-
Notifications
You must be signed in to change notification settings - Fork 43
/
events.go
308 lines (256 loc) · 7.73 KB
/
events.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
package models
import (
"code.cloudfoundry.org/bbs/format"
"github.com/gogo/protobuf/proto"
)
type Event interface {
EventType() string
Key() string
proto.Message
}
const (
EventTypeInvalid = ""
EventTypeDesiredLRPCreated = "desired_lrp_created"
EventTypeDesiredLRPChanged = "desired_lrp_changed"
EventTypeDesiredLRPRemoved = "desired_lrp_removed"
EventTypeActualLRPCreated = "actual_lrp_created" // DEPRECATED
EventTypeActualLRPChanged = "actual_lrp_changed" // DEPRECATED
EventTypeActualLRPRemoved = "actual_lrp_removed" // DEPRECATED
EventTypeActualLRPCrashed = "actual_lrp_crashed"
EventTypeActualLRPInstanceCreated = "actual_lrp_instance_created"
EventTypeActualLRPInstanceChanged = "actual_lrp_instance_changed"
EventTypeActualLRPInstanceRemoved = "actual_lrp_instance_removed"
EventTypeTaskCreated = "task_created"
EventTypeTaskChanged = "task_changed"
EventTypeTaskRemoved = "task_removed"
)
// Downgrade the DesiredLRPEvent payload (i.e. DesiredLRP(s)) to the given
// target version
func VersionDesiredLRPsTo(event Event, target format.Version) Event {
switch event := event.(type) {
case *DesiredLRPCreatedEvent:
return NewDesiredLRPCreatedEvent(event.DesiredLrp.VersionDownTo(target))
case *DesiredLRPRemovedEvent:
return NewDesiredLRPRemovedEvent(event.DesiredLrp.VersionDownTo(target))
case *DesiredLRPChangedEvent:
return NewDesiredLRPChangedEvent(
event.Before.VersionDownTo(target),
event.After.VersionDownTo(target),
)
default:
return event
}
}
// Downgrade the TaskEvent payload (i.e. Task(s)) to the given target version
func VersionTaskDefinitionsTo(event Event, target format.Version) Event {
switch event := event.(type) {
case *TaskCreatedEvent:
return NewTaskCreatedEvent(event.Task.VersionDownTo(target))
case *TaskRemovedEvent:
return NewTaskRemovedEvent(event.Task.VersionDownTo(target))
case *TaskChangedEvent:
return NewTaskChangedEvent(event.Before.VersionDownTo(target), event.After.VersionDownTo(target))
default:
return event
}
}
func NewDesiredLRPCreatedEvent(desiredLRP *DesiredLRP) *DesiredLRPCreatedEvent {
return &DesiredLRPCreatedEvent{
DesiredLrp: desiredLRP,
}
}
func (event *DesiredLRPCreatedEvent) EventType() string {
return EventTypeDesiredLRPCreated
}
func (event *DesiredLRPCreatedEvent) Key() string {
return event.DesiredLrp.GetProcessGuid()
}
func NewDesiredLRPChangedEvent(before, after *DesiredLRP) *DesiredLRPChangedEvent {
return &DesiredLRPChangedEvent{
Before: before,
After: after,
}
}
func (event *DesiredLRPChangedEvent) EventType() string {
return EventTypeDesiredLRPChanged
}
func (event *DesiredLRPChangedEvent) Key() string {
return event.Before.GetProcessGuid()
}
func NewDesiredLRPRemovedEvent(desiredLRP *DesiredLRP) *DesiredLRPRemovedEvent {
return &DesiredLRPRemovedEvent{
DesiredLrp: desiredLRP,
}
}
func (event *DesiredLRPRemovedEvent) EventType() string {
return EventTypeDesiredLRPRemoved
}
func (event DesiredLRPRemovedEvent) Key() string {
return event.DesiredLrp.GetProcessGuid()
}
// FIXME: change the signature
func NewActualLRPInstanceChangedEvent(before, after *ActualLRP) *ActualLRPInstanceChangedEvent {
var (
actualLRPKey ActualLRPKey
actualLRPInstanceKey ActualLRPInstanceKey
)
if (before != nil && before.ActualLRPKey != ActualLRPKey{}) {
actualLRPKey = before.ActualLRPKey
}
if (after != nil && after.ActualLRPKey != ActualLRPKey{}) {
actualLRPKey = after.ActualLRPKey
}
if (before != nil && before.ActualLRPInstanceKey != ActualLRPInstanceKey{}) {
actualLRPInstanceKey = before.ActualLRPInstanceKey
}
if (after != nil && after.ActualLRPInstanceKey != ActualLRPInstanceKey{}) {
actualLRPInstanceKey = after.ActualLRPInstanceKey
}
return &ActualLRPInstanceChangedEvent{
ActualLRPKey: actualLRPKey,
ActualLRPInstanceKey: actualLRPInstanceKey,
Before: before.ToActualLRPInfo(),
After: after.ToActualLRPInfo(),
}
}
func (event *ActualLRPInstanceChangedEvent) EventType() string {
return EventTypeActualLRPInstanceChanged
}
func (event *ActualLRPInstanceChangedEvent) Key() string {
return event.GetInstanceGuid()
}
// DEPRECATED
func NewActualLRPChangedEvent(before, after *ActualLRPGroup) *ActualLRPChangedEvent {
return &ActualLRPChangedEvent{
Before: before,
After: after,
}
}
// DEPRECATED
func (event *ActualLRPChangedEvent) EventType() string {
return EventTypeActualLRPChanged
}
// DEPRECATED
func (event *ActualLRPChangedEvent) Key() string {
actualLRP, _, resolveError := event.Before.Resolve()
if resolveError != nil {
return ""
}
return actualLRP.GetInstanceGuid()
}
func NewActualLRPCrashedEvent(before, after *ActualLRP) *ActualLRPCrashedEvent {
return &ActualLRPCrashedEvent{
ActualLRPKey: after.ActualLRPKey,
ActualLRPInstanceKey: before.ActualLRPInstanceKey,
CrashCount: after.CrashCount,
CrashReason: after.CrashReason,
Since: after.Since,
}
}
func (event *ActualLRPCrashedEvent) EventType() string {
return EventTypeActualLRPCrashed
}
func (event *ActualLRPCrashedEvent) Key() string {
return event.ActualLRPInstanceKey.InstanceGuid
}
// DEPRECATED
func NewActualLRPRemovedEvent(actualLRPGroup *ActualLRPGroup) *ActualLRPRemovedEvent {
return &ActualLRPRemovedEvent{
ActualLrpGroup: actualLRPGroup,
}
}
// DEPRECATED
func (event *ActualLRPRemovedEvent) EventType() string {
return EventTypeActualLRPRemoved
}
// DEPRECATED
func (event *ActualLRPRemovedEvent) Key() string {
actualLRP, _, resolveError := event.ActualLrpGroup.Resolve()
if resolveError != nil {
return ""
}
return actualLRP.GetInstanceGuid()
}
func NewActualLRPInstanceRemovedEvent(actualLrp *ActualLRP) *ActualLRPInstanceRemovedEvent {
return &ActualLRPInstanceRemovedEvent{
ActualLrp: actualLrp,
}
}
func (event *ActualLRPInstanceRemovedEvent) EventType() string {
return EventTypeActualLRPInstanceRemoved
}
func (event *ActualLRPInstanceRemovedEvent) Key() string {
if event.ActualLrp == nil {
return ""
}
return event.ActualLrp.GetInstanceGuid()
}
// DEPRECATED
func NewActualLRPCreatedEvent(actualLRPGroup *ActualLRPGroup) *ActualLRPCreatedEvent {
return &ActualLRPCreatedEvent{
ActualLrpGroup: actualLRPGroup,
}
}
// DEPRECATED
func (event *ActualLRPCreatedEvent) EventType() string {
return EventTypeActualLRPCreated
}
// DEPRECATED
func (event *ActualLRPCreatedEvent) Key() string {
actualLRP, _, resolveError := event.ActualLrpGroup.Resolve()
if resolveError != nil {
return ""
}
return actualLRP.GetInstanceGuid()
}
func NewActualLRPInstanceCreatedEvent(actualLrp *ActualLRP) *ActualLRPInstanceCreatedEvent {
return &ActualLRPInstanceCreatedEvent{
ActualLrp: actualLrp,
}
}
func (event *ActualLRPInstanceCreatedEvent) EventType() string {
return EventTypeActualLRPInstanceCreated
}
func (event *ActualLRPInstanceCreatedEvent) Key() string {
if event.ActualLrp == nil {
return ""
}
return event.ActualLrp.GetInstanceGuid()
}
func (request *EventsByCellId) Validate() error {
return nil
}
func NewTaskCreatedEvent(task *Task) *TaskCreatedEvent {
return &TaskCreatedEvent{
Task: task,
}
}
func (event *TaskCreatedEvent) EventType() string {
return EventTypeTaskCreated
}
func (event *TaskCreatedEvent) Key() string {
return event.Task.GetTaskGuid()
}
func NewTaskChangedEvent(before, after *Task) *TaskChangedEvent {
return &TaskChangedEvent{
Before: before,
After: after,
}
}
func (event *TaskChangedEvent) EventType() string {
return EventTypeTaskChanged
}
func (event *TaskChangedEvent) Key() string {
return event.Before.GetTaskGuid()
}
func NewTaskRemovedEvent(task *Task) *TaskRemovedEvent {
return &TaskRemovedEvent{
Task: task,
}
}
func (event *TaskRemovedEvent) EventType() string {
return EventTypeTaskRemoved
}
func (event TaskRemovedEvent) Key() string {
return event.Task.GetTaskGuid()
}