plugins/reservation.py

   1 # $Id$
   2 # $URL$
   3 #
   4 # NodeManager plugin - first step of handling omf_controlled slices
   5
   6 """
   7 Overwrites the 'resctl' tag of slivers controlled by OMF so sm.py does the right thing
   8 """
   9
  10 import logger
  11
  12 priority = 45
  13 # this instructs nodemanager that we want to use the latest known data when the plc link is down
  14 persistent_data = True
  15
  16 def start(options, conf):
  17     logger.log("reservation: plugin starting up...")
  18
  19 def GetSlivers(data, conf = None, plc = None):
  20
  21     if 'reservation_policy' not in data:
  22         logger.log_missing_data("reservation.GetSlivers",'reservation_policy')
  23         return
  24     reservation_policy=data['reservation_policy']
  25
  26     if 'leases' not in data:
  27         logger.log_missing_data("reservation.GetSlivers",'leases')
  28         return
  29
  30     if reservation_policy in ['lease_or_idle','lease_or_shared']:
  31         logger.log( 'reservation.GetSlivers - scaffolding...')
  32     elif reservation_policy == 'none':
  33         return
  34     else:
  35         logger.log("reservation: ignoring -- unexpected value for reservation_policy %r"%reservation_policy)
  36         return