[8.18] [Search] Fix Add Inference Endpoint API call (#210243) (#210624)

# Backport

This will backport the following commits from `main` to `8.18`:
- [[Search] Fix Add Inference Endpoint API call
(#210243)](#210243)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
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<!--BACKPORT [{"author":{"name":"Samiul
Monir","email":"[email protected]"},"sourceCommit":{"committedDate":"2025-02-11T16:04:58Z","message":"[Search]
Fix Add Inference Endpoint API call (#210243)\n\n## Summary\r\n\r\nThis
PR includes\r\n- Remove `task_settings` from API call\r\n- Remove
`Service_providers` definition from the plugin to use the\r\nglobal
definition.\r\n\r\n### Checklist\r\n\r\nCheck the PR satisfies following
conditions. \r\n\r\nReviewers should verify this PR satisfies this list
as well.\r\n\r\n- [X] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)\r\n-
[X] [Unit or
functional\r\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\r\nwere
updated or added to match the most common
scenarios\r\n\r\n---------\r\n\r\nCo-authored-by: Elastic Machine
<[email protected]>","sha":"2e29a504a749c5ce4bd2f167e38d13e4a7952485","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","v9.0.0","Team:ML","ci:project-deploy-elasticsearch","backport:version","v8.18.0","v9.1.0","v8.19.0"],"title":"[Search]
Fix Add Inference Endpoint API
call","number":210243,"url":"https://github.com/elastic/kibana/pull/210243","mergeCommit":{"message":"[Search]
Fix Add Inference Endpoint API call (#210243)\n\n## Summary\r\n\r\nThis
PR includes\r\n- Remove `task_settings` from API call\r\n- Remove
`Service_providers` definition from the plugin to use the\r\nglobal
definition.\r\n\r\n### Checklist\r\n\r\nCheck the PR satisfies following
conditions. \r\n\r\nReviewers should verify this PR satisfies this list
as well.\r\n\r\n- [X] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)\r\n-
[X] [Unit or
functional\r\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\r\nwere
updated or added to match the most common
scenarios\r\n\r\n---------\r\n\r\nCo-authored-by: Elastic Machine
<[email protected]>","sha":"2e29a504a749c5ce4bd2f167e38d13e4a7952485"}},"sourceBranch":"main","suggestedTargetBranches":["9.0","8.18","8.x"],"targetPullRequestStates":[{"branch":"9.0","label":"v9.0.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"8.18","label":"v8.18.0","branchLabelMappingKey":"^v(\\d+).(\\d+).\\d+$","isSourceBranch":false,"state":"NOT_CREATED"},{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/210243","number":210243,"mergeCommit":{"message":"[Search]
Fix Add Inference Endpoint API call (#210243)\n\n## Summary\r\n\r\nThis
PR includes\r\n- Remove `task_settings` from API call\r\n- Remove
`Service_providers` definition from the plugin to use the\r\nglobal
definition.\r\n\r\n### Checklist\r\n\r\nCheck the PR satisfies following
conditions. \r\n\r\nReviewers should verify this PR satisfies this list
as well.\r\n\r\n- [X] Any text added follows [EUI's
writing\r\nguidelines](https://elastic.github.io/eui/#/guidelines/writing),
uses\r\nsentence case text and includes
[i18n\r\nsupport](https://github.com/elastic/kibana/blob/main/src/platform/packages/shared/kbn-i18n/README.md)\r\n-
[X] [Unit or
functional\r\ntests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)\r\nwere
updated or added to match the most common
scenarios\r\n\r\n---------\r\n\r\nCo-authored-by: Elastic Machine
<[email protected]>","sha":"2e29a504a749c5ce4bd2f167e38d13e4a7952485"}},{"branch":"8.x","label":"v8.19.0","branchLabelMappingKey":"^v8.19.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Samiul Monir <[email protected]>

x-pack/platform/packages/shared/ml/trained_models_utils/src/constants/trained_models.ts

@@ -223,7 +223,7 @@ export interface GetModelDownloadConfigOptions {
 }
 
 export interface LocalInferenceServiceSettings {
-  service: 'elser' | 'elasticsearch';
+  service: 'elasticsearch';
   service_settings: {
     num_allocations: number;
     num_threads: number;

x-pack/platform/plugins/shared/index_management/public/hooks/use_details_page_mappings_model_management.ts

@@ -33,7 +33,7 @@ const getCustomInferenceIdMap = (
     const inferenceEntry = isLocalModel(model)
       ? {
           trainedModelId: model.service_settings.model_id,
-          isDeployable: model.service === Service.elser || model.service === Service.elasticsearch,
+          isDeployable: model.service === Service.elasticsearch,
           isDeployed: modelStatsById[model.inference_id]?.state === 'started',
           isDownloading: Boolean(downloadStates[model.service_settings.model_id]),
           modelStats: modelStatsById[model.inference_id],

x-pack/platform/plugins/shared/inference_endpoint/server/routes/index.ts

@@ -8,12 +8,15 @@
 import type { IKibanaResponse, IRouter, RequestHandlerContext } from '@kbn/core/server';
 import { Logger } from '@kbn/logging';
 import { schema } from '@kbn/config-schema';
-import { InferenceInferenceEndpointInfo } from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
+import {
+  InferenceInferenceEndpointInfo,
+  InferenceTaskType,
+} from '@elastic/elasticsearch/lib/api/typesWithBodyKey';
 
 import { InferenceServicesGetResponse } from '../types';
 import { INFERENCE_ENDPOINT_INTERNAL_API_VERSION } from '../../common';
-import { addInferenceEndpoint } from '../lib/add_inference_endpoint';
 import { inferenceEndpointExists } from '../lib/inference_endpoint_exists';
+import { unflattenObject } from '../utils/unflatten_object';
 
 const inferenceEndpointSchema = schema.object({
   config: schema.object({
@@ -90,7 +93,20 @@ export const getInferenceServicesRoute = (
           const esClient = (await context.core).elasticsearch.client.asCurrentUser;
 
           const { config, secrets } = request.body;
-          const result = await addInferenceEndpoint(esClient, config, secrets);
+
+          const serviceSettings = {
+            ...unflattenObject(config?.providerConfig ?? {}),
+            ...unflattenObject(secrets?.providerSecrets ?? {}),
+          };
+
+          const result = await esClient.inference.put({
+            inference_id: config?.inferenceId ?? '',
+            task_type: config?.taskType as InferenceTaskType,
+            inference_config: {
+              service: config?.provider,
+              service_settings: serviceSettings,
+            },
+          });
 
           return response.ok({
             body: result,