aclservice/impl/src/main/java/org/opendaylight/netvirt/aclservice/recovery/AclInstanceRecoveryHandler.java

   1 /*
   2  * Copyright (c) 2018 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.aclservice.recovery;
   9
  10 import com.google.common.base.Optional;
  11
  12 import java.util.ArrayList;
  13 import java.util.Collection;
  14 import java.util.List;
  15
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.genius.srm.ServiceRecoveryInterface;
  21 import org.opendaylight.genius.srm.ServiceRecoveryRegistry;
  22 import org.opendaylight.netvirt.aclservice.api.utils.AclInterface;
  23 import org.opendaylight.netvirt.aclservice.listeners.AclInterfaceListener;
  24 import org.opendaylight.netvirt.aclservice.utils.AclDataUtil;
  25 import org.opendaylight.netvirt.aclservice.utils.AclServiceUtils;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.srm.types.rev170711.NetvirtAclInstance;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.aclservice.rev160608.InterfaceAcl;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.aclservice.rev160608.InterfaceAclBuilder;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35
  36
  37 @Singleton
  38 public class AclInstanceRecoveryHandler implements ServiceRecoveryInterface {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(AclInstanceRecoveryHandler.class);
  41     private final DataBroker dataBroker;
  42     private final AclDataUtil aclDataUtil;
  43     private final AclInterfaceListener aclInterfaceListener;
  44
  45     @Inject
  46     public AclInstanceRecoveryHandler(ServiceRecoveryRegistry serviceRecoveryRegistry, DataBroker dataBroker,
  47              AclDataUtil aclDataUtil, AclInterfaceListener aclInterfaceListener) {
  48         this.dataBroker = dataBroker;
  49         this.aclDataUtil = aclDataUtil;
  50         this.aclInterfaceListener = aclInterfaceListener;
  51         serviceRecoveryRegistry.registerServiceRecoveryRegistry(buildServiceRegistryKey(), this);
  52     }
  53
  54     @Override
  55     public void recoverService(String entityId) {
  56         LOG.info("Recover ACL instance {}", entityId);
  57         Uuid aclId = new Uuid(entityId);
  58         Collection<AclInterface> aclInterfaces = aclDataUtil.getInterfaceList(aclId);
  59         for (AclInterface aclInterface : aclInterfaces) {
  60             String aclInterfaceId = aclInterface.getInterfaceId();
  61             Optional<Interface> interfaceOptional = AclServiceUtils.getInterface(dataBroker,
  62                     aclInterfaceId);
  63             if (interfaceOptional.isPresent()) {
  64                 Interface interfaceBefore = interfaceOptional.get();
  65                 LOG.debug("Starting Recovery of acl Instance {} for interface {}", entityId, interfaceBefore.getName());
  66                 InterfaceAcl interfaceAclBefore = interfaceBefore.augmentation(InterfaceAcl.class);
  67                 List<Uuid> sgList = new ArrayList<>(interfaceAclBefore.getSecurityGroups());
  68                 sgList.remove(aclId);
  69                 InterfaceAcl interfaceAclAfter = new InterfaceAclBuilder(interfaceAclBefore).setSecurityGroups(sgList)
  70                         .build();
  71                 Interface interfaceAfter = new InterfaceBuilder(interfaceBefore)
  72                         .addAugmentation(InterfaceAcl.class,interfaceAclAfter).build();
  73                 aclInterfaceListener.update(null, interfaceBefore, interfaceAfter);
  74                 aclInterfaceListener.update(null, interfaceAfter, interfaceBefore);
  75             } else {
  76                 LOG.error("Interfaces not present for aclInterface {} ", aclInterfaceId);
  77             }
  78         }
  79     }
  80
  81     private String buildServiceRegistryKey() {
  82         return NetvirtAclInstance.class.toString();
  83     }
  84 }