Add functions to merge step/sidecar overrides #4617
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| @@ -31,61 +31,111 @@ func MergeStepsWithStepTemplate(template *v1.Container, steps []Step) ([]Step, e | |||
| return steps, nil | |||
| } | |||
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| // We need JSON bytes to generate a patch to merge the step containers | |||
| // onto the template container, so marshal the template. | |||
| templateAsJSON, err := json.Marshal(template) | |||
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Probably a bit of an optimization but can we pass the marshall object in mergeObject instead of the template string ? Before this merge we would marshall the template once and the use it in the loop. With this change, we will marshall the template for each steps, even though it never changes.
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Done! Note that the template doesn't change for StepTemplates, but it does change for StepOverrides, so I've provided two separate functions
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This commit adds methods to merge a slice of Step overrides with a slice of Steps. This functionality is necessary for the full implementation of Step and Sidecar overrides. It re-uses the merge process that is used to combine Steps and Step templates; however, the Step is treated as the "template" so that the Step override takes precedence. We do not attempt to validate the resource requirements of the resulting pod; it's possible for the resulting pod to have resource requests > limits, which k8s will reject. This is the same way we currently handle Step template.
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Awesome, cheers @lbernick ! /lgtm |
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Changes
This commit adds methods to merge a slice of Step overrides with a slice of Steps.
This functionality is necessary for the full implementation of Step and Sidecar overrides.
It re-uses the merge process that is used to combine Steps and Step templates;
however, the Step is treated as the "template" so that the Step override takes precedence.
We do not attempt to validate the resource requirements of the resulting pod;
it's possible for the resulting pod to have resource requests > limits, which k8s will reject.
This is the same way we currently handle Step template.
Part 2 of #4326.
This is part of #4598, split out into its own PR.
/kind feature
Submitter Checklist
As the author of this PR, please check off the items in this checklist:
functionality, content, code)
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