Prevent parsing of jinja delimiters;Revert exotic syntax

ansible/vars/metacluster.yml

@@ -1,3 +1,5 @@
+#jinja2:variable_start_string:'[%' , variable_end_string:'%]'
+
 platform:
 
   k3s:
@@ -20,13 +22,13 @@ components:
       version: 1.3.0
       chart: longhorn/longhorn
       parse_logic: cat values.yaml | yq eval '.. | select(has("repository")) | .repository + ":" + .tag'
-      chart_values:
+      chart_values: |>
         defaultSettings:
           defaultDataPath: /mnt/blockstorage
           defaultReplicaCount: 1
         ingress:
           enabled: true
-          host: storage.\{\{ vapp['metacluster.fqdn'] \}\}
+          host: storage.{{ vapp['metacluster.fqdn'] }}
         persistence:
           defaultClassReplicaCount: 1
 
@@ -35,13 +37,13 @@ components:
       version: 1.9.1  # (= Harbor v2.5.1)
       chart: harbor/harbor
       parse_logic: helm template . | yq --no-doc eval '.. | .image? | select(.)' | sort -u | awk '!/ /'
-      chart_values:
+      chart_values: |>
         expose:
           ingress:
             hosts:
-              core: registry.\{\{ vapp['metacluster.fqdn'] \}\}
-        externalURL: https://registry.\{\{ vapp['metacluster.fqdn'] \}\}
-        harborAdminPassword: "\{\{ vapp['guestinfo.rootpw'] \}\}"
+              core: registry.{{ vapp['metacluster.fqdn'] }}
+        externalURL: https://registry.{{ vapp['metacluster.fqdn'] }}
+        harborAdminPassword: "{{ vapp['guestinfo.rootpw'] }}"
         notary:
           enabled: false
 
@@ -50,18 +52,18 @@ components:
       version: v5.0.9 # (= Gitea v1.16.8)
       chart: gitea-charts/gitea
       parse_logic: helm template . | yq --no-doc eval '.. | .image? | select(.)' | sort -u | sed '/:/!s/$/:latest/'
-      chart_values:
+      chart_values: |>
         gitea:
           admin:
             username: administrator
-            password: "\{\{ vapp['guestinfo.rootpw'] \}\}"
-            email: admin@\{\{ vapp['metacluster.fqdn'] \}\}
+            password: "{{ vapp['guestinfo.rootpw'] }}"
+            email: admin@{{ vapp['metacluster.fqdn'] }}
         image:
           pullPolicy: IfNotPresent
         ingress:
           enabled: true
           hosts:
-            - host: git.\{\{ vapp['metacluster.fqdn'] \}\}
+            - host: git.{{ vapp['metacluster.fqdn'] }}
               paths:
                 - path: /
                   pathType: Prefix