import os
import base64
from planetstack.config import Config
from observer.openstacksyncstep import OpenStackSyncStep
from core.models.sliver import Sliver

class SyncSlivers(OpenStackSyncStep):
	provides=[Sliver]
	requested_interval=0
	def sync_record(self, slice):
		if not sliver.instance_id:
				nics = self.get_requested_networks(sliver.slice)
				file("/tmp/scott-manager","a").write("slice: %s\nreq: %s\n" % (str(sliver.slice.name), str(nics)))
				slice_memberships = SliceMembership.objects.filter(slice=sliver.slice)
				pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key]
				pubkeys.append(sliver.creator.public_key)
				instance = self.driver.spawn_instance(name=sliver.name,
									key_name = sliver.creator.keyname,
									image_id = sliver.image.image_id,
									hostname = sliver.node.name,
									pubkeys = pubkeys,
									nics = nics )
				sliver.instance_id = instance.id
				sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')

		if sliver.instance_id and ("numberCores" in sliver.changed_fields):
			self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})

		sliver.save()