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 import com.google.common.base.Strings;
  31
  32 public class NeutronSubnetAware implements INeutronSubnetAware {
  33
  34     private final static Logger LOG = LoggerFactory.getLogger(NeutronSubnetAware.class);
  35     private final DataBroker dataProvider;
  36
  37     public NeutronSubnetAware(DataBroker dataProvider) {
  38         this.dataProvider = checkNotNull(dataProvider);
  39     }
  40
  41     /**
  42      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canCreateSubnet(org.opendaylight.neutron.spi.NeutronSubnet)
  43      */
  44     @Override
  45     public int canCreateSubnet(NeutronSubnet subnet) {
  46         LOG.trace("canCreateSubnet - {}", subnet);
  47         // nothing to consider
  48         return StatusCode.OK;
  49     }
  50
  51     /**
  52      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetCreated(org.opendaylight.neutron.spi.NeutronSubnet)
  53      */
  54     @Override
  55     public void neutronSubnetCreated(NeutronSubnet neutronSubnet) {
  56         LOG.trace("neutronSubnetCreated - {}", neutronSubnet);
  57         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  58         SubnetId subnetId = new SubnetId(Utils.normalizeUuid(neutronSubnet.getID()));
  59         TenantId tenantId = new TenantId(Utils.normalizeUuid(neutronSubnet.getTenantID()));
  60         Subnet subnet = createSubnet(neutronSubnet);
  61         rwTx.put(LogicalDatastoreType.CONFIGURATION, IidFactory.subnetIid(tenantId, subnetId), subnet, true);
  62
  63         DataStoreHelper.submitToDs(rwTx);
  64     }
  65
  66     private Subnet createSubnet(NeutronSubnet neutronSubnet) {
  67         SubnetBuilder subnetBuilder = new SubnetBuilder();
  68         subnetBuilder.setId(new SubnetId(neutronSubnet.getID()));
  69         subnetBuilder.setParent(new ContextId(neutronSubnet.getNetworkUUID()));
  70         if (!Strings.isNullOrEmpty(neutronSubnet.getName())) {
  71             subnetBuilder.setName(new Name(neutronSubnet.getName()));
  72         }
  73         subnetBuilder.setIpPrefix(Utils.createIpPrefix(neutronSubnet.getCidr()));
  74         return subnetBuilder.build();
  75     }
  76
  77     /**
  78      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canUpdateSubnet(org.opendaylight.neutron.spi.NeutronSubnet,
  79      *      org.opendaylight.neutron.spi.NeutronSubnet)
  80      */
  81     @Override
  82     public int canUpdateSubnet(NeutronSubnet delta, NeutronSubnet original) {
  83         LOG.trace("canUpdateSubnet - delta: {} original: {}", delta, original);
  84         // nothing to consider
  85         return StatusCode.OK;
  86     }
  87
  88     /**
  89      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetUpdated(org.opendaylight.neutron.spi.NeutronSubnet)
  90      */
  91     @Override
  92     public void neutronSubnetUpdated(NeutronSubnet subnet) {
  93         LOG.trace("neutronSubnetUpdated - {}", subnet);
  94         neutronSubnetCreated(subnet);
  95     }
  96
  97     /**
  98      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#canDeleteSubnet(org.opendaylight.neutron.spi.NeutronSubnet)
  99      */
 100     @Override
 101     public int canDeleteSubnet(NeutronSubnet subnet) {
 102         LOG.trace("canDeleteSubnet - {}", subnet);
 103         // nothing to consider
 104         return StatusCode.OK;
 105     }
 106
 107     /**
 108      * @see org.opendaylight.neutron.spi.INeutronSubnetAware#neutronSubnetDeleted(org.opendaylight.neutron.spi.NeutronSubnet)
 109      */
 110     @Override
 111     public void neutronSubnetDeleted(NeutronSubnet neutronSubnet) {
 112         LOG.trace("neutronSubnetDeleted - {}", neutronSubnet);
 113         ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
 114         SubnetId subnetId = new SubnetId(Utils.normalizeUuid(neutronSubnet.getID()));
 115         TenantId tenantId = new TenantId(Utils.normalizeUuid(neutronSubnet.getTenantID()));
 116         Optional<Subnet> potentialSubnet = DataStoreHelper.removeIfExists(LogicalDatastoreType.CONFIGURATION,
 117                 IidFactory.subnetIid(tenantId, subnetId), rwTx);
 118         if (!potentialSubnet.isPresent()) {
 119             LOG.warn("Illegal state - subnet {} does not exist.", subnetId.getValue());
 120             rwTx.cancel();
 121             return;
 122         }
 123
 124         DataStoreHelper.submitToDs(rwTx);
 125     }
 126
 127 }