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When zombie s arise they can be handled manually by ecflowview. (See Zombie) or via the command line interface:

  • ecflow_client –zombie_get
  • ecflow_client –zombie_fail <task-path>
  • ecflow_client –zombie_fob <task-path>
  • ecflow_client –zombie_adopt <task-path>
  • ecflow_client –zombie_remove <task-path>
  • ecflow_client –zombie_block <task-path>

However it is also possible to ask ecflow_server to make the same response in an automated fashion. How ever very careful consideration should be made before doing this. Otherwise it could mask a serious underlying problem.

The automated response can be defined with:

  • python interface( See ecflow.ZombieAttr)

  • text interface ( See Definition file Grammar)

    zombie             ::=  "zombie" >> `zombie_type` >> ":" >> !(`client_side_action` | `server_side_action`) >> ":" >> *`child` >> ":" >> !`zombie_life_time`
zombie_type        ::=  "user" | "ecf" | "path"
child              ::=  "init" | "event" | "meter" | "label" | "wait" | "abort" | "complete"
client_side_action ::=  "fob" | "fail" | "block"
server_side_action ::=  "adopt" | "delete"
zombie_life_time   ::=  unsigned integer  ( default:  user(300), ecf(3600), path(900)  )

The zombie attribute is inherited in the same manner as Variable inheritance.

Example: For tasks under suite “s1” add a zombie attribute, such that child label commands(i.e ecflow_client –label) never block:

  • python

    s1 = ecflow.Suite('s1')
child_list = [ ChildCmdType.label ]
zombie_attr = ZombieAttr(ZombieType.ecf, child_list, ZombieUserActionType.fob, 300)
s1.add_zombie(zombie_attr)

  • text

    suite s1
   zombie ecf:fob:label:

Example: For tasks under suite “s1” add a zombie attribute, such that child commands( event, meter, label) never block:

  • python

    s1 = ecflow.Suite('s1')
child_list = [ ChildCmdType.label, ChildCmdType.event, ChildCmdType.meter ]
zombie_attr = ZombieAttr(ZombieType.ecf, child_list, ZombieUserActionType.fob, 300)
s1.add_zombie(zombie_attr)

  • text

    suite s1
   zombie ecf:fob:label,event,meter:

Example: For all tasks under family “critical”, if any zombies arise then fail the job:

  • python

    with ecflow.Suite('s1') as s1:
   with s1.add_family("critical") as crit :
      child_list = [ ]  # empty child list means apply to all child commands
      crit.add_zombie(ZombieAttr(ZombieType.ecf, child_list, ZombieUserActionType.fail, 300))
      crit.add_zombie(ZombieAttr(ZombieType.path, child_list, ZombieUserActionType.fail, 300))
      crit.add_zombie(ZombieAttr(ZombieType.user, child_list, ZombieUserActionType.fail, 300))

  • text

    suite s1
   family critical
      zombie ecf:fail::
      zombie path:fail::
      zombie user:fail::
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