neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/evpn/manager/NeutronEvpnManager.java

   1 /*
   2  * Copyright © 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.neutronvpn.evpn.manager;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import com.google.common.util.concurrent.SettableFuture;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.function.Consumer;
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  19 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  20 import org.opendaylight.netvirt.neutronvpn.NeutronvpnManager;
  21 import org.opendaylight.netvirt.neutronvpn.NeutronvpnUtils;
  22 import org.opendaylight.netvirt.vpnmanager.api.VpnHelper;
  23 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
  24 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.CreateEVPNInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.CreateEVPNOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.CreateEVPNOutputBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.DeleteEVPNInput;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.DeleteEVPNOutput;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.DeleteEVPNOutputBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.GetEVPNInput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.GetEVPNOutput;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.GetEVPNOutputBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.VpnMaps;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.createevpn.input.Evpn;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.getevpn.output.EvpnInstances;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.getevpn.output.EvpnInstancesBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.vpnmaps.VpnMap;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.vpnmaps.VpnMapKey;
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  42 import org.opendaylight.yangtools.yang.common.RpcError;
  43 import org.opendaylight.yangtools.yang.common.RpcResult;
  44 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47 import org.slf4j.helpers.FormattingTuple;
  48 import org.slf4j.helpers.MessageFormatter;
  49
  50
  51 public class NeutronEvpnManager {
  52     private static final Logger LOG = LoggerFactory.getLogger(NeutronEvpnManager.class);
  53     private final DataBroker dataBroker;
  54     private final NeutronvpnManager neutronvpnManager;
  55     private final NeutronvpnUtils neutronvpnUtils;
  56
  57     public NeutronEvpnManager(DataBroker dataBroker, NeutronvpnManager neutronvpnManager,
  58             NeutronvpnUtils neutronvpnUtils) {
  59         this.dataBroker = dataBroker;
  60         this.neutronvpnManager = neutronvpnManager;
  61         this.neutronvpnUtils = neutronvpnUtils;
  62     }
  63
  64     @SuppressWarnings("checkstyle:IllegalCatch")
  65     public ListenableFuture<RpcResult<CreateEVPNOutput>> createEVPN(CreateEVPNInput input) {
  66         CreateEVPNOutputBuilder opBuilder = new CreateEVPNOutputBuilder();
  67         SettableFuture<RpcResult<CreateEVPNOutput>> result = SettableFuture.create();
  68         List<RpcError> errorList = new ArrayList<>();
  69         int failurecount = 0;
  70         List<String> existingRDs = neutronvpnUtils.getExistingRDs();
  71
  72         for (Evpn vpn : input.nonnullEvpn()) {
  73             if (vpn.getRouteDistinguisher() == null || vpn.getImportRT() == null || vpn.getExportRT() == null) {
  74                 errorList.add(RpcResultBuilder.newWarning(RpcError.ErrorType.PROTOCOL, "invalid-input",
  75                         formatAndLog(LOG::warn, "Creation of EVPN failed for VPN {} due to absence of RD/iRT/eRT input",
  76                                 vpn.getId().getValue())));
  77                 continue;
  78             }
  79             VpnInstance.Type vpnInstanceType = VpnInstance.Type.L2;
  80             if (vpn.getRouteDistinguisher().size() > 1) {
  81                 errorList.add(RpcResultBuilder.newWarning(RpcError.ErrorType.PROTOCOL, "invalid-input",
  82                         formatAndLog(LOG::warn, "Creation of EVPN failed for VPN {} due to multiple RD input {}",
  83                                 vpn.getId().getValue(), vpn.getRouteDistinguisher())));
  84                 continue;
  85             }
  86             if (existingRDs.contains(vpn.getRouteDistinguisher().get(0))) {
  87                 errorList.add(RpcResultBuilder.newWarning(RpcError.ErrorType.PROTOCOL, "invalid-input",
  88                         formatAndLog(LOG::warn,
  89                                 "Creation of EVPN failed for VPN {} as another VPN with the same RD {} is already "
  90                                         + "configured",
  91                                 vpn.getId().getValue(), vpn.getRouteDistinguisher().get(0))));
  92                 continue;
  93             }
  94             try {
  95                 List<String> rdList = vpn.getRouteDistinguisher() != null
  96                         ? new ArrayList<>(vpn.getRouteDistinguisher()) : new ArrayList<>();
  97                 List<String> importRdList = vpn.getImportRT() != null
  98                         ? new ArrayList<>(vpn.getImportRT()) : new ArrayList<>();
  99                 List<String> exportRdList = vpn.getExportRT() != null
 100                         ? new ArrayList<>(vpn.getExportRT()) : new ArrayList<>();
 101                 neutronvpnManager.createVpn(vpn.getId(), vpn.getName(), vpn.getTenantId(), rdList,
 102                         importRdList, exportRdList, null /*router-id*/, null /*network-id*/,
 103                         vpnInstanceType, 0 /*l2vni*/);
 104             } catch (Exception ex) {
 105                 errorList.add(RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION,
 106                         formatAndLog(LOG::error, "Creation of EVPN failed for VPN {}", vpn.getId().getValue(), ex),
 107                         ex.getMessage()));
 108                 failurecount++;
 109             }
 110         }
 111         if (failurecount != 0) {
 112             result.set(RpcResultBuilder.<CreateEVPNOutput>failed().withRpcErrors(errorList).build());
 113         } else {
 114             List<String> errorResponseList = new ArrayList<>();
 115             if (!errorList.isEmpty()) {
 116                 for (RpcError rpcError : errorList) {
 117                     errorResponseList.add("ErrorType: " + rpcError.getErrorType() + ", ErrorTag: " + rpcError.getTag()
 118                             + ", ErrorMessage: " + rpcError.getMessage());
 119                 }
 120             } else {
 121                 errorResponseList.add("EVPN creation successful with no errors");
 122             }
 123             opBuilder.setResponse(errorResponseList);
 124             result.set(RpcResultBuilder.success(opBuilder.build()).build());
 125         }
 126         return result;
 127     }
 128
 129     public ListenableFuture<RpcResult<GetEVPNOutput>> getEVPN(GetEVPNInput input) {
 130         GetEVPNOutputBuilder opBuilder = new GetEVPNOutputBuilder();
 131         SettableFuture<RpcResult<GetEVPNOutput>> result = SettableFuture.create();
 132         Uuid inputVpnId = input.getId();
 133         List<VpnInstance> vpns = new ArrayList<>();
 134         if (inputVpnId == null) {
 135             vpns = VpnHelper.getAllVpnInstances(dataBroker);
 136             if (!vpns.isEmpty()) {
 137                 for (VpnInstance vpn : vpns) {
 138                     if (vpn.getIpv4Family().getRouteDistinguisher() != null
 139                             && vpn.getType() == VpnInstance.Type.L2) {
 140                         vpns.add(vpn);
 141                     }
 142                 }
 143             } else {
 144                 // No VPN present
 145                 result.set(RpcResultBuilder.success(opBuilder.build()).build());
 146                 return result;
 147             }
 148         } else {
 149             String name = inputVpnId.getValue();
 150             VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, name);
 151             if (vpnInstance != null && vpnInstance.getIpv4Family().getRouteDistinguisher() != null
 152                     && vpnInstance.getType() == VpnInstance.Type.L2) {
 153                 vpns.add(vpnInstance);
 154             } else {
 155                 result.set(RpcResultBuilder.<GetEVPNOutput>failed().withWarning(RpcError.ErrorType.PROTOCOL,
 156                         "invalid-value",
 157                         formatAndLog(LOG::error, "GetEVPN failed because VPN {} is not present", name)).build());
 158             }
 159         }
 160         List<EvpnInstances> evpnList = new ArrayList<>();
 161         for (VpnInstance vpnInstance : vpns) {
 162             Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
 163             InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class).child(VpnMap
 164                     .class, new VpnMapKey(vpnId)).build();
 165             EvpnInstancesBuilder evpn = new EvpnInstancesBuilder();
 166             List<String> rd = vpnInstance.getIpv4Family().getRouteDistinguisher();
 167             List<String> ertList = new ArrayList<>();
 168             List<String> irtList = new ArrayList<>();
 169             for (VpnTarget vpnTarget : vpnInstance.getIpv4Family().getVpnTargets().nonnullVpnTarget()) {
 170                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
 171                     ertList.add(vpnTarget.getVrfRTValue());
 172                 }
 173                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
 174                     irtList.add(vpnTarget.getVrfRTValue());
 175                 }
 176                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
 177                     ertList.add(vpnTarget.getVrfRTValue());
 178                     irtList.add(vpnTarget.getVrfRTValue());
 179                 }
 180             }
 181             evpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
 182             try {
 183                 Optional<VpnMap> optionalVpnMap =
 184                         SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION,
 185                                 vpnMapIdentifier);
 186                 if (optionalVpnMap.isPresent()) {
 187                     VpnMap vpnMap = optionalVpnMap.get();
 188                     evpn.setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
 189                 }
 190             } catch (ReadFailedException e) {
 191                 LOG.error("Error reading the VPN map for {}", vpnMapIdentifier, e);
 192                 result.set(RpcResultBuilder.<GetEVPNOutput>failed().withError(RpcError.ErrorType.APPLICATION,
 193                         "Error reading the VPN map for " + vpnMapIdentifier, e).build());
 194                 return result;
 195             }
 196             evpnList.add(evpn.build());
 197         }
 198
 199         opBuilder.setEvpnInstances(evpnList);
 200         result.set(RpcResultBuilder.success(opBuilder.build()).build());
 201         return result;
 202     }
 203
 204     public ListenableFuture<RpcResult<DeleteEVPNOutput>> deleteEVPN(DeleteEVPNInput input) {
 205         List<RpcError> errorList = new ArrayList<>();
 206
 207         if (input.getId() != null) {
 208             for (Uuid vpn : input.getId()) {
 209                 VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, vpn.getValue());
 210                 if (vpnInstance != null) {
 211                     neutronvpnManager.removeVpn(vpn);
 212                 } else {
 213                     errorList.add(RpcResultBuilder.newWarning(RpcError.ErrorType.PROTOCOL, "invalid-value",
 214                         formatAndLog(LOG::warn, "EVPN with vpnid: {} does not exist", vpn.getValue())));
 215                 }
 216             }
 217         }
 218         List<String> errorResponseList = new ArrayList<>();
 219         if (!errorList.isEmpty()) {
 220             for (RpcError rpcError : errorList) {
 221                 errorResponseList.add("ErrorType: " + rpcError.getErrorType() + ", ErrorTag: " + rpcError.getTag()
 222                         + ", ErrorMessage: " + rpcError.getMessage());
 223             }
 224         } else {
 225             errorResponseList.add("Deletion of EVPN operation successful");
 226         }
 227         DeleteEVPNOutputBuilder opBuilder = new DeleteEVPNOutputBuilder();
 228         opBuilder.setResponse(errorResponseList);
 229         SettableFuture<RpcResult<DeleteEVPNOutput>> result = SettableFuture.create();
 230         result.set(RpcResultBuilder.success(opBuilder.build()).build());
 231         return result;
 232     }
 233
 234     private String formatAndLog(Consumer<String> logger, String template, Object arg) {
 235         return logAndReturnMessage(logger, MessageFormatter.format(template, arg));
 236     }
 237
 238     private String formatAndLog(Consumer<String> logger, String template, Object arg1, Object arg2) {
 239         return logAndReturnMessage(logger, MessageFormatter.format(template, arg1, arg2));
 240     }
 241
 242     private String logAndReturnMessage(Consumer<String> logger, FormattingTuple tuple) {
 243         String message = tuple.getMessage();
 244         logger.accept(message);
 245         return message;
 246     }
 247 }