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Backport

This will backport the following commits from main to 9.2:

Questions ?

Please refer to the Backport tool documentation

## Summary

Add [Datastream life
cycle](https://www.elastic.co/docs/manage-data/lifecycle/data-stream)
support to the indices metadata plugin.

For data streams using DSL, the plugin now also queries the
`data_retention` and includes it in the EBT document.

Example document returned by `GET _data_stream/<ds
name>/?filter_path=data_streams.name,data_streams.indices,data_streams.lifecycle.enabled,data_streams.lifecycle.data_retention`

```json
{
  "data_streams": [
    {
      "name": "dsl-test",
      "indices": [
        {
          "index_name": ".ds-dsl-test-2025.12.08-000001",
          "index_uuid": "h9nu5fEIQJ-ObVemiXTPqg",
          "managed_by": "Data stream lifecycle",
          "prefer_ilm": true,
          "index_mode": "standard"
        },
        {
          "index_name": ".ds-dsl-test-2025.12.08-000002",
          "index_uuid": "VKp5OURcTIquxTmatmNz3g",
          "managed_by": "Data stream lifecycle",
          "prefer_ilm": true,
          "index_mode": "standard"
        }
      ],
      "lifecycle": {
        "enabled": true,
        "data_retention": "1h"
      }
    }
  ]
}
```

### 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](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)
- [ ]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [x] [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)
- [ ] Review the [backport
guidelines](https://docs.google.com/document/d/1VyN5k91e5OVumlc0Gb9RPa3h1ewuPE705nRtioPiTvY/edit?usp=sharing)
and apply applicable `backport:*` labels.

(cherry picked from commit f6550e8)
@kibanamachine kibanamachine added the backport This PR is a backport of another PR label Dec 8, 2025
@kibanamachine kibanamachine enabled auto-merge (squash) December 8, 2025 19:15
@kibanamachine kibanamachine merged commit d34c2f7 into elastic:9.2 Dec 8, 2025
16 checks passed
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2 participants