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[8.18] [Security Solution] Enforce sending the request to API even if offline, for air-gapped environment. (#220510)#225102

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jkelas merged 1 commit intoelastic:8.18from
jkelas:backport/8.18/pr-220510
Jun 25, 2025
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[8.18] [Security Solution] Enforce sending the request to API even if offline, for air-gapped environment. (#220510)#225102
jkelas merged 1 commit intoelastic:8.18from
jkelas:backport/8.18/pr-220510

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@jkelas jkelas commented Jun 24, 2025

Backport

This will backport the following commits from main to 8.18:

Questions ?

Please refer to the Backport tool documentation

@jkelas jkelas requested a review from kibanamachine as a code owner June 24, 2025 15:17
@jkelas jkelas added the backport This PR is a backport of another PR label Jun 24, 2025
@jkelas jkelas enabled auto-merge (squash) June 24, 2025 15:17
@botelastic botelastic bot added the Team:Fleet Team label for Observability Data Collection Fleet team label Jun 24, 2025
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Pinging @elastic/fleet (Team:Fleet)

…e, for air-gapped environment. (elastic#220510)

**Resolves: elastic#181808**

## Summary

I am fixing the issue of the Rules and Alerts tabs in Security, as well
as the Fleet tab in Management, that gets stalled in air-gapped
environment. I am doing so by enforcing the request to be sent to the
API even when offline.

### Historical context:
During investigation of the original issue elastic#181808 I proved that Kibana
doesn't try to reach to EPR in the air-gapped environment (that is, with
the `xpack.fleet.isAirGapped: true` flag, and WIFI being turned ON). I
commented this
[here](elastic#181808 (comment))
and we closed the issue. However, @111andre111 reached out to us saying
that this wasn't enough, as the real issue remains, that is, Kibana
doesn't behave properly when:
- `xpack.fleet.isAirGapped` flag is set to `true`
- there is no Internet connection (WIFI off or cable physically
disconnected)

That's why we reopened the ticket and I restarted the investigation.
My first observation was that when I turn off the WIFI, I cannot see
requests to the API being sent in the Network tab in Dev Tools, most
importantly to the `_bootstrap` endpoint at the first entrance to the
Solution app, and other endpoints later. I searched that the browser
discovers being offline and suppresses such calls. When WIFI is back ON,
then the browser sends these requests. That was exactly what I saw in
the Network tab.
I searched and found an option to force browser to always send the
request, regardless of what it thinks about connectivity. Such option,
`networkMode: 'always'`, can be added to TanStackQuery client.

I started working on adding this option to occurences of `useQuery` and
`useMutation`, and immediately sounded success, as the behavior was
correct. However, @xcrzx rigthfully pointed out, that it would be much
better to only add it to one place, that is the configuration of the
QueryClient. I did it, and to my surprise, the problem returned.
I noticed that adding this option to the QueryClient in Fleet solved the
problem in the Fleet tab immediately, but adding this option to the
`SecuritySolutionQueryClient` does nothing, like it was completely
ignored.
I searched different options and spent two more days debugging the
problem, but then, when paired up again with Dmitrii, he found that the
`SecuritySolutionQueryClient` is overshadowed by some other QueryClient
present in the stack of components much below, the `CasesContext`. That
discovery enabled me to add this new setting to the other QueryClient,
and this fixes the issue. However, we think that it will be worth
investigating why we need this second context, as the situation when one
QueryClient overshadows another one, smells badly and may be a source of
other issues as well (I will reach out to the team responsible for the
CasesContext and ask if we can unify this somehow).

## BEFORE

https://github.com/user-attachments/assets/662dab73-b1bd-4d6b-9d15-c35efab679c6

## AFTER

https://github.com/user-attachments/assets/b905bde0-150d-478d-9734-9003fb5bcf66

### Checklist

Check the PR satisfies following conditions.

Reviewers should verify this PR satisfies this list as well.

- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [ ] If a plugin configuration key changed, check if it needs to be
allowlisted in the cloud and added to the [docker
list](https://github.com/elastic/kibana/blob/main/src/dev/build/tasks/os_packages/docker_generator/resources/base/bin/kibana-docker)
- [ ] This was checked for breaking HTTP API changes, and any breaking
changes have been approved by the breaking-change committee. The
`release_note:breaking` label should be applied in these situations.
- [ ] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed
- [ ] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

---------

Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
(cherry picked from commit 7ad35a4)
@jkelas jkelas force-pushed the backport/8.18/pr-220510 branch from e7a40fc to b5f6243 Compare June 25, 2025 07:58
@jkelas jkelas merged commit 9d97e66 into elastic:8.18 Jun 25, 2025
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💚 Build Succeeded

Metrics [docs]

Async chunks

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

id before after diff
fleet 1.8MB 1.8MB +168.0B
securitySolution 9.1MB 9.1MB +528.0B
total +696.0B

Page load bundle

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

id before after diff
cases 143.5KB 143.5KB +84.0B

History

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