Switch to flannel, ignore k8s interfaces for zerotier, hard code dns for both k8s and docker due to systemd resolvd, and disable ipv6

ansible/roles/kubernetes/templates/test-app.yaml

@@ -0,0 +1,73 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: hello
+  labels:
+    app: hello
+spec:
+  ports:
+    - port: 80
+      targetPort: 80
+  selector:
+    app: hello
+  clusterIP: None
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello
+  labels:
+    app: hello
+spec:
+  replicas: 2
+  strategy:
+    type: Recreate
+  selector:
+     matchLabels:
+       app: hello
+  template:
+    metadata:
+      labels:
+        app: hello
+    spec:
+      containers:
+      - image: tutum/hello-world
+        name: hello
+        ports:
+        - containerPort: 80
+          name: http
+        resources:
+          limits:
+            cpu: "0.5"
+            memory: "512Mi"
+          requests:
+            memory: "256Mi"
+            cpu: "0.2"
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 180
+          periodSeconds: 20
+          timeoutSeconds: 10
+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: hello-ingress-external
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    kubernetes.io/tls-acme: "true"
+spec:
+  rules:
+  - host: test.codywimer.com
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: hello
+          servicePort: 80
+  tls:
+    - hosts:
+      - test.codywimer.com
+      secretName: letsencrypt-prod-test