From 5807d7e142cdb20dc78b87d2848274aa0d237c49 Mon Sep 17 00:00:00 2001
From: Nik Lutz <nik@netstyle.ch>
Date: Sat, 17 Jun 2017 05:46:03 +0200
Subject: Implementing postup/postdown for systemd-networkd by creating systemd
 units in /etc/systemd/system.

Signed-off-by: Daniel Baumann <daniel.baumann@open-infrastructure.net>
---
 share/scripts/debconf | 46 ++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 42 insertions(+), 4 deletions(-)

diff --git a/share/scripts/debconf b/share/scripts/debconf
index 8fc7223..8ad2e51 100755
--- a/share/scripts/debconf
+++ b/share/scripts/debconf
@@ -810,8 +810,6 @@ EOF
 
 Configure_systemd_networkd ()
 {
-	# FIXME: postup/postdown: multi-interface route
-
 	DIRECTORY="${1}"
 
 	# Enable systemd-networkd
@@ -829,8 +827,8 @@ Configure_systemd_networkd ()
 		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`"
+		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
@@ -878,6 +876,46 @@ EOF
 				fi
 		esac
 
+		if [ -n "${IPV4_POST_UP}" ]
+		then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv4-post-up-eth${NUMBER}.service" << EOF
+[Unit]
+Description=container-tools IPV4_POST_UP
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV4_POST_UP}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+			chroot "${DIRECTORY}" systemctl enable cnt-ipv4-post-up-eth${NUMBER}.service
+		fi
+
+		if [ -n "${IPV4_POST_DOWN}" ]
+		then
+
+cat > "${DIRECTORY}/etc/systemd/system/cnt-ipv4-post-down-eth${NUMBER}.service" << EOF
+[Unit]
+Description=container-tools IPV4_POST_DOWN
+After=network.target
+Wants=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "${IPV4_POST_DOWN}"
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+			chroot "${DIRECTORY}" systemctl enable cnt-ipv4-post-down-eth${NUMBER}.service
+		fi
+
 		NUMBER="$((${NUMBER} + 1))"
 	done
 }
-- 
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