AydarZaynutdinov commented on a change in pull request #15926:
URL: https://github.com/apache/beam/pull/15926#discussion_r747412275
##########
File path: playground/backend/cmd/server/controller.go
##########
@@ -447,13 +469,27 @@ func processSuccess(ctx context.Context, output []byte,
pipelineId uuid.UUID, ca
setToCache(ctx, cacheService, pipelineId, cache.RunOutput,
string(output))
+ // set to cache pipelineId: cache.Canceled: false to stop
cancelCheck() method
+ setToCache(ctx, cacheService, pipelineId, cache.Canceled, false)
+
+ // set to cache pipelineId: cache.SubKey_Status:
pb.Status_STATUS_FINISHED
setToCache(ctx, cacheService, pipelineId, cache.Status,
pb.Status_STATUS_FINISHED)
}
}
+// processCancel process case when code processing was canceled
+func processCancel(ctx context.Context, cacheService cache.Cache, pipelineId
uuid.UUID) {
+ logger.Infof("%s: was canceled\n", pipelineId)
+
+ // set to cache pipelineId: cache.SubKey_Status:
pb.Status_STATUS_CANCELED
+ setToCache(ctx, cacheService, pipelineId, cache.Status,
pb.Status_STATUS_CANCELED)
Review comment:
It seems that no. According to the current logic after the
`processCancel()` method we return false from the `processStep()` function:
```
func processStep(...) bool {
select {
....
case <-cancelChannel:
processCancel(ctx, cacheService, pipelined)
return false
...
}
return true
}
```
and in the place where we call the `processStep()` we check the result of
this function. If it is false the `processCode()` method finished:
```
func processCode(...) {
...
if !processStep(...) {
return
}
....
}
```
and `defer` part will be called:
```
func processCode(...) {
defer func(lc *fs_tool.LifeCycle) {
finishCtxFunc()
cleanUp(pipelineId, lc)
}(lc)
...
}
```
So using this logic we will call a function to cancel the context.
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