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
}
cp /etc/yum.repos.d/fedora{,-updates}.repo $INSTALL_ROOT/etc/yum.repos.d/
# append fedora repo files with hardwired releasever and basearch
- for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
- sed -i "s/\$basearch/$arch/g; s/\$releasever/${fedora_release}/g;" $f
- done
+ if [ -z "$USE_UPSTREAM_REPOS" ]; then
+ for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
+ sed -i "s/\$basearch/$arch/g; s/\$releasever/${fedora_release}/g;" $f
+ done
+ fi
# looks like all this business about fetching fedora-release is not needed
# it does
# So ideally if we want to be able to build f12 images from f18 we need an rpm that has
# this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
- DNF="dnf --installroot=$INSTALL_ROOT --nogpgcheck -y"
+ DNF="dnf --installroot=$INSTALL_ROOT --nogpgcheck -y --releasever=${fedora_release}"
echo "$DNF install $FEDORA_PREINSTALLED"
$DNF install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
# rpm --rebuilddb
chroot ${lxc_root} $personality rpm --rebuilddb
- echo "Initializing yum.repos.d in $lxc"
- rm -f $lxc_root/etc/yum.repos.d/*
-
- # use mirroring/ stuff instead of a hard-wired config
- local repofile=$lxc_root/etc/yum.repos.d/building.repo
- yumconf_mirrors $repofile ${DIRNAME} $fcdistro "" $FEDORA_MIRROR
- # the keys stuff requires adjustment though
- sed -i $repofile -e s,'gpgkey=.*',"gpgkey=${FEDORA_MIRROR_KEYS}/RPM-GPG-KEY-fedora-${fedora_release}-primary,"
+ if [ -z "$USE_UPSTREAM_REPOS" ]; then
+ echo "Initializing yum.repos.d in $lxc"
+ rm -f $lxc_root/etc/yum.repos.d/*
+ # use mirroring/ stuff instead of a hard-wired config
+ local repofile=$lxc_root/etc/yum.repos.d/building.repo
+ yumconf_mirrors $repofile ${DIRNAME} $fcdistro "" $FEDORA_MIRROR
+ # the keys stuff requires adjustment though
+ sed -i $repofile -e s,'gpgkey=.*',"gpgkey=${FEDORA_MIRROR_KEYS}/RPM-GPG-KEY-fedora-${fedora_release}-primary,"
+ fi
# import fedora key so that gpgckeck does not whine or require stdin
# required since fedora24
rpm --root $lxc_root --import $FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-${fedora_release}-primary
# for using this script as a general-purpose lxc creation wrapper
# just mention 'none' as the repo url
- if [ -n "$REPO_URL" ] ; then
+ if [ -n "$MYPLC_REPO_URL" ] ; then
if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
echo "WARNING : cannot create myplc repo"
else
cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
[myplc]
name= MyPLC
-baseurl=$REPO_URL
+baseurl=$MYPLC_REPO_URL
enabled=1
gpgcheck=0
EOF
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"
fi
START_VM=true
- while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
+ while getopts "n:f:d:p:r:uP:i:m:sv" opt ; do
case $opt in
n) GUEST_HOSTNAME=$OPTARG;;
f) fcdistro=$OPTARG;;
d) pldistro=$OPTARG;;
p) personality=$OPTARG;;
- r) REPO_URL=$OPTARG;;
+ r) MYPLC_REPO_URL=$OPTARG;;
+ u) USE_UPSTREAM_REPOS=true;;
P) PREINSTALLED=$OPTARG;;
i) IMAGE=$OPTARG;;
m) MEMORY=$OPTARG;;
# as this command can be used in other contexts, not specifying
# a repo is considered a warning
# use -r none to get rid of this warning
- if [ "$REPO_URL" == "none" ] ; then
- REPO_URL=""
- elif [ -z "$REPO_URL" ] ; then
+ if [ "$MYPLC_REPO_URL" == "none" ] ; then
+ MYPLC_REPO_URL=""
+ elif [ -z "$MYPLC_REPO_URL" ] ; then
echo "WARNING -- setting up a yum repo is recommended"
fi
fi
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 $2;}' | cut -d/ -f2)
- NETMASK=$(masklen_to_netmask $masklen)
+ MASKLEN=$(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)"
fi