/*
- * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
+ * Copyright © 2015, 2017 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.ovsdb.hwvtepsouthbound;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import java.util.Collection;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.atomic.AtomicBoolean;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.inject.Inject;
+import javax.inject.Singleton;
+import org.apache.aries.blueprint.annotation.service.Reference;
+import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipChange;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListenerRegistration;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
-import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
+import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.dom.api.DOMSchemaService;
+import org.opendaylight.mdsal.eos.binding.api.Entity;
+import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipCandidateRegistration;
+import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipChange;
+import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipListener;
+import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipListenerRegistration;
+import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipService;
+import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
+import org.opendaylight.ovsdb.hwvtepsouthbound.reconciliation.configuration.HwvtepReconciliationManager;
import org.opendaylight.ovsdb.hwvtepsouthbound.transactions.md.TransactionInvoker;
import org.opendaylight.ovsdb.hwvtepsouthbound.transactions.md.TransactionInvokerImpl;
import org.opendaylight.ovsdb.lib.OvsdbConnection;
-import org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;
-import com.google.common.util.concurrent.CheckedFuture;
-
-public class HwvtepSouthboundProvider implements BindingAwareProvider, AutoCloseable {
+@Singleton
+public class HwvtepSouthboundProvider implements ClusteredDataTreeChangeListener<Topology>, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(HwvtepSouthboundProvider.class);
private static final String ENTITY_TYPE = "ovsdb-hwvtepsouthbound-provider";
- public static DataBroker getDb() {
- return db;
- }
+ private final DataBroker dataBroker;
+ private final EntityOwnershipService entityOwnershipService;
+ private final OvsdbConnection ovsdbConnection;
- private static DataBroker db;
private HwvtepConnectionManager cm;
- private OvsdbConnection ovsdbConnection;
private TransactionInvoker txInvoker;
- private EntityOwnershipService entityOwnershipService;
private EntityOwnershipCandidateRegistration registration;
private HwvtepsbPluginInstanceEntityOwnershipListener providerOwnershipChangeListener;
private HwvtepDataChangeListener hwvtepDTListener;
-
- public HwvtepSouthboundProvider(
- EntityOwnershipService entityOwnershipServiceDependency) {
+ private HwvtepReconciliationManager hwvtepReconciliationManager;
+ private final AtomicBoolean registered = new AtomicBoolean(false);
+ private ListenerRegistration<HwvtepSouthboundProvider> operTopologyRegistration;
+
+ @Inject
+ public HwvtepSouthboundProvider(@Reference final DataBroker dataBroker,
+ @Reference final EntityOwnershipService entityOwnershipServiceDependency,
+ @Reference final OvsdbConnection ovsdbConnection,
+ @Reference final DOMSchemaService schemaService,
+ @Reference final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer) {
+ this.dataBroker = dataBroker;
this.entityOwnershipService = entityOwnershipServiceDependency;
registration = null;
+ this.ovsdbConnection = ovsdbConnection;
+ HwvtepSouthboundUtil.setInstanceIdentifierCodec(new InstanceIdentifierCodec(schemaService,
+ bindingNormalizedNodeSerializer));
+ LOG.info("HwvtepSouthboundProvider ovsdbConnectionService: {}", ovsdbConnection);
}
- @Override
- public void onSessionInitiated(ProviderContext session) {
+ /**
+ * Used by blueprint when starting the container.
+ */
+ @PostConstruct
+ public void init() {
LOG.info("HwvtepSouthboundProvider Session Initiated");
- db = session.getSALService(DataBroker.class);
- txInvoker = new TransactionInvokerImpl(db);
- cm = new HwvtepConnectionManager(db, txInvoker, entityOwnershipService);
- hwvtepDTListener = new HwvtepDataChangeListener(db, cm);
-
+ txInvoker = new TransactionInvokerImpl(dataBroker);
+ cm = new HwvtepConnectionManager(dataBroker, txInvoker, entityOwnershipService, ovsdbConnection);
+ hwvtepDTListener = new HwvtepDataChangeListener(dataBroker, cm);
+ hwvtepReconciliationManager = new HwvtepReconciliationManager(dataBroker, cm);
//Register listener for entityOnwership changes
providerOwnershipChangeListener =
new HwvtepsbPluginInstanceEntityOwnershipListener(this,this.entityOwnershipService);
- entityOwnershipService.registerListener(ENTITY_TYPE,providerOwnershipChangeListener);
//register instance entity to get the ownership of the provider
Entity instanceEntity = new Entity(ENTITY_TYPE, ENTITY_TYPE);
try {
- Optional<EntityOwnershipState> ownershipStateOpt = entityOwnershipService.getOwnershipState(instanceEntity);
registration = entityOwnershipService.registerCandidate(instanceEntity);
- if (ownershipStateOpt.isPresent()) {
- EntityOwnershipState ownershipState = ownershipStateOpt.get();
- if (ownershipState.hasOwner() && !ownershipState.isOwner()) {
- if (ovsdbConnection == null) {
- ovsdbConnection = new OvsdbConnectionService();
- ovsdbConnection.registerConnectionListener(cm);
- ovsdbConnection.startOvsdbManager(HwvtepSouthboundConstants.DEFAULT_OVSDB_PORT);
- }
- }
- }
} catch (CandidateAlreadyRegisteredException e) {
LOG.warn("HWVTEP Southbound Provider instance entity {} was already "
- + "registered for {} ownership", instanceEntity, e);
+ + "registered for ownership", instanceEntity, e);
}
+ InstanceIdentifier<Topology> path = InstanceIdentifier
+ .create(NetworkTopology.class)
+ .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID));
+ DataTreeIdentifier<Topology> treeId =
+ new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, path);
+
+ LOG.trace("Registering listener for path {}", treeId);
+ operTopologyRegistration = dataBroker.registerDataTreeChangeListener(treeId, this);
}
@Override
+ @PreDestroy
+ @SuppressWarnings("checkstyle:IllegalCatch")
public void close() throws Exception {
LOG.info("HwvtepSouthboundProvider Closed");
- if(cm != null){
+ if (txInvoker != null) {
+ try {
+ txInvoker.close();
+ txInvoker = null;
+ } catch (Exception e) {
+ LOG.error("HWVTEP Southbound Provider failed to close TransactionInvoker", e);
+ }
+ }
+ if (cm != null) {
cm.close();
cm = null;
}
- if(registration != null) {
+ if (registration != null) {
registration.close();
registration = null;
}
- if(providerOwnershipChangeListener != null) {
+ if (providerOwnershipChangeListener != null) {
providerOwnershipChangeListener.close();
providerOwnershipChangeListener = null;
}
- if(hwvtepDTListener != null) {
+ if (hwvtepDTListener != null) {
hwvtepDTListener.close();
hwvtepDTListener = null;
}
+ if (operTopologyRegistration != null) {
+ operTopologyRegistration.close();
+ operTopologyRegistration = null;
+ }
}
private void initializeHwvtepTopology(LogicalDatastoreType type) {
InstanceIdentifier<Topology> path = InstanceIdentifier
.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID));
- initializeTopology(type);
- ReadWriteTransaction transaction = db.newReadWriteTransaction();
+ ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
CheckedFuture<Optional<Topology>, ReadFailedException> hwvtepTp = transaction.read(type, path);
try {
if (!hwvtepTp.get().isPresent()) {
TopologyBuilder tpb = new TopologyBuilder();
tpb.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID);
- transaction.put(type, path, tpb.build());
+ transaction.put(type, path, tpb.build(), true);
transaction.submit();
} else {
transaction.cancel();
}
- } catch (Exception e) {
+ } catch (InterruptedException | ExecutionException e) {
LOG.error("Error initializing hwvtep topology", e);
}
}
- private void initializeTopology(LogicalDatastoreType type) {
- ReadWriteTransaction transaction = db.newReadWriteTransaction();
- InstanceIdentifier<NetworkTopology> path = InstanceIdentifier.create(NetworkTopology.class);
- CheckedFuture<Optional<NetworkTopology>, ReadFailedException> topology = transaction.read(type,path);
- try {
- if (!topology.get().isPresent()) {
- NetworkTopologyBuilder ntb = new NetworkTopologyBuilder();
- transaction.put(type,path,ntb.build());
- transaction.submit();
- } else {
- transaction.cancel();
- }
- } catch (Exception e) {
- LOG.error("Error initializing hwvtep topology {}",e);
- }
- }
-
public void handleOwnershipChange(EntityOwnershipChange ownershipChange) {
- if (ownershipChange.isOwner()) {
+ if (ownershipChange.getState().isOwner()) {
LOG.info("*This* instance of HWVTEP southbound provider is set as a MASTER instance");
- LOG.info("Initialize HWVTEP topology {} in operational and config data store if not already present"
- ,HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID);
+ LOG.info("Initialize HWVTEP topology {} in operational and config data store if not already present",
+ HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID);
initializeHwvtepTopology(LogicalDatastoreType.OPERATIONAL);
initializeHwvtepTopology(LogicalDatastoreType.CONFIGURATION);
} else {
LOG.info("*This* instance of HWVTEP southbound provider is set as a SLAVE instance");
}
- //TODO: How to make this co-exist with OvsdbSouthbound?
- if (ovsdbConnection == null) {
- ovsdbConnection = new OvsdbConnectionService();
+ }
+
+
+ @Override
+ public void onDataTreeChanged(Collection<DataTreeModification<Topology>> collection) {
+ if (!registered.getAndSet(true)) {
+ LOG.info("Starting the ovsdb port");
ovsdbConnection.registerConnectionListener(cm);
- ovsdbConnection.startOvsdbManager(HwvtepSouthboundConstants.DEFAULT_OVSDB_PORT);
+ ovsdbConnection.startOvsdbManager();
}
+ //mdsal registration/deregistration in mdsal update callback should be avoided
+ new Thread(() -> {
+ if (operTopologyRegistration != null) {
+ operTopologyRegistration.close();
+ operTopologyRegistration = null;
+ }
+ }).start();
}
- private class HwvtepsbPluginInstanceEntityOwnershipListener implements EntityOwnershipListener {
- private HwvtepSouthboundProvider hsp;
- private EntityOwnershipListenerRegistration listenerRegistration;
+ private static class HwvtepsbPluginInstanceEntityOwnershipListener implements EntityOwnershipListener {
+ private final HwvtepSouthboundProvider hsp;
+ private final EntityOwnershipListenerRegistration listenerRegistration;
HwvtepsbPluginInstanceEntityOwnershipListener(HwvtepSouthboundProvider hsp,
EntityOwnershipService entityOwnershipService) {
public void close() {
this.listenerRegistration.close();
}
+
@Override
public void ownershipChanged(EntityOwnershipChange ownershipChange) {
hsp.handleOwnershipChange(ownershipChange);
}
}
+ public HwvtepConnectionManager getHwvtepConnectionManager() {
+ return cm;
+ }
}