Use hieradata options

defaults/main.yml

@@ -2,3 +2,6 @@ coe_host: "https://127.0.0.1:8443"
 kube_context: "kubernetes-admin@kubernetes"
 config_file: "~/.kube/config"
 action: provision
+
+mariadb_config:
+  root_password: weakpassword

tasks/hiera.yml

@@ -11,3 +11,7 @@
       mysql_clustercheck_password: clustercheck_password
       mysql_max_connections: mysql_max_connections
     fact_variable: 'mariadb_config'
+
+- debug:
+    var: mariadb_config
+    verbosity: 2

tasks/provision.yml

@@ -42,10 +42,6 @@
       service.alpha.kubernetes.io/tolerate-unready-endpoints: "false"
   register: create_service
 
-- debug:
-    var: create_service
-    verbosity: 2
-
 - name: Create mariadb deployment
   k8s_v1beta1_stateful_set:
     host: "{{coe_host}}"
@@ -73,7 +69,7 @@
         - name: KOLLA_KUBERNETES
           value: ""
         - name: DB_ROOT_PASSWORD
-          value: weakpassword
+          value: '{{mariadb_config.root_password}}'
         volume_mounts:
         - name: kolla-config
           mountPath: /var/lib/kolla/config_files/
@@ -102,7 +98,7 @@
               },
               {
                 "name": "DB_ROOT_PASSWORD",
-                "value": "weakpassword"
+                "value": "{{mariadb_config.root_password}}"
               }
             ],
             "volumeMounts": [