[8.19] Add Edot logging level to central config (#219722)

x-pack/solutions/observability/plugins/apm/common/agent_configuration/runtime_types/logging_level_rt.ts

@@ -0,0 +1,18 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import * as t from 'io-ts';
+
+export const loggingLevelRt = t.union([
+  t.literal('trace'),
+  t.literal('debug'),
+  t.literal('info'),
+  t.literal('warn'),
+  t.literal('error'),
+  t.literal('fatal'),
+  t.literal('off'),
+]);

x-pack/solutions/observability/plugins/apm/common/agent_configuration/setting_definitions/edot_sdk_settings.ts

@@ -7,6 +7,7 @@
 
 import { i18n } from '@kbn/i18n';
 import type { RawSettingDefinition } from './types';
+import { loggingLevelRt } from '../runtime_types/logging_level_rt';
 
 export const edotSDKSettings: RawSettingDefinition[] = [
   {
@@ -45,6 +46,28 @@ export const edotSDKSettings: RawSettingDefinition[] = [
     ),
     includeAgents: ['opentelemetry/java/elastic'],
   },
+  {
+    key: 'logging_level',
+    validation: loggingLevelRt,
+    type: 'select',
+    defaultValue: 'info',
+    label: i18n.translate('xpack.apm.agentConfig.loggingLevel.label', {
+      defaultMessage: 'Logging level',
+    }),
+    description: i18n.translate('xpack.apm.agentConfig.loggingLevel.description', {
+      defaultMessage: 'Sets the logging level for the agent',
+    }),
+    options: [
+      { text: 'trace', value: 'trace' },
+      { text: 'debug', value: 'debug' },
+      { text: 'info', value: 'info' },
+      { text: 'warn', value: 'warn' },
+      { text: 'error', value: 'error' },
+      { text: 'fatal', value: 'fatal' },
+      { text: 'off', value: 'off' },
+    ],
+    includeAgents: ['opentelemetry/java/elastic'],
+  },
   {
     key: 'send_traces',
     type: 'boolean',

x-pack/solutions/observability/plugins/apm/common/agent_configuration/setting_definitions/index.test.ts

@@ -190,14 +190,17 @@ describe('filterByAgent', () => {
     });
 
     it('opentelemetry/java/elastic', () => {
-      expect(getSettingKeysForAgent('opentelemetry/java/elastic')).toEqual([
-        'deactivate_all_instrumentations',
-        'deactivate_instrumentations',
-        'recording',
-        'send_logs',
-        'send_metrics',
-        'send_traces',
-      ]);
+      expect(getSettingKeysForAgent('opentelemetry/java/elastic')).toEqual(
+        expect.arrayContaining([
+          'deactivate_all_instrumentations',
+          'deactivate_instrumentations',
+          'logging_level',
+          'recording',
+          'send_logs',
+          'send_metrics',
+          'send_traces',
+        ])
+      );
     });
 
     it('"All" services (no agent name)', () => {