neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/NeutronSecurityGroupListener.java

   1 /*
   2  * Copyright (c) 2019 Ericsson India Global Services Pvt Ltd. 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.netvirt.neutronvpn;
   9
  10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11
  12 import java.util.ArrayList;
  13 import java.util.Collections;
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  18 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  19 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  20 import org.opendaylight.infrautils.utils.concurrent.Executors;
  21 import org.opendaylight.mdsal.binding.api.DataBroker;
  22 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  23 import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.AccessLists;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.Acl;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.AclBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.AclKey;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.acl.AccessListEntriesBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.aclservice.rev160608.AclserviceAugmentation;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.aclservice.rev160608.AclserviceAugmentationBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.secgroups.rev150712.security.groups.attributes.SecurityGroups;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.secgroups.rev150712.security.groups.attributes.security.groups.SecurityGroup;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 @Singleton
  39 public class NeutronSecurityGroupListener extends AbstractAsyncDataTreeChangeListener<SecurityGroup> {
  40     private static final Logger LOG = LoggerFactory.getLogger(NeutronSecurityGroupListener.class);
  41     private final DataBroker dataBroker;
  42     private final ManagedNewTransactionRunner txRunner;
  43     private final JobCoordinator jobCoordinator;
  44     private final NeutronSecurityGroupUtils neutronSecurityGroupUtils;
  45
  46     @Inject
  47     public NeutronSecurityGroupListener(DataBroker dataBroker, JobCoordinator jobCoordinator,
  48             final NeutronSecurityGroupUtils neutronSecurityGroupUtils) {
  49         super(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Neutron.class)
  50                 .child(SecurityGroups.class).child(SecurityGroup.class),
  51                 Executors.newSingleThreadExecutor("NeutronSecurityGroupListener", LOG));
  52         this.dataBroker = dataBroker;
  53         this.jobCoordinator = jobCoordinator;
  54         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  55         this.neutronSecurityGroupUtils = neutronSecurityGroupUtils;
  56         init();
  57     }
  58
  59     public void init() {
  60         LOG.info("{} init", getClass().getSimpleName());
  61         neutronSecurityGroupUtils.createAclIdPool();
  62     }
  63
  64     @Override
  65     @PreDestroy
  66     public void close() {
  67         super.close();
  68         Executors.shutdownAndAwaitTermination(getExecutorService());
  69     }
  70
  71     @Override
  72     public void remove(InstanceIdentifier<SecurityGroup> key, SecurityGroup securityGroup) {
  73         LOG.trace("Removing securityGroup: {}", securityGroup);
  74         InstanceIdentifier<Acl> identifier = getAclInstanceIdentifier(securityGroup);
  75         String securityGroupId = securityGroup.key().getUuid().getValue();
  76         jobCoordinator.enqueueJob(securityGroupId, () -> {
  77             neutronSecurityGroupUtils.releaseAclTag(securityGroupId);
  78             return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
  79                 tx -> tx.delete(identifier)));
  80         });
  81     }
  82
  83     @Override
  84     public void update(InstanceIdentifier<SecurityGroup> key, SecurityGroup dataObjectModificationBefore,
  85         SecurityGroup dataObjectModificationAfter) {
  86         LOG.debug("Do nothing");
  87     }
  88
  89     @Override
  90     public void add(InstanceIdentifier<SecurityGroup> instanceIdentifier, SecurityGroup securityGroup) {
  91         LOG.trace("Adding securityGroup: {}", securityGroup);
  92         String securityGroupId = securityGroup.key().getUuid().getValue();
  93         InstanceIdentifier<Acl> identifier = getAclInstanceIdentifier(securityGroup);
  94         jobCoordinator.enqueueJob(securityGroupId, () -> {
  95             Integer aclTag = neutronSecurityGroupUtils.allocateAclTag(securityGroupId);
  96             Acl acl = toAclBuilder(securityGroup, aclTag).build();
  97             return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
  98                 tx -> tx.mergeParentStructurePut(identifier, acl)));
  99         });
 100     }
 101
 102     private InstanceIdentifier<Acl> getAclInstanceIdentifier(SecurityGroup securityGroup) {
 103         return InstanceIdentifier
 104             .builder(AccessLists.class).child(Acl.class,
 105                 new AclKey(securityGroup.key().getUuid().getValue(), NeutronSecurityGroupConstants.ACLTYPE))
 106             .build();
 107     }
 108
 109     private AclBuilder toAclBuilder(SecurityGroup securityGroup, Integer aclTag) {
 110         AclBuilder aclBuilder = new AclBuilder();
 111         aclBuilder.setAclName(securityGroup.key().getUuid().getValue());
 112         aclBuilder.setAclType(NeutronSecurityGroupConstants.ACLTYPE);
 113         aclBuilder.setAccessListEntries(new AccessListEntriesBuilder().setAce(new ArrayList<>()).build());
 114         if (aclTag != NeutronSecurityGroupConstants.INVALID_ACL_TAG) {
 115             AclserviceAugmentationBuilder aclserviceAugmentationBuilder = new AclserviceAugmentationBuilder();
 116             aclserviceAugmentationBuilder.setAclTag(aclTag);
 117             aclBuilder.addAugmentation(AclserviceAugmentation.class, aclserviceAugmentationBuilder.build());
 118         }
 119
 120         return aclBuilder;
 121     }
 122 }