NETWORK MANAGER

### NETWORK MANAGER ####

network_config(){

    interface=$(ip r | grep default | awk  '{ print $5 }' | head -1)
    if [ -z $interface ]; then
        write_log "------NETWORK RUN dhclient----------"
        sudo dhclient
    fi

    architecture=$(uname -m)

    if [ $architecture = "aarch64" ]; then
        if [ -f /etc/network/interfaces ]; then
            check_interface=$(grep -i "auto eth0" /etc/network/interfaces | head -1)
            if [ $check_interface = "auto eth0" ]; then
                    echo "SKIP!"
            else
                    write_log "------UPDATE NETWORK INTERFACES (auto eth0)----------"
                    sudo sh -c "printf '%s\n' 0a 'auto eth0' . x | sudo ex /etc/network/interfaces"
                    sudo shutdown -r +1
            fi
        fi
    fi

    interface=$(ip r | grep default | awk  '{ print $5 }' | head -1)

    ### DNS RESOLV ###
    router=$(ip r | grep default | awk  '{ print $3 }')
    dig +short +time=3 cms.vcam.viettel.vn
    if [ $? -ne 0 ]; then
        write_log "------UPDATE DNS resolv VIETTEL SUCCESS----------"
        echo -e "nameserver $router\nnameserver 203.113.131.2\nnameserver 203.113.188.1\nnameserver 203.113.188.2\nnameserver 203.113.131.1\nnameserver 203.113.131.3" | sudo tee /etc/resolv.conf
    fi
}
network_config