Add support for running a nodelocal dns cache (#3861)

* Add support for running a nodelocal dns cache

After encountering dns issues in a cluster I was recently working on I
noticed Kubernetes 1.13 introduced support for running a nodelocal dns
cache.

I believe this can usefull for more people.

73b548db06
https://github.com/kubernetes/enhancements/blob/master/keps/sig-network/0030-nodelocal-dns-cache.md

* Add requested changes

* Add additional requested changes + documentation

* Add requested changes after review

* Replace incorrect variable

roles/kubernetes-apps/ansible/tasks/cleanup_dns.yml

@@ -13,6 +13,19 @@
   tags:
     - upgrade
 
+- name: Kubernetes Apps | Delete old nodelocalDNS resources
+  kube:
+    name: "nodelocaldns"
+    namespace: "kube-system"
+    kubectl: "{{ bin_dir }}/kubectl"
+    resource: "{{ item }}"
+    state: absent
+  with_items:
+    - 'deamonset'
+    - 'configmap'
+  tags:
+    - upgrade
+
 - name: Kubernetes Apps | Delete kubeadm CoreDNS
   kube:
     name: "coredns"