neutron-mapper/src/main/java/org/opendaylight/groupbasedpolicy/neutron/mapper/mapping/NeutronFloatingIpAware.java

   1 /*
   2  * Copyright (c) 2015 Intel, Cisco Systems, 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.groupbasedpolicy.neutron.mapper.mapping;
  10
  11 import static com.google.common.base.Preconditions.checkNotNull;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.groupbasedpolicy.neutron.gbp.util.NeutronGbpIidFactory;
  17 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.Utils;
  18 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  19 import org.opendaylight.neutron.spi.INeutronFloatingIPAware;
  20 import org.opendaylight.neutron.spi.INeutronPortCRUD;
  21 import org.opendaylight.neutron.spi.NeutronCRUDInterfaces;
  22 import org.opendaylight.neutron.spi.NeutronFloatingIP;
  23 import org.opendaylight.neutron.spi.NeutronPort;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.floating.ip.association.mappings.floating.ip.ports.by.internal.ports.FloatingIpPortByInternalPortBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.floating.ip.association.mappings.internal.ports.by.floating.ip.ports.InternalPortByFloatingIpPort;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.floating.ip.association.mappings.internal.ports.by.floating.ip.ports.InternalPortByFloatingIpPortBuilder;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import com.google.common.base.Strings;
  33
  34 public class NeutronFloatingIpAware implements INeutronFloatingIPAware {
  35
  36     public static final Logger LOG = LoggerFactory.getLogger(NeutronFloatingIpAware.class);
  37     private final DataBroker dataProvider;
  38     private final EndpointService epService;
  39
  40     public NeutronFloatingIpAware(DataBroker dataProvider, EndpointService epService) {
  41         this.dataProvider = checkNotNull(dataProvider);
  42         this.epService = checkNotNull(epService);
  43     }
  44
  45     @Override
  46     public int canCreateFloatingIP(NeutronFloatingIP floatingIP) {
  47         LOG.trace("canCreateFloatingIP - {}", floatingIP);
  48         return StatusCode.OK;
  49     }
  50
  51     @Override
  52     public void neutronFloatingIPCreated(NeutronFloatingIP floatingIP) {
  53         LOG.trace("neutronFloatingIPCreated - {}", floatingIP);
  54     }
  55
  56     @Override
  57     public int canUpdateFloatingIP(NeutronFloatingIP delta, NeutronFloatingIP original) {
  58         LOG.trace("canUpdateFloatingIP - delta: {} original: {}", delta, original);
  59         // floating IP UUID is same as device ID of a port representing floating IP
  60         UniqueId floatingIpPortId = NeutronPortAware.getFloatingIpPortIdByDeviceId(original.getFloatingIPUUID());
  61         if (floatingIpPortId == null) {
  62             LOG.warn("Illegal state - Port representing floating ip where floating IP uuid is {} does not exist.",
  63                     original.getFloatingIPUUID());
  64             return StatusCode.INTERNAL_SERVER_ERROR;
  65         }
  66
  67         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  68         String oldFixedIPAddress = Strings.nullToEmpty(original.getFixedIPAddress());
  69         String oldPortUUID = Strings.nullToEmpty(original.getPortUUID());
  70         String newFixedIPAddress = Strings.nullToEmpty(delta.getFixedIPAddress());
  71         String newPortUUID = Strings.nullToEmpty(delta.getPortUUID());
  72         if (oldFixedIPAddress.equals(newFixedIPAddress) && oldPortUUID.equals(newPortUUID)) {
  73             // interesting fields were not changed
  74             return StatusCode.OK;
  75         }
  76
  77         if ((!oldFixedIPAddress.isEmpty() && newFixedIPAddress.isEmpty())
  78                 || (!oldPortUUID.isEmpty() && newPortUUID.isEmpty())) {
  79             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
  80                     NeutronGbpIidFactory.internalPortByFloatingIpPortIid(floatingIpPortId), rwTx);
  81             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
  82                     NeutronGbpIidFactory.floatingIpPortByInternalPortIid(new UniqueId(oldPortUUID)), rwTx);
  83             // TODO unregister EP representing floating ip port
  84         } else if (!newFixedIPAddress.isEmpty() && !newPortUUID.isEmpty()) {
  85             // workaround for https://bugs.opendaylight.org/show_bug.cgi?id=3368
  86             // otherwise we will create port representing floating IP in NeutronPortAware
  87             Integer errorCode = registerFloatingIpPort(original.getTenantUUID(), floatingIpPortId.getValue(), rwTx);
  88             if (errorCode != null) {
  89                 rwTx.cancel();
  90                 return errorCode;
  91             }
  92
  93             UniqueId internalPortId = new UniqueId(newPortUUID);
  94             InternalPortByFloatingIpPort internalPortByFloatingIpPort = new InternalPortByFloatingIpPortBuilder().setFloatingIpPortId(
  95                     floatingIpPortId)
  96                 .setFloatingIpPortIpAddress(Utils.createIpAddress(original.getFloatingIPAddress()))
  97                 .setInternalPortId(internalPortId)
  98                 .setInternalPortIpAddress(Utils.createIpAddress(newFixedIPAddress))
  99                 .build();
 100             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.internalPortByFloatingIpPortIid(floatingIpPortId),
 101                     internalPortByFloatingIpPort, true);
 102             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.floatingIpPortByInternalPortIid(internalPortId),
 103                     new FloatingIpPortByInternalPortBuilder(internalPortByFloatingIpPort).build(), true);
 104         }
 105         boolean isSubmitToDsSuccessful = DataStoreHelper.submitToDs(rwTx);
 106         if (!isSubmitToDsSuccessful) {
 107             return StatusCode.INTERNAL_SERVER_ERROR;
 108         }
 109
 110         return StatusCode.OK;
 111     }
 112
 113     private Integer registerFloatingIpPort(String tenantUUID, String floatingIpPortUUID, ReadWriteTransaction rwTx) {
 114         NeutronCRUDInterfaces neutronCRUDInterface = new NeutronCRUDInterfaces().fetchINeutronPortCRUD(this);
 115         INeutronPortCRUD portInterface = neutronCRUDInterface.getPortInterface();
 116         if (portInterface == null) {
 117             LOG.warn("Illegal state - No provider for {}", INeutronPortCRUD.class.getName());
 118             return StatusCode.INTERNAL_SERVER_ERROR;
 119         }
 120         NeutronPort floatingIpPort = portInterface.getPort(floatingIpPortUUID);
 121         // TenantId tenantId = new TenantId(Utils.normalizeUuid());
 122         floatingIpPort.setTenantID(tenantUUID);
 123         boolean isNeutronPortCreated = NeutronPortAware.addNeutronPort(floatingIpPort, rwTx, epService);
 124         if (!isNeutronPortCreated) {
 125             rwTx.cancel();
 126             return StatusCode.INTERNAL_SERVER_ERROR;
 127         }
 128         return null;
 129     }
 130
 131     @Override
 132     public void neutronFloatingIPUpdated(NeutronFloatingIP floatingIP) {
 133         LOG.trace("neutronFloatingIPUpdated - {}", floatingIP);
 134     }
 135
 136     @Override
 137     public int canDeleteFloatingIP(NeutronFloatingIP floatingIP) {
 138         LOG.trace("canDeleteFloatingIP - {}", floatingIP);
 139         return StatusCode.OK;
 140     }
 141
 142     @Override
 143     public void neutronFloatingIPDeleted(NeutronFloatingIP floatingIP) {
 144         LOG.trace("neutronFloatingIPDeleted - {}", floatingIP);
 145     }
 146
 147 }