git.opendaylight Code Review - netvirt.git/blob

   1 /*
   2  * Copyright (c) 2017 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 static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11
  12 import com.google.common.base.Optional;
  13 import java.util.Collections;
  14 import java.util.HashSet;
  15 import java.util.Set;
  16 import java.util.concurrent.ExecutionException;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  21 import org.opendaylight.genius.infra.Datastore.Configuration;
  22 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  23 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
  24 import org.opendaylight.infrautils.metrics.MetricProvider;
  25 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
  26 import org.opendaylight.netvirt.elan.l2gw.ha.handlers.HAEventHandler;
  27 import org.opendaylight.netvirt.elan.l2gw.ha.handlers.IHAEventHandler;
  28 import org.opendaylight.netvirt.elan.l2gw.ha.handlers.NodeCopier;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 public class HAConfigNodeListener extends HwvtepNodeBaseListener<Configuration> {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(HAConfigNodeListener.class);
  38
  39     private final IHAEventHandler haEventHandler;
  40     private final NodeCopier nodeCopier;
  41
  42     @Inject
  43     public HAConfigNodeListener(DataBroker db, HAEventHandler haEventHandler,
  44                                 NodeCopier nodeCopier, HwvtepNodeHACache hwvtepNodeHACache,
  45                                 MetricProvider metricProvider) throws Exception {
  46         super(CONFIGURATION, db, hwvtepNodeHACache, metricProvider, true);
  47         this.haEventHandler = haEventHandler;
  48         this.nodeCopier = nodeCopier;
  49     }
  50
  51     @Override
  52     void onPsNodeAdd(InstanceIdentifier<Node> haPsPath,
  53                      Node haPSNode,
  54                      TypedReadWriteTransaction<Configuration> tx)
  55              throws ExecutionException, InterruptedException {
  56         //copy the ps node data to children
  57         String psId = haPSNode.getNodeId().getValue();
  58         Set<InstanceIdentifier<Node>> childSwitchIds = getPSChildrenIdsForHAPSNode(psId);
  59         if (childSwitchIds.isEmpty()) {
  60             LOG.error("Failed to find any ha children {}", haPsPath);
  61             return;
  62         }
  63         for (InstanceIdentifier<Node> childPsPath : childSwitchIds) {
  64             String nodeId =
  65                     HwvtepHAUtil.convertToGlobalNodeId(childPsPath.firstKeyOf(Node.class).getNodeId().getValue());
  66             InstanceIdentifier<Node> childGlobalPath = HwvtepHAUtil.convertToInstanceIdentifier(nodeId);
  67             nodeCopier.copyPSNode(Optional.fromNullable(haPSNode), haPsPath, childPsPath, childGlobalPath,
  68                     CONFIGURATION, tx);
  69         }
  70         LOG.trace("Handle config ps node add {}", psId);
  71     }
  72
  73     @Override
  74     void onPsNodeUpdate(Node haPSUpdated,
  75             Node haPSOriginal,
  76             DataObjectModification<Node> mod,
  77             TypedReadWriteTransaction<Configuration> tx) {
  78         //copy the ps node data to children
  79         String psId = haPSUpdated.getNodeId().getValue();
  80         Set<InstanceIdentifier<Node>> childSwitchIds = getPSChildrenIdsForHAPSNode(psId);
  81         for (InstanceIdentifier<Node> childSwitchId : childSwitchIds) {
  82             haEventHandler.copyHAPSUpdateToChild(childSwitchId, mod, tx);
  83         }
  84     }
  85
  86     @Override
  87     void onGlobalNodeUpdate(InstanceIdentifier<Node> key,
  88                             Node haUpdated,
  89                             Node haOriginal,
  90                             DataObjectModification<Node> mod,
  91                             TypedReadWriteTransaction<Configuration> tx) {
  92         Set<InstanceIdentifier<Node>> childNodeIds = getHwvtepNodeHACache().getChildrenForHANode(key);
  93         for (InstanceIdentifier<Node> haChildNodeId : childNodeIds) {
  94             haEventHandler.copyHAGlobalUpdateToChild(haChildNodeId, mod, tx);
  95         }
  96     }
  97
  98     @Override
  99     void onPsNodeDelete(InstanceIdentifier<Node> key,
 100                         Node deletedPsNode,
 101                         TypedReadWriteTransaction<Configuration> tx)
 102             throws ExecutionException, InterruptedException {
 103         //delete ps children nodes
 104         String psId = deletedPsNode.getNodeId().getValue();
 105         Set<InstanceIdentifier<Node>> childPsIds = getPSChildrenIdsForHAPSNode(psId);
 106         for (InstanceIdentifier<Node> childPsId : childPsIds) {
 107             HwvtepHAUtil.deleteNodeIfPresent(tx, childPsId);
 108         }
 109     }
 110
 111     @Override
 112     void onGlobalNodeDelete(InstanceIdentifier<Node> key,
 113                             Node haNode,
 114                             TypedReadWriteTransaction<Configuration> tx)
 115             throws ExecutionException, InterruptedException {
 116         //delete child nodes
 117         Set<InstanceIdentifier<Node>> children = getHwvtepNodeHACache().getChildrenForHANode(key);
 118         for (InstanceIdentifier<Node> childId : children) {
 119             HwvtepHAUtil.deleteNodeIfPresent(tx, childId);
 120         }
 121         HwvtepHAUtil.deletePSNodesOfNode(key, haNode, tx);
 122     }
 123
 124     private Set<InstanceIdentifier<Node>> getPSChildrenIdsForHAPSNode(String psNodId) {
 125         if (!psNodId.contains(HwvtepHAUtil.PHYSICALSWITCH)) {
 126             return Collections.emptySet();
 127         }
 128         String nodeId = HwvtepHAUtil.convertToGlobalNodeId(psNodId);
 129         InstanceIdentifier<Node> iid = HwvtepHAUtil.convertToInstanceIdentifier(nodeId);
 130         if (getHwvtepNodeHACache().isHAParentNode(iid)) {
 131             Set<InstanceIdentifier<Node>> childSwitchIds = new HashSet<>();
 132             Set<InstanceIdentifier<Node>> childGlobalIds = getHwvtepNodeHACache().getChildrenForHANode(iid);
 133             final String append = psNodId.substring(psNodId.indexOf(HwvtepHAUtil.PHYSICALSWITCH));
 134             for (InstanceIdentifier<Node> childId : childGlobalIds) {
 135                 String childIdVal = childId.firstKeyOf(Node.class).getNodeId().getValue();
 136                 childSwitchIds.add(HwvtepHAUtil.convertToInstanceIdentifier(childIdVal + append));
 137             }
 138             return childSwitchIds;
 139         }
 140         return Collections.emptySet();
 141     }
 142 }