planetstack/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         ports = self.driver.shell.quantum.list_ports()["ports"]
  34         for port in ports:
  35             if port["id"] in networkSlivers_by_port:
  36                 # we already have it
  37                 print "already accounted for port", port["id"]
  38                 continue
  39
  40             if port["device_owner"] != "compute:nova":
  41                 # we only want the ports that connect to instances
  42                 continue
  43
  44             network = networks_by_id.get(port['network_id'], None)
  45             if not network:
  46                 #print "no network for port", port["id"], "network", port["network_id"]
  47                 continue
  48
  49             sliver = slivers_by_instance_id.get(port['device_id'], None)
  50             if not sliver:
  51                 print "no sliver for port", port["id"], "device_id", port['device_id']
  52                 continue
  53
  54             if network.template.sharedNetworkId is not None:
  55                 # If it's a shared network template, then more than one network
  56                 # object maps to the quantum network. We have to do a whole bunch
  57                 # of extra work to find the right one.
  58                 networks = network.template.network_set.all()
  59                 network = None
  60                 for candidate_network in networks:
  61                     if (candidate_network.owner == sliver.slice):
  62                         print "found network", candidate_network
  63                         network = candidate_network
  64
  65                 if not network:
  66                     print "failed to find the correct network for a shared template for port", port["id"], "network", port["network_id"]
  67                     continue
  68
  69             if not port["fixed_ips"]:
  70                 print "port", port["id"], "has no fixed_ips"
  71                 continue
  72
  73 #             print "XXX", port
  74
  75             ns = NetworkSliver(network=network,
  76                                sliver=sliver,
  77                                ip=port["fixed_ips"][0]["ip_address"],
  78                                port_id=port["id"])
  79             ns.save()