mirror of
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zeekay
5a601d081b
Full module path rebrand from Temporal to Hanzo Tasks: - go.mod module: github.com/hanzoai/tasks - All internal Go imports updated (1906 files) - cmd/server renamed to cmd/tasksd - Binary name: tasksd (was temporal-server) - Docker images: hanzoai/tasks (was temporalio/server) - README rewritten with Hanzo Tasks branding - LLM.md created with integration notes - Makefile, goreleaser, CI workflows updated - go.temporal.io/sdk and go.temporal.io/api imports preserved (separate repos) Fork of Temporal.io (MIT license).
97 lines
3.0 KiB
Go
97 lines
3.0 KiB
Go
package requestcancelworkflow
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import (
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"context"
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"github.com/hanzoai/tasks/api/historyservice/v1"
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"github.com/hanzoai/tasks/common/definition"
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"github.com/hanzoai/tasks/common/namespace"
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"github.com/hanzoai/tasks/service/history/api"
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"github.com/hanzoai/tasks/service/history/consts"
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historyi "github.com/hanzoai/tasks/service/history/interfaces"
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)
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func Invoke(
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ctx context.Context,
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req *historyservice.RequestCancelWorkflowExecutionRequest,
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shard historyi.ShardContext,
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workflowConsistencyChecker api.WorkflowConsistencyChecker,
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) (resp *historyservice.RequestCancelWorkflowExecutionResponse, retError error) {
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namespaceEntry, err := api.GetActiveNamespace(shard, namespace.ID(req.GetNamespaceId()), req.CancelRequest.WorkflowExecution.WorkflowId)
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if err != nil {
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return nil, err
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}
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namespaceID := namespaceEntry.ID()
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request := req.CancelRequest
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parentExecution := req.ExternalWorkflowExecution
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childWorkflowOnly := req.GetChildWorkflowOnly()
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workflowID := request.WorkflowExecution.WorkflowId
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runID := request.WorkflowExecution.RunId
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firstExecutionRunID := request.FirstExecutionRunId
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if len(firstExecutionRunID) != 0 {
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runID = ""
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}
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err = api.GetAndUpdateWorkflowWithNew(
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ctx,
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nil,
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definition.NewWorkflowKey(
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namespaceID.String(),
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workflowID,
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runID,
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),
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func(workflowLease api.WorkflowLease) (*api.UpdateWorkflowAction, error) {
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mutableState := workflowLease.GetMutableState()
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if !mutableState.IsWorkflowExecutionRunning() {
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// the request to cancel this workflow is a success even
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// if the target workflow has already finished
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return &api.UpdateWorkflowAction{
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Noop: true,
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CreateWorkflowTask: false,
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}, nil
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}
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// There is a workflow execution currently running with the WorkflowID.
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// If user passed in a FirstExecutionRunID with the request to allow cancel to work across runs then
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// let's compare the FirstExecutionRunID on the request to make sure we cancel the correct workflow
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// execution.
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executionInfo := mutableState.GetExecutionInfo()
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if len(firstExecutionRunID) > 0 && executionInfo.FirstExecutionRunId != firstExecutionRunID {
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return nil, consts.ErrWorkflowExecutionNotFound
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}
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if childWorkflowOnly {
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parentWorkflowID := executionInfo.ParentWorkflowId
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parentRunID := executionInfo.ParentRunId
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if parentExecution.GetWorkflowId() != parentWorkflowID ||
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parentExecution.GetRunId() != parentRunID {
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return nil, consts.ErrWorkflowParent
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}
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}
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isCancelRequested := mutableState.IsCancelRequested()
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if isCancelRequested {
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// since cancellation is idempotent
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return &api.UpdateWorkflowAction{
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Noop: true,
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CreateWorkflowTask: false,
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}, nil
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}
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if _, err := mutableState.AddWorkflowExecutionCancelRequestedEvent(req); err != nil {
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return nil, err
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}
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return api.UpdateWorkflowWithNewWorkflowTask, nil
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},
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nil,
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shard,
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workflowConsistencyChecker,
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)
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if err != nil {
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return nil, err
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}
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return &historyservice.RequestCancelWorkflowExecutionResponse{}, nil
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}
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