planetstack/openstack_observer/steps/sync_network_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.network import *
   7
   8 class SyncNetworkSlivers(OpenStackSyncStep):
   9     requested_interval = 3600
  10     provides=[NetworkSliver]
  11
  12     def fetch_pending(self):
  13         return NetworkSliver.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  14
  15     def call(self, failed=[]):
  16         networkSlivers = NetworkSliver.objects.all()
  17         networkSlivers_by_id = {}
  18         networkSlivers_by_port = {}
  19         for networkSliver in networkSlivers:
  20             networkSlivers_by_id[networkSliver.id] = networkSliver
  21             networkSlivers_by_port[networkSliver.port_id] = networkSliver
  22
  23         networks = Network.objects.all()
  24         networks_by_id = {}
  25         for network in networks:
  26             networks_by_id[network.network_id] = network
  27
  28         slivers = Sliver.objects.all()
  29         slivers_by_instance_id = {}
  30         for sliver in slivers:
  31             slivers_by_instance_id[sliver.instance_id] = sliver
  32
  33         driver = self.driver.client_driver(caller=sliver.creator, tenant=sliver.slice.name, deployment=sliver.node.deployment.name)
  34         ports = driver.shell.quantum.list_ports()["ports"]
  35         for port in ports:
  36             if port["id"] in networkSlivers_by_port:
  37                 # we already have it
  38                 print "already accounted for port", port["id"]
  39                 continue
  40
  41             if port["device_owner"] != "compute:nova":
  42                 # we only want the ports that connect to instances
  43                 continue
  44
  45             network = networks_by_id.get(port['network_id'], None)
  46             if not network:
  47                 #print "no network for port", port["id"], "network", port["network_id"]
  48                 continue
  49
  50             sliver = slivers_by_instance_id.get(port['device_id'], None)
  51             if not sliver:
  52                 print "no sliver for port", port["id"], "device_id", port['device_id']
  53                 continue
  54
  55             if network.template.sharedNetworkId is not None:
  56                 # If it's a shared network template, then more than one network
  57                 # object maps to the quantum network. We have to do a whole bunch
  58                 # of extra work to find the right one.
  59                 networks = network.template.network_set.all()
  60                 network = None
  61                 for candidate_network in networks:
  62                     if (candidate_network.owner == sliver.slice):
  63                         print "found network", candidate_network
  64                         network = candidate_network
  65
  66                 if not network:
  67                     print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
  68                     continue
  69
  70             if not port["fixed_ips"]:
  71                 print "port", port["id"], "has no fixed_ips"
  72                 continue
  73
  74 #             print "XXX", port
  75
  76             ns = NetworkSliver(network=network,
  77                                sliver=sliver,
  78                                ip=port["fixed_ips"][0]["ip_address"],
  79                                port_id=port["id"])
  80             ns.save()