Hi folks, Today I spent a bit of time on: https://blueprints.launchpad.net/tripleo/+spec/scale-down-tasks Which is basically adding the capability of running Ansible tasks before a node is removed during a scale down or after a scale-up. I'm focusing on the scale-down right now, as I know it's something people have been waiting for (e.g. RHSM unsubscribe, Ceph OSD tear down, Nova Compute, etc). I need inputs from folks now, on what kind of tasks would be needed, I will test them and make sure the interface we provide is enough. John, Olie, and Martin in copy have maybe some ideas, please let me know some examples of Ansible tasks that you folks want to run before a node is deleted in Ironic. Prototype: https://review.openstack.org/#/q/topic:bp/scale-down-tasks+(status:open+OR+s...) Thanks a lot, -- Emilien Macchi