add external dns

Author: rasheedamir

deploy-all.sh

@@ -7,3 +7,7 @@ cd ..
 cd internal
 ./deploy-internal.sh
 cd ..
+
+cd externaldns
+./deploy-externaldns.sh
+cd ..

externaldns/README.md

@@ -0,0 +1,2 @@
+# externaldns
+

externaldns/deploy-externaldns.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if ! which -s kubectl; then
+  echo "kubectl command not installed"
+  exit 1
+fi
+
+kubectl apply -f externaldns-rbac.yaml
+kubectl apply -f externaldns-deployment.yaml

externaldns/externaldns-deployment.yaml

@@ -0,0 +1,22 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: external-dns
+spec:
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: external-dns
+    spec:
+      containers:
+      - name: external-dns
+        image: registry.opensource.zalan.do/teapot/external-dns:v0.4.5
+        args:
+        - --source=ingress
+        - --domain-filter=theddsandbox.com
+        - --provider=aws
+        - --registry=txt
+        - --txt-owner-id=stakater
+      serviceAccountName: external-dns

externaldns/externaldns-rbac.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: external-dns
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: external-dns-viewer
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: view
+subjects:
+- kind: ServiceAccount
+  name: external-dns
+  namespace: default

externaldns/teardown-externaldns.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if ! which -s kubectl; then
+  echo "kubectl command not installed"
+  exit 1
+fi
+
+kubectl delete -f externaldns-rbac.yaml
+kubectl delete -f externaldns-deployment.yaml

internal/ingress/nginx-ingress-controller-service.yaml

@@ -20,4 +20,4 @@ spec:
   selector:
     k8s-app: internal-ingress-lb
   loadBalancerSourceRanges:
-    - 2.69.164.194/32
+    - 83.226.238.69/32

teardown-all.sh

@@ -7,3 +7,7 @@ cd ..
 cd internal
 ./teardown-internal.sh
 cd ..
+
+cd externaldns
+./teardown-externaldns.sh
+cd ..