVolumeResponse struct {
Server *Server `json:"-"`
}
// volumesToVolumeTemplates converts a map of *Volume to a map of *VolumeTemplate
// so it can be used in a UpdateServer request
func volumesToVolumeTemplates(volumes map[string]*Volume) map[string]*VolumeTemplate {
volumeTemplates := map[string]*VolumeTemplate{}
for key, volume := range volumes {
volumeTemplates[key] = &VolumeTemplate{ID: volume.ID, Name: volume.Name}
}
return volumeTemplates
}
// AttachVolume attaches a volume to a server
//
// Note: Implementation is thread-safe.
func (s *API) AttachVolume(req *AttachVolumeRequest, opts ...scw.RequestOption) (*AttachVolumeResponse, error) {
defer lockServer(req.Zone, req.ServerID).Unlock()
// get server with volumes
getServerResponse, err := s.GetServer(&GetServerRequest{
Zone: req.Zone,
ServerID: req.ServerID,
})
if err != nil {
return nil, err
}
volumes := getServerResponse.Server.Volumes
newVolumes := volumesToVolumeTemplates(volumes)
// add volume to volumes list
// We loop through all the possible volume keys (0 to len(volumes))
// to find a non existing key and assign it to the requested volume.
// A key should always be found. However we return an error if no keys were found.
found := false
for i := 0; i <= len(volumes); i++ {
key := fmt.Sprintf("%d", i)
if _, ok := newVolumes[key]; !ok {
newVolumes[key] = &VolumeTemplate{
ID: req.VolumeID,
// name is ignored on this PATCH
Name: req.VolumeID,
}
found = true
break
}
}
if !found {
return nil, fmt.Errorf("could not find key to attach volume %s", req.VolumeID)
}
// update server
updateServerResponse, err := s.updateServer(&UpdateServerRequest{
Zone: req.Zone,
ServerID: req.ServerID,
Volumes: &newVolumes,
})
if err != nil {
return nil, err
}
return &AttachVolumeResponse{Server: updateServerResponse.Server}, nil
}
// DetachVolumeRequest contains the parameters to detach a volume from a server
type DetachVolumeRequest struct {
Zone scw.Zone `json:"-"`
VolumeID string `json:"-"`
}
// DetachVolumeResponse contains the updated server after detaching a volume
type DetachVolumeResponse struct {
Server *Server `json:"-"`
}
// DetachVolume detaches a volume from a server
//
// Note: Implementation is thread-safe.
func (s *API) DetachVolume(req *DetachVolumeRequest, opts ...scw.RequestOption) (*DetachVolumeResponse, error) {
// get volume
getVolumeResponse, err := s.GetVolume(&GetVolumeRequest{
Zone: req.Zone,
VolumeID: req.VolumeID,
})
if err != nil {
return nil, err
}
if getVolumeResponse.Volume == nil {
return nil, errors.New("expected volume to have value in response")
}
if getVolumeResponse.Volume.Server == nil {
return nil, errors.New("volume should be attached to a server")
}
serverID := getVolumeResponse.Volume.Server.ID
defer lockServer(req.Zone, serverID).Unlock()
// get server with volumes
getServerResponse, err := s.GetServer(&GetServerRequest{
Zone: req.Zone,
ServerID: serverID,
})
if err != nil {
return nil, err
}
volumes := getServerResponse.Server.Volumes
// remove volume from volumes list
for key, volume := range volumes {
if volume.ID == req.VolumeID {
delete(volumes, key)
}
}
newVolumes := volumesToVolumeTemplates(volumes)
// update server
updateServerResponse, err := s.updateServer(&UpdateServerRequest{
Zone: req.Zone,
ServerID: serverID,
Volumes: &newVolumes,
})
if err != nil {
return nil, err
}
return &DetachVolumeResponse{Server: updateServerResponse.Server}, nil
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListServersResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListBootscriptsResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListIPsResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListSecurityGroupRulesResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListSecurityGroupsResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListServersTypesResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListSnapshotsResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListVolumesResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeSetTotalCount should not be used
// Internal usage only
func (r *ListImagesResponse) UnsafeSetTotalCount(totalCount int) {
r.TotalCount = uint32(totalCount)
}
// UnsafeGetTotalCount should not be used
// Internal usage only
func (r *ListServersTypesResponse) UnsafeGetTotalCount() uint32 {
return r.TotalCount
}
// UnsafeAppend should not be used
// Internal usage only
func (r *ListServersTypesResponse) UnsafeAppend(res interface{}) (uint32, scw.SdkError) {
results, ok := res.(*ListServersTypesResponse)
if !ok {
return 0, errors.New("%T type cannot be appended to type %T", res, r)
}
if r.Servers == nil {
r.Servers = make(map[string]*ServerType, len(results.Servers))
}
for name, serverType := range results.Servers {
r.Servers[name] = serverType
}
r.TotalCount += uint32(len(results.Servers))
return uint32(len(results.Servers)), nil
}
func (v *NullableStringValue) UnmarshalJSON(b []byte) error {
if string(b) == "null" {
v.Null = true
return nil
}
var tmp string
if err := json.Unmarshal(b, &tmp); err != nil {
return err
}
v.Null = false
v.Value = tmp
return nil
}
func (v *NullableStringValue) MarshalJSON() ([]byte, error) {
if v.Null {
return []byte("null"), nil
}
return json.Marshal(v.Value)
}