#!/bin/bash

TRIPLEO_OS_FAMILY='unsupported' # Generic OS Family: debian, redhat, suse
TRIPLEO_OS_DISTRO='unsupported' # Specific distro: centos, fedora, rhel,
                                #                  opensuse, sles, ubuntu

if [ -f /etc/redhat-release ]; then
    TRIPLEO_OS_FAMILY='redhat'
    if $(grep -Eqs 'Red Hat Enterprise Linux' /etc/redhat-release); then
        TRIPLEO_OS_DISTRO='rhel'
    fi
    if $(grep -Eqs 'Derived from Red Hat Enterprise Linux' /etc/redhat-release); then
        TRIPLEO_OS_DISTRO='centos'
    fi
    if $(grep -Eqs 'CentOS' /etc/redhat-release); then
        TRIPLEO_OS_DISTRO='centos'
    fi
    if $(grep -Eqs 'Fedora' /etc/redhat-release); then
        TRIPLEO_OS_DISTRO='fedora'
    fi
fi

if [ -f /etc/debian_version ]; then
    TRIPLEO_OS_FAMILY='debian'
    if $(grep -Eqs 'Ubuntu' /etc/lsb-release); then
        TRIPLEO_OS_DISTRO='ubuntu'
    fi
    if $(grep -Eqs 'Debian' /etc/os-release); then
        TRIPLEO_OS_DISTRO='debian'
    fi
fi

function get_os_release {
    (
        source /etc/os-release
        echo $ID
    )
}

if [ -f /etc/os-release ]; then
    if [ "$(get_os_release)" = "opensuse" ]; then
        TRIPLEO_OS_FAMILY='suse'
        TRIPLEO_OS_DISTRO='opensuse'
    fi
    if [ "$(get_os_release)" = "sles" ]; then
        TRIPLEO_OS_FAMILY='suse'
        TRIPLEO_OS_DISTRO='sles'
    fi
fi

export TRIPLEO_OS_FAMILY
export TRIPLEO_OS_DISTRO