/*
- * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
+ * Copyright (c) 2015 - 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,
*/
package org.opendaylight.vpnservice;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.*;
+
+import com.google.common.util.concurrent.CheckedFuture;
+import org.opendaylight.bgpmanager.api.IBgpManager;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceToVpnId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceToVpnIdBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnRouteList;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInterfaces;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceBuilder;
+import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceOpData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceOpDataBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.vrfentries.VrfEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+
public class VpnManager extends AbstractDataChangeListener<VpnInstance> implements AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(VpnManager.class);
- private ListenerRegistration<DataChangeListener> listenerRegistration;
+ private ListenerRegistration<DataChangeListener> listenerRegistration, fibListenerRegistration, opListenerRegistration;
+ private ConcurrentMap<String, Runnable> vpnOpMap = new ConcurrentHashMap<String, Runnable>();
+ private ExecutorService executorService = Executors.newSingleThreadExecutor();
private final DataBroker broker;
+ private final IBgpManager bgpManager;
+ private IdManagerService idManager;
+ private VpnInterfaceManager vpnInterfaceManager;
+ private final FibEntriesListener fibListener;
+ private final VpnInstanceOpListener vpnInstOpListener;
+
+ private static final FutureCallback<Void> DEFAULT_CALLBACK =
+ new FutureCallback<Void>() {
+ public void onSuccess(Void result) {
+ LOG.debug("Success in Datastore operation");
+ }
+
+ public void onFailure(Throwable error) {
+ LOG.error("Error in Datastore operation", error);
+ };
+ };
/**
* Listens for data change related to VPN Instance
* Informs the BGP about VRF information
- *
+ *
* @param db - dataBroker reference
*/
- public VpnManager(final DataBroker db) {
+ public VpnManager(final DataBroker db, final IBgpManager bgpManager) {
super(VpnInstance.class);
broker = db;
+ this.bgpManager = bgpManager;
+ this.fibListener = new FibEntriesListener();
+ this.vpnInstOpListener = new VpnInstanceOpListener();
registerListener(db);
}
try {
listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
getWildCardPath(), VpnManager.this, DataChangeScope.SUBTREE);
+ fibListenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
+ getFibEntryListenerPath(), fibListener, DataChangeScope.BASE);
+ opListenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
+ getVpnInstanceOpListenerPath(), vpnInstOpListener, DataChangeScope.SUBTREE);
+
} catch (final Exception e) {
- LOG.error("VPN Service DataChange listener registration fail!", e);
+ LOG.error("VPN Service DataChange listener registration fail !", e);
throw new IllegalStateException("VPN Service registration Listener failed.", e);
}
}
+ public void setIdManager(IdManagerService idManager) {
+ this.idManager = idManager;
+ }
+
+ public void setVpnInterfaceManager(VpnInterfaceManager vpnInterfaceManager) {
+ this.vpnInterfaceManager = vpnInterfaceManager;
+ }
+
+ private void waitForOpDataRemoval(String id) {
+ //wait till DCN for update on VPN Instance Op Data signals that vpn interfaces linked to this vpn instance is zero
+ Runnable notifyTask = new VpnNotifyTask();
+ synchronized (id.intern()) {
+ vpnOpMap.put(id, notifyTask);
+ synchronized (notifyTask) {
+ try {
+ notifyTask.wait(VpnConstants.WAIT_TIME_IN_MILLISECONDS);
+ } catch (InterruptedException e) {
+ }
+ }
+ }
+
+ }
+
@Override
- protected void remove(InstanceIdentifier<VpnInstance> identifier,
- VpnInstance del) {
- // TODO Auto-generated method stub
+ protected void remove(InstanceIdentifier<VpnInstance> identifier, VpnInstance del) {
+ LOG.trace("Remove VPN event - Key: {}, value: {}", identifier, del);
+ String vpnName = del.getVpnInstanceName();
+
+ //Clean up vpn Interface
+ InstanceIdentifier<VpnInterfaces> vpnInterfacesId = InstanceIdentifier.builder(VpnInterfaces.class).build();
+ Optional<VpnInterfaces> optionalVpnInterfaces = read(LogicalDatastoreType.OPERATIONAL, vpnInterfacesId);
+
+ if(optionalVpnInterfaces.isPresent()) {
+ List<VpnInterface> vpnInterfaces = optionalVpnInterfaces.get().getVpnInterface();
+ for(VpnInterface vpnInterface : vpnInterfaces) {
+ if(vpnInterface.getVpnInstanceName().equals(vpnName)) {
+ LOG.debug("VpnInterface {} will be removed from VPN {}", vpnInterface.getName(), vpnName);
+ vpnInterfaceManager.remove(
+ VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName()), vpnInterface);
+ }
+ }
+ }
+ InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance>
+ vpnIdentifier = VpnUtil.getVpnInstanceToVpnIdIdentifier(vpnName);
+ delete(LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
+
+ VpnUtil.releaseId(idManager, VpnConstants.VPN_IDPOOL_NAME, vpnName);
+ String rd = del.getIpv4Family().getRouteDistinguisher();
+
+ if (rd !=null) {
+
+ try {
+ bgpManager.deleteVrf(rd);
+ } catch (Exception e) {
+ LOG.error("Exception when removing VRF from BGP", e);
+ }
+ waitForOpDataRemoval(rd);
+ delete(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(rd));
+ } else {
+ waitForOpDataRemoval(vpnName);
+ delete(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(vpnName));
+ }
}
@Override
protected void update(InstanceIdentifier<VpnInstance> identifier,
VpnInstance original, VpnInstance update) {
- // TODO Auto-generated method stub
+ LOG.trace("Update event - Key: {}, value: {}", identifier, update);
}
@Override
protected void add(InstanceIdentifier<VpnInstance> identifier,
VpnInstance value) {
- LOG.info("key: " + identifier + ", value=" + value);
- //TODO: Generate VPN ID for this instance, where to store in model ... ?
+ LOG.trace("VPN Instance key: {}, value: {}", identifier, value);
+ VpnAfConfig config = value.getIpv4Family();
+ String rd = config.getRouteDistinguisher();
+
+ long vpnId = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, value.getVpnInstanceName());
+ LOG.trace("VPN instance to ID generated.");
+ org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance
+ vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(value.getVpnInstanceName(), vpnId,
+ (rd != null) ? rd : value.getVpnInstanceName());
+
+ syncWrite(LogicalDatastoreType.CONFIGURATION,
+ VpnUtil.getVpnInstanceToVpnIdIdentifier(value.getVpnInstanceName()),
+ vpnInstanceToVpnId, DEFAULT_CALLBACK);
- //TODO: Add VRF to BGP
+
+ if(rd == null) {
+ syncWrite(LogicalDatastoreType.OPERATIONAL,
+ VpnUtil.getVpnInstanceOpDataIdentifier(value.getVpnInstanceName()),
+ VpnUtil.getVpnInstanceOpDataBuilder(value.getVpnInstanceName(), vpnId), DEFAULT_CALLBACK);
+
+ } else {
+ syncWrite(LogicalDatastoreType.OPERATIONAL,
+ VpnUtil.getVpnInstanceOpDataIdentifier(rd),
+ VpnUtil.getVpnInstanceOpDataBuilder(rd, vpnId), DEFAULT_CALLBACK);
+
+ List<VpnTarget> vpnTargetList = config.getVpnTargets().getVpnTarget();
+
+ List<String> ertList = new ArrayList<String>();
+ List<String> irtList = new ArrayList<String>();
+
+ for (VpnTarget vpnTarget : vpnTargetList) {
+ if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
+ ertList.add(vpnTarget.getVrfRTValue());
+ }
+ if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
+ irtList.add(vpnTarget.getVrfRTValue());
+ }
+ if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
+ ertList.add(vpnTarget.getVrfRTValue());
+ irtList.add(vpnTarget.getVrfRTValue());
+ }
+ }
+
+ try {
+ bgpManager.addVrf(rd, irtList, ertList);
+ } catch(Exception e) {
+ LOG.error("Exception when adding VRF to BGP", e);
+ }
+ }
+ //Try to add up vpn Interfaces if already in Operational Datastore
+ LOG.trace("Trying to add the vpn interfaces -1.");
+ InstanceIdentifier<VpnInterfaces> vpnInterfacesId = InstanceIdentifier.builder(VpnInterfaces.class).build();
+ Optional<VpnInterfaces> optionalVpnInterfaces = read(LogicalDatastoreType.CONFIGURATION, vpnInterfacesId);
+
+ if(optionalVpnInterfaces.isPresent()) {
+ List<VpnInterface> vpnInterfaces = optionalVpnInterfaces.get().getVpnInterface();
+ for(VpnInterface vpnInterface : vpnInterfaces) {
+ if(vpnInterface.getVpnInstanceName().equals(value.getVpnInstanceName())) {
+ LOG.debug("VpnInterface {} will be added from VPN {}", vpnInterface.getName(), value.getVpnInstanceName());
+ vpnInterfaceManager.add(
+ VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName()), vpnInterface);
+
+ }
+ }
+ }
}
private InstanceIdentifier<?> getWildCardPath() {
return InstanceIdentifier.create(VpnInstances.class).child(VpnInstance.class);
}
+ private InstanceIdentifier<?> getFibEntryListenerPath() {
+ return InstanceIdentifier.create(FibEntries.class).child(VrfTables.class)
+ .child(VrfEntry.class);
+ }
+
+ private InstanceIdentifier<?> getVpnInstanceOpListenerPath() {
+ return InstanceIdentifier.create(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class);
+
+ }
+
@Override
public void close() throws Exception {
if (listenerRegistration != null) {
try {
listenerRegistration.close();
} catch (final Exception e) {
- LOG.error("Error when cleaning up DataChangeListener.", e);
+ LOG.error("Error when cleaning up Vpn DataChangeListener.", e);
}
listenerRegistration = null;
}
- LOG.info("VPN Manager Closed");
+ if (fibListenerRegistration != null) {
+ try {
+ fibListenerRegistration.close();
+ } catch (final Exception e) {
+ LOG.error("Error when cleaning up Fib entries DataChangeListener.", e);
+ }
+ fibListenerRegistration = null;
+ }
+ if (opListenerRegistration != null) {
+ try {
+ opListenerRegistration.close();
+ } catch (final Exception e) {
+ LOG.error("Error when cleaning up VPN Instance Operational entries DataChangeListener.", e);
+ }
+ opListenerRegistration = null;
+ }
+
+ LOG.trace("VPN Manager Closed");
+ }
+
+ private <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
+ InstanceIdentifier<T> path) {
+
+ ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
+
+ Optional<T> result = Optional.absent();
+ try {
+ result = tx.read(datastoreType, path).get();
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+
+ return result;
+ }
+
+ private <T extends DataObject> void asyncWrite(LogicalDatastoreType datastoreType,
+ InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
+ WriteTransaction tx = broker.newWriteOnlyTransaction();
+ tx.put(datastoreType, path, data, true);
+ Futures.addCallback(tx.submit(), callback);
+ }
+
+ private <T extends DataObject> void syncWrite(LogicalDatastoreType datastoreType,
+ InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
+ WriteTransaction tx = broker.newWriteOnlyTransaction();
+ tx.put(datastoreType, path, data, true);
+ CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
+ try {
+ futures.get();
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error("Error writing VPN instance to ID info to datastore (path, data) : ({}, {})", path, data);
+ throw new RuntimeException(e.getMessage());
+ }
+ }
+
+ protected VpnInstanceOpDataEntry getVpnInstanceOpData(String rd) {
+ InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
+ Optional<VpnInstanceOpDataEntry> vpnInstanceOpData = read(LogicalDatastoreType.OPERATIONAL, id);
+ if(vpnInstanceOpData.isPresent()) {
+ return vpnInstanceOpData.get();
+ }
+ return null;
+ }
+
+ private <T extends DataObject> void delete(LogicalDatastoreType datastoreType, InstanceIdentifier<T> path) {
+ WriteTransaction tx = broker.newWriteOnlyTransaction();
+ tx.delete(datastoreType, path);
+ Futures.addCallback(tx.submit(), DEFAULT_CALLBACK);
+ }
+
+ private class FibEntriesListener extends AbstractDataChangeListener<VrfEntry> {
+
+ public FibEntriesListener() {
+ super(VrfEntry.class);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<VrfEntry> identifier,
+ VrfEntry del) {
+ LOG.trace("Remove Fib event - Key : {}, value : {} ", identifier, del);
+ final VrfTablesKey key = identifier.firstKeyOf(VrfTables.class, VrfTablesKey.class);
+ String rd = key.getRouteDistinguisher();
+ Long label = del.getLabel();
+ VpnInstanceOpDataEntry vpnInstanceOpData = getVpnInstanceOpData(rd);
+ if(vpnInstanceOpData != null) {
+ List<Long> routeIds = vpnInstanceOpData.getRouteEntryId();
+ if(routeIds == null) {
+ LOG.debug("Fib Route entry is empty.");
+ return;
+ }
+ LOG.debug("Removing label from vpn info - {}", label);
+ routeIds.remove(label);
+ asyncWrite(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(rd),
+ new VpnInstanceOpDataEntryBuilder(vpnInstanceOpData).setRouteEntryId(routeIds).build(), DEFAULT_CALLBACK);
+ } else {
+ LOG.warn("No VPN Instance found for RD: {}", rd);
+ }
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<VrfEntry> identifier,
+ VrfEntry original, VrfEntry update) {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ protected void add(InstanceIdentifier<VrfEntry> identifier,
+ VrfEntry add) {
+ LOG.trace("Add Vrf Entry event - Key : {}, value : {}", identifier, add);
+ final VrfTablesKey key = identifier.firstKeyOf(VrfTables.class, VrfTablesKey.class);
+ String rd = key.getRouteDistinguisher();
+ Long label = add.getLabel();
+ VpnInstanceOpDataEntry vpn = getVpnInstanceOpData(rd);
+ if(vpn != null) {
+ List<Long> routeIds = vpn.getRouteEntryId();
+ if(routeIds == null) {
+ routeIds = new ArrayList<>();
+ }
+ LOG.debug("Adding label to vpn info - {}", label);
+ routeIds.add(label);
+ asyncWrite(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(rd),
+ new VpnInstanceOpDataEntryBuilder(vpn).setRouteEntryId(routeIds).build(), DEFAULT_CALLBACK);
+ } else {
+ LOG.warn("No VPN Instance found for RD: {}", rd);
+ }
+ }
+ }
+
+ class VpnInstanceOpListener extends org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener<VpnInstanceOpDataEntry> {
+
+ public VpnInstanceOpListener() {
+ super(VpnInstanceOpDataEntry.class);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry del) {
+
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry original, VpnInstanceOpDataEntry update) {
+ final VpnInstanceOpDataEntryKey key = identifier.firstKeyOf(VpnInstanceOpDataEntry.class, VpnInstanceOpDataEntryKey.class);
+ String vpnName = key.getVrfId();
+
+ LOG.trace("VpnInstanceOpListener update: vpn name {} interface count in Old VpnOp Instance {} in New VpnOp Instance {}" ,
+ vpnName, original.getVpnInterfaceCount(), update.getVpnInterfaceCount() );
+
+ //if((original.getVpnToDpnList().size() != update.getVpnToDpnList().size()) && (update.getVpnToDpnList().size() == 0)) {
+ if((original.getVpnInterfaceCount() != update.getVpnInterfaceCount()) && (update.getVpnInterfaceCount() == 0)) {
+ notifyTaskIfRequired(vpnName);
+ }
+ }
+
+ private void notifyTaskIfRequired(String vpnName) {
+ Runnable notifyTask = vpnOpMap.remove(vpnName);
+ if (notifyTask == null) {
+ return;
+ }
+ executorService.execute(notifyTask);
+ }
+
+ @Override
+ protected void add(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry add) {
+ }
}
}
Code Review / vpnservice.git / blobdiff