Change RHEL 7 to use dnsmaq and /etc/host to do forward and reverse lookup

fixnet.yml

---
- hosts: all:bastion
  vars:
    description: "Update /etc/hosts"
  tasks:
  - name: setup
    setup:
  - name: "Change PEERDNS=yes to PEERDNS=no"
    replace: 
         dest: /etc/sysconfig/network-scripts/ifcfg-eth0
         regexp: '^PEERDNS=yes$'
         replace: 'PEERDNS=no'
  - name: "Fix ifcfg DNS Entry"
    lineinfile:
         dest: /etc/sysconfig/network-scripts/ifcfg-eth0
         line: 'DNS1=127.0.0.1'
         state: present
  - name: 'Copy and Backup the resolv.conf'
    copy: 
         src: /etc/resolv.conf
         dest: /etc/dnsmasq-resolv.conf
         backup: yes
  - name: 'dnsmasq to use new resolver'
    replace: 
         dest: /etc/dnsmasq.conf
         regexp: '^#resolv-file=$'
         replace: 'resolv-file=/etc/dnsmasq-resolv.conf'
         backup: yes
  - name: 'restart dnsmasq'
    service:
         name: dnsmasq
         state: restarted
  - name: 'Remove resolv.conf'
    file: 
         state: absent
         path: /etc/resolv.conf
  - name: 'Update resolv.conf'
    blockinfile:
         dest: /etc/resolv.conf
         create: yes
         block: |
            nameserver 127.0.0.1
            search .
  - name: 'restart network'
    service:
         name: network
         state: restarted