1 files changed, 64 insertions, 0 deletions
diff --git a/modules.d/systemd-networkd-ext/hooks/configure-dhcp-for-newroot.sh b/modules.d/systemd-networkd-ext/hooks/configure-dhcp-for-newroot.sh
new file mode 100644
index 00000000..b9803729
--- /dev/null
+++ b/modules.d/systemd-networkd-ext/hooks/configure-dhcp-for-newroot.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+#
+# This hook creates a networkd configuration for the NEWROOT
+# * DHCP configuration for the boot interface
+# * Set static hostname via /etc/hostname
+# This uses the configuration file generated by the parse-kcl-for-networkd.sh
+# hook Note: on systemd v219, UseDomains is bugged and does not seem to do
+# anything thus that option is complemented with the KCL's domain to hopefully
+# garantee one of these will take effect.
+
+. "/run/openslx/network.conf"
+
+NETWORKD_DIR="/etc/systemd/network"
+mkdir -p "${NEWROOT}/${NETWORKD_DIR}"
+
+# First, copy over every configuration made so far,
+# excluding the physical interface if bridged
+cp "${NETWORKD_DIR}/${SLX_BRIDGE}"* "${NEWROOT}/${NETWORKD_DIR}"
+
+# Now determine which network configuration we are running
+# VLANs are already configured to DHCP, so nothing to do
+if [ -z "${SLX_VLAN_ID}" ]; then
+	# In both bridged and non-bridged mode, we need to adjust
+	# the configuration to DHCP for stage4
+	MATCH_LINE=
+	MATCH_LINE_EXTRA=
+	MAIN_NET_CONF=
+	if [ -n "${SLX_BRIDGE}" ]; then
+		MATCH_LINE="Name=${SLX_BRIDGE}"
+		MAIN_NETIF_CONF="${NETWORKD_DIR}/${SLX_BRIDGE}.network"
+	elif [ -n "${SLX_PXE_MAC}" ]; then
+		MATCH_LINE="MACAddress=${SLX_PXE_MAC}"
+		MATCH_LINE_EXTRA="Path=pci*"
+		MAIN_NETIF_CONF="${NETWORKD_DIR}/${SLX_PXE_NETIF}.network"
+	else
+		emergency_shell "Could not determine network configuration mode!"
+	fi
+	# backup current network config for later reference before overwritting it
+	if [ -e "${MAIN_NETIF_CONF}" ]; then
+		mv "${NEWROOT}/${MAIN_NETIF_CONF}" "${NEWROOT}/${MAIN_NETIF_CONF}.stage3"
+	else
+		emergency_shell "Failed to find main networkd configuration: ${MAIN_NETIF_CONF}"
+	fi
+	# Now generate a DHCP configuration for the main interface	
+	cat <<-EOF > "${NEWROOT}/${MAIN_NETIF_CONF}"
+		[Match]
+		${MATCH_LINE}
+		${MATCH_LINE_EXTRA}
+
+		[Network]
+		DHCP=ipv4
+		LinkLocalAddressing=no
+		IPv6AcceptRA=no
+
+		[DHCP]
+		UseDNS=true
+		UseDomains=true
+		UseHostname=true
+		CriticalConnection=true
+	EOF
+fi
+
+# Workaround: UseHostname seems broken, so manually set the hostname for now...
+[ -n "${SLX_HOSTNAME}" ] && echo "${SLX_HOSTNAME}" > $NEWROOT/etc/hostname