Update Graylog chart version and dependencies; add OpenSearch authentication settings

Author: Thiago Loureiro

charts/graylog/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: graylog
 home: https://www.graylog.org
-version: 2.3.12
+version: 2.3.13
 appVersion: 6.2.3
 description: Graylog is the centralized log management solution built to open
   standards for capturing, storing, and enabling real-time analysis of terabytes
@@ -24,11 +24,11 @@ dependencies:
   - tags:
       - install-mongodb
     name: mongodb
-    version: 13.6.6
+    version: 16.5.21
     repository: https://charts.bitnami.com/bitnami
   - tags:
       - install-opensearch
     name: opensearch
-    version: 2.8.0
+    version: 2.34.0
     repository: https://opensearch-project.github.io/helm-charts
 type: application

charts/graylog/values.yaml

@@ -448,6 +448,11 @@ graylog:
     uriSecretKey: ""
     uriSSL: false
 
+    # OpenSearch authentication
+    username: "admin"
+    password: "{{ .Values.opensearch.adminPassword }}"  # Strong password meeting requirements: uppercase, lowercase, number, special char, >8 chars
+
+
   mongodb:
     ## MongoDB connection string
     ## See https://docs.mongodb.com/manual/reference/connection-string/ for details
@@ -589,11 +594,15 @@ graylog:
 
 opensearch:
   enabled: true
+  # Define the OpenSearch admin password
+  adminPassword: "Graylog@2025"  # Strong password meeting requirements: uppercase, lowercase, number, special char, >8 chars
   extraEnvs:
     - name: plugins.security.ssl.http.enabled
       value: "false"
     - name: plugins.security.disabled
       value: "true"
+    - name: OPENSEARCH_INITIAL_ADMIN_PASSWORD
+      value: "{{ .Values.opensearch.adminPassword }}"
   ## Set default resource very low. This help reduce resources usage on GitHub Action when performing chart-testing.
   opensearchJavaOpts: "-Xmx128M -Xms128M"
   resources: