Add or update runbooks for alarms of anomalous behavior

[krysal]

Fixes

Pairing PR for WordPress/openverse-infrastructure#708 so it's related to the same issues:
Related to #2500 by @sarayourfriend
Related to #2504 by @sarayourfriend
Related to #2505 by @sarayourfriend

Description

Add the runbooks for anomalous behavior alarms, for both the API and Nuxt app, deleting the now unuseful *_request_count_above_threshold runbooks, due to these alarms being deleted.

Testing Instructions

Just proofread the docs from the generated links in a comment below.

Checklist

• My pull request has a descriptive title (not a vague title likeUpdate index.md).
• My pull request targets the default branch of the repository (main) or a parent feature branch.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.
• I ran the DAG documentation generator (if applicable).

Developer Certificate of Origin

Developer Certificate of Origin

Developer Certificate of Origin
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Developer's Certificate of Origin 1.1

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[github-actions]

Full-stack documentation: https://docs.openverse.org/_preview/3420

Please note that GitHub pages takes a little time to deploy newly pushed code, if the links above don't work or you see old versions, wait 5 minutes and try again.

You can check the GitHub pages deployment action list to see the current status of the deployments.

New files ➕:

• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_request_count_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_avg_response_time_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_http_2xx_under_threshold.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_http_5xx_above_threshold.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_p99_response_time_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_request_count_anomaly.html

Changed files 🔄:

• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_thumbnails_avg_response_time_above_threshold.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_thumbnails_avg_response_time_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_thumbnails_p99_response_time_above_threshold.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_thumbnails_p99_response_time_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/api_thumbnails_request_count_anomaly.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/index.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_avg_response_time_above_threshold.html
• https://docs.openverse.org/_preview/3420/meta/monitoring/runbooks/nuxt_p99_response_time_above_threshold.html

[sarayourfriend]

👍

[openverse-bot]

Based on the high urgency of this PR, the following reviewers are being gently reminded to review this PR:

@obulat
@dhruvkb
This reminder is being automatically generated due to the urgency configuration.

Excluding weekend¹ days, this PR was ready for review 4 day(s) ago. PRs labelled with high urgency are expected to be reviewed within 2 weekday(s)².

@krysal, if this PR is not ready for a review, please draft it to prevent reviewers from getting further unnecessary pings.

Footnotes

1. Specifically, Saturday and Sunday. ↩

2. For the purpose of these reminders we treat Monday - Friday as weekdays. Please note that the operation that generates these reminders runs at midnight UTC on Monday - Friday. This means that depending on your timezone, you may be pinged outside of the expected range. ↩

[krysal]

Rebased with main and fixed the status of the P99 Nuxt alarms. Merging now.