@@ -405,25 +405,39 @@ function git_clone {

 # compute service

 git_clone $NOVA_REPO $NOVA_DIR $NOVA_BRANCH

-# storage service

-git_clone $SWIFT_REPO $SWIFT_DIR $SWIFT_BRANCH

-# swift + keystone middleware

-git_clone $SWIFT_KEYSTONE_REPO $SWIFT_KEYSTONE_DIR $SWIFT_KEYSTONE_BRANCH

-# image catalog service

-git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH

-# unified auth system (manages accounts/tokens)

-git_clone $KEYSTONE_REPO $KEYSTONE_DIR $KEYSTONE_BRANCH

-# a websockets/html5 or flash powered VNC console for vm instances

-git_clone $NOVNC_REPO $NOVNC_DIR $NOVNC_BRANCH

-# django powered web control panel for openstack

-git_clone $HORIZON_REPO $HORIZON_DIR $HORIZON_BRANCH $HORIZON_TAG

 # python client library to nova that horizon (and others) use

 git_clone $NOVACLIENT_REPO $NOVACLIENT_DIR $NOVACLIENT_BRANCH

-# openstackx is a collection of extensions to openstack.compute & nova

-# that is *deprecated*.  The code is being moved into python-novaclient & nova.

-git_clone $OPENSTACKX_REPO $OPENSTACKX_DIR $OPENSTACKX_BRANCH

-# quantum

-git_clone $QUANTUM_REPO $QUANTUM_DIR $QUANTUM_BRANCH

+if [[ "$ENABLED_SERVICES" =~ "swift" ]]; then

+    # storage service

+    git_clone $SWIFT_REPO $SWIFT_DIR $SWIFT_BRANCH

+    # swift + keystone middleware

+    git_clone $SWIFT_KEYSTONE_REPO $SWIFT_KEYSTONE_DIR $SWIFT_KEYSTONE_BRANCH

+fi

+if [[ "$ENABLED_SERVICES" =~ "g-api" ]]; then

+    # image catalog service

+    git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH

+fi

+if [[ "$ENABLED_SERVICES" =~ "key" ]]; then

+    # unified auth system (manages accounts/tokens)

+    git_clone $KEYSTONE_REPO $KEYSTONE_DIR $KEYSTONE_BRANCH

+fi

+if [[ "$ENABLED_SERVICES" =~ "n-vnc" ]]; then

+    # a websockets/html5 or flash powered VNC console for vm instances

+    git_clone $NOVNC_REPO $NOVNC_DIR $NOVNC_BRANCH

+fi

+if [[ "$ENABLED_SERVICES" =~ "horizon" ]]; then

+    # django powered web control panel for openstack

+    git_clone $HORIZON_REPO $HORIZON_DIR $HORIZON_BRANCH $HORIZON_TAG

+fi

+if [[ "$ENABLED_SERVICES" =~ "openstackx" ]]; then

+    # openstackx is a collection of extensions to openstack.compute & nova

+    # that is *deprecated*.  The code is being moved into python-novaclient & nova.

+    git_clone $OPENSTACKX_REPO $OPENSTACKX_DIR $OPENSTACKX_BRANCH

+fi

+if [[ "$ENABLED_SERVICES" =~ "quantum" ]]; then

+    # quantum

+    git_clone $QUANTUM_REPO $QUANTUM_DIR $QUANTUM_BRANCH

+fi

 # Initialization

 # ==============

@@ -431,16 +445,28 @@ git_clone $QUANTUM_REPO $QUANTUM_DIR $QUANTUM_BRANCH

 # setup our checkouts so they are installed into python path

 # allowing ``import nova`` or ``import glance.client``

-cd $KEYSTONE_DIR; sudo python setup.py develop

-cd $SWIFT_DIR; sudo python setup.py develop

-cd $SWIFT_KEYSTONE_DIR; sudo python setup.py develop

-cd $GLANCE_DIR; sudo python setup.py develop

+if [[ "$ENABLED_SERVICES" =~ "key" ]]; then

+    cd $KEYSTONE_DIR; sudo python setup.py develop

+fi

+if [[ "$ENABLED_SERVICES" =~ "swift" ]]; then

+    cd $SWIFT_DIR; sudo python setup.py develop

+    cd $SWIFT_KEYSTONE_DIR; sudo python setup.py develop

+fi

+if [[ "$ENABLED_SERVICES" =~ "g-api" ]]; then

+    cd $GLANCE_DIR; sudo python setup.py develop

+fi

 cd $NOVACLIENT_DIR; sudo python setup.py develop

 cd $NOVA_DIR; sudo python setup.py develop

-cd $OPENSTACKX_DIR; sudo python setup.py develop

-cd $HORIZON_DIR/django-openstack; sudo python setup.py develop

-cd $HORIZON_DIR/openstack-dashboard; sudo python setup.py develop

-cd $QUANTUM_DIR; sudo python setup.py develop

+if [[ "$ENABLED_SERVICES" =~ "openstackx" ]]; then

+    cd $OPENSTACKX_DIR; sudo python setup.py develop

+fi

+if [[ "$ENABLED_SERVICES" =~ "horizon" ]]; then

+    cd $HORIZON_DIR/django-openstack; sudo python setup.py develop

+    cd $HORIZON_DIR/openstack-dashboard; sudo python setup.py develop

+fi

+if [[ "$ENABLED_SERVICES" =~ "quantum" ]]; then

+    cd $QUANTUM_DIR; sudo python setup.py develop

+fi

 # Add a useful screenrc.  This isn't required to run openstack but is we do

 # it since we are going to run the services in screen for simple

@@ -819,9 +845,13 @@ add_nova_flag "--public_interface=$PUBLIC_INTERFACE"

 add_nova_flag "--vlan_interface=$VLAN_INTERFACE"

 add_nova_flag "--sql_connection=$BASE_SQL_CONN/nova"

 add_nova_flag "--libvirt_type=$LIBVIRT_TYPE"

-add_nova_flag "--osapi_extensions_path=$OPENSTACKX_DIR/extensions"

-add_nova_flag "--vncproxy_url=http://$HOST_IP:6080"

-add_nova_flag "--vncproxy_wwwroot=$NOVNC_DIR/"

+if [[ "$ENABLED_SERVICES" =~ "openstackx" ]]; then

+    add_nova_flag "--osapi_extensions_path=$OPENSTACKX_DIR/extensions"

+fi

+if [[ "$ENABLED_SERVICES" =~ "n-vnc" ]]; then

+    add_nova_flag "--vncproxy_url=http://$HOST_IP:6080"

+    add_nova_flag "--vncproxy_wwwroot=$NOVNC_DIR/"

+fi

 add_nova_flag "--api_paste_config=$NOVA_DIR/bin/nova-api-paste.ini"

 add_nova_flag "--image_service=nova.image.glance.GlanceImageService"

 add_nova_flag "--ec2_dmz_host=$EC2_DMZ_HOST"

@@ -1014,8 +1044,12 @@ screen_it n-cpu "cd $NOVA_DIR && sg libvirtd $NOVA_DIR/bin/nova-compute"

 screen_it n-vol "cd $NOVA_DIR && $NOVA_DIR/bin/nova-volume"

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

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

-screen_it n-vnc "cd $NOVNC_DIR && ./utils/nova-wsproxy.py --flagfile $NOVA_DIR/bin/nova.conf --web . 6080"

-screen_it horizon "cd $HORIZON_DIR && sudo tail -f /var/log/apache2/error.log"

+if [[ "$ENABLED_SERVICES" =~ "n-vnc" ]]; then

+    screen_it n-vnc "cd $NOVNC_DIR && ./utils/nova-wsproxy.py --flagfile $NOVA_DIR/bin/nova.conf --web . 6080"

+fi

+if [[ "$ENABLED_SERVICES" =~ "horizon" ]]; then

+    screen_it horizon "cd $HORIZON_DIR && sudo tail -f /var/log/apache2/error.log"

+fi

 # Install Images

 # ==============