elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/utils/L2GatewayUtils.java

   1 /*
   2  * Copyright (c) 2016 ,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.utils;
   9
  10 import java.util.concurrent.ExecutionException;
  11 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  12 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
  13 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
  14 import org.opendaylight.mdsal.binding.api.DataBroker;
  15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  16 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.AddL2GwDeviceInputBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.AddL2GwDeviceOutput;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.DeleteL2GwDeviceInputBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.DeleteL2GwDeviceOutput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.ItmRpcService;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yangtools.yang.common.RpcResult;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public final class L2GatewayUtils {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(L2GatewayUtils.class);
  33
  34     private L2GatewayUtils() {
  35     }
  36
  37     public static boolean isGatewayAssociatedToL2Device(L2GatewayDevice l2GwDevice) {
  38         return (l2GwDevice.getL2GatewayIds().size() > 0);
  39     }
  40
  41     public static boolean isLastL2GatewayBeingDeleted(L2GatewayDevice l2GwDevice) {
  42         return (l2GwDevice.getL2GatewayIds().size() == 1);
  43     }
  44
  45     public static boolean isItmTunnelsCreatedForL2Device(L2GatewayDevice l2GwDevice) {
  46         return (l2GwDevice.getHwvtepNodeId() != null && l2GwDevice.getL2GatewayIds().size() > 0);
  47     }
  48
  49     public static void deleteItmTunnels(ItmRpcService itmRpcService, String hwvtepId, String psName,
  50                                         IpAddress tunnelIp) {
  51         DeleteL2GwDeviceInputBuilder builder = new DeleteL2GwDeviceInputBuilder();
  52         builder.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID.getValue());
  53         builder.setNodeId(HwvtepSouthboundUtils.createManagedNodeId(new NodeId(hwvtepId), psName).getValue());
  54         builder.setIpAddress(tunnelIp);
  55         try {
  56             RpcResult<DeleteL2GwDeviceOutput> rpcResult = itmRpcService.deleteL2GwDevice(builder.build()).get();
  57             if (rpcResult.isSuccessful()) {
  58                 LOG.info("Deleted ITM tunnels for {}", hwvtepId);
  59             } else {
  60                 LOG.error("Failed to delete ITM Tunnels: {}", rpcResult.getErrors());
  61             }
  62         } catch (InterruptedException | ExecutionException e) {
  63             LOG.error("RPC to delete ITM tunnels failed", e);
  64         }
  65     }
  66
  67     public static void createItmTunnels(ItmRpcService itmRpcService, String hwvtepId, String psName,
  68                                         IpAddress tunnelIp) {
  69         AddL2GwDeviceInputBuilder builder = new AddL2GwDeviceInputBuilder();
  70         builder.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID.getValue());
  71         builder.setNodeId(HwvtepSouthboundUtils.createManagedNodeId(new NodeId(hwvtepId), psName).getValue());
  72         builder.setIpAddress(tunnelIp);
  73         try {
  74             RpcResult<AddL2GwDeviceOutput> rpcResult = itmRpcService.addL2GwDevice(builder.build()).get();
  75             if (rpcResult.isSuccessful()) {
  76                 LOG.info("Created ITM tunnels for {}", hwvtepId);
  77             } else {
  78                 LOG.error("Failed to create ITM Tunnels: {}", rpcResult.getErrors());
  79             }
  80         } catch (InterruptedException | ExecutionException e) {
  81             LOG.error("RPC to create ITM tunnels failed", e);
  82         }
  83     }
  84
  85     //TODO Remove the method from HwvtepUtils.getDbVersion() from genius
  86     public static String getConfigDbVersion(DataBroker broker, NodeId nodeId) {
  87         Node hwvtepNode = null;
  88         try {
  89             hwvtepNode = getHwVtepNode(broker, LogicalDatastoreType.CONFIGURATION, nodeId);
  90         } catch (ExecutionException | InterruptedException e) {
  91             LOG.error("Failed to created Node {} for retriving configDbVersion", nodeId, e);
  92         }
  93         String dbVersion = "";
  94         if (hwvtepNode != null) {
  95             HwvtepGlobalAugmentation globalAugmentation = hwvtepNode.augmentation(HwvtepGlobalAugmentation.class);
  96             if (globalAugmentation != null) {
  97                 dbVersion = globalAugmentation.getDbVersion();
  98             }
  99         } else {
 100             LOG.warn("HWVTEP Node missing in config topo for {}", nodeId.getValue());
 101         }
 102
 103         return dbVersion;
 104     }
 105
 106     public static Node getHwVtepNode(DataBroker dataBroker, LogicalDatastoreType datastoreType,
 107         NodeId nodeId) throws ExecutionException, InterruptedException {
 108         return (Node) MDSALUtil.read(dataBroker, datastoreType, HwvtepSouthboundUtils.createInstanceIdentifier(nodeId))
 109                 .orElse(null);
 110
 111     }
 112 }