#!/bin/sh

gen_action() {
    echo   'action('
    echo   '    type="omfwd"'
    printf '    Target="%s"\n' "${1}"
    echo   '    Port="514"'
    echo   '    template="RSYSLOG_SyslogProtocol23Format"'
    echo   ')'
}

changed=false
if [ -n "${interface}" ] && [ -d /run/rsyslog.d ]; then
    if [ -n "${new_log_servers}" ]; then
        echo '# Generated by dhcpcd' > /run/rsyslog.d/dhcpcd."${interface}".conf
        for s in ${new_log_servers}; do
            gen_action "${s}" >> /run/rsyslog.d/dhcpcd."${interface}".conf
        done
        changed=true
    elif [ -n "${old_log_servers}" ]; then
        rm -f /run/rsyslog.d/dhcpcd."${interface}".conf
        changed=true
    fi
fi

if ${changed}; then
    systemctl try-restart rsyslog
fi