roles:
- - backup.mon.a
  - backup.mgr.x
  - osd.0
  - osd.1
  - osd.2
  - client.0
  - backup.client.0
- - mon.a
  - mgr.x
  - backup.osd.0
  - backup.osd.1
  - backup.osd.2
  - client.1
  - backup.client.1
tasks:
- install:
- workunit:
    clients:
      all: [true.sh]
- workunit:
    clients:
      backup.client.1: [true.sh]