host-evacuate.yaml

---
version: '2.0'

host-evacuate:
    description: Evacuate VMs from given host
    type: direct

    input:
        - search_opts
        - on_shared_storage

    tasks:
        list_vms:
            action: nova.servers_list search_opts=<% $.search_opts %>
            publish:
                vms: <% $.list_vms %>
            on-success: filter_vms

        filter_vms:
            with-items: vm in <% $.vms %>
            action: custom.filter flavor=<% $.vm.flavor.id %> metadata=<% $.vm.metadata %> uuid=<% $.vm.id %>
            publish:
                filtered_vms: <% $.filter_vms %>
            on-success: evacuate_vms
            retry:
                delay: 5
                count: 10

        evacuate_vms:
            with-items: vm in <% $.filtered_vms %>
            action: custom.evacuate uuid=<% $.vm.uuid %> evacuate=<% $.vm.evacuate %> on_shared_storage=<% $.on_shared_storage %>
            retry:
                delay: 5
                count: 10