[MD] Update default audit log path (opensearch-project#2793) (opensea…

…rch-project#2794)

- Fix the /tmp path issue seen on windows platform.
- Change audit log to disable by default.

Signed-off-by: Kristen Tian <tyarong@amazon.com>

Signed-off-by: Kristen Tian <tyarong@amazon.com>
(cherry picked from commit d93ea2e)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

# Conflicts:
#	CHANGELOG.md

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/plugins/data_source/README.md

@@ -11,15 +11,15 @@ Update the following configuration in the `opensearch_dashboards.yml` file to ap
 1. The dataSource plugin is disabled by default; to enable it:
    `data_source.enabled: true`
 
-2. The audit trail is enabled by default for logging the access to data source; to disable it:
-   `data_source.audit.enabled: false`
+2. The audit trail is disabled by default for logging the access to data source; to disable it:
+   `data_source.audit.enabled: true`
 
-- Current auditor configuration:
+- Default auditor configuration:
 
 ```yml
 data_source.audit.appender.kind: 'file'
 data_source.audit.appender.layout.kind: 'pattern'
-data_source.audit.appender.path: '/tmp/opensearch-dashboards-data-source-audit.log'
+data_source.audit.appender.path: '<Operating System's Temp Folder>/opensearch-dashboards-data-source-audit.log'
 ```
 
 3. The default encryption-related configuration parameters are:

src/plugins/data_source/audit_config.ts

@@ -4,6 +4,8 @@
  */
 
 import { schema } from '@osd/config-schema';
+import os from 'os';
+import path from 'path';
 // eslint-disable-next-line @osd/eslint/no-restricted-paths
 import { DateConversion } from '../../../src/core/server/logging/layouts/conversions';
 
@@ -36,7 +38,7 @@ export const fileAppenderSchema = schema.object(
         kind: 'pattern',
         highlight: true,
       },
-      path: '/tmp/opensearch-dashboards-data-source-audit.log',
+      path: path.join(os.tmpdir(), 'opensearch-dashboards-data-source-audit.log'),
     },
   }
 );

src/plugins/data_source/config.ts

@@ -34,7 +34,7 @@ export const configSchema = schema.object({
     size: schema.number({ defaultValue: 5 }),
   }),
   audit: schema.object({
-    enabled: schema.boolean({ defaultValue: true }),
+    enabled: schema.boolean({ defaultValue: false }),
     appender: fileAppenderSchema,
   }),
 });