-
Notifications
You must be signed in to change notification settings - Fork 45
/
DiskHandler.go
296 lines (243 loc) · 8.27 KB
/
DiskHandler.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
// Cloud Driver Interface of CB-Spider.
// The CB-Spider is a sub-Framework of the Cloud-Barista Multi-Cloud Project.
// The CB-Spider Mission is to connect all the clouds with a single interface.
//
// * Cloud-Barista: https://github.com/cloud-barista
//
// This is Mock Driver.
//
// by CB-Spider Team, 2022.08.
package resources
import (
"fmt"
"sync"
"time"
cblog "github.com/cloud-barista/cb-log"
irs "github.com/cloud-barista/cb-spider/cloud-control-manager/cloud-driver/interfaces/resources"
_ "github.com/sirupsen/logrus"
)
var diskInfoMap map[string][]*irs.DiskInfo
type MockDiskHandler struct {
MockName string
}
func init() {
// cblog is a global variable.
diskInfoMap = make(map[string][]*irs.DiskInfo)
}
var diskMapLock = new(sync.RWMutex)
// (1) create diskInfo object
// (2) insert diskInfo into global Map
func (diskHandler *MockDiskHandler) CreateDisk(diskReqInfo irs.DiskInfo) (irs.DiskInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called CreateDisk()!")
mockName := diskHandler.MockName
diskReqInfo.IId.SystemId = diskReqInfo.IId.NameId
diskReqInfo.Status = irs.DiskAvailable
diskReqInfo.CreatedTime = time.Now()
if diskReqInfo.DiskType == "default" || diskReqInfo.DiskType == "" {
diskReqInfo.DiskType = "SSD"
}
if diskReqInfo.DiskSize == "default" || diskReqInfo.DiskSize == "" {
diskReqInfo.DiskSize = "512"
}
// (2) insert DiskInfo into global Map
diskMapLock.Lock()
defer diskMapLock.Unlock()
infoList, _ := diskInfoMap[mockName]
infoList = append(infoList, &diskReqInfo)
diskInfoMap[mockName] = infoList
return CloneDiskInfo(diskReqInfo), nil
}
func CloneDiskInfoList(srcInfoList []*irs.DiskInfo) []*irs.DiskInfo {
clonedInfoList := []*irs.DiskInfo{}
for _, srcInfo := range srcInfoList {
clonedInfo := CloneDiskInfo(*srcInfo)
clonedInfoList = append(clonedInfoList, &clonedInfo)
}
return clonedInfoList
}
func CloneDiskInfo(srcInfo irs.DiskInfo) irs.DiskInfo {
/*
type DiskInfo struct {
IId IID // {NameId, SystemId}
DiskType string // "", "SSD(gp2)", "Premium SSD", ...
DiskSize string // "", "default", "50", "1000" # (GB)
Status DiskStatus // DiskCreating | DiskAvailable | DiskAttached | DiskDeleting | DiskError
OwnerVM IID // When the Status is DiskAttached
CreatedTime time.Time
KeyValueList []KeyValue
}
*/
// clone DiskInfo
clonedInfo := irs.DiskInfo{
IId: irs.IID{srcInfo.IId.NameId, srcInfo.IId.SystemId},
DiskType: srcInfo.DiskType,
DiskSize: srcInfo.DiskSize,
Status: srcInfo.Status,
OwnerVM: irs.IID{srcInfo.OwnerVM.NameId, srcInfo.OwnerVM.SystemId},
CreatedTime: srcInfo.CreatedTime,
KeyValueList: srcInfo.KeyValueList, // now, do not need cloning
}
return clonedInfo
}
func (diskHandler *MockDiskHandler) ListDisk() ([]*irs.DiskInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called ListDisk()!")
mockName := diskHandler.MockName
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return []*irs.DiskInfo{}, nil
}
// cloning list of Disk
return CloneDiskInfoList(infoList), nil
}
func (diskHandler *MockDiskHandler) GetDisk(iid irs.IID) (irs.DiskInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called GetDisk()!")
mockName := diskHandler.MockName
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return irs.DiskInfo{}, fmt.Errorf("%s Disk does not exist!!", iid.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == iid.NameId {
return CloneDiskInfo(*info), nil
}
}
return irs.DiskInfo{}, fmt.Errorf("%s Disk does not exist!!", iid.NameId)
}
func (diskHandler *MockDiskHandler) ChangeDiskSize(iid irs.IID, size string) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called ChangeDiskSize()!")
mockName := diskHandler.MockName
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s Disk does not exist!!", iid.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == iid.NameId {
info.DiskSize = size
return true, nil
}
}
return false, fmt.Errorf("%s Disk does not exist!!", iid.NameId)
}
func (diskHandler *MockDiskHandler) DeleteDisk(iid irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called DeleteDisk()!")
mockName := diskHandler.MockName
diskMapLock.Lock()
defer diskMapLock.Unlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s Disk does not exist!!", iid.NameId)
}
for idx, info := range infoList {
if info.IId.SystemId == iid.SystemId {
if info.OwnerVM.NameId != "" {
diskDetach(mockName, info.OwnerVM, iid)
}
infoList = append(infoList[:idx], infoList[idx+1:]...)
diskInfoMap[mockName] = infoList
return true, nil
}
}
return false, nil
}
func (diskHandler *MockDiskHandler) AttachDisk(diskIID irs.IID, ownerVM irs.IID) (irs.DiskInfo, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called AttachDisk()!")
mockName := diskHandler.MockName
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return irs.DiskInfo{}, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == diskIID.NameId {
if info.Status == irs.DiskAttached {
return irs.DiskInfo{}, fmt.Errorf("%s Disk is already Attached status!!", diskIID.NameId)
}
if info.Status != irs.DiskAvailable {
return irs.DiskInfo{}, fmt.Errorf("%s Disk is not Available status!! It is %s status", diskIID.NameId, info.Status)
}
info.OwnerVM = ownerVM
info.Status = irs.DiskAttached
diskAttach(mockName, ownerVM, diskIID)
return CloneDiskInfo(*info), nil
}
}
return irs.DiskInfo{}, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
func (diskHandler *MockDiskHandler) DetachDisk(diskIID irs.IID, ownerVM irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called DetachDisk()!")
mockName := diskHandler.MockName
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == diskIID.NameId {
if info.Status != irs.DiskAttached {
return false, fmt.Errorf("%s Disk is not Attached status!!. It is %s status", diskIID.NameId, info.Status)
}
diskDetach(mockName, ownerVM, diskIID)
info.Status = irs.DiskAvailable
info.OwnerVM = irs.IID{}
return true, nil
}
}
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
func justAttachDisk(mockName string, diskIID irs.IID, ownerVM irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called justAttachDisk()!")
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == diskIID.NameId {
if info.Status != irs.DiskAvailable {
return false, fmt.Errorf("%s Disk is not Available status!!. It is %s status", diskIID.NameId, info.Status)
}
info.Status = irs.DiskAttached
info.OwnerVM = ownerVM
return true, nil
}
}
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
func justDetachDisk(mockName string, diskIID irs.IID, ownerVM irs.IID) (bool, error) {
cblogger := cblog.GetLogger("CB-SPIDER")
cblogger.Info("Mock Driver: called justDetachDisk()!")
diskMapLock.RLock()
defer diskMapLock.RUnlock()
infoList, ok := diskInfoMap[mockName]
if !ok {
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}
for _, info := range infoList {
if (*info).IId.NameId == diskIID.NameId {
if info.Status != irs.DiskAttached {
return false, fmt.Errorf("%s Disk is not Attached status!!. It is %s status", diskIID.NameId, info.Status)
}
info.Status = irs.DiskAvailable
info.OwnerVM = irs.IID{}
return true, nil
}
}
return false, fmt.Errorf("%s Disk does not exist!!", diskIID.NameId)
}