register 8.x deprecations

[seanstory]

Summary

This PR adds "critical deprecations" to the kibana upgrade assistant. For the ones where we can easily/automatically take action for the user, we also provide new backend routes that these deprecations can hit directly.

Screenshots of what's been added, below.

Enterprise Search Node

Crawler "connector" records

Invalid "native" connector service types

Agentless not available

Fleet Server not available

Checklist

Check the PR satisfies following conditions.

Reviewers should verify this PR satisfies this list as well.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• The PR description includes the appropriate Release Notes section, and the correct release_note:* label is applied per the guidelines

[seanstory]

This PR is now ready for review.

• @danajuratoni @leemthompo I'd love your help with making sure the copy looks right for upgrade guidance.
• @markjhoy tagging you for review as you're overseeing a lot of the decomissioning work, and I could see this being a home/pattern for additional deprecations that need to be added.

[markjhoy]

@seanstory - Overall, I think this is a great start, and I see that this will actually work for the pieces that we need for surfacing the critical for any Enterprise Search nodes.

We had talked about adding in some context for the deployment type (Cloud, ECK, Self-Managed) and possibly changing some of the display text (and for Cloud adding a button to "manage your deployment") - Let me know your thoughts on if you'd want to add it to this PR, or, you would prefer a follow-on PR to this (that I'd probably do). Thanks!

[seanstory]

We had talked about adding in some context for the deployment type (Cloud, ECK, Self-Managed)

I have some logic around this in here. For instance:

• https://github.com/elastic/kibana/pull/205500/files#diff-7167c82ae30c593a283a6770263c30a6f6385b8aae5ef786f5857bd16961c783R38-R74 renders different "steps" for removing Enterprise Search depending on if it's a Cloud/ECE deployment or self-managed.
• https://github.com/elastic/kibana/pull/205500/files#diff-7167c82ae30c593a283a6770263c30a6f6385b8aae5ef786f5857bd16961c783R155 will catch ECE deployments that have Native connectors, but won't have Agentless in 9.x

for Cloud adding a button to "manage your deployment"

I don't recall this discussion, but I don't think this is possible through "registered deprecations." Note that my PR has 0 HTML, and my screenshots show off a framework feature that's powered by these javascript objects. I don't define the "quick resolve" button - that's automagically made for me when I have a

correctiveActions: {
  api: {
    path: <Kibana API Path>
  }
}

So I don't have a way to introduce another button, or hit a Cloud API.

However, I believe that @andrew-moldovan had indicated that this same list of Deprecation messages are exposed through the Cloud portal.

[markjhoy]

I have some logic around this in here. For instance:

Ah - thanks! I missed that while going through the code. Nice.

So I don't have a way to introduce another button, or hit a Cloud API. However, I believe that @andrew-moldovan had indicated that this same list of Deprecation messages are exposed through the Cloud portal.

I thought it was possible - I may be wrong. Would love to see what Andrew might know though. Thanks again.

[andrew-moldovan]

I do believe we show the output of what the Kibana upgrade_assistant status API gives us. This is something that we'll obviously need to test again once this has been merged, so I encourage you to do that. And let us know if it's not looking good and we can look into it

[leemthompo]

Let's wait until the 8.x docs page is live before merging this.

[EDIT: page is live]

page is now live, just need to re-run CI

[elasticmachine]

Pinging @elastic/fleet (Team:Fleet)

[elasticmachine]

💚 Build Succeeded

• Buildkite Build
• Commit: 09be196

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
fleet	1312	1315	+3

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
aiAssistantManagementSelection	96.7KB	96.7KB	+38.0B
lists	146.5KB	146.6KB	+38.0B
total			+76.0B

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
core	448.7KB	448.8KB	+38.0B
enterpriseSearch	53.2KB	53.3KB	+145.0B
total			+183.0B

Unknown metric groups

API count

id	before	after	diff
fleet	1440	1444	+4

History

• 💚 Build #267557 succeeded 4c6fddb
• 💚 Build #267189 succeeded 552fafd
• 💚 Build #265802 succeeded 6369752
• 💔 Build #265762 failed b813a55
• 💔 Build #265635 failed 8d462be
• 💔 Build #265443 failed 26d877b