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.controller.md.sal.binding.api.WriteTransaction.CREATE_MISSING_PARENTS;
  11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  12
  13 import java.util.ArrayList;
  14 import java.util.Collections;
  15
  16 import javax.annotation.PostConstruct;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  23 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  24 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  25 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.AccessLists;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.Acl;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.AclBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.AclKey;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.acl.AccessListEntriesBuilder;
  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
  40         extends AsyncDataTreeChangeListenerBase<SecurityGroup, NeutronSecurityGroupListener> {
  41     private static final Logger LOG = LoggerFactory.getLogger(NeutronSecurityGroupListener.class);
  42     private final DataBroker dataBroker;
  43     private final ManagedNewTransactionRunner txRunner;
  44     private final JobCoordinator jobCoordinator;
  45
  46     @Inject
  47     public NeutronSecurityGroupListener(DataBroker dataBroker, JobCoordinator jobCoordinator) {
  48         super(SecurityGroup.class, NeutronSecurityGroupListener.class);
  49         this.dataBroker = dataBroker;
  50         this.jobCoordinator = jobCoordinator;
  51         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  52     }
  53
  54     @Override
  55     @PostConstruct
  56     public void init() {
  57         LOG.info("{} init", getClass().getSimpleName());
  58         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  59     }
  60
  61     @Override
  62     protected InstanceIdentifier<SecurityGroup> getWildCardPath() {
  63         return InstanceIdentifier.create(Neutron.class).child(SecurityGroups.class).child(SecurityGroup.class);
  64     }
  65
  66     @Override
  67     protected void remove(InstanceIdentifier<SecurityGroup> key, SecurityGroup securityGroup) {
  68         LOG.trace("Removing securityGroup: {}", securityGroup);
  69         InstanceIdentifier<Acl> identifier = getAclInstanceIdentifier(securityGroup);
  70         String jobKey = securityGroup.key().getUuid().getValue();
  71         jobCoordinator.enqueueJob(jobKey,
  72             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
  73                 tx -> tx.delete(identifier))),
  74             NeutronSecurityRuleConstants.DJC_MAX_RETRIES);
  75     }
  76
  77     @Override
  78     protected void update(InstanceIdentifier<SecurityGroup> key, SecurityGroup dataObjectModificationBefore,
  79         SecurityGroup dataObjectModificationAfter) {
  80         LOG.debug("Do nothing");
  81     }
  82
  83     @Override
  84     protected void add(InstanceIdentifier<SecurityGroup> instanceIdentifier, SecurityGroup securityGroup) {
  85         LOG.trace("Adding securityGroup: {}", securityGroup);
  86         Acl acl = toAclBuilder(securityGroup).build();
  87         InstanceIdentifier<Acl> identifier = getAclInstanceIdentifier(securityGroup);
  88         String jobKey = securityGroup.key().getUuid().getValue();
  89         jobCoordinator.enqueueJob(jobKey,
  90             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
  91                 tx -> tx.put(identifier, acl, CREATE_MISSING_PARENTS))),
  92             NeutronSecurityRuleConstants.DJC_MAX_RETRIES);
  93     }
  94
  95     @Override
  96     protected NeutronSecurityGroupListener getDataTreeChangeListener() {
  97         return this;
  98     }
  99
 100     private InstanceIdentifier<Acl> getAclInstanceIdentifier(SecurityGroup securityGroup) {
 101         return InstanceIdentifier
 102             .builder(AccessLists.class).child(Acl.class,
 103                 new AclKey(securityGroup.key().getUuid().getValue(), NeutronSecurityRuleConstants.ACLTYPE))
 104             .build();
 105     }
 106
 107     private AclBuilder toAclBuilder(SecurityGroup securityGroup) {
 108         AclBuilder aclBuilder = new AclBuilder();
 109         aclBuilder.setAclName(securityGroup.key().getUuid().getValue());
 110         aclBuilder.setAclType(NeutronSecurityRuleConstants.ACLTYPE);
 111         aclBuilder.setAccessListEntries(new AccessListEntriesBuilder().setAce(new ArrayList<>()).build());
 112
 113         return aclBuilder;
 114     }
 115 }