---
version: '2.0'

host-evacuate:
  description: Evacuate VMs from given host
  type: direct
  input:
    - search_opts
    - on_shared_storage
    - flavor_extra_specs

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

    list_flavors:
      action: custom.find_flavors extra_specs=<% $.flavor_extra_specs %>
      publish:
        flavors: <% $.list_flavors %>
      on-success: filter_vms

    filter_vms:
      join: all
      action: custom.filter flavors=<% $.flavors %> vms=<% $.vms %>
      publish:
        filtered_vms: <% $.filter_vms %>
      on-success: evacuate_vms

    evacuate_vms:
      with-items: vm in <% $.filtered_vms %>
      action: nova.servers_evacuate server=<% $.vm %> on_shared_storage=<% $.on_shared_storage %>