#! /bin/bash

error=0 ; trap "error=$((error|1))" ERR

ifcfg_config() {

    cat > $target/etc/sysconfig/network-scripts/ifcfg-$NIC1 <<-EOF
		# generated by FAI
		TYPE=Ethernet
		PROXY_METHOD=none
		BOOTPROTO=dhcp
		DEFROUTE=yes
		BROWSER_ONLY=no
		IP4_FAILURE_FATAL=no
		IPV6INIT=no
		IPV6_AUTOCONF=no
		NAME=$NIC1
		DEVICE=$NIC1
		ONBOOT=yes
	EOF
}

nm_config() {

    uuid=$(uuidgen)

    cat > $target/etc/NetworkManager/system-connections/${NIC1}.nmconnection << EOF

# generated by FAI
[connection]
id=$NIC1
uuid=$uuid
type=ethernet
autoconnect-priority=-999
interface-name=$NIC1

[ethernet]

[ipv4]
method=auto

[ipv6]
addr-gen-mode=eui64
method=auto

[proxy]
EOF

    chmod 600 $target/etc/NetworkManager/system-connections/${NIC1}.nmconnection
}



# determine predictable network names
fields="ID_NET_NAME_FROM_DATABASE ID_NET_NAME_ONBOARD ID_NET_NAME_SLOT ID_NET_NAME_PATH"
for field in $fields; do
    name=$(udevadm info /sys/class/net/$NIC1 | sed -rn "s/^E: $field=(.+)/\1/p")
    if [[ $name ]]; then
        NIC1=$name
        break
    fi
done
if [[ ! $name ]]; then
    echo "$0: error: could not find systemd predictable network name. Using $NIC1."
fi

if [ $FAI_ACTION != "softupdate" ] && ifclass DHCPC; then
    . $target/etc/os-release
    major=$(echo ${VERSION_ID} | awk -F '.' '{ print $1 }')

    if [ $major -lt 9 ]; then
        ifcfg_config
    else
        nm_config
    fi
fi

fcopy -iv /etc/sysconfig/network /etc/resolv.conf /etc/networks
fcopy -ivr /etc/sysconfig/network-scripts

exit $error