elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/ha/listeners/ManagerListener.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.elan.l2gw.ha.listeners;
   9
  10 import java.util.Arrays;
  11 import javax.annotation.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
  18 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
  19 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Managers;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 @Singleton
  28 public final class ManagerListener extends AsyncClusteredDataTreeChangeListenerBase<Managers, ManagerListener> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(ManagerListener.class);
  31
  32     private final DataBroker dataBroker;
  33     private final HwvtepNodeHACache hwvtepNodeHACache;
  34
  35     @Inject
  36     public ManagerListener(DataBroker dataBroker, HwvtepNodeHACache hwvtepNodeHACache) {
  37         super(Managers.class, ManagerListener.class);
  38         this.dataBroker = dataBroker;
  39         this.hwvtepNodeHACache = hwvtepNodeHACache;
  40     }
  41
  42     @PostConstruct
  43     public void init() {
  44         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  45     }
  46
  47     @Override
  48     protected InstanceIdentifier<Managers> getWildCardPath() {
  49         return HwvtepSouthboundUtils.createHwvtepTopologyInstanceIdentifier()
  50                 .child(Node.class)
  51                 .augmentation(HwvtepGlobalAugmentation.class)
  52                 .child(Managers.class);
  53     }
  54
  55     @Override
  56     protected void remove(InstanceIdentifier<Managers> key, Managers managers) {
  57     }
  58
  59     @Override
  60     protected void update(InstanceIdentifier<Managers> key, Managers before, Managers after) {
  61     }
  62
  63     @Override
  64     protected void add(InstanceIdentifier<Managers> key, Managers managers) {
  65         InstanceIdentifier<Node> parent = key.firstIdentifierOf(Node.class);
  66         if (managers.key().getTarget().getValue().contains(HwvtepHAUtil.MANAGER_KEY)
  67                 && managers.getManagerOtherConfigs() != null) {
  68             managers.getManagerOtherConfigs().stream()
  69                 .filter(otherConfig -> otherConfig.key().getOtherConfigKey().contains(HwvtepHAUtil.HA_CHILDREN))
  70                 .flatMap(otherConfig -> Arrays.stream(otherConfig.getOtherConfigValue().split(",")))
  71                 .map(HwvtepHAUtil::convertToInstanceIdentifier)
  72                 .forEach(childIid -> hwvtepNodeHACache.addChild(parent, childIid));
  73         }
  74     }
  75
  76     @Override
  77     protected ManagerListener getDataTreeChangeListener() {
  78         return this;
  79     }
  80 }