From 984c390566a746fcef0ee756102f141de7d1fc99 Mon Sep 17 00:00:00 2001
From: "Quynh Nguyen (Quinn)" <43350163+qn895@users.noreply.github.com>
Date: Mon, 14 Jul 2025 08:07:24 -0500
Subject: [PATCH] [AI Infra] Fix inference id for default EIS ELSER (#227737)

## Summary

Analogous change to
https://github.com/elastic/elasticsearch/pull/130336, related to
https://github.com/elastic/kibana/pull/225852. This PR fixes the naming
mismatch with the rename of the ELSER EIS inference id.

### 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
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and apply applicable `backport:*` labels.

### Identify risks

Does this PR introduce any risks? For example, consider risks like hard
to test bugs, performance regression, potential of data loss.

Describe the risk, its severity, and mitigation for each identified
risk. Invite stakeholders and evaluate how to proceed before merging.

- [ ] [See some risk
examples](https://github.com/elastic/kibana/blob/main/RISK_MATRIX.mdx)
- [ ] ...

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
(cherry picked from commit 6e1f536bf3ac734004d73fe01eab23a3968a1950)
---
 .../shared/ai-infra/inference-common/src/inference_endpoints.ts | 2 +-
 .../services/search/utils/get_indices_for_product_names.test.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/x-pack/platform/packages/shared/ai-infra/inference-common/src/inference_endpoints.ts b/x-pack/platform/packages/shared/ai-infra/inference-common/src/inference_endpoints.ts
index e3e908c7d20ff..77c02becaa88e 100644
--- a/x-pack/platform/packages/shared/ai-infra/inference-common/src/inference_endpoints.ts
+++ b/x-pack/platform/packages/shared/ai-infra/inference-common/src/inference_endpoints.ts
@@ -10,7 +10,7 @@
  */
 export const defaultInferenceEndpoints = {
   ELSER: '.elser-2-elasticsearch',
-  ELSER_IN_EIS_INFERENCE_ID: '.elser-v2-elastic',
+  ELSER_IN_EIS_INFERENCE_ID: '.elser-2-elastic',
   MULTILINGUAL_E5_SMALL: '.multilingual-e5-small-elasticsearch',
 } as const;
 
diff --git a/x-pack/platform/plugins/shared/ai_infra/product_doc_base/server/services/search/utils/get_indices_for_product_names.test.ts b/x-pack/platform/plugins/shared/ai_infra/product_doc_base/server/services/search/utils/get_indices_for_product_names.test.ts
index 8625ce9f521f9..3a02858bcd857 100644
--- a/x-pack/platform/plugins/shared/ai_infra/product_doc_base/server/services/search/utils/get_indices_for_product_names.test.ts
+++ b/x-pack/platform/plugins/shared/ai_infra/product_doc_base/server/services/search/utils/get_indices_for_product_names.test.ts
@@ -21,7 +21,7 @@ describe('getIndicesForProductNames', () => {
     ]);
   });
   it('returns individual index names when ELSER EIS is specified', () => {
-    expect(getIndicesForProductNames(['kibana', 'elasticsearch'], '.elser-v2-elastic')).toEqual([
+    expect(getIndicesForProductNames(['kibana', 'elasticsearch'], '.elser-2-elastic')).toEqual([
       getProductDocIndexName('kibana'),
       getProductDocIndexName('elasticsearch'),
     ]);