First works to improve systemd integration

Add openvpn-generator to mimic AUTOSTART feature from SysV init script

1 files changed, 40 insertions, 0 deletions

diff --git a/debian/openvpn-generator b/debian/openvpn-generator
new file mode 100755
index 0000000..d6ac1aa
--- /dev/null
+++ b/debian/openvpn-generator
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# This systemd generator creates dependency symlinks that make all OpenVPN
+# tunnels listed in /etc/default/openvpn's AUTOSTART be started/stopped/reloaded
+# when openvpn.service is started/stopped/reloaded.
+
+set -eu
+
+GENDIR="$1"
+WANTDIR="$1/openvpn.service.wants"
+SERVICEFILE="/lib/systemd/system/openvpn@.service"
+AUTOSTART="all"
+CONFIG_DIR=/etc/openvpn
+
+mkdir -p "$WANTDIR"
+
+if test -e /etc/default/openvpn ; then
+	. /etc/default/openvpn
+fi
+
+# No VPNs automatically started
+if test "x$AUTOSTART" = "xnone" ; then
+	exit 0
+fi
+
+if test "x$AUTOSTART" = "xall" -o -z "$AUTOSTART" ; then
+	for CONFIG in `cd $CONFIG_DIR; ls *.conf 2> /dev/null`; do
+		NAME=${CONFIG%%.conf}
+		ln -s "$SERVICEFILE" "$WANTDIR/openvpn@$NAME.service"
+	done
+else
+	for NAME in $AUTOSTART ; do
+		if test -e $CONFIG_DIR/$NAME.conf ; then
+			ln -s "$SERVICEFILE" "$WANTDIR/openvpn@$NAME.service"
+		fi
+	done
+fi
+
+exit 0
+