Install docker using ansible

Install-docker-ansible.yml

- hosts: myserver
  become: true
  tasks:
  - debug:
      var: ansible_os_family
      
  - name: "create yum repository for docker"
    yum_repository:
      name: docker-repo
      description: "repo for docker"
      baseurl: "https://download.docker.com/linux/centos/7/x86_64/stable/"
      enabled: yes
      gpgcheck: no
    when: ansible_facts['os_family'] == 'RedHat'
  
  - name: "Install docker"
    package: 
      name: "docker-ce-18.09.1-3.el7.x86_64"
      state: present

  - name: "Install pip"
    package: 
      name: "python3-pip"
      state: present
      update_cache: true
    
  - name: "Install docker sdk"
    pip:
     name: "docker"
 
  - name: "Update docker service"
    replace:
       path: "/lib/systemd/system/docker.service"
       regexp: "^ExecStart.*"
       replace: "ExecStart=/usr/bin/dockerd -H fd:// -H tcp://0.0.0.0:4243"
    notify: 
    - "Restart docker"
    - "Reload deamon"
  
  - name: "Start docker service"
    service:
      name: "docker"
      state: started


  handlers:
  - name: "Restart docker"
    service:
       name: "docker"
       state: restarted

  - name: "Reload deamon"
    systemd:
       daemon_reload: yes