[Cases] Limit the number of alerts that can be attached to a case

[cnasikas]

Summary

This PR adds a limit to the maximum number of alerts that can be attached to a case. The limit is set to 1K and is applied to a) the total number of alerts attached to a case and b) the total number of alerts that can be saved in the doc of the cases-comments saved object.

Depends on #129092

Checklist

Delete any items that are not applicable to this PR.

• Unit or functional tests were updated or added to match the most common scenarios

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[elasticmachine]

Pinging @elastic/response-ops (Team:ResponseOps)

[elasticmachine]

Pinging @elastic/response-ops-cases (Feature:Cases)

[academo]

This looks good! Can you add the following tests?:

• Fail when the case already has 1k alerts or more
• Fail when the case already has alerts and the sum of existing and new cases exceed 1k

[cnasikas]

This looks good! Can you add the following tests?:

• Fail when the case already has 1k alerts or more
• Fail when the case already has alerts and the sum of existing and new cases exceed 1k

Thanks! I don't understand the second bullet. The limit is per case not between all cases.

[kibana-ci]

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Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
cases	58	57	-1

History

• 💔 Build #38135 failed 6449a08
• 💔 Build #37528 failed 7c5bbc6a8460a4188bd66013bb8c52e1637191d3

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @cnasikas

[academo]

Thanks for adding the extra tests!