openstack/net-virt/src/main/java/org/opendaylight/netvirt/openstack/netvirt/impl/OvsdbInventoryServiceImpl.java

   1 /*
   2  * Copyright (c) 2015 Red Hat, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netvirt.openstack.netvirt.impl;
   9
  10 import com.google.common.collect.Sets;
  11
  12 import java.util.Set;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  17 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronRouterChangeListener;
  18 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronSecurityRuleDataChangeListener;
  19 import org.opendaylight.netvirt.openstack.netvirt.ClusterAwareMdsalUtils;
  20 import org.opendaylight.netvirt.openstack.netvirt.ConfigInterface;
  21 import org.opendaylight.netvirt.openstack.netvirt.NetvirtProvider;
  22 import org.opendaylight.netvirt.openstack.netvirt.api.Constants;
  23 import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbInventoryService;
  24 import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbInventoryListener;
  25 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronFloatingIPChangeListener;
  26 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronNetworkChangeListener;
  27 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronPortChangeListener;
  28 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronSubnetChangeListener;
  29 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronLoadBalancerPoolChangeListener;
  30 import org.opendaylight.netvirt.openstack.netvirt.translator.iaware.impl.NeutronLoadBalancerPoolMemberChangeListener;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.osgi.framework.ServiceReference;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 /**
  43  * OvsdbInventoryServiceImpl is the implementation for {@link OvsdbInventoryService}
  44  *
  45  * @author Sam Hague (shague@redhat.com)
  46  */
  47 public class OvsdbInventoryServiceImpl implements ConfigInterface, OvsdbInventoryService {
  48     private static final Logger LOG = LoggerFactory.getLogger(OvsdbInventoryServiceImpl.class);
  49     private final DataBroker dataBroker;
  50     private static Set<OvsdbInventoryListener> ovsdbInventoryListeners = Sets.newCopyOnWriteArraySet();
  51     private OvsdbDataChangeListener ovsdbDataChangeListener = null;
  52     private static ClusterAwareMdsalUtils mdsalUtils = null;
  53
  54     public OvsdbInventoryServiceImpl(final DataBroker dataBroker) {
  55         this.dataBroker = dataBroker;
  56         LOG.info("OvsdbInventoryServiceImpl initialized");
  57         ovsdbDataChangeListener = new OvsdbDataChangeListener(dataBroker);
  58         mdsalUtils = new ClusterAwareMdsalUtils(dataBroker);
  59     }
  60
  61     @Override
  62     public void listenerAdded(OvsdbInventoryListener listener) {
  63         ovsdbInventoryListeners.add(listener);
  64         LOG.info("listenerAdded: {}", listener);
  65     }
  66
  67     @Override
  68     public void listenerRemoved(OvsdbInventoryListener listener) {
  69         ovsdbInventoryListeners.remove(listener);
  70         LOG.info("listenerRemoved: {}", listener);
  71     }
  72
  73     @Override
  74     public void providersReady() {
  75         ovsdbDataChangeListener.start();
  76         initializeNeutronModelsDataChangeListeners(dataBroker);
  77         initializeNetvirtTopology();
  78     }
  79
  80     public static Set<OvsdbInventoryListener> getOvsdbInventoryListeners() {
  81         return ovsdbInventoryListeners;
  82     }
  83
  84     @Override
  85     public void setDependencies(ServiceReference serviceReference) {}
  86
  87     @Override
  88     public void setDependencies(Object impl) {}
  89
  90     private void initializeNetvirtTopology() {
  91         while(!NetvirtProvider.isMasterElected()){
  92             try {
  93                 Thread.sleep(100);
  94             } catch (InterruptedException e) {
  95                 LOG.warn("Netvirt thread waiting on Netvirt Ownership Election is interrupted");
  96             }
  97         }
  98         final TopologyId topologyId = new TopologyId(new Uri(Constants.NETVIRT_TOPOLOGY_ID));
  99         InstanceIdentifier<Topology> path =
 100                 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, new TopologyKey(topologyId));
 101         TopologyBuilder tpb = new TopologyBuilder();
 102         tpb.setTopologyId(topologyId);
 103         if (! mdsalUtils.put(LogicalDatastoreType.OPERATIONAL, path, tpb.build())) {
 104             LOG.error("Error initializing netvirt topology");
 105         }
 106     }
 107
 108     private void initializeNeutronModelsDataChangeListeners(
 109             DataBroker db) {
 110         new NeutronNetworkChangeListener(db);
 111         new NeutronSubnetChangeListener(db);
 112         new NeutronPortChangeListener(db);
 113         new NeutronRouterChangeListener(db);
 114         new NeutronFloatingIPChangeListener(db);
 115         new NeutronLoadBalancerPoolChangeListener(db);
 116         new NeutronLoadBalancerPoolMemberChangeListener(db);
 117         new NeutronSecurityRuleDataChangeListener(db);
 118     }
 119
 120 }