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 from util.logger import Logger, logging
   8
   9 logger = Logger(level=logging.INFO)
  10
  11 class SyncNetworkSlivers(OpenStackSyncStep):
  12     requested_interval = 0 # 3600
  13     provides=[NetworkSliver]
  14
  15     #     The way it works is to enumerate the all of the ports that quantum
  16     #     has, and then work backward from each port's network-id to determine
  17     #     which Network is associated from the port.
  18
  19     def call(self, **args):
  20         logger.info("sync'ing network slivers")
  21
  22         networkSlivers = NetworkSliver.objects.all()
  23         networkSlivers_by_id = {}
  24         networkSlivers_by_port = {}
  25         for networkSliver in networkSlivers:
  26             networkSlivers_by_id[networkSliver.id] = networkSliver
  27             networkSlivers_by_port[networkSliver.port_id] = networkSliver
  28
  29         networks = Network.objects.all()
  30         networks_by_id = {}
  31         for network in networks:
  32             for nd in network.networkdeployments_set.all():
  33                 networks_by_id[nd.net_id] = network
  34
  35         #logger.info("networks_by_id = ")
  36         #for (network_id, network) in networks_by_id.items():
  37         #    logger.info("   %s: %s" % (network_id, network.name))
  38
  39         slivers = Sliver.objects.all()
  40         slivers_by_instance_id = {}
  41         for sliver in slivers:
  42             slivers_by_instance_id[sliver.instance_id] = sliver
  43
  44         # Get all ports in all deployments
  45
  46         ports_by_id = {}
  47         for deployment in Deployment.objects.all():
  48             if not deployment.admin_tenant:
  49                 logger.info("deployment %s has no admin_tenant" % deployment.name)
  50                 continue
  51             try:
  52                 driver = self.driver.admin_driver(deployment=deployment.name,tenant='admin')
  53                 ports = driver.shell.quantum.list_ports()["ports"]
  54             except:
  55                 logger.log_exc("failed to get ports from deployment %s" % deployment.name)
  56                 continue
  57
  58             for port in ports:
  59                 ports_by_id[port["id"]] = port
  60
  61         for port in ports_by_id.values():
  62             #logger.info("port %s" % str(port))
  63             if port["id"] in networkSlivers_by_port:
  64                 # we already have it
  65                 #logger.info("already accounted for port %s" % port["id"])
  66                 continue
  67
  68             if port["device_owner"] != "compute:nova":
  69                 # we only want the ports that connect to instances
  70                 #logger.info("port %s is not a compute port, it is a %s" % (port["id"], port["device_owner"]))
  71                 continue
  72
  73             sliver = slivers_by_instance_id.get(port['device_id'], None)
  74             if not sliver:
  75                 logger.info("no sliver for port %s device_id %s" % (port["id"], port['device_id']))
  76                 continue
  77
  78             network = networks_by_id.get(port['network_id'], None)
  79             if not network:
  80                 logger.info("no network for port %s network %s" % (port["id"], port["network_id"]))
  81
  82                 # we know it's associated with a sliver, but we don't know
  83                 # which network it is part of.
  84
  85                 continue
  86
  87             if network.template.sharedNetworkName:
  88                 # If it's a shared network template, then more than one network
  89                 # object maps to the quantum network. We have to do a whole bunch
  90                 # of extra work to find the right one.
  91                 networks = network.template.network_set.all()
  92                 network = None
  93                 for candidate_network in networks:
  94                     if (candidate_network.owner == sliver.slice):
  95                         print "found network", candidate_network
  96                         network = candidate_network
  97
  98                 if not network:
  99                     logger.info("failed to find the correct network for a shared template for port %s network %s" % (port["id"], port["network_id"]))
 100                     continue
 101
 102             if not port["fixed_ips"]:
 103                 logger.info("port %s has no fixed_ips" % port["id"])
 104                 continue
 105
 106             ip=port["fixed_ips"][0]["ip_address"]
 107             logger.info("creating NetworkSliver (%s, %s, %s, %s)" % (str(network), str(sliver), ip, str(port["id"])))
 108
 109             ns = NetworkSliver(network=network,
 110                                sliver=sliver,
 111                                ip=ip,
 112                                port_id=port["id"])
 113             ns.save()
 114
 115         # Now, handle port forwarding
 116         # We get the list of NetworkSlivers again, since we might have just
 117         # added a few. Then, for each one of them we find it's quantum port and
 118         # make sure quantum's nat:forward_ports argument is the same.
 119
 120         for networkSliver in NetworkSliver.objects.all():
 121             try:
 122                 nat_list = networkSliver.network.nat_list
 123             except (TypeError, ValueError), e:
 124                 logger.info("Failed to decode nat_list: %s" % str(e))
 125                 continue
 126
 127             if not networkSliver.port_id:
 128                 continue
 129
 130             neutron_port = ports_by_id.get(networkSliver.port_id, None)
 131             if not neutron_port:
 132                 continue
 133
 134             neutron_nat_list = neutron_port.get("nat:forward_ports", None)
 135             if not neutron_nat_list:
 136                 # make sure that None and the empty set are treated identically
 137                 neutron_nat_list = []
 138
 139             if (neutron_nat_list != nat_list):
 140                 logger.info("Setting nat:forward_ports for port %s network %s sliver %s to %s" % (str(networkSliver.port_id), str(networkSliver.network.id), str(networkSliver.sliver), str(nat_list)))
 141                 try:
 142                     driver = self.driver.admin_driver(deployment=networkSliver.sliver.node.deployment,tenant='admin')
 143                     driver.shell.quantum.update_port(networkSliver.port_id, {"port": {"nat:forward_ports": nat_list}})
 144                 except:
 145                     logger.log_exc("failed to update port with nat_list %s" % str(nat_list))
 146                     continue
 147             else:
 148                 #logger.info("port %s network %s sliver %s nat %s is already set" % (str(networkSliver.port_id), str(networkSliver.network.id), str(networkSliver.sliver), str(nat_list)))
 149                 pass
 150
 151     def delete_record(self, network_sliver):
 152         # Nothing to do, this is an OpenCloud object
 153         pass
 154