An ansible file for setting up my default config

aws_redhat_basic.yml

---
- hosts: redhat_aws
  vars:
    remote_user: ec2-user
    target_user: myUserName
  tasks:
    - name: 1.Check if EPEL repo is already configured.
      stat: path=/etc/yum.repos.d/epel.repo
      register: epel_repofile_result

    - name: 2.Install EPEL repo.
      yum:
        name: "https://dl.fedoraproject.org/pub/epel/epel-release-latest-{{ ansible_distribution_major_version }}.noarch.rpm"
        state: present
      register: result
      when: not epel_repofile_result.stat.exists
      become: true

    - name: 3.Import EPEL GPG key.
      rpm_key:
        key: "https://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-{{ ansible_distribution_major_version }}"
        state: present
      when: not epel_repofile_result.stat.exists
      become: true

    - name: upgrade all packages
      yum:
        name: '*'
        state: latest
      become: true

    - name: install regular software
      yum: pkg={{item}} state=installed
      with_items:
        - nano
        - zsh
        - tmux
        - git
        - mc
        - emacs-nox
        - kernel-headers
        - zip
        - pciutils
        - deltarpm
        - postgresql
        - inotify-tools
        - python34
        - bind-utils
        - jq
      become: true

    - name: Disable selinux
      selinux:
        state: disabled
      become: true

    - name: Create "{{ target_user }}" user with zsh and .ssh/authorized_keys
      user: 
        name: "{{ target_user }}"
        shell: /usr/bin/zsh
        groups: wheel,adm,users
        append: yes
      become: true

    - name: Adds "{{ target_user }}" public key to authorized_keys
      authorized_key: 
        user: "{{ target_user }}"
        manage_dir: yes
        key: PUTYOURPUBLICKEYHERE
      become: true
      become_user: "{{ target_user }}"

    - name: Creates directory
      file: 
        path: ~/src
        state: directory
      become: true
      become_user: "{{ target_user }}"

    - name: Download latest oh-my-zsh
      git: 
        repo: 'https://github.com/robbyrussell/oh-my-zsh.git'
        dest: ~/src/oh-my-zsh
      become: true
      become_user: "{{ target_user }}"

    - name: Install oh-my-zsh
      command: /bin/bash -c ./tools/install.sh
      args:
        chdir: ~/src/oh-my-zsh
        creates: ~/.oh-my-zsh
      become: true
      become_user: "{{ target_user }}"

    - name: Checks for .zshrc
      stat: 
        path: ~/.zshrc
      register: zshrc
      become: true
      become_user: "{{ target_user }}"

    - name: Set default theme
      replace: 
        path:  ~/.zshrc
        regexp: 'ZSH_THEME="robbyrussell"'
        replace: 'ZSH_THEME="rkj"'
      when: zshrc.stat.exists
      become: true
      become_user: "{{ target_user }}"

    - name: Delete "{{ target_user }}" password
      command: /usr/bin/passwd -d "{{ target_user }}"
      become: true

    - name: Expire "{{ target_user }}" password
      command: /usr/bin/chage -d0 "{{ target_user }}"
      become: true

    - name: Install oh-my-zsh
      command: /usr/sbin/shutdown -r 1
      become: true