- name: Enable EPEL Repository on CentOS 7
    yum:
      name: epel-release
      state: latest
 

  - name: install mariadb-server 
    yum:
      name:
      - epel-release
      - postgresql
      - postgresql-server
      - python-setuptools
      - python-psycopg2
      - python2
      - python2-pip
      state: present
      update_cache: yes

  - name:
    service:
      name: postgresql
      state: started
      enabled: yes
 
  - name:
    firewalld:
      port: 5432/tcp
      permanent: true
      state: enabled
      immediate: yes