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Handle retried node properly #1669

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merged 1 commit into from
Oct 17, 2019
Merged

Handle retried node properly #1669

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35 changes: 21 additions & 14 deletions workflow/controller/operator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1111,7 +1111,7 @@ func (woc *wfOperationCtx) executeTemplate(nodeName string, orgTmpl wfv1.Templat
woc.log.Debugf("Node %s already completed", nodeName)
return node, nil
}
woc.log.Debugf("Executing node %s is %s", nodeName, node.Phase)
woc.log.Debugf("Executing node %s of %s is %s", nodeName, node.Type, node.Phase)
// Memoized nodes don't have StartedAt.
if node.StartedAt.IsZero() {
node.StartedAt = metav1.Time{Time: time.Now().UTC()}
Expand Down Expand Up @@ -1151,42 +1151,49 @@ func (woc *wfOperationCtx) executeTemplate(nodeName string, orgTmpl wfv1.Templat
// This node acts as a parent of all retries that will be done for
// the container. The status of this node should be "Success" if any
// of the retries succeed. Otherwise, it is "Failed".
workNodeName := nodeName
retryNodeName := ""
if processedTmpl.IsLeaf() && processedTmpl.RetryStrategy != nil {
retryNodeName = nodeName
retryParentNode := node
if retryParentNode == nil {
woc.log.Debugf("Inject a retry node for node %s", retryNodeName)
retryParentNode = woc.initializeNode(retryNodeName, wfv1.NodeTypeRetry, orgTmpl, boundaryID, wfv1.NodeRunning)
retryParentNode = woc.initializeExecutableNode(retryNodeName, wfv1.NodeTypeRetry, newTmplCtx, processedTmpl, orgTmpl, boundaryID, wfv1.NodeRunning)
}
processedRetryParentNode, err := woc.processNodeRetries(retryParentNode, *processedTmpl.RetryStrategy)
if err != nil {
woc.log.Errorf("Error: %+v", err)
return woc.markNodeError(retryNodeName, err), err
}
retryParentNode = processedRetryParentNode
// The retry node might have completed by now.
if retryParentNode.Completed() {
woc.log.Errorf("Error: %+v", err)
return retryParentNode, nil
}
lastChildNode, err := woc.getLastChildNode(retryParentNode)
if err != nil {
woc.log.Errorf("Error: %+v", err)
return woc.markNodeError(retryNodeName, err), err
}
if lastChildNode != nil && !lastChildNode.Completed() {
// Last child node is still running.
return retryParentNode, nil
if lastChildNode != nil {
if !lastChildNode.Completed() {
// Last child node is still running.
return retryParentNode, nil
}
// All work is done in a child
nodeName = lastChildNode.Name
node = lastChildNode
} else {
// This is the first try.
nodeName = fmt.Sprintf("%s(%d)", retryNodeName, len(retryParentNode.Children))
node = nil
}
// All work is done in a child
childNodeName := fmt.Sprintf("%s(%d)", retryNodeName, len(retryParentNode.Children))
workNodeName = childNodeName
node = nil
}

// Initialize node based on the template type.
if node == nil {
var nodeType wfv1.NodeType
switch basedTmpl.GetType() {
switch processedTmpl.GetType() {
case wfv1.TemplateTypeContainer, wfv1.TemplateTypeScript, wfv1.TemplateTypeResource:
nodeType = wfv1.NodeTypePod
case wfv1.TemplateTypeSteps:
Expand All @@ -1196,10 +1203,10 @@ func (woc *wfOperationCtx) executeTemplate(nodeName string, orgTmpl wfv1.Templat
case wfv1.TemplateTypeSuspend:
nodeType = wfv1.NodeTypeSuspend
default:
err := errors.InternalErrorf("Template '%s' has unknown node type", basedTmpl.Name)
return woc.initializeNode(workNodeName, wfv1.NodeTypeSkipped, orgTmpl, boundaryID, wfv1.NodeError, err.Error()), err
err := errors.InternalErrorf("Template '%s' has unknown node type", processedTmpl.Name)
return woc.initializeNode(nodeName, wfv1.NodeTypeSkipped, orgTmpl, boundaryID, wfv1.NodeError, err.Error()), err
}
node = woc.initializeExecutableNode(workNodeName, nodeType, newTmplCtx, basedTmpl, orgTmpl, boundaryID, wfv1.NodePending)
node = woc.initializeExecutableNode(nodeName, nodeType, newTmplCtx, processedTmpl, orgTmpl, boundaryID, wfv1.NodePending)
}

switch processedTmpl.GetType() {
Expand Down