board/common: override /etc/init.d/S40network

Check if interfaces file exists, this makes it possible for
system containers to optionally create/mount one such file
to perform local network setup, e.g., run a dhcp client.

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

board/common/rootfs/etc/init.d/S40network

@@ -0,0 +1,31 @@
+#!/bin/sh
+#
+# Start the network if enabled.
+#
+
+# Debian ifupdown needs the /run/network lock directory
+mkdir -p /run/network
+
+[ -f /etc/network/interfaces ] || exit 0
+
+case "$1" in
+  start)
+	printf "Starting network: "
+	/sbin/ifup -a
+	[ $? = 0 ] && echo "OK" || echo "FAIL"
+	;;
+  stop)
+	printf "Stopping network: "
+	/sbin/ifdown -a
+	[ $? = 0 ] && echo "OK" || echo "FAIL"
+	;;
+  restart|reload)
+	"$0" stop
+	"$0" start
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?