+
+###################
+# OPTIONAL IMAGES #
+###################
+# Optional images can be commented if they are not going to be used by the tests
+
+# SDNVPN (odl-bgpvpn scenarios):
+if [[ ${SCENARIO} == *"bgpvpn"* ]]; then
+ wget -nc http://artifacts.opnfv.org/sdnvpn/ubuntu-16.04-server-cloudimg-amd64-disk1.img -P ${IMAGES_FOLDER_DIR}
+fi
+
+# ONOS (onos-sfc scenarios):
+if [[ ${SCENARIO} == *"onos-sfc"* ]]; then
+ wget -nc http://artifacts.opnfv.org/onosfw/images/firewall_block_image.img -P ${IMAGES_FOLDER_DIR}
+fi
+
+if [[ ${ARCH} == "arm" ]] || [[ ${ARCH} == "aarch64" ]]; then
+ # ARM (aarch64 cirros images):
+ wget -nc ${CIRROS_REPO_URL}/daily/20${CIRROS_AARCH64_TAG}/cirros-d${CIRROS_AARCH64_TAG}-aarch64-disk.img -P ${IMAGES_FOLDER_DIR}
+ wget -nc ${CIRROS_REPO_URL}/daily/20${CIRROS_AARCH64_TAG}/cirros-d${CIRROS_AARCH64_TAG}-aarch64-initramfs -P ${IMAGES_FOLDER_DIR}
+ wget -nc ${CIRROS_REPO_URL}/daily/20${CIRROS_AARCH64_TAG}/cirros-d${CIRROS_AARCH64_TAG}-aarch64-kernel -P ${IMAGES_FOLDER_DIR}
+fi
+