diff --git a/extras.d/70-trove.sh b/extras.d/70-trove.sh
index a4dc7fbc5b..f284354e1f 100644
--- a/extras.d/70-trove.sh
+++ b/extras.d/70-trove.sh
@@ -11,7 +11,6 @@ if is_service_enabled trove; then
         cleanup_trove
     elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
         echo_summary "Configuring Trove"
-        configure_troveclient
         configure_trove
 
         if is_service_enabled key; then
diff --git a/functions-common b/functions-common
index 333f31da02..40ecca5861 100644
--- a/functions-common
+++ b/functions-common
@@ -1594,6 +1594,17 @@ function setup_lib {
     setup_install $dir
 }
 
+# setup a library by name in editiable mode. If we are trying to use
+# the library from git, we'll do a git based install, otherwise we'll
+# punt and the library should be installed by a requirements pull from
+# another project.
+#
+# use this for non namespaced libraries
+function setup_dev_lib {
+    local name=$1
+    local dir=${GITDIR[$name]}
+    setup_develop $dir
+}
 
 # this should be used if you want to install globally, all libraries should
 # use this, especially *oslo* ones
diff --git a/lib/ceilometer b/lib/ceilometer
index db0c457262..bf5e11f7ef 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -35,8 +35,9 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["python-ceilometerclient"]=$DEST/python-ceilometerclient
+
 CEILOMETER_DIR=$DEST/ceilometer
-CEILOMETERCLIENT_DIR=$DEST/python-ceilometerclient
 CEILOMETER_CONF_DIR=/etc/ceilometer
 CEILOMETER_CONF=$CEILOMETER_CONF_DIR/ceilometer.conf
 CEILOMETER_API_LOG_DIR=/var/log/ceilometer-api
@@ -246,9 +247,11 @@ function install_ceilometer {
 
 # install_ceilometerclient() - Collect source and prepare
 function install_ceilometerclient {
-    git_clone $CEILOMETERCLIENT_REPO $CEILOMETERCLIENT_DIR $CEILOMETERCLIENT_BRANCH
-    setup_develop $CEILOMETERCLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$CEILOMETERCLIENT_DIR/tools/,/etc/bash_completion.d/}ceilometer.bash_completion
+    if use_library_from_git "python-ceilometerclient"; then
+        git_clone_by_name "python-ceilometerclient"
+        setup_dev_lib "python-ceilometerclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-ceilometerclient"]}/tools/,/etc/bash_completion.d/}ceilometer.bash_completion
+    fi
 }
 
 # start_ceilometer() - Start running processes, including screen
diff --git a/lib/cinder b/lib/cinder
index b30a036d16..2504c2e34c 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -36,8 +36,9 @@ if [[ -r $CINDER_PLUGINS/$CINDER_DRIVER ]]; then
 fi
 
 # set up default directories
+GITDIR["python-cinderclient"]=$DEST/python-cinderclient
+
 CINDER_DIR=$DEST/cinder
-CINDERCLIENT_DIR=$DEST/python-cinderclient
 CINDER_STATE_PATH=${CINDER_STATE_PATH:=$DATA_DIR/cinder}
 CINDER_AUTH_CACHE_DIR=${CINDER_AUTH_CACHE_DIR:-/var/cache/cinder}
 
@@ -401,9 +402,11 @@ function install_cinder {
 
 # install_cinderclient() - Collect source and prepare
 function install_cinderclient {
-    git_clone $CINDERCLIENT_REPO $CINDERCLIENT_DIR $CINDERCLIENT_BRANCH
-    setup_develop $CINDERCLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$CINDERCLIENT_DIR/tools/,/etc/bash_completion.d/}cinder.bash_completion
+    if use_library_from_git "python-cinderclient"; then
+        git_clone_by_name "python-cinderclient"
+        setup_dev_lib "python-cinderclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-cinderclient"]}/tools/,/etc/bash_completion.d/}cinder.bash_completion
+    fi
 }
 
 # apply config.d approach for cinder volumes directory
diff --git a/lib/glance b/lib/glance
index 4194842407..0c1045fd12 100644
--- a/lib/glance
+++ b/lib/glance
@@ -27,9 +27,10 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["python-glanceclient"]=$DEST/python-glanceclient
+GITDIR["glance_store"]=$DEST/glance_store
+
 GLANCE_DIR=$DEST/glance
-GLANCE_STORE_DIR=$DEST/glance_store
-GLANCECLIENT_DIR=$DEST/python-glanceclient
 GLANCE_CACHE_DIR=${GLANCE_CACHE_DIR:=$DATA_DIR/glance/cache}
 GLANCE_IMAGE_DIR=${GLANCE_IMAGE_DIR:=$DATA_DIR/glance/images}
 GLANCE_AUTH_CACHE_DIR=${GLANCE_AUTH_CACHE_DIR:-/var/cache/glance}
@@ -286,16 +287,20 @@ function init_glance {
 
 # install_glanceclient() - Collect source and prepare
 function install_glanceclient {
-    git_clone $GLANCECLIENT_REPO $GLANCECLIENT_DIR $GLANCECLIENT_BRANCH
-    setup_develop $GLANCECLIENT_DIR
+    if use_library_from_git "python-glanceclient"; then
+        git_clone_by_name "python-glanceclient"
+        setup_dev_lib "python-glanceclient"
+    fi
 }
 
 # install_glance() - Collect source and prepare
 function install_glance {
     # Install glance_store from git so we make sure we're testing
     # the latest code.
-    git_clone $GLANCE_STORE_REPO $GLANCE_STORE_DIR $GLANCE_STORE_BRANCH
-    setup_develop $GLANCE_STORE_DIR
+    if use_library_from_git "glance_store"; then
+        git_clone_by_name "glance_store"
+        setup_dev_lib "glance_store"
+    fi
 
     git_clone $GLANCE_REPO $GLANCE_DIR $GLANCE_BRANCH
     setup_develop $GLANCE_DIR
diff --git a/lib/heat b/lib/heat
index 53eca25450..2b55cf0f6a 100644
--- a/lib/heat
+++ b/lib/heat
@@ -29,8 +29,9 @@ set +o xtrace
 # --------
 
 # set up default directories
+GITDIR["python-heatclient"]=$DEST/python-heatclient
+
 HEAT_DIR=$DEST/heat
-HEATCLIENT_DIR=$DEST/python-heatclient
 HEAT_CFNTOOLS_DIR=$DEST/heat-cfntools
 HEAT_TEMPLATES_REPO_DIR=$DEST/heat-templates
 HEAT_AUTH_CACHE_DIR=${HEAT_AUTH_CACHE_DIR:-/var/cache/heat}
@@ -183,9 +184,11 @@ function create_heat_cache_dir {
 
 # install_heatclient() - Collect source and prepare
 function install_heatclient {
-    git_clone $HEATCLIENT_REPO $HEATCLIENT_DIR $HEATCLIENT_BRANCH
-    setup_develop $HEATCLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$HEATCLIENT_DIR/tools/,/etc/bash_completion.d/}heat.bash_completion
+    if use_library_from_git "python-heatclient"; then
+        git_clone_by_name "python-heatclient"
+        setup_dev_lib "python-heatclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-heatclient"]}/tools/,/etc/bash_completion.d/}heat.bash_completion
+    fi
 }
 
 # install_heat() - Collect source and prepare
diff --git a/lib/horizon b/lib/horizon
index 755be18f3c..8a509f5afe 100644
--- a/lib/horizon
+++ b/lib/horizon
@@ -25,8 +25,9 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["django_openstack_auth"]=$DEST/django_openstack_auth
+
 HORIZON_DIR=$DEST/horizon
-HORIZONAUTH_DIR=$DEST/django_openstack_auth
 
 # local_settings.py is used to customize Dashboard settings.
 # The example file in Horizon repo is used by default.
@@ -84,6 +85,12 @@ function cleanup_horizon {
 # configure_horizon() - Set config files, create data dirs, etc
 function configure_horizon {
     setup_develop $HORIZON_DIR
+
+    # Compile message catalogs.
+    # Horizon is installed as develop mode, so we can compile here.
+    # Message catalog compilation is handled by Django admin script,
+    # so compiling them after the installation avoids Django installation twice.
+    (cd $HORIZON_DIR; ./run_tests.sh -N --compilemessages)
 }
 
 # init_horizon() - Initialize databases, etc.
@@ -137,8 +144,16 @@ function init_horizon {
 
 # install_django_openstack_auth() - Collect source and prepare
 function install_django_openstack_auth {
-    git_clone $HORIZONAUTH_REPO $HORIZONAUTH_DIR $HORIZONAUTH_BRANCH
-    setup_install $HORIZONAUTH_DIR
+    if use_library_from_git "django_openstack_auth"; then
+        local dir=${GITDIR["django_openstack_auth"]}
+        git_clone_by_name "django_openstack_auth"
+        # Compile message catalogs before installation
+        _prepare_message_catalog_compilation
+        (cd $dir; python setup.py compile_catalog)
+        setup_dev_lib "django_openstack_auth"
+    fi
+    # if we aren't using this library from git, then we just let it
+    # get dragged in by the horizon setup.
 }
 
 # install_horizon() - Collect source and prepare
diff --git a/lib/ironic b/lib/ironic
index 5f3ebcd354..8e9c30e2b7 100644
--- a/lib/ironic
+++ b/lib/ironic
@@ -28,11 +28,12 @@ set +o pipefail
 # --------
 
 # Set up default directories
+GITDIR["python-ironicclient"]=$DEST/python-ironicclient
+
 IRONIC_DIR=$DEST/ironic
 IRONIC_PYTHON_AGENT_DIR=$DEST/ironic-python-agent
 IRONIC_DATA_DIR=$DATA_DIR/ironic
 IRONIC_STATE_PATH=/var/lib/ironic
-IRONICCLIENT_DIR=$DEST/python-ironicclient
 IRONIC_AUTH_CACHE_DIR=${IRONIC_AUTH_CACHE_DIR:-/var/cache/ironic}
 IRONIC_CONF_DIR=${IRONIC_CONF_DIR:-/etc/ironic}
 IRONIC_CONF_FILE=$IRONIC_CONF_DIR/ironic.conf
@@ -150,9 +151,14 @@ function install_ironic {
 
 # install_ironicclient() - Collect sources and prepare
 function install_ironicclient {
-    git_clone $IRONICCLIENT_REPO $IRONICCLIENT_DIR $IRONICCLIENT_BRANCH
-    setup_develop $IRONICCLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$IRONICCLIENT_DIR/tools/,/etc/bash_completion.d/}ironic.bash_completion
+    if use_library_from_git "python-ironicclient"; then
+        git_clone_by_name "python-ironicclient"
+        setup_dev_lib "python-ironicclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-ironicclient"]}/tools/,/etc/bash_completion.d/}ironic.bash_completion
+    else
+        # nothing actually "requires" ironicclient, so force instally from pypi
+        pip_install python-ironicclient
+    fi
 }
 
 # _cleanup_ironic_apache_wsgi() - Remove wsgi files, disable and remove apache vhost file
diff --git a/lib/keystone b/lib/keystone
index 1c67835a12..380b9f1d7d 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -33,6 +33,9 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["python-keystoneclient"]=$DEST/python-keystoneclient
+GITDIR["keystonemiddleware"]=$DEST/keystonemiddleware
+
 KEYSTONE_DIR=$DEST/keystone
 KEYSTONE_CONF_DIR=${KEYSTONE_CONF_DIR:-/etc/keystone}
 KEYSTONE_CONF=$KEYSTONE_CONF_DIR/keystone.conf
@@ -44,9 +47,6 @@ else
     KEYSTONE_WSGI_DIR=${KEYSTONE_WSGI_DIR:-/var/www/keystone}
 fi
 
-KEYSTONEMIDDLEWARE_DIR=$DEST/keystonemiddleware
-KEYSTONECLIENT_DIR=$DEST/python-keystoneclient
-
 # Set up additional extensions, such as oauth1, federation
 # Example of KEYSTONE_EXTENSIONS=oauth1,federation
 KEYSTONE_EXTENSIONS=${KEYSTONE_EXTENSIONS:-}
@@ -479,15 +479,19 @@ function init_keystone {
 
 # install_keystoneclient() - Collect source and prepare
 function install_keystoneclient {
-    git_clone $KEYSTONECLIENT_REPO $KEYSTONECLIENT_DIR $KEYSTONECLIENT_BRANCH
-    setup_develop $KEYSTONECLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$KEYSTONECLIENT_DIR/tools/,/etc/bash_completion.d/}keystone.bash_completion
+    if use_library_from_git "python-keystoneclient"; then
+        git_clone_by_name "python-keystoneclient"
+        setup_dev_lib "python-keystoneclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-keystoneclient"]}/tools/,/etc/bash_completion.d/}keystone.bash_completion
+    fi
 }
 
 # install_keystonemiddleware() - Collect source and prepare
 function install_keystonemiddleware {
-    git_clone $KEYSTONEMIDDLEWARE_REPO $KEYSTONEMIDDLEWARE_DIR $KEYSTONEMIDDLEWARE_BRANCH
-    setup_install $KEYSTONEMIDDLEWARE_DIR
+    if use_library_from_git "keystonemiddleware"; then
+        git_clone_by_name "keystonemiddleware"
+        setup_dev_lib "keystonemiddleware"
+    fi
 }
 
 # install_keystone() - Collect source and prepare
diff --git a/lib/neutron b/lib/neutron
index ca9b16cd8c..02aaeef529 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -75,8 +75,10 @@ fi
 
 
 # Set up default directories
+GITDIR["python-neutronclient"]=$DEST/python-neutronclient
+
+
 NEUTRON_DIR=$DEST/neutron
-NEUTRONCLIENT_DIR=$DEST/python-neutronclient
 NEUTRON_AUTH_CACHE_DIR=${NEUTRON_AUTH_CACHE_DIR:-/var/cache/neutron}
 
 # Support entry points installation of console scripts
@@ -599,9 +601,11 @@ function install_neutron {
 
 # install_neutronclient() - Collect source and prepare
 function install_neutronclient {
-    git_clone $NEUTRONCLIENT_REPO $NEUTRONCLIENT_DIR $NEUTRONCLIENT_BRANCH
-    setup_develop $NEUTRONCLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$NEUTRONCLIENT_DIR/tools/,/etc/bash_completion.d/}neutron.bash_completion
+    if use_library_from_git "python-neutronclient"; then
+        git_clone_by_name "python-neutronclient"
+        setup_dev_lib "python-neutronclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-neutronclient"]}/tools/,/etc/bash_completion.d/}neutron.bash_completion
+    fi
 }
 
 # install_neutron_agent_packages() - Collect source and prepare
diff --git a/lib/nova b/lib/nova
index f47dc9798c..01d50ebd63 100644
--- a/lib/nova
+++ b/lib/nova
@@ -29,8 +29,10 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["python-novaclient"]=$DEST/python-novaclient
+
+
 NOVA_DIR=$DEST/nova
-NOVACLIENT_DIR=$DEST/python-novaclient
 NOVA_STATE_PATH=${NOVA_STATE_PATH:=$DATA_DIR/nova}
 # INSTANCES_PATH is the previous name for this
 NOVA_INSTANCES_PATH=${NOVA_INSTANCES_PATH:=${INSTANCES_PATH:=$NOVA_STATE_PATH/instances}}
@@ -631,9 +633,11 @@ function init_nova {
 
 # install_novaclient() - Collect source and prepare
 function install_novaclient {
-    git_clone $NOVACLIENT_REPO $NOVACLIENT_DIR $NOVACLIENT_BRANCH
-    setup_develop $NOVACLIENT_DIR
-    sudo install -D -m 0644 -o $STACK_USER {$NOVACLIENT_DIR/tools/,/etc/bash_completion.d/}nova.bash_completion
+    if use_library_from_git "python-novaclient"; then
+        git_clone_by_name "python-novaclient"
+        setup_dev_lib "python-novaclient"
+        sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-novaclient"]}/tools/,/etc/bash_completion.d/}nova.bash_completion
+    fi
 }
 
 # install_nova() - Collect source and prepare
diff --git a/lib/sahara b/lib/sahara
index 233c7621ae..79591c91af 100644
--- a/lib/sahara
+++ b/lib/sahara
@@ -21,16 +21,9 @@ set +o xtrace
 # Defaults
 # --------
 
-# Set up default repos
-SAHARA_REPO=${SAHARA_REPO:-${GIT_BASE}/openstack/sahara.git}
-SAHARA_BRANCH=${SAHARA_BRANCH:-stable/juno}
-
-SAHARA_PYTHONCLIENT_REPO=${SAHARA_PYTHONCLIENT_REPO:-${GIT_BASE}/openstack/python-saharaclient.git}
-SAHARA_PYTHONCLIENT_BRANCH=${SAHARA_PYTHONCLIENT_BRANCH:-master}
-
 # Set up default directories
+GITDIR["python-saharaclient"]=$DEST/python-saharaclient
 SAHARA_DIR=$DEST/sahara
-SAHARA_PYTHONCLIENT_DIR=$DEST/python-saharaclient
 
 SAHARA_CONF_DIR=${SAHARA_CONF_DIR:-/etc/sahara}
 SAHARA_CONF_FILE=${SAHARA_CONF_DIR}/sahara.conf
@@ -153,8 +146,10 @@ function install_sahara {
 
 # install_python_saharaclient() - Collect source and prepare
 function install_python_saharaclient {
-    git_clone $SAHARA_PYTHONCLIENT_REPO $SAHARA_PYTHONCLIENT_DIR $SAHARA_PYTHONCLIENT_BRANCH
-    setup_develop $SAHARA_PYTHONCLIENT_DIR
+    if use_library_from_git "python-saharaclient"; then
+        git_clone_by_name "python-saharaclient"
+        setup_dev_lib "python-saharaclient"
+    fi
 }
 
 # start_sahara() - Start running processes, including screen
diff --git a/lib/swift b/lib/swift
index 2bf45e4a5e..a7b7f2836e 100644
--- a/lib/swift
+++ b/lib/swift
@@ -34,8 +34,10 @@ if is_ssl_enabled_service "s-proxy" || is_service_enabled tls-proxy; then
 fi
 
 # Set up default directories
+GITDIR["python-swiftclient"]=$DEST/python-swiftclient
+
+
 SWIFT_DIR=$DEST/swift
-SWIFTCLIENT_DIR=$DEST/python-swiftclient
 SWIFT_AUTH_CACHE_DIR=${SWIFT_AUTH_CACHE_DIR:-/var/cache/swift}
 SWIFT_APACHE_WSGI_DIR=${SWIFT_APACHE_WSGI_DIR:-/var/www/swift}
 SWIFT3_DIR=$DEST/swift3
@@ -654,8 +656,10 @@ function install_swift {
 }
 
 function install_swiftclient {
-    git_clone $SWIFTCLIENT_REPO $SWIFTCLIENT_DIR $SWIFTCLIENT_BRANCH
-    setup_develop $SWIFTCLIENT_DIR
+    if use_library_from_git "python-swiftclient"; then
+        git_clone_by_name "python-swiftclient"
+        setup_dev_lib "python-swiftclient"
+    fi
 }
 
 # start_swift() - Start running processes, including screen
diff --git a/lib/tempest b/lib/tempest
index a08bcd17fd..46a33ac6e7 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -44,11 +44,12 @@ set +o xtrace
 # --------
 
 # Set up default directories
+GITDIR["tempest-lib"]=$DEST/tempest-lib
+
 TEMPEST_DIR=$DEST/tempest
 TEMPEST_CONFIG_DIR=${TEMPEST_CONFIG_DIR:-$TEMPEST_DIR/etc}
 TEMPEST_CONFIG=$TEMPEST_CONFIG_DIR/tempest.conf
 TEMPEST_STATE_PATH=${TEMPEST_STATE_PATH:=$DATA_DIR/tempest}
-TEMPEST_LIB_DIR=$DEST/tempest-lib
 
 NOVA_SOURCE_DIR=$DEST/nova
 
@@ -433,8 +434,10 @@ function create_tempest_accounts {
 
 # install_tempest_lib() - Collect source, prepare, and install tempest-lib
 function install_tempest_lib {
-    git_clone $TEMPEST_LIB_REPO $TEMPEST_LIB_DIR $TEMPEST_LIB_BRANCH
-    setup_develop $TEMPEST_LIB_DIR
+    if use_library_from_git "tempest-lib"; then
+        git_clone_by_name "tempest-lib"
+        setup_dev_lib "tempest-lib"
+    fi
 }
 
 # install_tempest() - Collect source and prepare
diff --git a/lib/trove b/lib/trove
index 1d1b5f406b..cd38d111ca 100644
--- a/lib/trove
+++ b/lib/trove
@@ -28,8 +28,9 @@ else
 fi
 
 # Set up default configuration
+GITDIR["python-troveclient"]=$DEST/python-troveclient
+
 TROVE_DIR=$DEST/trove
-TROVECLIENT_DIR=$DEST/python-troveclient
 TROVE_CONF_DIR=/etc/trove
 TROVE_LOCAL_CONF_DIR=$TROVE_DIR/etc/trove
 TROVE_AUTH_CACHE_DIR=${TROVE_AUTH_CACHE_DIR:-/var/cache/trove}
@@ -109,10 +110,6 @@ function cleanup_trove {
     rm -fr $TROVE_CONF_DIR/*
 }
 
-# configure_troveclient() - Set config files, create data dirs, etc
-function configure_troveclient {
-    setup_develop $TROVECLIENT_DIR
-}
 
 # configure_trove() - Set config files, create data dirs, etc
 function configure_trove {
@@ -184,7 +181,10 @@ function configure_trove {
 
 # install_troveclient() - Collect source and prepare
 function install_troveclient {
-    git_clone $TROVECLIENT_REPO $TROVECLIENT_DIR $TROVECLIENT_BRANCH
+    if use_library_from_git "python-troveclient"; then
+        git_clone_by_name "python-troveclient"
+        setup_dev_lib "python-troveclient"
+    fi
 }
 
 # install_trove() - Collect source and prepare
diff --git a/stack.sh b/stack.sh
index 3b5fb7459b..d8ba203a50 100755
--- a/stack.sh
+++ b/stack.sh
@@ -579,9 +579,6 @@ if [[ -d $TOP_DIR/extras.d ]]; then
     done
 fi
 
-# Set the destination directories for other OpenStack projects
-OPENSTACKCLIENT_DIR=$DEST/python-openstackclient
-
 # Interactive Configuration
 # -------------------------
 
@@ -783,8 +780,14 @@ fi
 # Install middleware
 install_keystonemiddleware
 
-git_clone $OPENSTACKCLIENT_REPO $OPENSTACKCLIENT_DIR $OPENSTACKCLIENT_BRANCH
-setup_develop $OPENSTACKCLIENT_DIR
+# install the OpenStack client, needed for most setup commands
+if use_library_from_git "python-openstackclient"; then
+    git_clone_by_name "python-openstackclient"
+    setup_dev_lib "python-openstackclient"
+else
+    pip_install python-openstackclient
+fi
+
 
 if is_service_enabled key; then
     if [ "$KEYSTONE_AUTH_HOST" == "$SERVICE_HOST" ]; then
diff --git a/stackrc b/stackrc
index 4ee472a284..9b0c394db8 100644
--- a/stackrc
+++ b/stackrc
@@ -133,7 +133,7 @@ GIT_BASE=${GIT_BASE:-git://git.openstack.org}
 CEILOMETER_REPO=${CEILOMETER_REPO:-${GIT_BASE}/openstack/ceilometer.git}
 CEILOMETER_BRANCH=${CEILOMETER_BRANCH:-stable/juno}
 
-# volume service
+# block storage service
 CINDER_REPO=${CINDER_REPO:-${GIT_BASE}/openstack/cinder.git}
 CINDER_BRANCH=${CINDER_BRANCH:-stable/juno}
 
@@ -165,7 +165,11 @@ NEUTRON_BRANCH=${NEUTRON_BRANCH:-stable/juno}
 NOVA_REPO=${NOVA_REPO:-${GIT_BASE}/openstack/nova.git}
 NOVA_BRANCH=${NOVA_BRANCH:-stable/juno}
 
-# storage service
+# data processing service
+SAHARA_REPO=${SAHARA_REPO:-${GIT_BASE}/openstack/sahara.git}
+SAHARA_BRANCH=${SAHARA_BRANCH:-master}
+
+# object storage service
 SWIFT_REPO=${SWIFT_REPO:-${GIT_BASE}/openstack/swift.git}
 SWIFT_BRANCH=${SWIFT_BRANCH:-stable/juno}
 
@@ -188,8 +192,8 @@ TEMPEST_REPO=${TEMPEST_REPO:-${GIT_BASE}/openstack/tempest.git}
 TEMPEST_BRANCH=${TEMPEST_BRANCH:-master}
 
 # TODO(sdague): this should end up as a library component like below
-TEMPEST_LIB_REPO=${TEMPEST_LIB_REPO:-${GIT_BASE}/openstack/tempest-lib.git}
-TEMPEST_LIB_BRANCH=${TEMPEST_LIB_BRANCH:-master}
+GITREPO["tempest-lib"]=${TEMPEST_LIB_REPO:-${GIT_BASE}/openstack/tempest-lib.git}
+GITBRANCH["tempest-lib"]=${TEMPEST_LIB_BRANCH:-master}
 
 
 ##############
@@ -199,48 +203,54 @@ TEMPEST_LIB_BRANCH=${TEMPEST_LIB_BRANCH:-master}
 ##############
 
 # ceilometer client library
-CEILOMETERCLIENT_REPO=${CEILOMETERCLIENT_REPO:-${GIT_BASE}/openstack/python-ceilometerclient.git}
-CEILOMETERCLIENT_BRANCH=${CEILOMETERCLIENT_BRANCH:-master}
+GITREPO["python-ceilometerclient"]=${CEILOMETERCLIENT_REPO:-${GIT_BASE}/openstack/python-ceilometerclient.git}
+GITBRANCH["python-ceilometerclient"]=${CEILOMETERCLIENT_BRANCH:-master}
 
 # volume client
-CINDERCLIENT_REPO=${CINDERCLIENT_REPO:-${GIT_BASE}/openstack/python-cinderclient.git}
-CINDERCLIENT_BRANCH=${CINDERCLIENT_BRANCH:-master}
+GITREPO["python-cinderclient"]=${CINDERCLIENT_REPO:-${GIT_BASE}/openstack/python-cinderclient.git}
+GITBRANCH["python-cinderclient"]=${CINDERCLIENT_BRANCH:-master}
 
 # python glance client library
-GLANCECLIENT_REPO=${GLANCECLIENT_REPO:-${GIT_BASE}/openstack/python-glanceclient.git}
-GLANCECLIENT_BRANCH=${GLANCECLIENT_BRANCH:-master}
+GITREPO["python-glanceclient"]=${GLANCECLIENT_REPO:-${GIT_BASE}/openstack/python-glanceclient.git}
+GITBRANCH["python-glanceclient"]=${GLANCECLIENT_BRANCH:-master}
 
 # python heat client library
-HEATCLIENT_REPO=${HEATCLIENT_REPO:-${GIT_BASE}/openstack/python-heatclient.git}
-HEATCLIENT_BRANCH=${HEATCLIENT_BRANCH:-master}
+GITREPO["python-heatclient"]=${HEATCLIENT_REPO:-${GIT_BASE}/openstack/python-heatclient.git}
+GITBRANCH["python-heatclient"]=${HEATCLIENT_BRANCH:-master}
 
 # ironic client
-IRONICCLIENT_REPO=${IRONICCLIENT_REPO:-${GIT_BASE}/openstack/python-ironicclient.git}
-IRONICCLIENT_BRANCH=${IRONICCLIENT_BRANCH:-master}
+GITREPO["python-ironicclient"]=${IRONICCLIENT_REPO:-${GIT_BASE}/openstack/python-ironicclient.git}
+GITBRANCH["python-ironicclient"]=${IRONICCLIENT_BRANCH:-master}
 
 # python keystone client library to nova that horizon uses
-KEYSTONECLIENT_REPO=${KEYSTONECLIENT_REPO:-${GIT_BASE}/openstack/python-keystoneclient.git}
-KEYSTONECLIENT_BRANCH=${KEYSTONECLIENT_BRANCH:-master}
+GITREPO["python-keystoneclient"]=${KEYSTONECLIENT_REPO:-${GIT_BASE}/openstack/python-keystoneclient.git}
+GITBRANCH["python-keystoneclient"]=${KEYSTONECLIENT_BRANCH:-master}
 
 # neutron client
-NEUTRONCLIENT_REPO=${NEUTRONCLIENT_REPO:-${GIT_BASE}/openstack/python-neutronclient.git}
-NEUTRONCLIENT_BRANCH=${NEUTRONCLIENT_BRANCH:-master}
+GITREPO["python-neutronclient"]=${NEUTRONCLIENT_REPO:-${GIT_BASE}/openstack/python-neutronclient.git}
+GITBRANCH["python-neutronclient"]=${NEUTRONCLIENT_BRANCH:-master}
 
 # python client library to nova that horizon (and others) use
-NOVACLIENT_REPO=${NOVACLIENT_REPO:-${GIT_BASE}/openstack/python-novaclient.git}
-NOVACLIENT_BRANCH=${NOVACLIENT_BRANCH:-master}
+GITREPO["python-novaclient"]=${NOVACLIENT_REPO:-${GIT_BASE}/openstack/python-novaclient.git}
+GITBRANCH["python-novaclient"]=${NOVACLIENT_BRANCH:-master}
+
+# python saharaclient
+GITREPO["python-saharaclient"]=${SAHARACLIENT_REPO:-${GIT_BASE}/openstack/python-saharaclient.git}
+GITBRANCH["python-saharaclient"]=${SAHARACLIENT_BRANCH:-master}
 
 # python swift client library
-SWIFTCLIENT_REPO=${SWIFTCLIENT_REPO:-${GIT_BASE}/openstack/python-swiftclient.git}
-SWIFTCLIENT_BRANCH=${SWIFTCLIENT_BRANCH:-master}
+GITREPO["python-swiftclient"]=${SWIFTCLIENT_REPO:-${GIT_BASE}/openstack/python-swiftclient.git}
+GITBRANCH["python-swiftclient"]=${SWIFTCLIENT_BRANCH:-master}
 
 # trove client library test
-TROVECLIENT_REPO=${TROVECLIENT_REPO:-${GIT_BASE}/openstack/python-troveclient.git}
-TROVECLIENT_BRANCH=${TROVECLIENT_BRANCH:-master}
+GITREPO["python-troveclient"]=${TROVECLIENT_REPO:-${GIT_BASE}/openstack/python-troveclient.git}
+GITBRANCH["python-troveclient"]=${TROVECLIENT_BRANCH:-master}
 
 # consolidated openstack python client
-OPENSTACKCLIENT_REPO=${OPENSTACKCLIENT_REPO:-${GIT_BASE}/openstack/python-openstackclient.git}
-OPENSTACKCLIENT_BRANCH=${OPENSTACKCLIENT_BRANCH:-master}
+GITREPO["python-openstackclient"]=${OPENSTACKCLIENT_REPO:-${GIT_BASE}/openstack/python-openstackclient.git}
+GITBRANCH["python-openstackclient"]=${OPENSTACKCLIENT_BRANCH:-master}
+# this doesn't exist in a lib file, so set it here
+GITDIR["python-openstackclient"]=$DEST/python-openstackclient
 
 ###################
 #
@@ -319,8 +329,8 @@ GITBRANCH["pbr"]=${PBR_BRANCH:-master}
 ##################
 
 # glance store library
-GLANCE_STORE_REPO=${GLANCE_STORE_REPO:-${GIT_BASE}/openstack/glance_store.git}
-GLANCE_STORE_BRANCH=${GLANCE_STORE_BRANCH:-master}
+GITREPO["glance_store"]=${GLANCE_STORE_REPO:-${GIT_BASE}/openstack/glance_store.git}
+GITBRANCH["glance_store"]=${GLANCE_STORE_BRANCH:-master}
 
 # heat-cfntools server agent
 HEAT_CFNTOOLS_REPO=${HEAT_CFNTOOLS_REPO:-${GIT_BASE}/openstack/heat-cfntools.git}
@@ -331,12 +341,12 @@ HEAT_TEMPLATES_REPO=${HEAT_TEMPLATES_REPO:-${GIT_BASE}/openstack/heat-templates.
 HEAT_TEMPLATES_BRANCH=${HEAT_TEMPLATES_BRANCH:-master}
 
 # django openstack_auth library
-HORIZONAUTH_REPO=${HORIZONAUTH_REPO:-${GIT_BASE}/openstack/django_openstack_auth.git}
-HORIZONAUTH_BRANCH=${HORIZONAUTH_BRANCH:-master}
+GITREPO["django_openstack_auth"]=${HORIZONAUTH_REPO:-${GIT_BASE}/openstack/django_openstack_auth.git}
+GITBRANCH["django_openstack_auth"]=${HORIZONAUTH_BRANCH:-master}
 
 # keystone middleware
-KEYSTONEMIDDLEWARE_REPO=${KEYSTONEMIDDLEWARE_REPO:-${GIT_BASE}/openstack/keystonemiddleware.git}
-KEYSTONEMIDDLEWARE_BRANCH=${KEYSTONEMIDDLEWARE_BRANCH:-master}
+GITREPO["keystonemiddleware"]=${KEYSTONEMIDDLEWARE_REPO:-${GIT_BASE}/openstack/keystonemiddleware.git}
+GITBRANCH["keystonemiddleware"]=${KEYSTONEMIDDLEWARE_BRANCH:-master}
 
 # s3 support for swift
 SWIFT3_REPO=${SWIFT3_REPO:-${GIT_BASE}/stackforge/swift3.git}
diff --git a/tests/test_libs_from_pypi.sh b/tests/test_libs_from_pypi.sh
new file mode 100755
index 0000000000..8c0fc249fd
--- /dev/null
+++ b/tests/test_libs_from_pypi.sh
@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+
+TOP=$(cd $(dirname "$0")/.. && pwd)
+
+export TOP_DIR=$TOP
+
+# Import common functions
+source $TOP/functions
+source $TOP/stackrc
+source $TOP/lib/tls
+for i in $TOP/lib/*; do
+    if [[ -f $i ]]; then
+        source $i
+    fi
+done
+
+ALL_LIBS="python-novaclient oslo.config pbr python-troveclient python-keystoneclient taskflow oslo.middleware pycadf python-glanceclient python-ironicclient tempest-lib oslo.messaging oslo.log cliff python-heatclient stevedore python-cinderclient glance_store oslo.concurrency oslo.db oslo.vmware keystonemiddleware oslo.serialization python-saharaclient django_openstack_auth python-openstackclient oslo.rootwrap oslo.i18n python-ceilometerclient oslo.utils python-swiftclient python-neutronclient"
+
+# Generate the above list with
+# echo ${!GITREPO[@]}
+# exit 1
+
+function check_exists {
+    local thing=$1
+    local hash=$2
+    local key=$3
+    if [[ ! -z "$VERBOSE" ]]; then
+        echo "Checking for $hash[$key]"
+    fi
+    if [[ -z $thing ]]; then
+        echo "$hash[$key] does not exit!"
+        exit 1
+    else
+        if [[ ! -z "$VERBOSE" ]]; then
+            echo "$hash[$key] => $thing"
+        fi
+    fi
+}
+
+function test_all_libs_upto_date {
+    # this is all the magics
+    local found_libs=${!GITREPO[@]}
+    declare -A all_libs
+    for lib in $ALL_LIBS; do
+        all_libs[$lib]=1
+    done
+
+    for lib in $found_libs; do
+        if [[ -z ${all_libs[$lib]} ]]; then
+            echo "Library '$lib' not listed in unit tests, please add to ALL_LIBS"
+            exit 1
+        fi
+
+    done
+    echo "test_all_libs_upto_date PASSED"
+}
+
+function test_libs_exist {
+    local lib=""
+    for lib in $ALL_LIBS; do
+        check_exists "${GITREPO[$lib]}" "GITREPO" "$lib"
+        check_exists "${GITBRANCH[$lib]}" "GITBRANCH" "$lib"
+        check_exists "${GITDIR[$lib]}" "GITDIR" "$lib"
+    done
+
+    echo "test_libs_exist PASSED"
+}
+
+function test_branch_master {
+    for lib in $ALL_LIBS; do
+        if [[ ${GITBRANCH[$lib]} != "master" ]]; then
+            echo "GITBRANCH for $lib not master (${GITBRANCH[$lib]})"
+            exit 1
+        fi
+    done
+
+    echo "test_branch_master PASSED"
+}
+
+set -o errexit
+
+test_libs_exist
+test_branch_master
+test_all_libs_upto_date