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

   1 /*
   2  * Copyright (c) 2013, 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
   9 package org.opendaylight.netvirt.openstack.netvirt.impl;
  10
  11 import com.google.common.base.Preconditions;
  12
  13 import java.util.List;
  14
  15 import org.opendaylight.netvirt.openstack.netvirt.ConfigInterface;
  16 import org.opendaylight.netvirt.openstack.netvirt.api.TenantNetworkManager;
  17 import org.opendaylight.netvirt.openstack.netvirt.api.VlanConfigurationCache;
  18 import org.opendaylight.netvirt.openstack.netvirt.translator.NeutronNetwork;
  19 import org.opendaylight.netvirt.openstack.netvirt.translator.crud.INeutronNetworkCRUD;
  20 import org.opendaylight.netvirt.openstack.netvirt.translator.crud.INeutronPortCRUD;
  21 import org.opendaylight.netvirt.openstack.netvirt.translator.NeutronPort;
  22 import org.opendaylight.netvirt.openstack.netvirt.api.Constants;
  23 import org.opendaylight.netvirt.openstack.netvirt.api.Southbound;
  24 import org.opendaylight.netvirt.utils.servicehelper.ServiceHelper;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  27 import org.osgi.framework.ServiceReference;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class TenantNetworkManagerImpl implements ConfigInterface, TenantNetworkManager {
  32     private static final Logger LOG = LoggerFactory.getLogger(TenantNetworkManagerImpl.class);
  33     private INeutronNetworkCRUD neutronNetworkCache;
  34     private INeutronPortCRUD neutronPortCache;
  35     private VlanConfigurationCache vlanConfigurationCache;
  36     private Southbound southbound;
  37     private volatile NeutronL3Adapter neutronL3Adapter;
  38
  39     @Override
  40     public int getInternalVlan(Node node, String networkId) {
  41         Integer vlan = vlanConfigurationCache.getInternalVlan(node, networkId);
  42         if (vlan == null) {
  43             return 0;
  44         }
  45         return vlan;
  46     }
  47
  48     @Override
  49     public void reclaimInternalVlan(Node node, NeutronNetwork network) {
  50         int vlan = vlanConfigurationCache.reclaimInternalVlan(node, network.getID());
  51         if (vlan <= 0) {
  52             LOG.debug("Unable to get an internalVlan for Network {}", network);
  53             return;
  54         }
  55         LOG.debug("Removed Vlan {} on {}", vlan);
  56     }
  57
  58     @Override
  59     public void programInternalVlan(Node node, OvsdbTerminationPointAugmentation tp, NeutronNetwork network) {
  60         int vlan = vlanConfigurationCache.getInternalVlan(node, network.getID());
  61         LOG.debug("Programming Vlan {} on {}", vlan, tp);
  62         if (vlan <= 0) {
  63             LOG.debug("Unable to get an internalVlan for Network {}", network);
  64             return;
  65         }
  66
  67         southbound.addVlanToTp(vlan);
  68     }
  69
  70     @Override
  71     public boolean isTenantNetworkPresentInNode(Node node, String segmentationId) {
  72         String networkId = this.getNetworkId(segmentationId);
  73         if (networkId == null) {
  74             LOG.debug("Tenant Network not found with Segmenation-id {}", segmentationId);
  75             return false;
  76         }
  77
  78         try {
  79             // Make sure to get fresh list of termination points, and not use the ones provided in node param!
  80             List<OvsdbTerminationPointAugmentation> ports = southbound.readTerminationPointAugmentations(node);
  81
  82             for (OvsdbTerminationPointAugmentation port : ports) {
  83                 String ifaceId = southbound.getInterfaceExternalIdsValue(port, Constants.EXTERNAL_ID_INTERFACE_ID);
  84                 if (ifaceId != null && isInterfacePresentInTenantNetwork(ifaceId, networkId)) {
  85                     LOG.debug("Tenant Network {} with Segmentation-id {} is present in Node {} / Interface {}",
  86                             networkId, segmentationId, node, port);
  87                     return true;
  88                 }
  89             }
  90         } catch (Exception e) {
  91             LOG.error("Error while trying to determine if network is present on node", e);
  92             return false;
  93         }
  94
  95         LOG.debug("Tenant Network {} with Segmenation-id {} is NOT present in Node {}",
  96                 networkId, segmentationId, node);
  97
  98         return false;
  99     }
 100
 101     @Override
 102     public String getNetworkId(String segmentationId) {
 103         Preconditions.checkNotNull(neutronNetworkCache);
 104         List <NeutronNetwork> networks = neutronNetworkCache.getAllNetworks();
 105         for (NeutronNetwork network : networks) {
 106             if (network.getProviderSegmentationID() != null &&
 107                     network.getProviderSegmentationID().equalsIgnoreCase(segmentationId)) {
 108                 return network.getNetworkUUID();
 109             }
 110         }
 111         for (String networkUuid : neutronL3Adapter.getNetworkCleanupCache().keySet()) {
 112             NeutronNetwork network = neutronL3Adapter.getNetworkFromCleanupCache(networkUuid);
 113             if (network.getProviderSegmentationID() != null &&
 114                     network.getProviderSegmentationID().equalsIgnoreCase(segmentationId)) {
 115                 return network.getNetworkUUID();
 116             }
 117         }
 118         return null;
 119     }
 120
 121     @Override
 122     public NeutronNetwork getTenantNetwork(OvsdbTerminationPointAugmentation terminationPointAugmentation) {
 123         Preconditions.checkNotNull(neutronNetworkCache);
 124         Preconditions.checkNotNull(neutronPortCache);
 125         NeutronNetwork neutronNetwork = null;
 126
 127         LOG.debug("getTenantNetwork for {}", terminationPointAugmentation);
 128         String neutronPortId = southbound.getInterfaceExternalIdsValue(terminationPointAugmentation,
 129                 Constants.EXTERNAL_ID_INTERFACE_ID);
 130         if (neutronPortId != null) {
 131             NeutronPort neutronPort = neutronL3Adapter.getPortPreferablyFromCleanupCache(neutronPortId);
 132             if (neutronPort != null) {
 133                 neutronNetwork = neutronNetworkCache.getNetwork(neutronPort.getNetworkUUID());
 134                 if (null == neutronNetwork) {
 135                     neutronNetwork = neutronL3Adapter.getNetworkFromCleanupCache(neutronPort.getNetworkUUID());
 136                 }
 137                 if (neutronNetwork != null) {
 138                     LOG.debug("mapped to {}", neutronNetwork);
 139                 } else {
 140                     LOG.debug("getTenantNetwork: did not find neutronNetwork in cache from neutronPort {}",
 141                                  neutronPortId);
 142                 }
 143             } else {
 144                 LOG.info("getTenantNetwork did not find neutronPort {} from termination point {}",
 145                         neutronPortId, terminationPointAugmentation.getName());
 146             }
 147         } else {
 148             LOG.debug("getTenantNetwork: did not find {} in external_ids", Constants.EXTERNAL_ID_INTERFACE_ID);
 149         }
 150         return neutronNetwork;
 151     }
 152
 153     @Override
 154     public NeutronPort getTenantPort(OvsdbTerminationPointAugmentation terminationPointAugmentation) {
 155         Preconditions.checkNotNull(neutronPortCache);
 156         NeutronPort neutronPort = null;
 157
 158         LOG.trace("getTenantPort for {}", terminationPointAugmentation.getName());
 159         String neutronPortId = southbound.getInterfaceExternalIdsValue(terminationPointAugmentation,
 160                 Constants.EXTERNAL_ID_INTERFACE_ID);
 161         if (neutronPortId != null) {
 162             neutronPort = neutronL3Adapter.getPortPreferablyFromCleanupCache(neutronPortId);
 163         }
 164
 165         return neutronPort;
 166     }
 167
 168     @Override
 169     public int networkCreated (Node node, String networkId) {
 170         return vlanConfigurationCache.assignInternalVlan(node, networkId);
 171     }
 172
 173     @Override
 174     public void networkDeleted(String id) {
 175         //ToDo: Delete? This method does nothing since container support was dropped...
 176     }
 177
 178     private boolean isInterfacePresentInTenantNetwork (String portId, String networkId) {
 179         NeutronPort neutronPort = neutronL3Adapter.getPortPreferablyFromCleanupCache(portId);
 180         return neutronPort != null && neutronPort.getNetworkUUID().equalsIgnoreCase(networkId);
 181     }
 182
 183     @Override
 184     public void setDependencies(ServiceReference serviceReference) {
 185         vlanConfigurationCache =
 186                 (VlanConfigurationCache) ServiceHelper.getGlobalInstance(VlanConfigurationCache.class, this);
 187         southbound =
 188                 (Southbound) ServiceHelper.getGlobalInstance(Southbound.class, this);
 189         neutronL3Adapter =
 190                 (NeutronL3Adapter) ServiceHelper.getGlobalInstance(NeutronL3Adapter.class, this);
 191     }
 192
 193     @Override
 194     public void setDependencies(Object impl) {
 195         if (impl instanceof INeutronNetworkCRUD) {
 196             neutronNetworkCache = (INeutronNetworkCRUD)impl;
 197         } else if (impl instanceof INeutronPortCRUD) {
 198             neutronPortCache = (INeutronPortCRUD)impl;
 199         }
 200     }
 201 }