make build_lxc.sh work on oneiric

tools/build_lxc.sh

@@ -6,10 +6,8 @@ if [ "$EUID" -ne "0" ]; then
   exit 1
 fi
 
-# Warn users who aren't on natty
-if ! grep -q natty /etc/lsb-release; then
-    echo "WARNING: this script has only been tested on natty"
-fi
+# Keep track of ubuntu version
+UBUNTU_VERSION=`cat /etc/lsb-release | grep CODENAME | sed 's/.*=//g'`
 
 # Move to top devstack dir
 cd ..
@@ -92,8 +90,21 @@ function git_clone {
     fi
 }
 
+# Helper to create the container
+function create_lxc {
+    if [ "natty" = "$UBUNTU_VERSION" ]; then
+        lxc-create -n $CONTAINER -t natty -f $LXC_CONF
+    else
+        lxc-create -n $CONTAINER -t ubuntu -f $LXC_CONF
+    fi
+}
+
 # Location of the base image directory
-CACHEDIR=/var/cache/lxc/natty/rootfs-amd64
+if [ "natty" = "$UBUNTU_VERSION" ]; then
+    CACHEDIR=/var/cache/lxc/natty/rootfs-amd64
+else
+    CACHEDIR=/var/cache/lxc/oneiric/rootfs-amd64
+fi
 
 # Provide option to do totally clean install
 if [ "$CLEAR_LXC_CACHE" = "1" ]; then
@@ -106,7 +117,7 @@ if [ ! -f $CACHEDIR/bootstrapped ]; then
     # lazy and doesn't do anything if a container already exists)
     lxc-destroy -n $CONTAINER
     # trigger the initial debootstrap
-    lxc-create -n $CONTAINER -t natty -f $LXC_CONF
+    create_lxc
     chroot $CACHEDIR apt-get update
     chroot $CACHEDIR apt-get install -y --force-yes `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
     chroot $CACHEDIR pip install `cat files/pips/*`
@@ -143,7 +154,7 @@ if [ "$TERMINATE" = "1" ]; then
 fi
 
 # Create the container
-lxc-create -n $CONTAINER -t natty -f $LXC_CONF
+create_lxc
 
 # Specify where our container rootfs lives
 ROOTFS=/var/lib/lxc/$CONTAINER/rootfs/
@@ -207,6 +218,10 @@ cat > $RUN_SH <<EOF
 #!/usr/bin/env bash
 # Make sure dns is set up
 echo "nameserver $NAMESERVER" | sudo resolvconf -a eth0
+# Make there is a default route - needed for natty
+if ! route | grep -q default; then
+    sudo ip route add default via $CONTAINER_GATEWAY
+fi
 sleep 1
 
 # Kill any existing screens
@@ -218,7 +233,7 @@ sudo apt-get -y --force-yes install git-core vim-nox sudo
 if [ ! -d "$DEST/devstack" ]; then
     git clone git://github.com/cloudbuilders/devstack.git $DEST/devstack
 fi
-cd $DEST/devstack && $STACKSH_PARAMS ./stack.sh > /$DEST/run.sh.log
+cd $DEST/devstack && $STACKSH_PARAMS FORCE=yes ./stack.sh > /$DEST/run.sh.log
 echo >> /$DEST/run.sh.log
 echo >> /$DEST/run.sh.log
 echo "All done! Time to start clicking." >> /$DEST/run.sh.log
@@ -228,11 +243,13 @@ EOF
 chmod 755 $RUN_SH
 
 # Make runner launch on boot
-RC_LOCAL=$ROOTFS/etc/rc.local
+RC_LOCAL=$ROOTFS/etc/init.d/local
 cat > $RC_LOCAL <<EOF
 #!/bin/sh -e
 su -c "$DEST/run.sh" stack
 EOF
+chmod +x $RC_LOCAL
+chroot $ROOTFS sudo update-rc.d local defaults 80
 
 # Configure cgroup directory
 if ! mount | grep -q cgroup; then