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                 neutronvpnManager.createVpn(vpn.getId(), vpn.getName(), vpn.getTenantId(), vpn.getRouteDistinguisher(),
  96                         vpn.getImportRT(), vpn.getExportRT(), null /*router-id*/, null /*network-id*/,
  97                         vpnInstanceType, 0 /*l2vni*/);
  98             } catch (Exception ex) {
  99                 errorList.add(RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION,
 100                         formatAndLog(LOG::error, "Creation of EVPN failed for VPN {}", vpn.getId().getValue(), ex),
 101                         ex.getMessage()));
 102                 failurecount++;
 103             }
 104         }
 105         if (failurecount != 0) {
 106             result.set(RpcResultBuilder.<CreateEVPNOutput>failed().withRpcErrors(errorList).build());
 107         } else {
 108             List<String> errorResponseList = new ArrayList<>();
 109             if (!errorList.isEmpty()) {
 110                 for (RpcError rpcError : errorList) {
 111                     errorResponseList.add("ErrorType: " + rpcError.getErrorType() + ", ErrorTag: " + rpcError.getTag()
 112                             + ", ErrorMessage: " + rpcError.getMessage());
 113                 }
 114             } else {
 115                 errorResponseList.add("EVPN creation successful with no errors");
 116             }
 117             opBuilder.setResponse(errorResponseList);
 118             result.set(RpcResultBuilder.success(opBuilder.build()).build());
 119         }
 120         return result;
 121     }
 122
 123     public ListenableFuture<RpcResult<GetEVPNOutput>> getEVPN(GetEVPNInput input) {
 124         GetEVPNOutputBuilder opBuilder = new GetEVPNOutputBuilder();
 125         SettableFuture<RpcResult<GetEVPNOutput>> result = SettableFuture.create();
 126         Uuid inputVpnId = input.getId();
 127         List<VpnInstance> vpns = new ArrayList<>();
 128         if (inputVpnId == null) {
 129             vpns = VpnHelper.getAllVpnInstances(dataBroker);
 130             if (!vpns.isEmpty()) {
 131                 for (VpnInstance vpn : vpns) {
 132                     if (vpn.getIpv4Family().getRouteDistinguisher() != null
 133                             && vpn.getType() == VpnInstance.Type.L2) {
 134                         vpns.add(vpn);
 135                     }
 136                 }
 137             } else {
 138                 // No VPN present
 139                 result.set(RpcResultBuilder.success(opBuilder.build()).build());
 140                 return result;
 141             }
 142         } else {
 143             String name = inputVpnId.getValue();
 144             VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, name);
 145             if (vpnInstance != null && vpnInstance.getIpv4Family().getRouteDistinguisher() != null
 146                     && vpnInstance.getType() == VpnInstance.Type.L2) {
 147                 vpns.add(vpnInstance);
 148             } else {
 149                 result.set(RpcResultBuilder.<GetEVPNOutput>failed().withWarning(RpcError.ErrorType.PROTOCOL,
 150                         "invalid-value",
 151                         formatAndLog(LOG::error, "GetEVPN failed because VPN {} is not present", name)).build());
 152             }
 153         }
 154         List<EvpnInstances> evpnList = new ArrayList<>();
 155         for (VpnInstance vpnInstance : vpns) {
 156             Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
 157             InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class).child(VpnMap
 158                     .class, new VpnMapKey(vpnId)).build();
 159             EvpnInstancesBuilder evpn = new EvpnInstancesBuilder();
 160             List<String> rd = vpnInstance.getIpv4Family().getRouteDistinguisher();
 161             List<String> ertList = new ArrayList<>();
 162             List<String> irtList = new ArrayList<>();
 163             for (VpnTarget vpnTarget : vpnInstance.getIpv4Family().getVpnTargets().nonnullVpnTarget()) {
 164                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
 165                     ertList.add(vpnTarget.getVrfRTValue());
 166                 }
 167                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
 168                     irtList.add(vpnTarget.getVrfRTValue());
 169                 }
 170                 if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
 171                     ertList.add(vpnTarget.getVrfRTValue());
 172                     irtList.add(vpnTarget.getVrfRTValue());
 173                 }
 174             }
 175             evpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
 176             try {
 177                 Optional<VpnMap> optionalVpnMap =
 178                         SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION,
 179                                 vpnMapIdentifier);
 180                 if (optionalVpnMap.isPresent()) {
 181                     VpnMap vpnMap = optionalVpnMap.get();
 182                     evpn.setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
 183                 }
 184             } catch (ReadFailedException e) {
 185                 LOG.error("Error reading the VPN map for {}", vpnMapIdentifier, e);
 186                 result.set(RpcResultBuilder.<GetEVPNOutput>failed().withError(RpcError.ErrorType.APPLICATION,
 187                         "Error reading the VPN map for " + vpnMapIdentifier, e).build());
 188                 return result;
 189             }
 190             evpnList.add(evpn.build());
 191         }
 192
 193         opBuilder.setEvpnInstances(evpnList);
 194         result.set(RpcResultBuilder.success(opBuilder.build()).build());
 195         return result;
 196     }
 197
 198     public ListenableFuture<RpcResult<DeleteEVPNOutput>> deleteEVPN(DeleteEVPNInput input) {
 199         List<RpcError> errorList = new ArrayList<>();
 200
 201         if (input.getId() != null) {
 202             for (Uuid vpn : input.getId()) {
 203                 VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, vpn.getValue());
 204                 if (vpnInstance != null) {
 205                     neutronvpnManager.removeVpn(vpn);
 206                 } else {
 207                     errorList.add(RpcResultBuilder.newWarning(RpcError.ErrorType.PROTOCOL, "invalid-value",
 208                         formatAndLog(LOG::warn, "EVPN with vpnid: {} does not exist", vpn.getValue())));
 209                 }
 210             }
 211         }
 212         List<String> errorResponseList = new ArrayList<>();
 213         if (!errorList.isEmpty()) {
 214             for (RpcError rpcError : errorList) {
 215                 errorResponseList.add("ErrorType: " + rpcError.getErrorType() + ", ErrorTag: " + rpcError.getTag()
 216                         + ", ErrorMessage: " + rpcError.getMessage());
 217             }
 218         } else {
 219             errorResponseList.add("Deletion of EVPN operation successful");
 220         }
 221         DeleteEVPNOutputBuilder opBuilder = new DeleteEVPNOutputBuilder();
 222         opBuilder.setResponse(errorResponseList);
 223         SettableFuture<RpcResult<DeleteEVPNOutput>> result = SettableFuture.create();
 224         result.set(RpcResultBuilder.success(opBuilder.build()).build());
 225         return result;
 226     }
 227
 228     private String formatAndLog(Consumer<String> logger, String template, Object arg) {
 229         return logAndReturnMessage(logger, MessageFormatter.format(template, arg));
 230     }
 231
 232     private String formatAndLog(Consumer<String> logger, String template, Object arg1, Object arg2) {
 233         return logAndReturnMessage(logger, MessageFormatter.format(template, arg1, arg2));
 234     }
 235
 236     private String logAndReturnMessage(Consumer<String> logger, FormattingTuple tuple) {
 237         String message = tuple.getMessage();
 238         logger.accept(message);
 239         return message;
 240     }
 241 }