neutronvpn/neutronvpn-impl/src/main/java/org/opendaylight/vpnservice/neutronvpn/l2gw/L2GatewayUtils.java

   1 /*
   2  * Copyright (c) 2016 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
   9 package org.opendaylight.vpnservice.neutronvpn.l2gw;
  10
  11 import java.util.concurrent.ExecutionException;
  12 import java.util.concurrent.Future;
  13
  14 import org.opendaylight.vpnservice.neutronvpn.api.l2gw.L2GatewayDevice;
  15 import org.opendaylight.vpnservice.utils.hwvtep.HwvtepSouthboundConstants;
  16 import org.opendaylight.vpnservice.utils.hwvtep.HwvtepSouthboundUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.AddL2GwDeviceInputBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.DeleteL2GwDeviceInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.ItmRpcService;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  22 import org.opendaylight.yangtools.yang.common.RpcResult;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class L2GatewayUtils {
  27     private static final Logger LOG = LoggerFactory.getLogger(L2GatewayUtils.class);
  28
  29     protected static boolean isGatewayAssociatedToL2Device(L2GatewayDevice l2GwDevice) {
  30         return (l2GwDevice.getL2GatewayIds().size() > 0);
  31     }
  32
  33     protected static boolean isLastL2GatewayBeingDeleted(L2GatewayDevice l2GwDevice) {
  34         return (l2GwDevice.getL2GatewayIds().size() == 1);
  35     }
  36
  37     protected static boolean isL2GwDeviceConnected(L2GatewayDevice l2GwDevice) {
  38         return (l2GwDevice.getHwvtepNodeId() != null);
  39     }
  40
  41     protected static boolean isItmTunnelsCreatedForL2Device(L2GatewayDevice l2GwDevice) {
  42         return (l2GwDevice.getHwvtepNodeId() != null && l2GwDevice.getL2GatewayIds().size() > 0);
  43     }
  44
  45     protected static void createItmTunnels(ItmRpcService itmRpcService, String hwvtepId, String psName,
  46             IpAddress tunnelIp) {
  47         AddL2GwDeviceInputBuilder builder = new AddL2GwDeviceInputBuilder();
  48         builder.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID.getValue());
  49         builder.setNodeId(HwvtepSouthboundUtils.createManagedNodeId(new NodeId(hwvtepId), psName).getValue());
  50         builder.setIpAddress(tunnelIp);
  51         try {
  52             Future<RpcResult<Void>> result = itmRpcService.addL2GwDevice(builder.build());
  53             RpcResult<Void> rpcResult = result.get();
  54             if (rpcResult.isSuccessful()) {
  55                 LOG.info("Created ITM tunnels for {}", hwvtepId);
  56             } else {
  57                 LOG.error("Failed to create ITM Tunnels: ", rpcResult.getErrors());
  58             }
  59         } catch (InterruptedException | ExecutionException e) {
  60             LOG.error("RPC to create ITM tunnels failed", e);
  61         }
  62     }
  63
  64     protected static void deleteItmTunnels(ItmRpcService itmRpcService, String hwvtepId, String psName,
  65             IpAddress tunnelIp) {
  66         DeleteL2GwDeviceInputBuilder builder = new DeleteL2GwDeviceInputBuilder();
  67         builder.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID.getValue());
  68         builder.setNodeId(HwvtepSouthboundUtils.createManagedNodeId(new NodeId(hwvtepId), psName).getValue());
  69         builder.setIpAddress(tunnelIp);
  70         try {
  71             Future<RpcResult<Void>> result = itmRpcService.deleteL2GwDevice(builder.build());
  72             RpcResult<Void> rpcResult = result.get();
  73             if (rpcResult.isSuccessful()) {
  74                 LOG.info("Deleted ITM tunnels for {}", hwvtepId);
  75             } else {
  76                 LOG.error("Failed to delete ITM Tunnels: ", rpcResult.getErrors());
  77             }
  78         } catch (InterruptedException | ExecutionException e) {
  79             LOG.error("RPC to delete ITM tunnels failed", e);
  80         }
  81     }
  82 }