+ use_floating_ips: True
+# images:
+# cirros:
+# disk_url: http://download.cirros-cloud.net/0.3.5/cirros-0.3.5-x86_64-disk.img
+ # ARM
+# disk_url: http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-disk.img
+# kernel_url: http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-kernel
+# ramdisk_url: http://download.cirros-cloud.net/daily/20161201/cirros-d161201-aarch64-initramfs
+# extra_properties:
+# os_command_line: root=/dev/vdb1 rw rootwait console=tty0 console=ttyS0 console=ttyAMA0
+# hw_video_model: vga
+# ubuntu:
+# disk_url: http://uec-images.ubuntu.com/releases/trusty/14.04/ubuntu-14.04-server-cloudimg-amd64-disk1.img
+# centos:
+# disk_url: http://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2