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

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.groupbasedpolicy.neutron.mapper.mapping;
   9
  10 import static com.google.common.base.Preconditions.checkNotNull;
  11
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.DataStoreHelper;
  16 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.IidFactory;
  17 import org.opendaylight.groupbasedpolicy.neutron.mapper.util.Utils;
  18 import org.opendaylight.neutron.spi.INeutronSubnetAware;
  19 import org.opendaylight.neutron.spi.NeutronSubnet;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.ContextId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.Name;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubnetId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.Subnet;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.SubnetBuilder;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.google.common.base.Optional;
  30
  31 public class NeutronSubnetAware implements INeutronSubnetAware {
  32
  33     private final static Logger LOG = LoggerFactory.getLogger(NeutronSubnetAware.class);
  34     private final DataBroker dataProvider;
  35
  36     public NeutronSubnetAware(DataBroker dataProvider) {
  37         this.dataProvider = checkNotNull(dataProvider);
  38     }
  39
  40     /**
  41      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canCreateSubnet(org.opendaylight.neutron.spi.NeutronSubnet)
  42      */
  43     @Override
  44     public int canCreateSubnet(NeutronSubnet subnet) {
  45         LOG.trace("canCreateSubnet - {}", subnet);
  46         // nothing to consider
  47         return StatusCode.OK;
  48     }
  49
  50     /**
  51      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetCreated(org.opendaylight.neutron.spi.NeutronSubnet)
  52      */
  53     @Override
  54     public void neutronSubnetCreated(NeutronSubnet neutronSubnet) {
  55         LOG.trace("neutronSubnetCreated - {}", neutronSubnet);
  56         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  57         SubnetId subnetId = new SubnetId(Utils.normalizeUuid(neutronSubnet.getID()));
  58         TenantId tenantId = new TenantId(Utils.normalizeUuid(neutronSubnet.getTenantID()));
  59         Subnet subnet = createSubnet(neutronSubnet);
  60         rwTx.put(LogicalDatastoreType.CONFIGURATION, IidFactory.subnetIid(tenantId, subnetId), subnet, true);
  61
  62         DataStoreHelper.submitToDs(rwTx);
  63     }
  64
  65     private Subnet createSubnet(NeutronSubnet neutronSubnet) {
  66         SubnetBuilder subnetBuilder = new SubnetBuilder();
  67         subnetBuilder.setId(new SubnetId(neutronSubnet.getID()));
  68         subnetBuilder.setParent(new ContextId(neutronSubnet.getNetworkUUID()));
  69         if (neutronSubnet.getName() != null) {
  70             subnetBuilder.setName(new Name(neutronSubnet.getName()));
  71         }
  72         subnetBuilder.setIpPrefix(Utils.createIpPrefix(neutronSubnet.getCidr()));
  73         return subnetBuilder.build();
  74     }
  75
  76     /**
  77      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canUpdateSubnet(org.opendaylight.neutron.spi.NeutronSubnet,
  78      *      org.opendaylight.neutron.spi.NeutronSubnet)
  79      */
  80     @Override
  81     public int canUpdateSubnet(NeutronSubnet delta, NeutronSubnet original) {
  82         LOG.trace("canUpdateSubnet - delta: {} original: {}", delta, original);
  83         // nothing to consider
  84         return StatusCode.OK;
  85     }
  86
  87     /**
  88      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetUpdated(org.opendaylight.neutron.spi.NeutronSubnet)
  89      */
  90     @Override
  91     public void neutronSubnetUpdated(NeutronSubnet subnet) {
  92         LOG.trace("neutronSubnetUpdated - {}", subnet);
  93         neutronSubnetCreated(subnet);
  94     }
  95
  96     /**
  97      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canDeleteSubnet(org.opendaylight.neutron.spi.NeutronSubnet)
  98      */
  99     @Override
 100     public int canDeleteSubnet(NeutronSubnet subnet) {
 101         LOG.trace("canDeleteSubnet - {}", subnet);
 102         // nothing to consider
 103         return StatusCode.OK;
 104     }
 105
 106     /**
 107      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetDeleted(org.opendaylight.neutron.spi.NeutronSubnet)
 108      */
 109     @Override
 110     public void neutronSubnetDeleted(NeutronSubnet neutronSubnet) {
 111         LOG.trace("neutronSubnetDeleted - {}", neutronSubnet);
 112         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 113         SubnetId subnetId = new SubnetId(Utils.normalizeUuid(neutronSubnet.getID()));
 114         TenantId tenantId = new TenantId(Utils.normalizeUuid(neutronSubnet.getTenantID()));
 115         Optional<Subnet> potentialSubnet = DataStoreHelper.removeIfExists(LogicalDatastoreType.CONFIGURATION,
 116                 IidFactory.subnetIid(tenantId, subnetId), rwTx);
 117         if (!potentialSubnet.isPresent()) {
 118             LOG.warn("Illegal state - subnet {} does not exist.", subnetId.getValue());
 119             rwTx.cancel();
 120             return;
 121         }
 122
 123         DataStoreHelper.submitToDs(rwTx);
 124     }
 125
 126 }