coe/impl/src/main/java/org/opendaylight/netvirt/coe/listeners/InventoryNodeListener.java

   1 /*
   2  * Copyright (c) 2017, 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.coe.listeners;
   9
  10 import java.math.BigInteger;
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import javax.annotation.Nonnull;
  14 import javax.inject.Inject;
  15 import javax.inject.Singleton;
  16
  17 import org.apache.aries.blueprint.annotation.service.Reference;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.genius.infra.Datastore;
  21 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  22 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  23 import org.opendaylight.genius.mdsalutil.ActionInfo;
  24 import org.opendaylight.genius.mdsalutil.FlowEntity;
  25 import org.opendaylight.genius.mdsalutil.InstructionInfo;
  26 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  27 import org.opendaylight.genius.mdsalutil.MatchInfo;
  28 import org.opendaylight.genius.mdsalutil.NwConstants;
  29 import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
  30 import org.opendaylight.genius.mdsalutil.instructions.InstructionApplyActions;
  31 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  32 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  33 import org.opendaylight.serviceutils.tools.mdsal.listener.AbstractSyncDataTreeChangeListener;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 @Singleton
  42 public class InventoryNodeListener extends AbstractSyncDataTreeChangeListener<Node> {
  43
  44     private static final Logger LOG = LoggerFactory.getLogger(InventoryNodeListener.class);
  45     private final IMdsalApiManager mdsalApiManager;
  46     private final ManagedNewTransactionRunner txRunner;
  47
  48     @Inject
  49     public InventoryNodeListener(@Reference final DataBroker dataBroker,
  50                                  @Reference final IMdsalApiManager mdsalApiManager) {
  51         super(dataBroker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class).child(Node.class));
  52         this.mdsalApiManager = mdsalApiManager;
  53         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  54
  55     }
  56
  57     @Override
  58     public void remove(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node node) {
  59         // Do nothing
  60     }
  61
  62     @Override
  63     public void update(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node originalNode,
  64                        @Nonnull final Node updatedNode) {
  65         // Nothing to do
  66     }
  67
  68     @Override
  69     public void add(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node node) {
  70         NodeId nodeId = node.getId();
  71         String[] nodeIdVal =  nodeId.getValue().split(":");
  72         if (nodeIdVal.length < 2) {
  73             LOG.warn("Unexpected nodeId {}", nodeId.getValue());
  74             return;
  75         }
  76         BigInteger dpId = new BigInteger(nodeIdVal[1]);
  77         setupTableMissForCoeKubeProxyTable(dpId);
  78     }
  79
  80     private void setupTableMissForCoeKubeProxyTable(BigInteger dpId) {
  81         List<MatchInfo> matches = new ArrayList<>();
  82         List<InstructionInfo> instructions = new ArrayList<>();
  83         List<ActionInfo> actionsInfos = new ArrayList<>();
  84         actionsInfos.add(new ActionNxResubmit(NwConstants.LPORT_DISPATCHER_TABLE));
  85         instructions.add(new InstructionApplyActions(actionsInfos));
  86         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, NwConstants.COE_KUBE_PROXY_TABLE,
  87                 "COEKubeProxyTableMissFlow",0,
  88                 "COEKubeProxy Table Miss Flow", 0, 0,
  89                 NwConstants.COOKIE_COE_KUBE_PROXY_TABLE, matches, instructions);
  90         ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(Datastore.CONFIGURATION,
  91             tx -> mdsalApiManager.addFlow(tx, flowEntity)), LOG, "Error adding flow {}", flowEntity);
  92     }
  93 }