feat: add coredns config

coredns/coredns-config.yaml

@@ -0,0 +1,47 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: coredns
+  namespace: kube-system
+data:
+  Corefile: |
+    t00n.de:53 {
+      errors
+      forward . 192.168.0.1 192.168.0.9 192.168.0.10
+      cache 300
+      reload
+    }
+
+    t000-n.de:53 {
+        errors
+        forward . 192.168.0.1 192.168.0.9 192.168.0.10
+        cache 300
+        reload
+    }
+
+    .:53 {
+        errors
+        health
+        ready
+        kubernetes cluster.local in-addr.arpa ip6.arpa {
+          pods insecure
+          fallthrough in-addr.arpa ip6.arpa
+        }
+        hosts /etc/coredns/NodeHosts {
+          ttl 60
+          reload 15s
+          fallthrough
+        }
+        prometheus :9153
+        forward . /etc/resolv.conf
+        cache 30
+        loop
+        reload
+        loadbalance
+        import /etc/coredns/custom/*.override
+    }
+    import /etc/coredns/custom/*.server
+  NodeHosts: |
+    192.168.0.50 k3sh0
+    192.168.0.51 k3sh1
+    192.168.0.52 k3sh2