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Properly dedup signal request ID #1558

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merged 2 commits into from
May 20, 2021
Merged

Properly dedup signal request ID #1558

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3003c3b
Properly dedup signal request ID
wxing1292 May 20, 2021
e20d511
add test
wxing1292 May 20, 2021
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35 changes: 18 additions & 17 deletions service/history/historyEngine.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1830,21 +1830,24 @@ func (e *historyEngineImpl) SignalWorkflowExecution(
namespaceID,
execution,
func(context workflowExecutionContext, mutableState mutableState) (*updateWorkflowAction, error) {
executionInfo := mutableState.GetExecutionInfo()
createWorkflowTask := true
// Do not create workflow task when the workflow is cron and the cron has not been started yet
if mutableState.GetExecutionInfo().CronSchedule != "" && !mutableState.HasProcessedOrPendingWorkflowTask() {
createWorkflowTask = false
}
postActions := &updateWorkflowAction{
noop: false,
createWorkflowTask: createWorkflowTask,
if request.GetRequestId() != "" && mutableState.IsSignalRequested(request.GetRequestId()) {
return &updateWorkflowAction{
noop: true,
createWorkflowTask: false,
}, nil
}

if !mutableState.IsWorkflowExecutionRunning() {
return nil, ErrWorkflowCompleted
}

executionInfo := mutableState.GetExecutionInfo()
createWorkflowTask := true
// Do not create workflow task when the workflow is cron and the cron has not been started yet
if executionInfo.CronSchedule != "" && !mutableState.HasProcessedOrPendingWorkflowTask() {
createWorkflowTask = false
}

maxAllowedSignals := e.config.MaximumSignalsPerExecution(namespaceEntry.GetInfo().Name)
if maxAllowedSignals > 0 && int(executionInfo.SignalCount) >= maxAllowedSignals {
e.logger.Info("Execution limit reached for maximum signals", tag.WorkflowSignalCount(executionInfo.SignalCount),
Expand All @@ -1863,22 +1866,20 @@ func (e *historyEngineImpl) SignalWorkflowExecution(
}
}

// deduplicate by request id for signal workflow task
if requestID := request.GetRequestId(); requestID != "" {
if mutableState.IsSignalRequested(requestID) {
return postActions, nil
}
mutableState.AddSignalRequested(requestID)
if request.GetRequestId() != "" {
mutableState.AddSignalRequested(request.GetRequestId())
}

if _, err := mutableState.AddWorkflowExecutionSignaled(
request.GetSignalName(),
request.GetInput(),
request.GetIdentity()); err != nil {
return nil, serviceerror.NewInternal("Unable to signal workflow execution.")
}

return postActions, nil
return &updateWorkflowAction{
noop: false,
createWorkflowTask: createWorkflowTask,
}, nil
})
}

Expand Down