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