[Fleet] Surface new overview dashboards in fleet

[criamico]

Closes #153848

Summary

• Adds two link buttons on top of agent list page to access "Ingest overview" and "Agent Info" dashboards

The links are built using the new URL service locator and the getRedirectLink method;

• Refactoring existing instances of useKibanaLink to use the url locator instead;

These new dashboards were already accessible from the elastic_agent.* datastreams table actions, however I replaced the useKibanaLink hook there as well:

TODO: I don't know where to add the "Integrations" dashboard yet, I'm not sure it should go on the Integrations details page.

Checklist

• Unit or functional tests were updated or added to match the most common scenarios
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser)

[apmmachine]

🤖 GitHub comments

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• /oblt-deploy : Deploy a Kibana instance using the Observability test environments.
• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)

[criamico]

@elasticmachine merge upstream

[elasticmachine]

Pinging @elastic/fleet (Team:Fleet)

[nchaulet]

LGTM 🚀 Can we test that the dashboard really exists in the current space? or at least check the elastic agent is installed?

[criamico]

@nchaulet I think that checking that the elastic agent is installed might be enough - edit: i committed a1c6d4a where the dashboards links are displayed only when totalAgents > 0

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: a1c6d4a

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
fleet	796	798	+2

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	993	994	+1

Async chunks

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

id	before	after	diff
fleet	943.6KB	944.6KB	+1.0KB

Page load bundle

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

id	before	after	diff
fleet	126.2KB	126.7KB	+525.0B

Unknown metric groups

API count

id	before	after	diff
fleet	1098	1099	+1

ESLint disabled line counts

id	before	after	diff
fleet	51	49	-2
securitySolution	432	435	+3
total			+1

Total ESLint disabled count

id	before	after	diff
fleet	61	59	-2
securitySolution	512	515	+3
total			+1

History

• 💛 Build #120164 was flaky d7bd8f5
• 💚 Build #119860 succeeded cc94d5c
• 💔 Build #119808 failed 5788016
• 💔 Build #119797 failed 26981c7
• 💔 Build #119784 failed 05c5b80

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

cc @criamico

[kpollich]

LGTM!

[rsdrakh]

Yeah my deployment cannot find the dashboards... :-)

[ebeahan]

I think that checking that the elastic agent is installed might be enough

Not sure what the experience is like for self-managed, but on cloud, Fleet server registers as an agent so the links to these dashboards appear. Clicking either returns a 404 in Kibana.