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.mapper.util.Utils;
  17 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  18 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  19 import org.opendaylight.neutron.spi.INeutronFloatingIPAware;
  20 import org.opendaylight.neutron.spi.NeutronFloatingIP;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L3ContextId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.l3endpoint.rev151217.NatAddress;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.l3endpoint.rev151217.NatAddressBuilder;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import com.google.common.base.Strings;
  29
  30 public class NeutronFloatingIpAware implements INeutronFloatingIPAware {
  31
  32     public static final Logger LOG = LoggerFactory.getLogger(NeutronFloatingIpAware.class);
  33     private final DataBroker dataProvider;
  34
  35     public NeutronFloatingIpAware(DataBroker dataProvider) {
  36         this.dataProvider = checkNotNull(dataProvider);
  37     }
  38
  39     @Override
  40     public int canCreateFloatingIP(NeutronFloatingIP floatingIP) {
  41         LOG.trace("canCreateFloatingIP - {}", floatingIP);
  42         return StatusCode.OK;
  43     }
  44
  45     @Override
  46     public void neutronFloatingIPCreated(NeutronFloatingIP floatingIP) {
  47         LOG.trace("neutronFloatingIPCreated - {}", floatingIP);
  48     }
  49
  50     @Override
  51     public int canUpdateFloatingIP(NeutronFloatingIP delta, NeutronFloatingIP original) {
  52         LOG.trace("canUpdateFloatingIP - delta: {} original: {}", delta, original);
  53         String oldFixedIPAddress = Strings.nullToEmpty(original.getFixedIPAddress());
  54         String newFixedIPAddress = Strings.nullToEmpty(delta.getFixedIPAddress());
  55         if (oldFixedIPAddress.equals(newFixedIPAddress)) {
  56             // interesting fields were not changed
  57             return StatusCode.OK;
  58         }
  59
  60         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  61         L3ContextId routerL3Context = new L3ContextId(delta.getRouterUUID());
  62         String newFloatingIp = Strings.nullToEmpty(delta.getFloatingIPAddress());
  63         if (!newFixedIPAddress.isEmpty() && !newFloatingIp.isEmpty()) {
  64             IpAddress epIp = Utils.createIpAddress(newFixedIPAddress);
  65             IpAddress epNatIp = Utils.createIpAddress(newFloatingIp);
  66             NatAddress nat = new NatAddressBuilder().setNatAddress(epNatIp).build();
  67             rwTx.put(LogicalDatastoreType.OPERATIONAL,
  68                     IidFactory.l3EndpointIid(routerL3Context, epIp).augmentation(NatAddress.class), nat, true);
  69         }
  70         if (!oldFixedIPAddress.isEmpty()) {
  71             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
  72                     IidFactory.l3EndpointIid(routerL3Context, Utils.createIpAddress(oldFixedIPAddress))
  73                         .augmentation(NatAddress.class),
  74                     rwTx);
  75         }
  76
  77         boolean isSubmitToDsSuccessful = DataStoreHelper.submitToDs(rwTx);
  78         if (!isSubmitToDsSuccessful) {
  79             return StatusCode.INTERNAL_SERVER_ERROR;
  80         }
  81
  82         return StatusCode.OK;
  83     }
  84
  85     @Override
  86     public void neutronFloatingIPUpdated(NeutronFloatingIP floatingIP) {
  87         LOG.trace("neutronFloatingIPUpdated - {}", floatingIP);
  88     }
  89
  90     @Override
  91     public int canDeleteFloatingIP(NeutronFloatingIP floatingIP) {
  92         LOG.trace("canDeleteFloatingIP - {}", floatingIP);
  93         return StatusCode.OK;
  94     }
  95
  96     @Override
  97     public void neutronFloatingIPDeleted(NeutronFloatingIP floatingIP) {
  98         LOG.trace("neutronFloatingIPDeleted - {}", floatingIP);
  99     }
 100
 101 }