planetstack/observer/steps/sync_slivers.py

   1 import os
   2 import base64
   3 from django.db.models import F, Q
   4 from planetstack.config import Config
   5 from observer.openstacksyncstep import OpenStackSyncStep
   6 from core.models.sliver import Sliver
   7
   8 class SyncSlivers(OpenStackSyncStep):
   9     provides=[Sliver]
  10     requested_interval=0
  11
  12     def fetch_pending(self):
  13         return Sliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  14
  15     def sync_record(self, slice):
  16         if not sliver.instance_id:
  17             nics = self.get_requested_networks(sliver.slice)
  18             file("/tmp/scott-manager","a").write("slice: %s\nreq: %s\n" % (str(sliver.slice.name), str(nics)))
  19             slice_memberships = SliceMembership.objects.filter(slice=sliver.slice)
  20             pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key]
  21             pubkeys.append(sliver.creator.public_key)
  22             instance = self.driver.spawn_instance(name=sliver.name,
  23                                 key_name = sliver.creator.keyname,
  24                                 image_id = sliver.image.image_id,
  25                                 hostname = sliver.node.name,
  26                                 pubkeys = pubkeys,
  27                                 nics = nics )
  28             sliver.instance_id = instance.id
  29             sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
  30
  31         if sliver.instance_id and ("numberCores" in sliver.changed_fields):
  32             self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
  33
  34         sliver.save()