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

   1 package org.opendaylight.groupbasedpolicy.neutron.mapper.mapping;
   2
   3 import static com.google.common.base.Preconditions.checkNotNull;
   4
   5 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
   6 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
   7 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
   8 import org.opendaylight.groupbasedpolicy.neutron.gbp.util.NeutronGbpIidFactory;
   9 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.Utils;
  10 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  11 import org.opendaylight.neutron.spi.INeutronFloatingIPAware;
  12 import org.opendaylight.neutron.spi.INeutronPortCRUD;
  13 import org.opendaylight.neutron.spi.NeutronCRUDInterfaces;
  14 import org.opendaylight.neutron.spi.NeutronFloatingIP;
  15 import org.opendaylight.neutron.spi.NeutronPort;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.UniqueId;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.endpoint.rev140421.EndpointService;
  18 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;
  19 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;
  20 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;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import com.google.common.base.Strings;
  25
  26 public class NeutronFloatingIpAware implements INeutronFloatingIPAware {
  27
  28     public static final Logger LOG = LoggerFactory.getLogger(NeutronFloatingIpAware.class);
  29     private final DataBroker dataProvider;
  30     private final EndpointService epService;
  31
  32     public NeutronFloatingIpAware(DataBroker dataProvider, EndpointService epService) {
  33         this.dataProvider = checkNotNull(dataProvider);
  34         this.epService = checkNotNull(epService);
  35     }
  36
  37     @Override
  38     public int canCreateFloatingIP(NeutronFloatingIP floatingIP) {
  39         LOG.trace("canCreateFloatingIP - {}", floatingIP);
  40         return StatusCode.OK;
  41     }
  42
  43     @Override
  44     public void neutronFloatingIPCreated(NeutronFloatingIP floatingIP) {
  45         LOG.trace("neutronFloatingIPCreated - {}", floatingIP);
  46     }
  47
  48     @Override
  49     public int canUpdateFloatingIP(NeutronFloatingIP delta, NeutronFloatingIP original) {
  50         LOG.trace("canUpdateFloatingIP - delta: {} original: {}", delta, original);
  51         // floating IP UUID is same as device ID of a port representing floating IP
  52         UniqueId floatingIpPortId = NeutronPortAware.getFloatingIpPortIdByDeviceId(original.getFloatingIPUUID());
  53         if (floatingIpPortId == null) {
  54             LOG.warn("Illegal state - Port representing floating ip where floating IP uuid is {} does not exist.",
  55                     original.getFloatingIPUUID());
  56             return StatusCode.INTERNAL_SERVER_ERROR;
  57         }
  58
  59         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  60         String oldFixedIPAddress = Strings.nullToEmpty(original.getFixedIPAddress());
  61         String oldPortUUID = Strings.nullToEmpty(original.getPortUUID());
  62         String newFixedIPAddress = Strings.nullToEmpty(delta.getFixedIPAddress());
  63         String newPortUUID = Strings.nullToEmpty(delta.getPortUUID());
  64         if (oldFixedIPAddress.equals(newFixedIPAddress) && oldPortUUID.equals(newPortUUID)) {
  65             // interesting fields were not changed
  66             return StatusCode.OK;
  67         }
  68
  69         if ((!oldFixedIPAddress.isEmpty() && newFixedIPAddress.isEmpty())
  70                 || (!oldPortUUID.isEmpty() && newPortUUID.isEmpty())) {
  71             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
  72                     NeutronGbpIidFactory.internalPortByFloatingIpPortIid(floatingIpPortId), rwTx);
  73             DataStoreHelper.removeIfExists(LogicalDatastoreType.OPERATIONAL,
  74                     NeutronGbpIidFactory.floatingIpPortByInternalPortIid(new UniqueId(oldPortUUID)), rwTx);
  75             // TODO unregister EP representing floating ip port
  76         } else if (!newFixedIPAddress.isEmpty() && !newPortUUID.isEmpty()) {
  77             // workaround for https://bugs.opendaylight.org/show_bug.cgi?id=3368
  78             // otherwise we will create port representing floating IP in NeutronPortAware
  79             Integer errorCode = registerFloatingIpPort(original.getTenantUUID(), floatingIpPortId.getValue(), rwTx);
  80             if (errorCode != null) {
  81                 rwTx.cancel();
  82                 return errorCode;
  83             }
  84
  85             UniqueId internalPortId = new UniqueId(newPortUUID);
  86             InternalPortByFloatingIpPort internalPortByFloatingIpPort = new InternalPortByFloatingIpPortBuilder().setFloatingIpPortId(
  87                     floatingIpPortId)
  88                 .setFloatingIpPortIpAddress(Utils.createIpAddress(original.getFloatingIPAddress()))
  89                 .setInternalPortId(internalPortId)
  90                 .setInternalPortIpAddress(Utils.createIpAddress(newFixedIPAddress))
  91                 .build();
  92             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.internalPortByFloatingIpPortIid(floatingIpPortId),
  93                     internalPortByFloatingIpPort, true);
  94             rwTx.put(LogicalDatastoreType.OPERATIONAL, NeutronGbpIidFactory.floatingIpPortByInternalPortIid(internalPortId),
  95                     new FloatingIpPortByInternalPortBuilder(internalPortByFloatingIpPort).build(), true);
  96         }
  97         boolean isSubmitToDsSuccessful = DataStoreHelper.submitToDs(rwTx);
  98         if (!isSubmitToDsSuccessful) {
  99             return StatusCode.INTERNAL_SERVER_ERROR;
 100         }
 101
 102         return StatusCode.OK;
 103     }
 104
 105     private Integer registerFloatingIpPort(String tenantUUID, String floatingIpPortUUID, ReadWriteTransaction rwTx) {
 106         INeutronPortCRUD portInterface = NeutronCRUDInterfaces.getINeutronPortCRUD(this);
 107         if (portInterface == null) {
 108             LOG.warn("Illegal state - No provider for {}", INeutronPortCRUD.class.getName());
 109             return StatusCode.INTERNAL_SERVER_ERROR;
 110         }
 111         NeutronPort floatingIpPort = portInterface.getPort(floatingIpPortUUID);
 112         // TenantId tenantId = new TenantId(Utils.normalizeUuid());
 113         floatingIpPort.setTenantID(tenantUUID);
 114         boolean isNeutronPortCreated = NeutronPortAware.addNeutronPort(floatingIpPort, rwTx, epService);
 115         if (!isNeutronPortCreated) {
 116             rwTx.cancel();
 117             return StatusCode.INTERNAL_SERVER_ERROR;
 118         }
 119         return null;
 120     }
 121
 122     @Override
 123     public void neutronFloatingIPUpdated(NeutronFloatingIP floatingIP) {
 124         LOG.trace("neutronFloatingIPUpdated - {}", floatingIP);
 125     }
 126
 127     @Override
 128     public int canDeleteFloatingIP(NeutronFloatingIP floatingIP) {
 129         LOG.trace("canDeleteFloatingIP - {}", floatingIP);
 130         return StatusCode.OK;
 131     }
 132
 133     @Override
 134     public void neutronFloatingIPDeleted(NeutronFloatingIP floatingIP) {
 135         LOG.trace("neutronFloatingIPDeleted - {}", floatingIP);
 136     }
 137
 138 }