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feat: Add default field in parameters.valueFrom #2500

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merged 4 commits into from
Mar 23, 2020

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simster7
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Closes #2494 and #2495.

Adds field default in parameters.valueFrom that specifies a default value to be used when retrieving the otherwise specified value fails.

(Thanks @samath117!)

@simster7 simster7 linked an issue Mar 23, 2020 that may be closed by this pull request
@@ -1801,7 +1801,12 @@ func getTemplateOutputsFromScope(tmpl *wfv1.Template, scope *wfScope) (*wfv1.Out
}
val, err := scope.resolveParameter(param.ValueFrom.Parameter)
if err != nil {
return nil, err
// We have a default value to use instead of returning an error
if param.ValueFrom.Default != "" {
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test?

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I've added an E2E test for this.

}
} else {
log.Infof("Copying %s from from volume mount", param.ValueFrom.Path)
mountedPath := filepath.Join(common.ExecutorMainFilesystemDir, param.ValueFrom.Path)
out, err := ioutil.ReadFile(mountedPath)
if err != nil {
return err
// We have a default value to use instead of returning an error
if param.ValueFrom.Default != "" {
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test?

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I didn't include tests for this because it would be difficult to mock this behavior and I have already included a non-E2E test that covers the same behavior here: https://github.com/argoproj/argo/pull/2500/files#diff-4ed679a69dc8fdd934fb1e7f7c0f3259R109-R139

If you think it's necessary, I can invest the time into mocking this or creating an e2e test

if exErr, ok := err.(*exec.ExitError); ok {
log.Errorf("`%s` stderr:\n%s", cmd.Args, string(exErr.Stderr))
// We have a default value to use instead of returning an error
if param.ValueFrom.Default != "" {
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test?

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I didn't include tests for this because it would be difficult to mock this behavior and I have already included a non-E2E test that covers the same behavior here: https://github.com/argoproj/argo/pull/2500/files#diff-4ed679a69dc8fdd934fb1e7f7c0f3259R109-R139

If you think it's necessary, I can invest the time into mocking this or creating an e2e test

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codecov bot commented Mar 23, 2020

Codecov Report

❗ No coverage uploaded for pull request base (master@33cd4f2). Click here to learn what that means.
The diff coverage is 4%.

Impacted file tree graph

@@            Coverage Diff            @@
##             master    #2500   +/-   ##
=========================================
  Coverage          ?   11.36%           
=========================================
  Files             ?       74           
  Lines             ?    31158           
  Branches          ?        0           
=========================================
  Hits              ?     3540           
  Misses            ?    27143           
  Partials          ?      475
Impacted Files Coverage Δ
pkg/apis/workflow/v1alpha1/workflow_types.go 11.54% <ø> (ø)
workflow/executor/resource.go 0% <0%> (ø)
pkg/apis/workflow/v1alpha1/generated.pb.go 0.45% <0%> (ø)
workflow/controller/operator.go 60.8% <0%> (ø)
workflow/executor/executor.go 4.5% <25%> (ø)

Continue to review full report at Codecov.

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})
}


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File is not goimports-ed with -local github.com/argoproj/argo (from goimports)

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@simster7 simster7 merged commit 09291d9 into argoproj:master Mar 23, 2020
@danxmoran
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Will this be / could this be ported to the 2.7 release branch?

@simster7
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@danxmoran Yup, that's the plan!

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Successfully merging this pull request may close these issues.

Extend default output parameters to steps/dag templates Default output parameters don't work (anymore?)
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