case $fcdistro in
f[0-9]*|centos[0-9]*|sl[0-9]*)
echo dnf ;;
- wheezy|jessie|trusty|xenial|bionic)
+ wheezy|jessie|trusty|xenial|bionic|focal)
echo debootstrap ;;
*)
- echo Unknown distro $fcdistro ;;
+ echo "Unknown package_method for distro $fcdistro" ;;
+ esac
+}
+
+### return
+# ifcfg for redhat's
+# interfaces for older debian/uuntu
+# systemd for more recent debian/ubuntu
+function network_method () {
+ local fcdistro=$1; shift
+ case $fcdistro in
+ f[0-9]*|centos[0-9]*|sl[0-9]*)
+ echo ifcfg ;;
+ wheezy|jessie|trusty|xenial|bionic)
+ echo interfaces ;;
+ focal)
+ echo systemd ;;
+ *)
+ echo "Unknown network_method for distro $fcdistro" ;;
esac
}
case $fcdistro in
wheezy|jessie)
echo http://ftp2.fr.debian.org/debian/ ;;
- trusty|xenial|bionic)
+ trusty|xenial|bionic|focal)
echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
*) echo unknown distro $fcdistro; exit 1;;
esac
}
function debian_configure () {
- local guest_interfaces=${lxc_root}/etc/network/interfaces
- ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
+ local lxc=$1; shift
+ local fcdistro=$1; shift
+ case $(network_method $fcdistro) in
+ interfaces)
+ local guest_interfaces=${lxc_root}/etc/network/interfaces
+ ( [ -n "$NAT_MODE" ] \
+ && write_guest_interfaces_natip \
+ || write_guest_interfaces_publicip ) > $guest_interfaces
+ ;;
+ systemd)
+ local systemd_config="${lxc_root}/etc/systemd/network/wired.network"
+ ( [ -n "$NAT_MODE" ] \
+ && write_guest_systemd_natip \
+ || write_guest_systemd_publicip ) > $systemd_config
+ chroot "${lxc_root}" systemctl enable systemd-networkd
+ ;;
+ esac
}
function write_guest_interfaces_natip () {
gateway $GATEWAY
EOF
}
+
+# systemd-networkd
+# https://wiki.archlinux.org/title/systemd-networkd
+# https://www.linuxtricks.fr/wiki/systemd-le-reseau-avec-systemd-networkd
+function write_guest_systemd_natip () {
+ cat << EOF
+[Match]
+Name=eth0
+
+[Network]
+DHCP=ipv4
+EOF
+}
+
+function write_guest_systemd_publicip () {
+ cat << EOF
+[Match]
+Name=eth0
+
+[Network]
+Address=${GUEST_IP}/${MASKLEN}
+Gateway=$GATEWAY
+EOF
+}
+
##############################
function setup_lxc() {
if [ -z "$IMAGE" ]; then
debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
fi
- debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
+ debian_configure $lxc $fcdistro || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
;;
*)
echo "$COMMAND:: unknown package_method - exiting"
GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
# use same NETMASK as bridge interface br0
- masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
+ MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
NETMASK=$(masklen_to_netmask $masklen)
GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"