use the provided localrc
diff --git a/tools/build_uec.sh b/tools/build_uec.sh
index e1d6447..240ea78 100755
--- a/tools/build_uec.sh
+++ b/tools/build_uec.sh
@@ -173,12 +173,9 @@
apt-get install git -y
git clone https://github.com/cloudbuilders/devstack.git
cd devstack
-echo DASH_BRANCH=instance-overview > localrc
-echo ADMIN_PASSWORD=golfing >> localrc
-echo MYSQL_PASSWORD=golfing >> localrc
-echo RABBIT_PASSWORD=golfing >> localrc
-echo SERVICE_TOKEN=123124123124 >> localrc
-echo FLAT_INTERFACE=br100 >> localrc
+cat > localrc <<EOF
+`cat $TOP_DIR/localrc`
+EOF
./stack.sh
EOF