verify the opensearch tls cert in the opensearch-dashboards test

Author: labrenbe

tests/templates/kuttl/opensearch-dashboards/20-install-opensearch-dashboards.yaml.j2

@@ -7,6 +7,7 @@ commands:
       --repo https://opensearch-project.github.io/helm-charts
       --version "{{ test_scenario['values']['opensearch'].split(',')[0] }}"
       --values 20_opensearch-dashboards-values.yaml
+      --set opensearchHosts=https://opensearch.$NAMESPACE.svc.cluster.local:9200
       --namespace  $NAMESPACE
       --wait
     timeout: 600

tests/templates/kuttl/opensearch-dashboards/20_opensearch-dashboards-values.yaml.j2

@@ -1,4 +1,3 @@
-opensearchHosts: https://opensearch-nodes-cluster-manager:9200
 image:
   repository: oci.stackable.tech/sdp/opensearch-dashboards
   tag: {{ test_scenario['values']['opensearch'].split(',')[0] }}-stackable0.0.0-dev
@@ -15,3 +14,41 @@ extraEnvs:
       secretKeyRef:
         name: opensearch-credentials
         key: kibanaserver
+config:
+  opensearch_dashboards.yml:
+    opensearch:
+      username: kibanaserver
+      password: kibanaserver
+      requestHeadersWhitelist: [authorization, securitytenant]
+      ssl:
+        verificationMode: full
+        certificateAuthorities: [/stackable/opensearch-dashboards/config/tls/ca.crt]
+    opensearch_security:
+      multitenancy:
+        enabled: true
+        tenants.preferred: [Private, Global]
+      readonly_mode.roles: [kibana_read_only]
+      cookie.secure: false
+extraVolumes:
+  - name: tls
+    ephemeral:
+      volumeClaimTemplate:
+        metadata:
+          annotations:
+            secrets.stackable.tech/class: tls
+        spec:
+          storageClassName: secrets.stackable.tech
+          accessModes:
+            - ReadWriteOnce
+          resources:
+            requests:
+              storage: "1"
+extraVolumeMounts:
+  - name: tls
+    mountPath: /stackable/opensearch-dashboards/config/tls
+    # The Helm chart only adds a volume mount at /usr/share/opensearch-dashboards
+  - mountPath: /stackable/opensearch-dashboards/config/opensearch_dashboards.yml
+    name: config
+    subPath: opensearch_dashboards.yml
+podSecurityContext:
+  fsGroup: 1000