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docs(example): interval requires count #2690

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merged 2 commits into from
Apr 3, 2023

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@meeech meeech commented Apr 2, 2023

docs(example): moved other count up next to interval for visibility

fixes: #2691

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@meeech meeech changed the title doc(examples): interval requires count doc(example): interval requires count Apr 2, 2023
@meeech meeech changed the title doc(example): interval requires count docs(example): interval requires count Apr 2, 2023
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Go Published Test Results

1 947 tests   1 947 ✔️  2m 35s ⏱️
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       1 files           0

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Comparison is base (b84e039) 81.47% compared to head (b8720b8) 81.47%.

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doc(examples): moved other count up next to interval for visibility

Signed-off-by: mitchell amihod <[email protected]>
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@meeech meeech marked this pull request as ready for review April 2, 2023 03:54
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I don't think you need count when interval is specified. The docs clearly say:

"If both interval and count are omitted, the effective count is 1. If only interval is specified, metric runs indefinitely."

I would expect the analysis to keep running indefinitely in absence of the count.

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meeech commented Apr 2, 2023

@agrawroh 1.4.1
Does it make sense for it to run indefinitely when it's an inline step? Then the rollout would never complete? So I suppose the error makes sense in that we wouldnt want people to accidentally put themselves in a rollout that would never progress? Or would the only way out be a manual promote?

Could be the docs are a bit out of date - I could update the pr to update to the docs you pointed out - maybe we need them to be more specific - making the distinction between inline vs background analysis.

In any case, I would defer to the code over the docs - and assume docs need updating.

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agrawroh commented Apr 3, 2023

@agrawroh 1.4.1 Does it make sense for it to run indefinitely when it's an inline step? Then the rollout would never complete? So I suppose the error makes sense in that we wouldnt want people to accidentally put themselves in a rollout that would never progress? Or would the only way out be a manual promote?

Could be the docs are a bit out of date - I could update the pr to update to the docs you pointed out - maybe we need them to be more specific - making the distinction between inline vs background analysis.

In any case, I would defer to the code over the docs - and assume docs need updating.

You definitely need one of interval or count but I'm not convinced that we need to specify both. For example, if I just specify the interval with some success/failure counts, then I'd like the analysis to run and take as many measurements as possible and either fail or succeed based on the specified conditions. I can optionally specify the count to only take N measurements but it shouldn't be required if I have already specified the interval.
cc @harikrongali @zachaller

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meeech commented Apr 3, 2023

@agrawroh I see what you are saying. Could it be this is just a necessity for this particular type of analysis metric - Job when inline?
Or would Job with interval require a failureLimit and we add a new prop for successCount? For this Job metric type not sure how successCondition would work since its just exit code?

@zachaller zachaller merged commit 3a21038 into argoproj:master Apr 3, 2023
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The reason count is needed with interval here is because in the examples the way this template is used is in an inline step which has to have an end, otherwise the step would never complete. In background analysis you need interval but not count because it will just run till the rollout is done. I agree docs could probably be updated around this.

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This PR just fixes the case for how this template is used within the examples folder.

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doc(examples): interval requires count
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