@@ -0,0 +1,42 @@
+# lib/oslo
+#
+# Functions to install oslo libraries from git
+#
+# We need this to handle the fact that projects would like to use
+# pre-released versions of oslo libraries.
+
+# Dependencies:
+# ``functions`` file
+
+# ``stack.sh`` calls the entry points in this order:
+#
+# install_oslo
+
+# Save trace setting
+XTRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Defaults
+# --------
+OSLOCFG_DIR=$DEST/oslo.config
+OSLOMSG_DIR=$DEST/oslo.messaging
+
+# Entry Points
+# ------------
+
+# install_oslo() - Collect source and prepare
+function install_oslo() {
+    git_clone $OSLOCFG_REPO $OSLOCFG_DIR $OSLOCFG_BRANCH
+    setup_develop $OSLOCFG_DIR
+
+    git_clone $OSLOMSG_REPO $OSLOMSG_DIR $OSLOMSG_BRANCH
+    setup_develop $OSLOMSG_DIR
+}
+
+# Restore xtrace
+$XTRACE
+
+# Local variables:
+# mode: shell-script
+# End:
@@ -299,6 +299,7 @@ SERVICE_TIMEOUT=${SERVICE_TIMEOUT:-60}
 
 # Source project function libraries
 source $TOP_DIR/lib/tls
+source $TOP_DIR/lib/oslo
 source $TOP_DIR/lib/horizon
 source $TOP_DIR/lib/keystone
 source $TOP_DIR/lib/glance
@@ -661,6 +662,9 @@ echo_summary "Installing OpenStack project source"
 git_clone $PBR_REPO $PBR_DIR $PBR_BRANCH
 setup_develop $PBR_DIR
 
+# Install oslo libraries that have graduated
+install_oslo
+
 # Install clients libraries
 install_keystoneclient
 install_glanceclient
 
@@ -116,6 +116,14 @@ NOVACLIENT_BRANCH=${NOVACLIENT_BRANCH:-master}
 OPENSTACKCLIENT_REPO=${OPENSTACKCLIENT_REPO:-${GIT_BASE}/openstack/python-openstackclient.git}
 OPENSTACKCLIENT_BRANCH=${OPENSTACKCLIENT_BRANCH:-master}
 
+# oslo.config
+OSLOCFG_REPO=${OSLOCFG_REPO:-${GIT_BASE}/openstack/oslo.config.git}
+OSLOCFG_BRANCH=${OSLOCFG_BRANCH:-master}
+
+# oslo.messaging
+OSLOMSG_REPO=${OSLOMSG_REPO:-${GIT_BASE}/openstack/oslo.messaging.git}
+OSLOMSG_BRANCH=${OSLOMSG_BRANCH:-master}
+
 # pbr drives the setuptools configs
 PBR_REPO=${PBR_REPO:-${GIT_BASE}/openstack-dev/pbr.git}
 PBR_BRANCH=${PBR_BRANCH:-master}