diff options
Diffstat (limited to 'init')
| -rwxr-xr-x | init | 69 |
1 files changed, 63 insertions, 6 deletions
@@ -137,24 +137,81 @@ if [ -z "$eth" ]; then fi mac="$(cat "/sys/class/net/$eth/address")" +mid="$(sed -e 's/://g' <<<"$mac")" # Machine id. info "configured $eth ($mac)" # Set the hostname. # hname="$(hostname)" - if [ "$hname" = "(none)" ]; then - hname="build-$(sed -e 's/://g' <<<"$mac")" + hname="build-$mid" hostname "$hname" fi - echo "$hname" >/etc/hostname info "hostname $hname" -# --machine-id +# Stop DHCP client without releasing the lease and deconfigure the interface. +# The plan is to generate a bridge-based /etc/network/interfaces configuration +# based on what we have discovered and then let the systemd networking bringup +# to configure everything (at which point we will hopefully reuse the lease). +# +dhclient -q -x + +# @@ Need to be make configurable. # -#exec /lib/systemd/systemd #</dev/console >/dev/console 2>&1 +priv_network="172.16.123.0" +priv_netmask="255.255.255.0" +priv_netbase="$(sed -e 's/^\(.*\)\.0$/\1/' <<<"$priv_network")" -exec /bin/bash +cat <<EOF >/etc/network/interfaces +auto lo +iface lo inet loopback + +# Public bridge. +# +auto br0 +iface br0 inet dhcp + bridge_ports $eth + bridge_stp off + bridge_maxwait 0 + bridge_fd 0 + bridge_mac $mac + +# Private bridge with NAT to br0. +# +auto br1 +iface br1 inet static + address ${priv_netbase}.1 + netmask $priv_netmask + bridge_ports none + bridge_stp off + bridge_maxwait 0 + bridge_fd 0 + post-up iptables -t nat -A POSTROUTING -o br0 -j MASQUERADE + post-up iptables -A FORWARD -i br0 -o br1 -m state --state RELATED,ESTABLISHED -j ACCEPT + post-up iptables -A FORWARD -i br1 -o br0 -j ACCEPT +EOF + +cat <<EOF >/etc/dnsmasq.d/br1-dhcp +interface=br1 +bind-interfaces +dhcp-range=${priv_netbase}.10,${priv_netbase}.250,12h +EOF + +/bin/bash + +# Hand off to systemd. But first arrange to keep console output (which +# becomes tty1). +# +mkdir -p /etc/systemd/system/getty@tty1.service.d +cat <<EOF >/etc/systemd/system/getty@tty1.service.d/noclear.conf +[Service] +TTYVTDisallocate=no +EOF + +exec /lib/systemd/systemd \ + --show-status=1 \ + --machine-id="00000000000000000000$mid" \ + </dev/console >/dev/console 2>&1 |