ansible-roles/roles/system_proxy/templates/proxy.sh.j2

#!/bin/bash

{% if system_proxy is defined and system_proxy != '' %}
export http_proxy={{ system_proxy }}
export https_proxy={{ system_proxy }}
export ftp_proxy={{ system_proxy }}
export HTTP_PROXY={{ system_proxy }}
export HTTPS_PROXY={{ system_proxy }}
export FTP_PROXY={{ system_proxy }}
export no_proxy='{{ system_proxy_no_proxy | join(',') }}'
export NO_PROXY='{{ system_proxy_no_proxy | join(',') }}'
{% endif %}