[ML] Exposing ai21 and llama in the services api (elastic#133233)

* Exposing ai21 and llama in the services api

* Fixing tests

Author: jonathan-buttner

x-pack/plugin/inference/qa/inference-service-tests/src/javaRestTest/java/org/elasticsearch/xpack/inference/InferenceGetServicesIT.java

@@ -34,6 +34,7 @@ public void testGetServicesWithoutTaskType() throws IOException {
             allProviders(),
             containsInAnyOrder(
                 List.of(
+                    "ai21",
                     "alibabacloud-ai-search",
                     "amazonbedrock",
                     "anthropic",
@@ -47,6 +48,7 @@ public void testGetServicesWithoutTaskType() throws IOException {
                     "googlevertexai",
                     "hugging_face",
                     "jinaai",
+                    "llama",
                     "mistral",
                     "openai",
                     "streaming_completion_test_service",
@@ -91,6 +93,7 @@ public void testGetServicesWithTextEmbeddingTaskType() throws IOException {
                     "googlevertexai",
                     "hugging_face",
                     "jinaai",
+                    "llama",
                     "mistral",
                     "openai",
                     "text_embedding_test_service",
@@ -131,6 +134,8 @@ public void testGetServicesWithCompletionTaskType() throws IOException {
             providersFor(TaskType.COMPLETION),
             containsInAnyOrder(
                 List.of(
+                    "ai21",
+                    "llama",
                     "alibabacloud-ai-search",
                     "amazonbedrock",
                     "anthropic",
@@ -157,6 +162,8 @@ public void testGetServicesWithChatCompletionTaskType() throws IOException {
             providersFor(TaskType.CHAT_COMPLETION),
             containsInAnyOrder(
                 List.of(
+                    "ai21",
+                    "llama",
                     "deepseek",
                     "elastic",
                     "openai",

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/ai21/Ai21Service.java

@@ -227,12 +227,6 @@ public TransportVersion getMinimalSupportedVersion() {
         return TransportVersions.ML_INFERENCE_AI21_COMPLETION_ADDED;
     }
 
-    @Override
-    public boolean hideFromConfigurationApi() {
-        // The AI21 service is very configurable so we're going to hide it from being exposed in the service API.
-        return true;
-    }
-
     @Override
     public Set<TaskType> supportedStreamingTasks() {
         return EnumSet.of(TaskType.COMPLETION, TaskType.CHAT_COMPLETION);

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/llama/LlamaService.java

@@ -366,12 +366,6 @@ public TransportVersion getMinimalSupportedVersion() {
         return TransportVersions.ML_INFERENCE_LLAMA_ADDED;
     }
 
-    @Override
-    public boolean hideFromConfigurationApi() {
-        // The Llama service is very configurable so we're going to hide it from being exposed in the service API.
-        return true;
-    }
-
     /**
      * Configuration class for the Llama inference service.
      * It provides the settings and configurations required for the service.