dn

dns/dns.yaml

@@ -15,17 +15,13 @@ metadata:
   namespace: dns
 spec:
   selector: { app: etcd }
-  ipFamilyPolicy: PreferDualStack
-  #ipFamilyPolicy: SingleStack
-  ipFamilies:
-    - IPv6
-    - IPv4
+  ipFamilyPolicy: SingleStack
+  ipFamilies: [IPv6]
   ports:
     - name: client
       port: 2379
       targetPort: 2379
       protocol: TCP
-
 ---
 apiVersion: apps/v1
 kind: Deployment
@@ -34,13 +30,9 @@ metadata:
   namespace: dns
 spec:
   replicas: 1
-  selector:
-    matchLabels:
-      app: etcd
+  selector: { matchLabels: { app: etcd } }
   template:
-    metadata:
-      labels:
-        app: etcd
+    metadata: { labels: { app: etcd } }
     spec:
       containers:
       - name: etcd
@@ -49,12 +41,10 @@ spec:
           - /usr/local/bin/etcd
           - --name=etcd0
           - --data-dir=/var/lib/etcd
-          - --listen-client-urls=http://0.0.0.0:2379
+          - --listen-client-urls=http://[::]:2379
           - --advertise-client-urls=http://etcd.dns.svc:2379
         ports:
-          - name: client
-            containerPort: 2379
-            protocol: TCP
+          - { name: client, containerPort: 2379, protocol: TCP }
         readinessProbe:
           httpGet: { path: /health, port: 2379 }
           initialDelaySeconds: 2
@@ -63,10 +53,7 @@ spec:
           - { name: data, mountPath: /var/lib/etcd }
       volumes:
         - name: data
-          persistentVolumeClaim:
-            claimName: etcd-data
-
-
+          persistentVolumeClaim: { claimName: etcd-data }
 ---
 apiVersion: v1
 kind: ConfigMap