diff --git a/config/devstack/pre_unstack.sh b/config/devstack/pre_unstack.sh
new file mode 100755
index 00000000..33656775
--- /dev/null
+++ b/config/devstack/pre_unstack.sh
@@ -0,0 +1,45 @@
+#!/bin/bash -x
+TOP_DIR=$(cd $(dirname "$0") && pwd)
+ADMIN_RCFILE=$TOP_DIR/openrc
+
+source $TOP_DIR/functions-common
+
+if [ -e "$ADMIN_RCFILE" ]; then
+    source $ADMIN_RCFILE admin admin
+else
+    echo "Can't source '$ADMIN_RCFILE'!"
+    exit 1
+fi
+
+get_id() {
+    result=$(glance image-list | grep $(basename -s .qcow2 $1) | awk '{print $2}')
+    echo $result
+}
+
+VANILLA_2_6_0_IMAGE_PATH=/home/ubuntu/images/vanilla_2.6.0_u14.qcow2
+VANILLA_2_7_1_IMAGE_PATH=/home/ubuntu/images/vanilla_2.7.1_u14.qcow2
+HDP_2_0_6_IMAGE_PATH=/home/ubuntu/images/hdp_2.0.6_c6.6.qcow2
+AMBARI_2_3_IMAGE_PATH=/home/ubuntu/images/ambari_2.1_c6.6.qcow2
+CENTOS_CDH_5_3_0_IMAGE_PATH=/home/ubuntu/images/cdh_5.3.0_c6.6.qcow2
+UBUNTU_CDH_5_3_0_IMAGE_PATH=/home/ubuntu/images/cdh_5.3.0_u12.qcow2
+UBUNTU_CDH_5_4_0_IMAGE_PATH=/home/ubuntu/images/cdh_5.4.0_u12.qcow2
+CENTOS_CDH_5_4_0_IMAGE_PATH=/home/ubuntu/images/cdh_5.4.0_c6.6.qcow2
+SPARK_1_0_0_IMAGE_PATH=/home/ubuntu/images/spark_1.0.0_u14.qcow2
+SPARK_1_3_1_IMAGE_PATH=/home/ubuntu/images/spark_1.3.1_u14.qcow2
+MAPR_5_0_0_MRV2_IMAGE_PATH=/home/ubuntu/images/mapr_5.0.0.mrv2_u14.qcow2
+
+
+glance image-download --file $VANILLA_2_6_0_IMAGE_PATH $(get_id $VANILLA_2_6_0_IMAGE_PATH)
+glance image-download --file $VANILLA_2_7_1_IMAGE_PATH $(get_id $VANILLA_2_7_1_IMAGE_PATH)
+glance image-download --file $HDP_2_0_6_IMAGE_PATH $(get_id $HDP_2_0_6_IMAGE_PATH)
+glance image-download --file $AMBARI_2_3_IMAGE_PATH $(get_id $AMBARI_2_3_IMAGE_PATH)
+glance image-download --file $CENTOS_CDH_5_3_0_IMAGE_PATH $(get_id $CENTOS_CDH_5_3_0_IMAGE_PATH)
+glance image-download --file $UBUNTU_CDH_5_3_0_IMAGE_PATH $(get_id $UBUNTU_CDH_5_3_0_IMAGE_PATH)
+glance image-download --file $UBUNTU_CDH_5_4_0_IMAGE_PATH $(get_id $UBUNTU_CDH_5_4_0_IMAGE_PATH)
+glance image-download --file $CENTOS_CDH_5_4_0_IMAGE_PATH $(get_id $CENTOS_CDH_5_4_0_IMAGE_PATH)
+glance image-download --file $SPARK_1_0_0_IMAGE_PATH $(get_id $SPARK_1_0_0_IMAGE_PATH)
+glance image-download --file $SPARK_1_3_1_IMAGE_PATH $(get_id $SPARK_1_3_1_IMAGE_PATH)
+glance image-download --file $MAPR_5_0_0_MRV2_IMAGE_PATH $(get_id $MAPR_5_0_0_MRV2_IMAGE_PATH)
+
+bash $TOP_DIR/unstack.sh
+