Master/Slave configuration

deployments/dns/bind.yaml

@@ -0,0 +1,181 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: bind9
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: bind-master-config
+  namespace: dns
+data:
+  named.conf: |
+    options {
+        directory "/var/cache/bind";
+
+        recursion yes;
+        allow-query { any; };
+
+        listen-on port 53 { any; };
+        listen-on-v6 port 53 { any; };
+
+        forwarders {
+            10.40.0.254;
+        };
+
+        acl "slaves" {
+          10.0.0.0/8;
+        };
+
+        allow-transfer { "slaves"; };
+
+        dnssec-validation auto;
+        include "/etc/named/externaldns-key.conf";
+    };
+
+    zone "." IN {
+        type hint;
+        file "/usr/share/dns/root.hints";
+    };
+
+    zone "hxme.net." IN {
+      type master;
+      file "/etc/bind/db.hxme.net";
+      allow-update { key "externaldns-key"; };
+    };
+  db.hxme.net: |
+    $TTL    3600
+    @       IN      SOA     ns1.hxme.net. admin.hxme.net. (
+                            1         ; Serial
+                            7200      ; Refresh
+                            1800      ; Retry
+                            1209600   ; Expire
+                            86400 )   ; Negative Cache TTL
+    ;
+    @       IN      NS      ns1.hxme.net.
+    ns1     IN      A       10.40.0.110
+    @       IN      A       10.40.0.110
+    www     IN      A       10.40.0.110
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: bind-slave-config
+  namespace: dns
+data:
+  named.conf: |
+    options {
+        directory "/var/cache/bind";
+        recursion yes;
+        allow-query { any; };
+        listen-on port 53 { any; };
+        listen-on-v6 port 53 { any; };
+        dnssec-validation auto;
+    };
+
+    include "/etc/named/tsig-key.conf";
+    
+    zone "example.com" {
+        type slave;
+        masters { bind-master.dns.svc.cluster.local key bind-slave-key; };
+        file "slaves/example.com.db";
+    };
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: bind-master
+  namespace: dns
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: bind-master
+  template:
+    metadata:
+      labels:
+        app: bind-master
+    spec:
+      containers:
+      - name: bind-master
+        image: internetsystemsconsortium/bind9:9.18
+        ports:
+        - containerPort: 53
+          protocol: UDP
+        - containerPort: 53
+          protocol: TCP
+        volumeMounts:
+        - name: config
+          mountPath: /etc/bind/named.conf
+          subPath: named.conf
+        - name: config
+          mountPath: /etc/bind/db.hxme.net
+          subPath: db.hxme.net
+        - name: dns-secrets
+          mountPath: /etc/bind/externaldns-key.conf
+          subPath: externaldns-key.conf
+      volumes:
+      - name: dns-secrets
+        secret:
+          secretName: dns-secrets
+      - name: config
+        configMap:
+          name: bind-master-config
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: bind-slave
+  namespace: dns
+spec:
+  selector:
+    matchLabels:
+      app: bind-slave
+  template:
+    metadata:
+      labels:
+        app: bind-slave
+    spec:
+      containers:
+      - name: bind9
+        image: internetsystemsconsortium/bind9:9.18
+        ports:
+        - containerPort: 53
+          protocol: UDP
+        - containerPort: 53
+          protocol: TCP
+        volumeMounts:
+        - name: config
+          mountPath: /etc/bind/named.conf
+          subPath: named.conf
+        - name: bind-slave-key
+          subPath: tsig-key.conf
+          mountPath: /etc/bind/tsig-key.conf
+      volumes:
+      - name: config
+        configMap:
+          name: bind-slave-config
+      - name: bind-slave-key
+        secret:
+          secretName: bind-slave-key
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: bind9
+  namespace: dns
+spec:
+  type: LoadBalancer
+  selector:
+    app: bind-slave
+  ports:
+    - name: dns-udp
+      port: 53
+      targetPort: 53
+      protocol: UDP
+    - name: dns-tcp
+      port: 53
+      targetPort: 53
+      protocol: TCP
+