org.opendaylight.netvirt.vpnmanager.VpnRpcServiceImpl Maven / Gradle / Ivy
/*
* Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.netvirt.vpnmanager;
import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.concurrent.ExecutionException;
import java.util.function.Consumer;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
import org.opendaylight.netvirt.fibmanager.api.IFibManager;
import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkCache;
import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite;
import org.opendaylight.netvirt.vpnmanager.intervpnlink.InterVpnLinkUtil;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.AddStaticRouteInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.AddStaticRouteOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.AddStaticRouteOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.ApplyArpConfigInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.ApplyArpConfigOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.ApplyArpConfigOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.GenerateVpnLabelInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.GenerateVpnLabelOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.GenerateVpnLabelOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveStaticRouteInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveStaticRouteOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveStaticRouteOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveVpnLabelInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveVpnLabelOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.RemoveVpnLabelOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.VpnRpcService;
import org.opendaylight.yangtools.yang.common.RpcError;
import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.helpers.FormattingTuple;
import org.slf4j.helpers.MessageFormatter;
@Singleton
public class VpnRpcServiceImpl implements VpnRpcService {
private static final Logger LOG = LoggerFactory.getLogger(VpnRpcServiceImpl.class);
private final ManagedNewTransactionRunner txRunner;
private final IFibManager fibManager;
private final IBgpManager bgpManager;
private final IVpnManager vpnManager;
private final InterVpnLinkCache interVpnLinkCache;
private final VpnUtil vpnUtil;
private final InterVpnLinkUtil interVpnLinkUtil;
@Inject
public VpnRpcServiceImpl(final DataBroker dataBroker,
final IFibManager fibManager, IBgpManager bgpManager, final IVpnManager vpnManager,
final InterVpnLinkCache interVpnLinkCache, VpnUtil vpnUtil, InterVpnLinkUtil interVpnLinkUtil) {
this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
this.fibManager = fibManager;
this.bgpManager = bgpManager;
this.vpnManager = vpnManager;
this.interVpnLinkCache = interVpnLinkCache;
this.vpnUtil = vpnUtil;
this.interVpnLinkUtil = interVpnLinkUtil;
}
/**
* Generate label for the given ip prefix from the associated VPN.
*/
@Override
public ListenableFuture> generateVpnLabel(GenerateVpnLabelInput input) {
String vpnName = input.getVpnName();
String ipPrefix = input.getIpPrefix();
SettableFuture> futureResult = SettableFuture.create();
String rd = vpnUtil.getVpnRd(vpnName);
long label = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME,
VpnUtil.getNextHopLabelKey(rd != null ? rd : vpnName, ipPrefix));
if (label == 0) {
futureResult.set(RpcResultBuilder.failed().withError(ErrorType.APPLICATION,
formatAndLog(LOG::error, "Could not retrieve the label for prefix {} in VPN {}", ipPrefix,
vpnName)).build());
} else {
GenerateVpnLabelOutput output = new GenerateVpnLabelOutputBuilder().setLabel(label).build();
futureResult.set(RpcResultBuilder.success(output).build());
}
return futureResult;
}
/**
* Remove label for the given ip prefix from the associated VPN.
*/
@Override
public ListenableFuture> removeVpnLabel(RemoveVpnLabelInput input) {
String vpnName = input.getVpnName();
String ipPrefix = input.getIpPrefix();
String rd = vpnUtil.getVpnRd(vpnName);
vpnUtil.releaseId(VpnConstants.VPN_IDPOOL_NAME,
VpnUtil.getNextHopLabelKey(rd != null ? rd : vpnName, ipPrefix));
return RpcResultBuilder.success(new RemoveVpnLabelOutputBuilder().build()).buildFuture();
}
private Collection validateAddStaticRouteInput(AddStaticRouteInput input) {
Collection rpcErrors = new ArrayList<>();
String destination = input.getDestination();
String vpnInstanceName = input.getVpnInstanceName();
String nexthop = input.getNexthop();
if (destination == null || destination.isEmpty()) {
String message = "destination parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "addStaticRoute", message));
}
if (vpnInstanceName == null || vpnInstanceName.isEmpty()) {
String message = "vpnInstanceName parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "addStaticRoute", message));
}
if (nexthop == null || nexthop.isEmpty()) {
String message = "nexthop parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "addStaticRoute", message));
}
return rpcErrors;
}
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
@Override
public ListenableFuture> addStaticRoute(AddStaticRouteInput input) {
SettableFuture> result = SettableFuture.create();
String destination = input.getDestination();
String vpnInstanceName = input.getVpnInstanceName();
String nexthop = input.getNexthop();
Long label = input.getLabel();
LOG.info("Adding static route for Vpn {} with destination {}, nexthop {} and label {}",
vpnInstanceName, destination, nexthop, label);
Collection rpcErrors = validateAddStaticRouteInput(input);
if (!rpcErrors.isEmpty()) {
result.set(RpcResultBuilder.failed().withRpcErrors(rpcErrors).build());
return result;
}
if (label == null || label == 0) {
label = (long) vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME,
VpnUtil.getNextHopLabelKey(vpnInstanceName, destination));
if (label == 0) {
String message = "Unable to retrieve a new Label for the new Route";
result.set(RpcResultBuilder.failed().withError(RpcError.ErrorType.APPLICATION,
message).build());
return result;
}
}
String vpnRd = vpnUtil.getVpnRd(input.getVpnInstanceName());
VpnInstanceOpDataEntry vpnOpEntry = vpnUtil.getVpnInstanceOpData(vpnRd);
Boolean isVxlan = VpnUtil.isL3VpnOverVxLan(vpnOpEntry.getL3vni());
VrfEntry.EncapType encapType = VpnUtil.getEncapType(isVxlan);
if (vpnRd == null) {
String message = "Could not find Route-Distinguisher for VpnName " + vpnInstanceName;
result.set(RpcResultBuilder.failed().withError(RpcError.ErrorType.APPLICATION,
message).build());
return result;
}
Optional optIVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nexthop);
if (optIVpnLink.isPresent()) {
try {
interVpnLinkUtil.handleStaticRoute(optIVpnLink.get(), vpnInstanceName, destination, nexthop,
label.intValue());
} catch (Exception e) {
result.set(RpcResultBuilder.failed().withError(ErrorType.APPLICATION,
formatAndLog(LOG::warn,
"Could not advertise route [vpn={}, prefix={}, label={}, nexthop={}] to BGP: {}", vpnRd,
destination, label, nexthop, e.getMessage(), e)).build());
return result;
}
} else {
try {
txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
confTx -> vpnManager.addExtraRoute(vpnInstanceName, destination, nexthop, vpnRd,
null /* routerId */, vpnOpEntry.getL3vni(), RouteOrigin.STATIC, null /* intfName */,
null /*Adjacency*/, encapType, new HashSet<>() /*prefixListForRefreshFib*/,confTx)).get();
} catch (InterruptedException | ExecutionException e) {
LOG.error("Error adding static route {}", input, e);
result.set(RpcResultBuilder.failed().withError(ErrorType.APPLICATION,
"Error adding static route " + input, e).build());
return result;
}
}
AddStaticRouteOutput labelOutput = new AddStaticRouteOutputBuilder().setLabel(label).build();
result.set(RpcResultBuilder.success(labelOutput).build());
return result;
}
private Collection validateRemoveStaticRouteInput(RemoveStaticRouteInput input) {
Collection rpcErrors = new ArrayList<>();
String destination = input.getDestination();
String vpnInstanceName = input.getVpnInstanceName();
String nexthop = input.getNexthop();
if (destination == null || destination.isEmpty()) {
String message = "destination parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "removeStaticRoute", message));
}
if (vpnInstanceName == null || vpnInstanceName.isEmpty()) {
String message = "vpnInstanceName parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "removeStaticRoute", message));
}
if (nexthop == null || nexthop.isEmpty()) {
String message = "nexthop parameter is mandatory";
rpcErrors.add(RpcResultBuilder.newError(RpcError.ErrorType.PROTOCOL, "removeStaticRoute", message));
}
return rpcErrors;
}
@Override
public ListenableFuture> removeStaticRoute(RemoveStaticRouteInput input) {
SettableFuture> result = SettableFuture.create();
String destination = input.getDestination();
String vpnInstanceName = input.getVpnInstanceName();
String nexthop = input.getNexthop();
LOG.info("Removing static route with destination={}, nexthop={} in VPN={}",
destination, nexthop, vpnInstanceName);
Collection rpcErrors = validateRemoveStaticRouteInput(input);
if (!rpcErrors.isEmpty()) {
result.set(RpcResultBuilder.failed().withRpcErrors(rpcErrors).build());
return result;
}
String vpnRd = vpnUtil.getVpnRd(input.getVpnInstanceName());
if (vpnRd == null) {
String message = "Could not find Route-Distinguisher for VpnName " + vpnInstanceName;
result.set(RpcResultBuilder.failed()
.withError(RpcError.ErrorType.APPLICATION, message).build());
return result;
}
Optional optVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nexthop);
if (optVpnLink.isPresent()) {
fibManager.removeOrUpdateFibEntry(vpnRd, destination, nexthop, /*writeTx*/ null);
bgpManager.withdrawPrefix(vpnRd, destination);
} else {
vpnManager.delExtraRoute(vpnInstanceName, destination,
nexthop, vpnRd, null /* routerId */, null /* intfName */, null,
null);
}
result.set(RpcResultBuilder.success(new RemoveStaticRouteOutputBuilder().build()).build());
return result;
}
private String formatAndLog(Consumer logger, String template, Object arg1, Object arg2) {
return logAndReturnMessage(logger, MessageFormatter.format(template, arg1, arg2));
}
private String formatAndLog(Consumer logger, String template, Object... args) {
return logAndReturnMessage(logger, MessageFormatter.arrayFormat(template, args));
}
private String logAndReturnMessage(Consumer logger, FormattingTuple tuple) {
String message = tuple.getMessage();
logger.accept(message);
return message;
}
@Override
public ListenableFuture> applyArpConfig(ApplyArpConfigInput input) {
Boolean isArpLearningEnabled = input.isEnableArpLearning();
LOG.info("isArpLearningEnabled {}", isArpLearningEnabled);
SettableFuture> result = SettableFuture.create();
ApplyArpConfigOutputBuilder output = new ApplyArpConfigOutputBuilder();
VpnUtil.enableArpLearning(isArpLearningEnabled);
output.setEnableArpLearning(VpnUtil.isArpLearningEnabled());
result.set(RpcResultBuilder.success(output).build());
return result;
}
}
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