/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2014, 2018 Cisco Systems, Inc. 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.southbound;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.atomic.AtomicBoolean;
+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.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.infrautils.diagstatus.DiagStatusService;
+import org.opendaylight.infrautils.diagstatus.ServiceState;
+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.lib.OvsdbConnection;
-import org.opendaylight.ovsdb.lib.impl.OvsdbConnectionService;
import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvokerImpl;
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 SouthboundProvider implements BindingAwareProvider, AutoCloseable {
+public class SouthboundProvider implements ClusteredDataTreeChangeListener<Topology>, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(SouthboundProvider.class);
- private DataBroker db;
+ private static final String ENTITY_TYPE = "ovsdb-southbound-provider";
+
+ public static DataBroker getDb() {
+ return db;
+ }
+
+ // FIXME: get rid of this static
+ @SuppressFBWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD")
+ private static DataBroker db;
private OvsdbConnectionManager cm;
- private OvsdbNodeDataChangeListener ovsdbNodeListener;
- private OvsdbManagedNodeDataChangeListener ovsdbManagedNodeListener;
- private OvsdbTerminationPointDataChangeListener ovsdbTerminationPointListener;
private TransactionInvoker txInvoker;
+ private OvsdbDataTreeChangeListener ovsdbDataTreeChangeListener;
+ private final EntityOwnershipService entityOwnershipService;
+ private EntityOwnershipCandidateRegistration registration;
+ private SouthboundPluginInstanceEntityOwnershipListener providerOwnershipChangeListener;
+ private final OvsdbConnection ovsdbConnection;
+ private final InstanceIdentifierCodec instanceIdentifierCodec;
+ private static final String SKIP_MONITORING_MANAGER_STATUS_PARAM = "skip-monitoring-manager-status";
+ private final AtomicBoolean registered = new AtomicBoolean(false);
+ private ListenerRegistration<SouthboundProvider> operTopologyRegistration;
+ private final OvsdbDiagStatusProvider ovsdbStatusProvider;
+ public SouthboundProvider(final DataBroker dataBroker,
+ final EntityOwnershipService entityOwnershipServiceDependency,
+ final OvsdbConnection ovsdbConnection,
+ final DOMSchemaService schemaService,
+ final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer,
+ final DiagStatusService diagStatusService) {
- @Override
- public void onSessionInitiated(ProviderContext session) {
+ this.db = dataBroker;
+ this.entityOwnershipService = entityOwnershipServiceDependency;
+ registration = null;
+ this.ovsdbConnection = ovsdbConnection;
+ ovsdbStatusProvider = new OvsdbDiagStatusProvider(diagStatusService);
+
+ this.instanceIdentifierCodec = new InstanceIdentifierCodec(schemaService,
+ bindingNormalizedNodeSerializer);
+ LOG.info("SouthboundProvider ovsdbConnectionService Initialized");
+ }
+
+ /**
+ * Used by blueprint when starting the container.
+ */
+ public void init() {
LOG.info("SouthboundProvider Session Initiated");
- db = session.getSALService(DataBroker.class);
+ ovsdbStatusProvider.reportStatus(ServiceState.STARTING, "OVSDB initialization in progress");
this.txInvoker = new TransactionInvokerImpl(db);
- cm = new OvsdbConnectionManager(db,txInvoker);
- ovsdbNodeListener = new OvsdbNodeDataChangeListener(db, cm);
- ovsdbManagedNodeListener = new OvsdbManagedNodeDataChangeListener(db, cm);
- ovsdbTerminationPointListener = new OvsdbTerminationPointDataChangeListener(db, cm);
- initializeOvsdbTopology(LogicalDatastoreType.OPERATIONAL);
- initializeOvsdbTopology(LogicalDatastoreType.CONFIGURATION);
- OvsdbConnection ovsdbConnection = new OvsdbConnectionService();
- ovsdbConnection.registerConnectionListener(cm);
- ovsdbConnection.startOvsdbManager(SouthboundConstants.DEFAULT_OVSDB_PORT);
+ cm = new OvsdbConnectionManager(db, txInvoker, entityOwnershipService, ovsdbConnection,
+ instanceIdentifierCodec);
+ ovsdbDataTreeChangeListener = new OvsdbDataTreeChangeListener(db, cm, instanceIdentifierCodec);
+
+ //Register listener for entityOnwership changes
+ providerOwnershipChangeListener =
+ new SouthboundPluginInstanceEntityOwnershipListener(this,this.entityOwnershipService);
+
+ //register instance entity to get the ownership of the provider
+ Entity instanceEntity = new Entity(ENTITY_TYPE, ENTITY_TYPE);
+ try {
+ registration = entityOwnershipService.registerCandidate(instanceEntity);
+ } catch (CandidateAlreadyRegisteredException e) {
+ LOG.warn("OVSDB Southbound Provider instance entity {} was already "
+ + "registered for ownership", instanceEntity, e);
+ }
+ InstanceIdentifier<Topology> path = InstanceIdentifier
+ .create(NetworkTopology.class)
+ .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
+ DataTreeIdentifier<Topology> treeId =
+ new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, path);
+
+ LOG.trace("Registering listener for path {}", treeId);
+ operTopologyRegistration = db.registerDataTreeChangeListener(treeId, this);
}
@Override
- public void close() throws Exception {
+ public void close() {
LOG.info("SouthboundProvider Closed");
+ try {
+ txInvoker.close();
+ } catch (InterruptedException e) {
+ ovsdbStatusProvider.reportStatus(ServiceState.ERROR, "OVSDB service shutdown error");
+ LOG.debug("SouthboundProvider failed to close TransactionInvoker.");
+ }
cm.close();
- ovsdbNodeListener.close();
- ovsdbManagedNodeListener.close();
- ovsdbTerminationPointListener.close();
+ ovsdbDataTreeChangeListener.close();
+ registration.close();
+ providerOwnershipChangeListener.close();
+ if (operTopologyRegistration != null) {
+ operTopologyRegistration.close();
+ operTopologyRegistration = null;
+ }
+ ovsdbStatusProvider.reportStatus(ServiceState.UNREGISTERED, "OVSDB Service stopped");
}
private void initializeOvsdbTopology(LogicalDatastoreType type) {
.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
ReadWriteTransaction transaction = db.newReadWriteTransaction();
- initializeTopology(transaction,type);
CheckedFuture<Optional<Topology>, ReadFailedException> ovsdbTp = transaction.read(type, path);
try {
- if(!ovsdbTp.get().isPresent()) {
+ if (!ovsdbTp.get().isPresent()) {
TopologyBuilder tpb = new TopologyBuilder();
tpb.setTopologyId(SouthboundConstants.OVSDB_TOPOLOGY_ID);
- transaction.put(type, path, tpb.build());
+ transaction.put(type, path, tpb.build(), true);
transaction.submit();
} else {
transaction.cancel();
}
- } catch (Exception e) {
- LOG.error("Error initializing ovsdb topology {}",e);
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error("Error initializing ovsdb topology", e);
+ }
+ }
+
+ public void handleOwnershipChange(EntityOwnershipChange ownershipChange) {
+ if (ownershipChange.getState().isOwner()) {
+ LOG.info("*This* instance of OVSDB southbound provider is set as a MASTER instance");
+ LOG.info("Initialize OVSDB topology {} in operational and config data store if not already present",
+ SouthboundConstants.OVSDB_TOPOLOGY_ID);
+ initializeOvsdbTopology(LogicalDatastoreType.OPERATIONAL);
+ initializeOvsdbTopology(LogicalDatastoreType.CONFIGURATION);
+ } else {
+ LOG.info("*This* instance of OVSDB southbound provider is set as a SLAVE instance");
}
}
- private void initializeTopology(ReadWriteTransaction t, LogicalDatastoreType type) {
- InstanceIdentifier<NetworkTopology> path = InstanceIdentifier
- .create(NetworkTopology.class);
- CheckedFuture<Optional<NetworkTopology>, ReadFailedException> tp = t.read(type,path);
- try {
- if(!tp.get().isPresent()) {
- NetworkTopologyBuilder ntb = new NetworkTopologyBuilder();
- t.put(type,path,ntb.build());
- }
- } catch (Exception e) {
- LOG.error("Error initializing ovsdb topology {}",e);
- }
+ @Override
+ public void onDataTreeChanged(Collection<DataTreeModification<Topology>> collection) {
+ if (!registered.getAndSet(true)) {
+ LOG.info("Starting the ovsdb port");
+ ovsdbConnection.registerConnectionListener(cm);
+ ovsdbConnection.startOvsdbManager();
+ //mdsal registration/deregistration in mdsal update callback should be avoided
+ new Thread(() -> {
+ if (operTopologyRegistration != null) {
+ operTopologyRegistration.close();
+ operTopologyRegistration = null;
+ }
+ }).start();
+ ovsdbStatusProvider.reportStatus(ServiceState.OPERATIONAL, "OVSDB initialization complete");
+ }
+ }
+
+ private static class SouthboundPluginInstanceEntityOwnershipListener implements EntityOwnershipListener {
+ private final SouthboundProvider sp;
+ private final EntityOwnershipListenerRegistration listenerRegistration;
+
+ SouthboundPluginInstanceEntityOwnershipListener(SouthboundProvider sp,
+ EntityOwnershipService entityOwnershipService) {
+ this.sp = sp;
+ listenerRegistration = entityOwnershipService.registerListener(ENTITY_TYPE, this);
+ }
+
+ public void close() {
+ this.listenerRegistration.close();
+ }
+
+ @Override
+ public void ownershipChanged(EntityOwnershipChange ownershipChange) {
+ sp.handleOwnershipChange(ownershipChange);
+ }
+ }
+
+ public void updateConfigParameter(Map<String, Object> configParameters) {
+ if (configParameters != null && !configParameters.isEmpty()) {
+ LOG.debug("Config parameters received : {}", configParameters.entrySet());
+ for (Map.Entry<String, Object> paramEntry : configParameters.entrySet()) {
+ if (paramEntry.getKey().equalsIgnoreCase(SKIP_MONITORING_MANAGER_STATUS_PARAM)) {
+ setSkipMonitoringManagerStatus(Boolean.parseBoolean((String)paramEntry.getValue()));
+ break;
+ }
+ }
+ }
+ }
+
+ public void setSkipMonitoringManagerStatus(boolean flag) {
+ LOG.debug("skipManagerStatus set to {}", flag);
+ if (flag) {
+ SouthboundConstants.SKIP_COLUMN_FROM_TABLE.get("Manager").add("status");
+ } else {
+ SouthboundConstants.SKIP_COLUMN_FROM_TABLE.get("Manager").remove("status");
+ }
}
}