*/
package org.opendaylight.ovsdb.hwvtepsouthbound;
-import com.google.common.base.Optional;
-import com.google.common.util.concurrent.CheckedFuture;
-
+import com.google.common.util.concurrent.FluentFuture;
import java.util.Collection;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
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.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 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.apache.aries.blueprint.annotation.service.Service;
+import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
+import org.opendaylight.mdsal.binding.api.DataTreeModification;
+import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
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.utils.mdsal.utils.Scheduler;
+import org.opendaylight.ovsdb.utils.mdsal.utils.ShardStatusMonitor;
+import org.opendaylight.serviceutils.upgrade.UpgradeState;
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.network.topology.Topology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+@Singleton
+@Service(classes = HwvtepSouthboundProvider.class) // only because HwvtepCacheDisplayCmd needs a @Reference to this
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 static DataBroker db;
+ private final DataBroker dataBroker;
private final EntityOwnershipService entityOwnershipService;
private final OvsdbConnection ovsdbConnection;
private HwvtepsbPluginInstanceEntityOwnershipListener providerOwnershipChangeListener;
private HwvtepDataChangeListener hwvtepDTListener;
private HwvtepReconciliationManager hwvtepReconciliationManager;
- private AtomicBoolean registered = new AtomicBoolean(false);
+ private final AtomicBoolean registered = new AtomicBoolean(false);
private ListenerRegistration<HwvtepSouthboundProvider> operTopologyRegistration;
+ private int shardStatusCheckRetryCount = 1000;
+ private UpgradeState upgradeState;
- public HwvtepSouthboundProvider(final DataBroker dataBroker,
- final EntityOwnershipService entityOwnershipServiceDependency,
- final OvsdbConnection ovsdbConnection,
- final DOMSchemaService schemaService,
- final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer) {
- this.db = dataBroker;
+ @Inject
+ public HwvtepSouthboundProvider(@Reference final DataBroker dataBroker,
+ @Reference final EntityOwnershipService entityOwnershipServiceDependency,
+ @Reference final OvsdbConnection ovsdbConnection,
+ @Reference final DOMSchemaService schemaService,
+ @Reference final BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer,
+ @Reference final UpgradeState upgradeState) {
+ this.dataBroker = dataBroker;
this.entityOwnershipService = entityOwnershipServiceDependency;
registration = null;
this.ovsdbConnection = ovsdbConnection;
+ this.upgradeState = upgradeState;
HwvtepSouthboundUtil.setInstanceIdentifierCodec(new InstanceIdentifierCodec(schemaService,
bindingNormalizedNodeSerializer));
LOG.info("HwvtepSouthboundProvider ovsdbConnectionService: {}", ovsdbConnection);
/**
* Used by blueprint when starting the container.
*/
+ @PostConstruct
public void init() {
+ boolean isDatastoreAvailable = false;
+ int retryCount = 0;
+ try {
+ while (retryCount < shardStatusCheckRetryCount) {
+ isDatastoreAvailable = ShardStatusMonitor.getShardStatus(ShardStatusMonitor.TOPOLOGY_SHARDS);
+ if (isDatastoreAvailable) {
+ break;
+ }
+ LOG.warn("Hwvtep: retrying shard status check for the {} time", ++retryCount);
+ Thread.sleep(2000);
+ }
+ if (isDatastoreAvailable) {
+ LOG.info("Hwvtep is UP");
+ init2();
+ }
+ } catch (InterruptedException e) {
+ LOG.error("Error in intializing the Hwvtep Southbound ", e);
+ }
+ }
+
+ private void init2() {
LOG.info("HwvtepSouthboundProvider Session Initiated");
- txInvoker = new TransactionInvokerImpl(db);
- cm = new HwvtepConnectionManager(db, txInvoker, entityOwnershipService);
- hwvtepDTListener = new HwvtepDataChangeListener(db, cm);
- hwvtepReconciliationManager = new HwvtepReconciliationManager(db, cm);
+ txInvoker = new TransactionInvokerImpl(dataBroker);
+ cm = new HwvtepConnectionManager(dataBroker, txInvoker, entityOwnershipService, ovsdbConnection);
+ registerConfigListenerPostUpgrade();
//Register listener for entityOnwership changes
providerOwnershipChangeListener =
new HwvtepsbPluginInstanceEntityOwnershipListener(this,this.entityOwnershipService);
//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);
} catch (CandidateAlreadyRegisteredException e) {
LOG.warn("HWVTEP Southbound Provider instance entity {} was already "
.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID));
DataTreeIdentifier<Topology> treeId =
- new DataTreeIdentifier<Topology>(LogicalDatastoreType.OPERATIONAL, path);
+ DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL, path);
LOG.trace("Registering listener for path {}", treeId);
- operTopologyRegistration = db.registerDataTreeChangeListener(treeId, this);
+ operTopologyRegistration = dataBroker.registerDataTreeChangeListener(treeId, this);
+ Scheduler.getScheduledExecutorService().schedule(() -> {
+ if (!registered.get()) {
+ openOvsdbPort();
+ LOG.error("Timed out to get eos notification opening the port now");
+ }
+ }, HwvtepSouthboundConstants.PORT_OPEN_MAX_DELAY_IN_MINS, TimeUnit.MINUTES);
+ }
+
+ private void registerConfigListenerPostUpgrade() {
+ if (upgradeState.isUpgradeInProgress()) {
+ LOG.error("Upgrade is in progress delay config data change listener registration");
+ Scheduler.getScheduledExecutorService().schedule(() -> registerConfigListenerPostUpgrade(),
+ 60, TimeUnit.SECONDS);
+ return;
+ }
+ hwvtepDTListener = new HwvtepDataChangeListener(dataBroker, cm);
+ hwvtepReconciliationManager = new HwvtepReconciliationManager(dataBroker, cm);
}
@Override
+ @PreDestroy
+ @SuppressWarnings("checkstyle:IllegalCatch")
public void close() throws Exception {
LOG.info("HwvtepSouthboundProvider Closed");
if (txInvoker != null) {
LOG.error("HWVTEP Southbound Provider failed to close TransactionInvoker", e);
}
}
- if(cm != null){
+ 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;
}
}
}
- private void initializeHwvtepTopology(LogicalDatastoreType type) {
+ private void initializeHwvtepTopology(final LogicalDatastoreType type) {
InstanceIdentifier<Topology> path = InstanceIdentifier
.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID));
- ReadWriteTransaction transaction = db.newReadWriteTransaction();
- CheckedFuture<Optional<Topology>, ReadFailedException> hwvtepTp = transaction.read(type, path);
+ ReadWriteTransaction transaction = dataBroker.newReadWriteTransaction();
+ FluentFuture<Boolean> hwvtepTp = transaction.exists(type, path);
try {
- if (!hwvtepTp.get().isPresent()) {
+ if (!hwvtepTp.get().booleanValue()) {
TopologyBuilder tpb = new TopologyBuilder();
tpb.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID);
- transaction.put(type, path, tpb.build(), true);
- transaction.submit();
+ transaction.mergeParentStructurePut(type, path, tpb.build());
+ transaction.commit();
} else {
transaction.cancel();
}
- } catch (Exception e) {
+ } catch (InterruptedException | ExecutionException e) {
LOG.error("Error initializing hwvtep topology", e);
}
}
- public void handleOwnershipChange(EntityOwnershipChange ownershipChange) {
- if (ownershipChange.isOwner()) {
+ public void handleOwnershipChange(final EntityOwnershipChange ownershipChange) {
+ 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 {
@Override
- public void onDataTreeChanged(Collection<DataTreeModification<Topology>> collection) {
+ public void onDataTreeChanged(final Collection<DataTreeModification<Topology>> collection) {
+ openOvsdbPort();
+
+ if (operTopologyRegistration != null) {
+ operTopologyRegistration.close();
+ operTopologyRegistration = null;
+ }
+ }
+
+
+
+ private void openOvsdbPort() {
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();
}
- private class HwvtepsbPluginInstanceEntityOwnershipListener implements EntityOwnershipListener {
- private HwvtepSouthboundProvider hsp;
- private EntityOwnershipListenerRegistration listenerRegistration;
+ public void setShardStatusCheckRetryCount(int retryCount) {
+ this.shardStatusCheckRetryCount = retryCount;
+ }
+
+ private static class HwvtepsbPluginInstanceEntityOwnershipListener implements EntityOwnershipListener {
+ private final HwvtepSouthboundProvider hsp;
+ private final EntityOwnershipListenerRegistration listenerRegistration;
- HwvtepsbPluginInstanceEntityOwnershipListener(HwvtepSouthboundProvider hsp,
- EntityOwnershipService entityOwnershipService) {
+ HwvtepsbPluginInstanceEntityOwnershipListener(final HwvtepSouthboundProvider hsp,
+ final EntityOwnershipService entityOwnershipService) {
this.hsp = hsp;
listenerRegistration = entityOwnershipService.registerListener(ENTITY_TYPE, this);
}
public void close() {
this.listenerRegistration.close();
}
+
@Override
- public void ownershipChanged(EntityOwnershipChange ownershipChange) {
+ public void ownershipChanged(final EntityOwnershipChange ownershipChange) {
hsp.handleOwnershipChange(ownershipChange);
}
}