read_from_ini_file.yml

# Setting http and https proxy in all servers
---
- hosts: all
  become: yes
  tasks:
    - set_fact:
        env_var: "{{ lookup('ini', 'ACTIVE_ENV section=COMMON file=environment.ini') }}"

    - set_fact:
        https_proxy_var: "{{ lookup('ini', 'HTTPS_PROXY section={{ env_var }} file=environment.ini') }}"

    - set_fact:
        http_proxy_var: "{{ lookup('ini', 'HTTP_PROXY section={{ env_var }} file=environment.ini') }}"

    - name: Add http and https proxy to environment file.
      lineinfile:
        dest: /etc/environment
        line: '{{ item }}'
      with_items:
        - https_proxy={{ https_proxy_var }}
        - http_proxy={{ http_proxy_var }}
      when: https_proxy_var != '""'  and http_proxy_var != '""'