From e559d2afa1670d6547ec4c99ef58f50f99f3e5f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Constantino=20V=C3=A1zquez=20Blanco?= <tinova@fdi.ucm.es>
Date: Fri, 21 Nov 2008 17:20:00 +0000
Subject: [PATCH] Changed VM.schema to reflect network management changes.
 Added network contextualization script for VMs.

git-svn-id: http://svn.opennebula.org/one/trunk@255 3034c82b-c49b-4eb3-8279-a7acafdc01c0
---
 share/examples/vm.schema   | 10 ++++---
 share/scripts/vmcontext.sh | 57 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 4 deletions(-)
 create mode 100755 share/scripts/vmcontext.sh

diff --git a/share/examples/vm.schema b/share/examples/vm.schema
index 35a310691c..b651975b3a 100644
--- a/share/examples/vm.schema
+++ b/share/examples/vm.schema
@@ -56,10 +56,12 @@ DISK = [
 #---------------------------------------
 
 NIC = [
-  bridge = "name_of_bridge_to_bind_if",     #Optional, XEN, KVM
-  target = "device_name_to_map_if",         #Optional, KVM
-  mac    = "HW_address",                    #Optional, XEN, KVM
-  script = "path_to_script_to_bring_up_if"] #Optional, KVM
+  network = "name_of_the_virtual_network",   #Optional, XEN, KVM
+  ip      = "ip_address",                    #Optional, XEN, KVM 
+  bridge  = "name_of_bridge_to_bind_if",     #Optional, XEN, KVM
+  target  = "device_name_to_map_if",         #Optional, KVM
+  mac     = "HW_address",                    #Optional, XEN, KVM
+  script  = "path_to_script_to_bring_up_if"] #Optional, KVM
 
 #---------------------------------------
 #  I/O Interfaces 
diff --git a/share/scripts/vmcontext.sh b/share/scripts/vmcontext.sh
new file mode 100755
index 0000000000..d1cd14ca07
--- /dev/null
+++ b/share/scripts/vmcontext.sh
@@ -0,0 +1,57 @@
+#! /bin/sh
+
+PATH=/sbin:/bin:/usr/bin
+
+mac2ip ()
+{
+let ip_a=0x`echo $1 | cut -d: -f 3`
+let ip_b=0x`echo $1 | cut -d: -f 4`
+let ip_c=0x`echo $1 | cut -d: -f 5`
+let ip_d=0x`echo $1 | cut -d: -f 6`
+ 
+IP="$ip_a.$ip_b.$ip_c.$ip_d"
+}
+
+do_start () 
+{
+
+INTERFACES=`/sbin/ifconfig -a | grep ^eth | sed 's/\s*Link encap:Ethernet\s*HWaddr /-/g'`
+rm -f /etc/network/interfaces > /dev/null 2>&1
+cat > /etc/network/interfaces << EOF
+auto lo
+iface lo inet loopback
+EOF
+
+for i in $INTERFACES; do
+        DEV=`echo $i | cut -d'-' -f 1`
+        MAC=`echo $i | cut -d'-' -f 2`
+        mac2ip $MAC
+        NET=`echo $IP | cut -d'.' -f1,2,3`
+
+cat >> /etc/network/interfaces << EOF
+auto $DEV
+iface $DEV inet static
+  address $IP
+  gateway $NET.1
+  netmask 255.255.255.0
+EOF
+done
+
+}
+
+case "$1" in
+  start|"")
+	do_start
+	;;
+  restart|reload|force-reload)
+	echo "Error: argument '$1' not supported" >&2
+	exit 3
+	;;
+  stop)
+	# No-op
+	;;
+  *)
+	echo "Usage: vmcontext.sh [start|stop]" >&2
+	exit 3
+	;;
+esac