Add debug logging for flaky session tests (elastic#193279)

## Summary

Add settings to the ES Test cluster to enable debug logs so that if this
test fails in the future, we will have more logs to investigate the
issue.

__Related:__ elastic#152260

(cherry picked from commit de51a1a)

x-pack/test/security_api_integration/tests/session_concurrent_limit/cleanup.ts

@@ -25,6 +25,7 @@ import { FtrProviderContext } from '../../ftr_provider_context';
 
 export default function ({ getService }: FtrProviderContext) {
  const supertest = getService('supertestWithoutAuth');
+ const esSupertest = getService('esSupertest');
  const es = getService('es');
  const security = getService('security');
  const esDeleteAllIndices = getService('esDeleteAllIndices');
@@ -150,6 +151,15 @@ export default function ({ getService }: FtrProviderContext) {
  });
  }
 
+ async function addESDebugLoggingSettings() {
+ const addLogging = {
+ persistent: {
+ 'logger.org.elasticsearch.xpack.security.authc': 'debug',
+ },
+ };
+ await esSupertest.put('/_cluster/settings').send(addLogging).expect(200);
+ }
+
  describe('Session Concurrent Limit cleanup', () => {
  before(async () => {
  await security.user.create('anonymous_user', {
@@ -166,6 +176,7 @@ export default function ({ getService }: FtrProviderContext) {
  beforeEach(async function () {
  this.timeout(120000);
  await es.cluster.health({ index: '.kibana_security_session*', wait_for_status: 'green' });
+ await addESDebugLoggingSettings();
  await esDeleteAllIndices('.kibana_security_session*');
  });
 

x-pack/test/security_api_integration/tests/session_concurrent_limit/global_limit.ts

@@ -17,6 +17,7 @@ import { FtrProviderContext } from '../../ftr_provider_context';
 
 export default function ({ getService }: FtrProviderContext) {
  const supertest = getService('supertestWithoutAuth');
+ const esSupertest = getService('esSupertest');
  const es = getService('es');
  const security = getService('security');
  const config = getService('config');
@@ -116,6 +117,15 @@ export default function ({ getService }: FtrProviderContext) {
  .expect(200);
  }
 
+ async function addESDebugLoggingSettings() {
+ const addLogging = {
+ persistent: {
+ 'logger.org.elasticsearch.xpack.security.authc': 'debug',
+ },
+ };
+ await esSupertest.put('/_cluster/settings').send(addLogging).expect(200);
+ }
+
  describe('Session Global Concurrent Limit', () => {
  before(async function () {
  this.timeout(120000);
@@ -138,6 +148,7 @@ export default function ({ getService }: FtrProviderContext) {
  await security.testUser.setRoles(['kibana_admin']);
  await es.indices.refresh({ index: '.kibana_security_session*' });
  await es.cluster.health({ index: '.kibana_security_session*', wait_for_status: 'green' });
+ await addESDebugLoggingSettings();
  await supertest
  .post('/api/security/session/_invalidate')
  .set('kbn-xsrf', 'xxx')

x-pack/test/security_api_integration/tests/session_invalidate/invalidate.ts

@@ -17,6 +17,7 @@ import { FtrProviderContext } from '../../ftr_provider_context';
 
 export default function ({ getService }: FtrProviderContext) {
  const supertest = getService('supertestWithoutAuth');
+ const esSupertest = getService('esSupertest');
  const es = getService('es');
  const security = getService('security');
  const esDeleteAllIndices = getService('esDeleteAllIndices');
@@ -88,9 +89,19 @@ export default function ({ getService }: FtrProviderContext) {
  return cookie;
  }
 
+ async function addESDebugLoggingSettings() {
+ const addLogging = {
+ persistent: {
+ 'logger.org.elasticsearch.xpack.security.authc': 'debug',
+ },
+ };
+ await esSupertest.put('/_cluster/settings').send(addLogging).expect(200);
+ }
+
  describe('Session Invalidate', () => {
  beforeEach(async () => {
  await es.cluster.health({ index: '.kibana_security_session*', wait_for_status: 'green' });
+ await addESDebugLoggingSettings();
  await esDeleteAllIndices('.kibana_security_session*');
  await security.testUser.setRoles(['kibana_admin']);
  });