@@ -69,6 +69,11 @@ fi

 # Destroy the old container

 lxc-destroy -n $CONTAINER

+# If this call is to TERMINATE the container then exit

+if [ "$TERMINATE" = "1" ]; then

+    exit

+fi

+

 # Create the container

 lxc-create -n $CONTAINER -t natty -f $LXC_CONF

@@ -4,16 +4,21 @@ HEAD_HOST=${HEAD_HOST:-192.168.1.52}

 COMPUTE_HOSTS=${COMPUTE_HOSTS:-192.168.1.53,192.168.1.54}

 # Networking params

-NAMESERVER=${NAMESERVER:-192.168.2.1}

+NAMESERVER=${NAMESERVER:-192.168.1.1}

 GATEWAY=${GATEWAY:-192.168.1.1}

+NETMASK=${NETMASK:-255.255.255.0}

+FLOATING_RANGE=${FLOATING_RANGE:-192.168.1.196/30}

+

+# Setting this to 1 shuts down and destroys our containers without relaunching.

+TERMINATE=${TERMINATE:-0}

 # Variables common amongst all hosts in the cluster

-COMMON_VARS="MYSQL_HOST=$HEAD_HOST RABBIT_HOST=$HEAD_HOST GLANCE_HOSTPORT=$HEAD_HOST:9292 NET_MAN=FlatDHCPManager FLAT_INTERFACE=eth0"

+COMMON_VARS="MYSQL_HOST=$HEAD_HOST RABBIT_HOST=$HEAD_HOST GLANCE_HOSTPORT=$HEAD_HOST:9292 NET_MAN=FlatDHCPManager FLAT_INTERFACE=eth0 FLOATING_RANGE=$FLOATING_RANGE MULTI_HOST=1"

 # Helper to launch containers

 function run_lxc {

     # For some reason container names with periods can cause issues :/

-    CONTAINER=$1 CONTAINER_IP=$2 CONTAINER_GATEWAY=$GATEWAY NAMESERVER=$NAMESERVER STACKSH_PARAMS="$COMMON_VARS $3" ./build_lxc.sh

+    CONTAINER=$1 CONTAINER_IP=$2 CONTAINER_NETMASK=$NETMASK CONTAINER_GATEWAY=$GATEWAY NAMESERVER=$NAMESERVER TERMINATE=$TERMINATE STACKSH_PARAMS="$COMMON_VARS $3" ./build_lxc.sh

 }

 # Launch the head node - headnode uses a non-ip domain name,

@@ -21,10 +26,12 @@ function run_lxc {

 run_lxc STACKMASTER $HEAD_HOST "ENABLED_SERVICES=g-api,g-reg,key,n-api,n-sch,n-vnc,dash,mysql,rabbit"

 # Wait till the head node is up

-while ! wget -q -O- http://$HEAD_HOST | grep -q username; do

-    echo "Waiting for head node ($HEAD_HOST) to start..."

-    sleep 5

-done

+if [ ! "$TERMINATE" = "1" ]; then

+    while ! wget -q -O- http://$HEAD_HOST | grep -q username; do

+        echo "Waiting for head node ($HEAD_HOST) to start..."

+        sleep 5

+    done

+fi

 # Launch the compute hosts

 for compute_host in ${COMPUTE_HOSTS//,/ }; do

@@ -308,6 +308,9 @@ add_nova_flag "--glance_api_servers=$GLANCE_HOSTPORT"

 if [ -n "$FLAT_INTERFACE" ]; then

     add_nova_flag "--flat_interface=$FLAT_INTERFACE"

 fi

+if [ -n "$MULTI_HOST" ]; then

+    add_nova_flag "--multi_host=$MULTI_HOST"

+fi

 # create a new named screen to store things in

 screen -d -m -S nova -t nova

@@ -319,7 +322,7 @@ if [[ "$ENABLED_SERVICES" =~ "n-cpu" ]]; then

     # device - used to manage qcow images)

     sudo modprobe nbd || true

     sudo modprobe kvm || true

-    # user needs to be member of libvirtd group for nova-compute to use libvirt

+    # User needs to be member of libvirtd group for nova-compute to use libvirt.

     sudo usermod -a -G libvirtd `whoami`

     # if kvm wasn't running before we need to restart libvirt to enable it

     sudo /etc/init.d/libvirt-bin restart

@@ -386,9 +389,9 @@ fi

 # so send the start command by forcing text into the window.

 # Only run the services specified in ``ENABLED_SERVICES``

-NL=`echo -ne '\015'`

-

+# our screen helper to launch a service in a hidden named screen

 function screen_it {

+    NL=`echo -ne '\015'`

     if [[ "$ENABLED_SERVICES" =~ "$1" ]]; then

         screen -S nova -X screen -t $1

         screen -S nova -p $1 -X stuff "$2$NL"

@@ -399,7 +402,13 @@ screen_it g-api "cd $GLANCE_DIR; bin/glance-api --config-file=etc/glance-api.con

 screen_it g-reg "cd $GLANCE_DIR; bin/glance-registry --config-file=etc/glance-registry.conf"

 screen_it key "$KEYSTONE_DIR/bin/keystone --config-file $KEYSTONE_CONF"

 screen_it n-api "$NOVA_DIR/bin/nova-api"

-screen_it n-cpu "$NOVA_DIR/bin/nova-compute"

+# Launching nova-compute should be as simple as running ``nova-compute`` but 

+# have to do a little more than that in our script.  Since we add the group 

+# ``libvirtd`` to our user in this script, when nova-compute is run it is

+# within the context of our original shell (so our groups won't be updated). 

+# We can send the command nova-compute to the ``newgrp`` command to execute

+# in a specific context.

+screen_it n-cpu "echo $NOVA_DIR/bin/nova-compute | newgrp libvirtd"

 screen_it n-net "$NOVA_DIR/bin/nova-network"

 screen_it n-sch "$NOVA_DIR/bin/nova-scheduler"

 # nova-vncproxy binds a privileged port, and so needs sudo

@@ -418,14 +427,13 @@ if [[ "$ENABLED_SERVICES" =~ "g-reg" ]]; then

     # extract ami-tty/image, aki-tty/image & ari-tty/image

     mkdir -p $FILES/images

-    cd $FILES/images

-    tar -zxf $DEST/tty.tgz

+    tar -zxf $FILES/tty.tgz -C $FILES/images

     # add images to glance 

     # FIXME: kernel/ramdisk is hardcoded - use return result from add

-    glance add name="tty-kernel" is_public=true container_format=aki disk_format=aki < aki-tty/image 

-    glance add name="tty-ramdisk" is_public=true container_format=ari disk_format=ari < ari-tty/image 

-    glance add name="tty" is_public=true container_format=ami disk_format=ami kernel_id=1 ramdisk_id=2 < ami-tty/image

+    glance add name="tty-kernel" is_public=true container_format=aki disk_format=aki < $FILES/images/aki-tty/image 

+    glance add name="tty-ramdisk" is_public=true container_format=ari disk_format=ari < $FILES/images/ari-tty/image 

+    glance add name="tty" is_public=true container_format=ami disk_format=ami kernel_id=1 ramdisk_id=2 < $FILES/images/ami-tty/image

 fi

 # Using the cloud