/
device_deployment.go
406 lines (355 loc) · 13 KB
/
device_deployment.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
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
// Copyright 2023 Northern.tech AS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"encoding/json"
"time"
validation "github.com/go-ozzo/ozzo-validation/v4"
"github.com/go-ozzo/ozzo-validation/v4/is"
"github.com/google/uuid"
"github.com/pkg/errors"
)
var (
ErrDeviceDeploymentStatusMismatch = errors.New(
"model active state does not match status",
)
)
// DeviceDeploymentStatus is an enumerated type showing the status of a device within a deployment
type DeviceDeploymentStatus int32
// Deployment statuses
const (
// The following statuses are distributed evenly by incrementing the
// enum counter's second byte.
// NOTE: when adding new statuses into the list, use the mean value between the
// neighbouring values and append the value AFTER the following list and extend
// the DeviceDeploymentStatus<type>Str constant and allStatuses variable as well
// as the MarshalText and UnmarshalText interface functions.
// See example below.
// WARN: DO NOT CHANGE ANY OF THE FOLLOWING VALUES.
DeviceDeploymentStatusNull DeviceDeploymentStatus = iota << 8 // i=0... {i * 2^8}
DeviceDeploymentStatusFailure
DeviceDeploymentStatusAborted
DeviceDeploymentStatusPauseBeforeInstall
DeviceDeploymentStatusPauseBeforeCommit
DeviceDeploymentStatusPauseBeforeReboot
DeviceDeploymentStatusDownloading
DeviceDeploymentStatusInstalling
DeviceDeploymentStatusRebooting
DeviceDeploymentStatusPending
DeviceDeploymentStatusSuccess
DeviceDeploymentStatusNoArtifact
DeviceDeploymentStatusAlreadyInst
DeviceDeploymentStatusDecommissioned
// DeviceDeploymentStatusNew = (DeviceDeploymentStatusSuccess +
// DeviceDeploymentStatusNoArtifact) / 2
DeviceDeploymentStatusActiveLow = DeviceDeploymentStatusPauseBeforeInstall
DeviceDeploymentStatusActiveHigh = DeviceDeploymentStatusPending
DeviceDeploymentStatusFailureStr = "failure"
DeviceDeploymentStatusAbortedStr = "aborted"
DeviceDeploymentStatusPauseBeforeInstallStr = "pause_before_installing"
DeviceDeploymentStatusPauseBeforeCommitStr = "pause_before_committing"
DeviceDeploymentStatusPauseBeforeRebootStr = "pause_before_rebooting"
DeviceDeploymentStatusDownloadingStr = "downloading"
DeviceDeploymentStatusInstallingStr = "installing"
DeviceDeploymentStatusRebootingStr = "rebooting"
DeviceDeploymentStatusPendingStr = "pending"
DeviceDeploymentStatusSuccessStr = "success"
DeviceDeploymentStatusNoArtifactStr = "noartifact"
DeviceDeploymentStatusAlreadyInstStr = "already-installed"
DeviceDeploymentStatusDecommissionedStr = "decommissioned"
// DeviceDeploymentStatusNew = "lorem-ipsum"
)
const (
DeviceDeploymentStatusPauseStr = "pause"
DeviceDeploymentStatusActiveStr = "active"
DeviceDeploymentStatusFinishedStr = "finished"
)
func NewStatus(status string) DeviceDeploymentStatus {
var stat DeviceDeploymentStatus
_ = stat.UnmarshalText([]byte(status))
return stat
}
var allStatuses = []DeviceDeploymentStatus{
DeviceDeploymentStatusFailure,
DeviceDeploymentStatusPauseBeforeInstall,
DeviceDeploymentStatusPauseBeforeCommit,
DeviceDeploymentStatusPauseBeforeReboot,
DeviceDeploymentStatusDownloading,
DeviceDeploymentStatusInstalling,
DeviceDeploymentStatusRebooting,
DeviceDeploymentStatusPending,
DeviceDeploymentStatusSuccess,
DeviceDeploymentStatusAborted,
DeviceDeploymentStatusNoArtifact,
DeviceDeploymentStatusAlreadyInst,
DeviceDeploymentStatusDecommissioned,
// DeviceDeploymentStatusNew
}
func (stat DeviceDeploymentStatus) MarshalText() ([]byte, error) {
switch stat {
case DeviceDeploymentStatusFailure:
return []byte(DeviceDeploymentStatusFailureStr), nil
case DeviceDeploymentStatusPauseBeforeInstall:
return []byte(DeviceDeploymentStatusPauseBeforeInstallStr), nil
case DeviceDeploymentStatusPauseBeforeCommit:
return []byte(DeviceDeploymentStatusPauseBeforeCommitStr), nil
case DeviceDeploymentStatusPauseBeforeReboot:
return []byte(DeviceDeploymentStatusPauseBeforeRebootStr), nil
case DeviceDeploymentStatusDownloading:
return []byte(DeviceDeploymentStatusDownloadingStr), nil
case DeviceDeploymentStatusInstalling:
return []byte(DeviceDeploymentStatusInstallingStr), nil
case DeviceDeploymentStatusRebooting:
return []byte(DeviceDeploymentStatusRebootingStr), nil
case DeviceDeploymentStatusPending:
return []byte(DeviceDeploymentStatusPendingStr), nil
case DeviceDeploymentStatusSuccess:
return []byte(DeviceDeploymentStatusSuccessStr), nil
case DeviceDeploymentStatusAborted:
return []byte(DeviceDeploymentStatusAbortedStr), nil
case DeviceDeploymentStatusNoArtifact:
return []byte(DeviceDeploymentStatusNoArtifactStr), nil
case DeviceDeploymentStatusAlreadyInst:
return []byte(DeviceDeploymentStatusAlreadyInstStr), nil
case DeviceDeploymentStatusDecommissioned:
return []byte(DeviceDeploymentStatusDecommissionedStr), nil
//case DeviceDeploymentStatusNew:
// return []byte(DeviceDeploymentStatusNewStr), nil
case 0:
return nil, errors.New("invalid status: variable not initialized")
}
return nil, errors.New("invalid status")
}
func (stat DeviceDeploymentStatus) String() string {
ret, err := stat.MarshalText()
if err != nil {
return "invalid"
}
return string(ret)
}
func (stat *DeviceDeploymentStatus) UnmarshalText(b []byte) error {
s := string(b)
switch s {
case DeviceDeploymentStatusFailureStr:
*stat = DeviceDeploymentStatusFailure
case DeviceDeploymentStatusPauseBeforeInstallStr:
*stat = DeviceDeploymentStatusPauseBeforeInstall
case DeviceDeploymentStatusPauseBeforeCommitStr:
*stat = DeviceDeploymentStatusPauseBeforeCommit
case DeviceDeploymentStatusPauseBeforeRebootStr:
*stat = DeviceDeploymentStatusPauseBeforeReboot
case DeviceDeploymentStatusDownloadingStr:
*stat = DeviceDeploymentStatusDownloading
case DeviceDeploymentStatusInstallingStr:
*stat = DeviceDeploymentStatusInstalling
case DeviceDeploymentStatusRebootingStr:
*stat = DeviceDeploymentStatusRebooting
case DeviceDeploymentStatusPendingStr:
*stat = DeviceDeploymentStatusPending
case DeviceDeploymentStatusSuccessStr:
*stat = DeviceDeploymentStatusSuccess
case DeviceDeploymentStatusAbortedStr:
*stat = DeviceDeploymentStatusAborted
case DeviceDeploymentStatusNoArtifactStr:
*stat = DeviceDeploymentStatusNoArtifact
case DeviceDeploymentStatusAlreadyInstStr:
*stat = DeviceDeploymentStatusAlreadyInst
case DeviceDeploymentStatusDecommissionedStr:
*stat = DeviceDeploymentStatusDecommissioned
//case DeviceDeploymentStatusNewStr:
// *stat = DeviceDeploymentStatusNew
default:
return errors.Errorf("invalid status for device '%s'", s)
}
return nil
}
func (stat DeviceDeploymentStatus) Active() bool {
return stat >= DeviceDeploymentStatusActiveLow &&
stat <= DeviceDeploymentStatusActiveHigh
}
// DeviceDeploymentStatus is a helper type for reporting status changes through
// the layers
type DeviceDeploymentState struct {
// status reported by device
Status DeviceDeploymentStatus
// substate reported by device
SubState string `json:",omitempty" bson:",omitempty"`
// finish time
FinishTime *time.Time `json:",omitempty" bson:",omitempty"`
}
func (state DeviceDeploymentState) Validate() error {
return validation.ValidateStruct(&state,
validation.Field(&state.Status, validation.Required),
)
}
type DeviceDeployment struct {
// Active says whether the device's deployment status is in an active
// state - in progress or pending.
Active bool `json:"-" bson:"active"`
// Internal field of initial creation of deployment
Created *time.Time `json:"created" bson:"created"`
// Internal field of start of the deployment (after /next call)
Started *time.Time `json:"started,omitempty" bson:"started"`
// Update finish time
Finished *time.Time `json:"finished,omitempty" bson:"finished,omitempty"`
// Logical deletion time
Deleted *time.Time `json:"deleted,omitempty" bson:"deleted,omitempty"`
// Status
Status DeviceDeploymentStatus `json:"status" bson:"status"`
// Device id
DeviceId string `json:"id" bson:"deviceid"`
// Deployment id
DeploymentId string `json:"-" bson:"deploymentid"`
// ID
Id string `json:"-" bson:"_id"`
// Assigned software image
Image *Image `json:"image,omitempty"`
// deployments/next request from the device
Request *DeploymentNextRequest `json:"-"`
// Presence of deployment log
IsLogAvailable bool `json:"log" bson:"log"`
// Device reported substate
SubState string `json:"substate,omitempty" bson:"substate,omitempty"`
}
func NewDeviceDeployment(deviceId, deploymentId string) *DeviceDeployment {
now := time.Now()
uid, err := uuid.NewRandom()
if err != nil {
panic(errors.Wrap(err, "failed to generate random uuid (v4)"))
}
id := uid.String()
return &DeviceDeployment{
Active: true,
Status: DeviceDeploymentStatusPending,
DeviceId: deviceId,
DeploymentId: deploymentId,
Id: id,
Created: &now,
IsLogAvailable: false,
}
}
func (d DeviceDeployment) Validate() error {
err := validation.ValidateStruct(&d,
validation.Field(&d.Created, validation.Required),
validation.Field(&d.Status, validation.Required, deviceDeploymentStatusValidator{}),
validation.Field(&d.DeviceId, validation.Required),
validation.Field(&d.DeploymentId, validation.Required, is.UUID),
validation.Field(&d.Id, validation.Required, is.UUID),
)
if err != nil {
return err
}
if d.Status.Active() {
if !d.Active {
return ErrDeviceDeploymentStatusMismatch
}
} else if d.Active {
return ErrDeviceDeploymentStatusMismatch
}
return nil
}
// Deployment statistics wrapper, each value carries a count of deployments
// aggregated by state.
type Stats map[string]int
func NewDeviceDeploymentStats() Stats {
s := make(Stats, len(allStatuses))
// populate statuses with 0s
for _, k := range allStatuses {
s[k.String()] = 0
}
return s
}
func (s Stats) Set(status DeviceDeploymentStatus, count int) {
key := status.String()
s[key] = count
}
func (s Stats) Inc(status DeviceDeploymentStatus) {
var count int
key := status.String()
count = s[key]
count++
s[key] = count
}
func (s Stats) Get(status DeviceDeploymentStatus) int {
key := status.String()
return s[key]
}
func IsDeviceDeploymentStatusFinished(status DeviceDeploymentStatus) bool {
if status == DeviceDeploymentStatusFailure || status == DeviceDeploymentStatusSuccess ||
status == DeviceDeploymentStatusNoArtifact || status == DeviceDeploymentStatusAlreadyInst ||
status == DeviceDeploymentStatusAborted || status == DeviceDeploymentStatusDecommissioned {
return true
}
return false
}
// ActiveDeploymentStatuses lists statuses that represent deployment in active state (not finished).
func ActiveDeploymentStatuses() []DeviceDeploymentStatus {
return []DeviceDeploymentStatus{
DeviceDeploymentStatusPending,
DeviceDeploymentStatusDownloading,
DeviceDeploymentStatusInstalling,
DeviceDeploymentStatusRebooting,
DeviceDeploymentStatusPauseBeforeInstall,
DeviceDeploymentStatusPauseBeforeCommit,
DeviceDeploymentStatusPauseBeforeReboot,
}
}
func InactiveDeploymentStatuses() []DeviceDeploymentStatus {
return []DeviceDeploymentStatus{
DeviceDeploymentStatusAlreadyInst,
DeviceDeploymentStatusSuccess,
DeviceDeploymentStatusFailure,
DeviceDeploymentStatusNoArtifact,
DeviceDeploymentStatusAlreadyInst,
DeviceDeploymentStatusAborted,
DeviceDeploymentStatusDecommissioned,
}
}
// InstalledDeviceDeployment describes a deployment currently installed on the
// device, usually reported by a device
type InstalledDeviceDeployment struct {
ArtifactName string `json:"artifact_name"`
DeviceType string `json:"device_type"`
Provides map[string]string `json:"artifact_provides,omitempty"`
}
// DeploymentNextRequest holds a deployments/next request
type DeploymentNextRequest struct {
DeviceProvides *InstalledDeviceDeployment `json:"device_provides"`
UpdateControlMap bool `json:"update_control_map"`
}
func (i *DeploymentNextRequest) Validate() error {
return validation.ValidateStruct(i,
validation.Field(&i.DeviceProvides,
validation.Required,
),
)
}
func (i *DeploymentNextRequest) String() string {
j, err := json.Marshal(i)
if err != nil {
return "invalid request format"
}
return string(j)
}
func (i *InstalledDeviceDeployment) Validate() error {
return validation.ValidateStruct(i,
validation.Field(&i.ArtifactName,
validation.Required, lengthIn1To4096,
),
validation.Field(&i.DeviceType,
validation.Required, lengthIn1To4096,
),
validation.Field(&i.Provides, validation.Each(lengthIn1To4096)),
)
}