Using systemd-networkd in container instead of ifupdown.

Tested-by: Simon Spöhel <simon.spoehel@open-infrastructure.net>
Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>

1 files changed, 87 insertions, 85 deletions

diff --git a/share/scripts/debconf b/share/scripts/debconf
index 4878d98..6fab784 100755
--- a/share/scripts/debconf
+++ b/share/scripts/debconf
@@ -123,6 +123,15 @@ Chroot ()
 		${@}
 }
 
+CIDR ()
+{
+	x=${1##*255.}
+	set -- 0^^^128^192^224^240^248^252^254^ $(( (${#1} - ${#x})*2 )) ${x%%.*}
+
+	x=${1%%$3*}
+	echo $(( $2 + (${#x}/4) ))
+}
+
 Upgrade_system ()
 {
 	DIRECTORY="${1}"
@@ -238,11 +247,11 @@ Debootstrap ()
 	# FIXME: trim down, debootstrap variants?
 	case "${MODE}" in
 		debian)
-			INCLUDE="${INCLUDE},ifupdown,locales,libui-dialog-perl,dialog,isc-dhcp-client,netbase,net-tools,iproute,wget"
+			INCLUDE="${INCLUDE},locales,libui-dialog-perl,dialog,isc-dhcp-client,netbase,net-tools,iproute,wget"
 			;;
 
 		progress-linux)
-			INCLUDE="${INCLUDE},apt-utils,ifupdown,locales-all,libui-dialog-perl,dialog,isc-dhcp-client,netbase,net-tools,iproute,openssh-server,wget"
+			INCLUDE="${INCLUDE},apt-utils,locales-all,libui-dialog-perl,dialog,isc-dhcp-client,netbase,net-tools,iproute,openssh-server,wget"
 			;;
 	esac
 
@@ -735,91 +744,9 @@ EOF
 
 Configure_network ()
 {
-	# Create /etc/network/interfaces
-
 	DIRECTORY="${1}"
 
-cat > "${DIRECTORY}/etc/network/interfaces.tmp" << EOF
-# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
-# /usr/share/doc/ifupdown/examples for more information.
-EOF
-
-	for NUMBER in $(seq 0 ${NETWORK_NUMBER})
-	do
-		eval IPV4_COMMENT="$`echo NETWORK${NUMBER}_IPV4_COMMENT`"
-		eval IPV4_METHOD="$`echo NETWORK${NUMBER}_IPV4_METHOD`"
-		eval IPV4_ADDRESS="$`echo NETWORK${NUMBER}_IPV4_ADDRESS`"
-		eval IPV4_GATEWAY="$`echo NETWORK${NUMBER}_IPV4_GATEWAY`"
-		eval IPV4_NETMASK="$`echo NETWORK${NUMBER}_IPV4_NETMASK`"
-		eval IPV4_POST_UP="$`echo NETWORK${NUMBER}_IPV4_POST_UP`"
-		eval IPV4_POST_DOWN="$`echo NETWORK${NUMBER}_IPV4_POST_DOWN`"
-
-		if [ -z "${IPV4_METHOD}" ]
-		then
-			continue
-		fi
-
-		echo >> "${DIRECTORY}/etc/network/interfaces.tmp"
-
-		if [ -n "${IPV4_COMMENT}" ]
-		then
-			echo "# ${IPV4_COMMENT}" >> "${DIRECTORY}/etc/network/interfaces.tmp"
-		fi
-
-		case "${IPV4_METHOD}" in
-			none)
-
-cat >> "${DIRECTORY}/etc/network/interfaces.tmp" << EOF
-iface eth${NUMBER} inet manual
-EOF
-
-				;;
-
-			dhcp)
-
-cat >> "${DIRECTORY}/etc/network/interfaces.tmp" << EOF
-auto eth${NUMBER}
-iface eth${NUMBER} inet dhcp
-EOF
-
-				;;
-
-			static)
-
-cat >> "${DIRECTORY}/etc/network/interfaces.tmp" << EOF
-auto eth${NUMBER}
-iface eth${NUMBER} inet static
-	address		${IPV4_ADDRESS}
-EOF
-
-				if [ -n "${IPV4_GATEWAY}" ]
-				then
-					echo "	gateway		${IPV4_GATEWAY}" >> "${DIRECTORY}/etc/network/interfaces.tmp"
-				fi
-
-				if [ -n "${IPV4_NETMASK}" ]
-				then
-					echo "	netmask		${IPV4_NETMASK}" >> "${DIRECTORY}/etc/network/interfaces.tmp"
-				fi
-
-				if [ -n "${IPV4_POST_UP}" ]
-				then
-					echo "	post-up		${IPV4_POST_UP}" >> "${DIRECTORY}/etc/network/interfaces.tmp"
-				fi
-
-				if [ -n "${IPV4_POST_DOWN}" ]
-				then
-					echo "	post-down	${IPV4_POST_DOWN}" >> "${DIRECTORY}/etc/network/interfaces.tmp"
-				fi
-				;;
-		esac
-
-		NUMBER="$((${NUMBER} + 1))"
-	done
-
-	mv "${DIRECTORY}/etc/network/interfaces.tmp" "${DIRECTORY}/etc/network/interfaces"
-
-	# create /etc/resolv.conf
+	# Create /etc/resolv.conf
 	rm -f "${DIRECTORY}/etc/resolv.conf.tmp"
 
 	if [ -n "${NAMESERVER_DOMAIN}" ]
@@ -897,6 +824,80 @@ EOF
 	mv "${DIRECTORY}/etc/hosts.tmp" "${DIRECTORY}/etc/hosts"
 }
 
+Configure_systemd_networkd ()
+{
+	# FIXME: postup/postdown: multi-interface route
+
+	DIRECTORY="${1}"
+
+	# Enable systemd-networkd
+	chroot "${DIRECTORY}" apt purge --yes ifupdown || true
+
+	rm -f "${DIRECTORY}/etc/network/interfaces"
+	rmdir --ignore-fail-on-non-empty --parents "${DIRECTORY}"/etc/network/* > /dev/null 2>&1 || true
+
+	chroot "${DIRECTORY}" systemctl enable systemd-networkd
+
+	for NUMBER in $(seq 0 ${NETWORK_NUMBER})
+	do
+		eval IPV4_COMMENT="$`echo NETWORK${NUMBER}_IPV4_COMMENT`"
+		eval IPV4_METHOD="$`echo NETWORK${NUMBER}_IPV4_METHOD`"
+		eval IPV4_ADDRESS="$`echo NETWORK${NUMBER}_IPV4_ADDRESS`"
+		eval IPV4_GATEWAY="$`echo NETWORK${NUMBER}_IPV4_GATEWAY`"
+		eval IPV4_NETMASK="$`echo NETWORK${NUMBER}_IPV4_NETMASK`"
+#		eval IPV4_POST_UP="$`echo NETWORK${NUMBER}_IPV4_POST_UP`"
+#		eval IPV4_POST_DOWN="$`echo NETWORK${NUMBER}_IPV4_POST_DOWN`"
+
+		if [ -z "${IPV4_METHOD}" ]
+		then
+			continue
+		fi
+
+		IPV4_SUFFIX="$(CIDR ${IPV4_NETMASK})"
+		IPV4_CIDR="${IPV4_ADDRESS}/${IPV4_SUFFIX}"
+
+cat > "${DIRECTORY}/etc/systemd/network/eth${NUMBER}.network" << EOF
+[Match]
+Name=eth${NUMBER}
+
+[Network]
+EOF
+
+		if [ -n "${IPV4_COMMENT}" ]
+		then
+			echo "Description=${IPV4_COMMENT}" >> "${DIRECTORY}/etc/systemd/network/eth${NUMBER}.network"
+		fi
+
+		case "${IPV4_METHOD}" in
+			dhcp)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eth${NUMBER}.network" << EOF
+DHCP=ipv4
+EOF
+
+				;;
+
+			static)
+
+cat >> "${DIRECTORY}/etc/systemd/network/eth${NUMBER}.network" << EOF
+DHCP=no
+Address=${IPV4_CIDR}
+EOF
+
+				if [ -n "${IPV4_GATEWAY}" ]
+				then
+
+cat >> "${DIRECTORY}/etc/systemd/network/eth${NUMBER}.network" << EOF
+Gateway=${IPV4_GATEWAY}
+EOF
+
+				fi
+		esac
+
+		NUMBER="$((${NUMBER} + 1))"
+	done
+}
+
 Commands ()
 {
 	DIRECTORY="${1}"
@@ -1045,6 +1046,7 @@ fi
 
 Configure_system "${MACHINES}/${NAME}"
 Configure_network "${MACHINES}/${NAME}"
+Configure_systemd_networkd "${MACHINES}/${NAME}" # FIXME
 Cleanup_system "${MACHINES}/${NAME}"
 
 Commands "${MACHINES}/${NAME}"