add k8s_cluster_name variable and bump gitea helm chart to 12.0.0

roles/gitea/defaults/main.yaml

@@ -32,7 +32,7 @@ gitea_default_values:
         hosts:
           - "{{ gitea_short_name }}.{{ domain }}"
   
-  redis-cluster:
+  valkey-cluster:
     enabled: false
 
   postgresql-ha:
@@ -153,6 +153,8 @@ gitea_ingress_nginx_default_values:
 
 
 gitea_dns_chart_ref: "bitnami/external-dns"
+gitea_dns_tsigKeyname: "k8s-{{ k8s_cluster_name }}-{{ namespace }}"
+gitea_dns_tsigSecretAlg: "hmac-sha512"
 gitea_dns_default_values:
   fullnameOverride: "{{ gitea_dns_name | default(namespace + '-gitea-internal-dns') }}"
   ingressClassFilters: ["{{ gitea_ingress_class }}"]
@@ -163,8 +165,8 @@ gitea_dns_default_values:
     port: 53
     zone: "{{ domain }}"
     tsigSecret: "{{ k8s_tsig }}"
-    tsigSecretAlg: "{{ gitea_dns_tsigSecretAlg | default('hmac-sha512') }}"
-    tsigKeyname: "{{ gitea_dns_tsigKeyname | default('k8s') }}"
+    tsigSecretAlg: "{{ gitea_dns_tsigSecretAlg }}"
+    tsigKeyname: "{{ gitea_dns_tsigKeyname }}"
     tsigAxfr: true
     ## Possible units [ns, us, ms, s, m, h], see more https://golang.org/pkg/time/#ParseDuration
     minTTL: "30s"