/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright © 2014, 2017 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,
import static org.opendaylight.ovsdb.lib.operations.Operations.op;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.net.ConnectException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutionException;
-
-import javax.annotation.Nonnull;
-
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-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.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.mdsal.eos.common.api.EntityOwnershipState;
import org.opendaylight.ovsdb.lib.OvsdbClient;
import org.opendaylight.ovsdb.lib.OvsdbConnection;
import org.opendaylight.ovsdb.lib.OvsdbConnectionListener;
import org.opendaylight.ovsdb.lib.schema.GenericTableSchema;
import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
+import org.opendaylight.ovsdb.southbound.reconciliation.ReconciliationManager;
+import org.opendaylight.ovsdb.southbound.reconciliation.ReconciliationTask;
+import org.opendaylight.ovsdb.southbound.reconciliation.configuration.BridgeConfigReconciliationTask;
+import org.opendaylight.ovsdb.southbound.reconciliation.connection.ConnectionReconciliationTask;
import org.opendaylight.ovsdb.southbound.transactions.md.OvsdbNodeRemoveCommand;
-import org.opendaylight.ovsdb.southbound.transactions.md.TransactionCommand;
import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAttributes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
-
public class OvsdbConnectionManager implements OvsdbConnectionListener, AutoCloseable {
- private Map<ConnectionInfo, OvsdbConnectionInstance> clients =
+ private final Map<ConnectionInfo, OvsdbConnectionInstance> clients =
new ConcurrentHashMap<>();
private static final Logger LOG = LoggerFactory.getLogger(OvsdbConnectionManager.class);
private static final String ENTITY_TYPE = "ovsdb";
+ private static final int DB_FETCH_TIMEOUT = 1000;
- private DataBroker db;
- private TransactionInvoker txInvoker;
- private Map<ConnectionInfo,InstanceIdentifier<Node>> instanceIdentifiers =
+ private final DataBroker db;
+ private final TransactionInvoker txInvoker;
+ private final Map<ConnectionInfo,InstanceIdentifier<Node>> instanceIdentifiers =
new ConcurrentHashMap<>();
- private Map<Entity, OvsdbConnectionInstance> entityConnectionMap =
+ private final Map<InstanceIdentifier<Node>, OvsdbConnectionInstance> nodeIdVsConnectionInstance =
new ConcurrentHashMap<>();
- private EntityOwnershipService entityOwnershipService;
- private OvsdbDeviceEntityOwnershipListener ovsdbDeviceEntityOwnershipListener;
- private OvsdbConnection ovsdbConnection;
-
- public OvsdbConnectionManager(DataBroker db,TransactionInvoker txInvoker,
- EntityOwnershipService entityOwnershipService,
- OvsdbConnection ovsdbConnection) {
+ private final Map<Entity, OvsdbConnectionInstance> entityConnectionMap =
+ new ConcurrentHashMap<>();
+ private final EntityOwnershipService entityOwnershipService;
+ private final OvsdbDeviceEntityOwnershipListener ovsdbDeviceEntityOwnershipListener;
+ private final OvsdbConnection ovsdbConnection;
+ private final ReconciliationManager reconciliationManager;
+ private final InstanceIdentifierCodec instanceIdentifierCodec;
+
+ public OvsdbConnectionManager(final DataBroker db,final TransactionInvoker txInvoker,
+ final EntityOwnershipService entityOwnershipService,
+ final OvsdbConnection ovsdbConnection,
+ final InstanceIdentifierCodec instanceIdentifierCodec) {
this.db = db;
this.txInvoker = txInvoker;
this.entityOwnershipService = entityOwnershipService;
this.ovsdbDeviceEntityOwnershipListener = new OvsdbDeviceEntityOwnershipListener(this, entityOwnershipService);
this.ovsdbConnection = ovsdbConnection;
+ this.reconciliationManager = new ReconciliationManager(db, instanceIdentifierCodec);
+ this.instanceIdentifierCodec = instanceIdentifierCodec;
}
@Override
- public void connected(@Nonnull final OvsdbClient externalClient) {
+ public void connected(final OvsdbClient externalClient) {
LOG.info("Library connected {} from {}:{} to {}:{}",
externalClient.getConnectionInfo().getType(),
externalClient.getConnectionInfo().getRemoteAddress(),
externalClient.getConnectionInfo().getRemotePort(),
externalClient.getConnectionInfo().getLocalAddress(),
externalClient.getConnectionInfo().getLocalPort());
- List<String> databases = new ArrayList<>();
try {
- databases = externalClient.getDatabases().get();
- } catch (InterruptedException | ExecutionException e) {
- LOG.warn("Unable to fetch database list");
+ List<String> databases = externalClient.getDatabases().get(DB_FETCH_TIMEOUT, TimeUnit.MILLISECONDS);
+ if (databases.contains(SouthboundConstants.OPEN_V_SWITCH)) {
+ OvsdbConnectionInstance client = connectedButCallBacksNotRegistered(externalClient);
+ // Register Cluster Ownership for ConnectionInfo
+ registerEntityForOwnership(client);
+ }
+ } catch (InterruptedException | ExecutionException | TimeoutException e) {
+ LOG.warn("Unable to fetch Database list from device {}. Disconnecting from the device.",
+ externalClient.getConnectionInfo().getRemoteAddress(), e);
+ externalClient.disconnect();
}
- if(databases.contains(SouthboundConstants.OPEN_V_SWITCH)) {
- OvsdbConnectionInstance client = connectedButCallBacksNotRegistered(externalClient);
- // Register Cluster Ownership for ConnectionInfo
- registerEntityForOwnership(client);
- }
}
public OvsdbConnectionInstance connectedButCallBacksNotRegistered(final OvsdbClient externalClient) {
ovsdbConnectionInstance.disconnect();
removeConnectionInstance(key);
+
+ stopBridgeConfigReconciliationIfActive(ovsdbConnectionInstance.getInstanceIdentifier());
}
ovsdbConnectionInstance = new OvsdbConnectionInstance(key, externalClient, txInvoker,
}
@Override
- public void disconnected(OvsdbClient client) {
+ public void disconnected(final OvsdbClient client) {
LOG.info("Library disconnected {} from {}:{} to {}:{}. Cleaning up the operational data store",
client.getConnectionInfo().getType(),
client.getConnectionInfo().getRemoteAddress(),
// not be used as a candidate in Entity election (given that this instance is
// about to disconnect as well), if current owner get disconnected from
// OVSDB device.
- unregisterEntityForOwnership(ovsdbConnectionInstance);
-
- txInvoker.invoke(new OvsdbNodeRemoveCommand(ovsdbConnectionInstance, null, null));
-
+ if (ovsdbConnectionInstance.getHasDeviceOwnership()) {
+ LOG.info("Library disconnected {} this controller instance has ownership", key);
+ deleteOperNodeAndReleaseOwnership(ovsdbConnectionInstance);
+ } else {
+ LOG.info("Library disconnected {} this controller does not have ownership", key);
+ unregisterEntityForOwnership(ovsdbConnectionInstance);
+ }
removeConnectionInstance(key);
+
+ //Controller initiated connection can be terminated from switch side.
+ //So cleanup the instance identifier cache.
+ removeInstanceIdentifier(key);
+ nodeIdVsConnectionInstance.remove(ovsdbConnectionInstance.getInstanceIdentifier(),
+ ovsdbConnectionInstance);
+ stopBridgeConfigReconciliationIfActive(ovsdbConnectionInstance.getInstanceIdentifier());
+ retryConnection(ovsdbConnectionInstance.getInstanceIdentifier(),
+ ovsdbConnectionInstance.getOvsdbNodeAugmentation(),
+ ConnectionReconciliationTriggers.ON_DISCONNECT);
} else {
LOG.warn("disconnected : Connection instance not found for OVSDB Node {} ", key);
}
LOG.trace("OvsdbConnectionManager: exit disconnected client: {}", client);
}
- public OvsdbClient connect(InstanceIdentifier<Node> iid,
- OvsdbNodeAugmentation ovsdbNode) throws UnknownHostException {
+ private void deleteOperNodeAndReleaseOwnership(final OvsdbConnectionInstance ovsdbConnectionInstance) {
+ ovsdbConnectionInstance.setHasDeviceOwnership(false);
+ final InstanceIdentifier nodeIid = ovsdbConnectionInstance.getInstanceIdentifier();
+ //remove the node from oper only if it has ownership
+ txInvoker.invoke(new OvsdbNodeRemoveCommand(ovsdbConnectionInstance, null, null) {
+
+ @Override
+ public void onSuccess() {
+ super.onSuccess();
+ LOG.debug("Successfully removed node {} from oper", nodeIid);
+ //Giveup the ownership only after cleanup is done
+ unregisterEntityForOwnership(ovsdbConnectionInstance);
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.debug("Failed to remove node {} from oper", nodeIid);
+ super.onFailure(throwable);
+ unregisterEntityForOwnership(ovsdbConnectionInstance);
+ }
+ });
+ }
+
+ public OvsdbClient connect(final InstanceIdentifier<Node> iid,
+ final OvsdbNodeAugmentation ovsdbNode) throws UnknownHostException, ConnectException {
LOG.info("Connecting to {}", SouthboundUtil.connectionInfoToString(ovsdbNode.getConnectionInfo()));
// TODO handle case where we already have a connection
return client;
}
- public void disconnect(OvsdbNodeAugmentation ovsdbNode) throws UnknownHostException {
+ public void disconnect(final OvsdbNodeAugmentation ovsdbNode) throws UnknownHostException {
LOG.info("Disconnecting from {}", SouthboundUtil.connectionInfoToString(ovsdbNode.getConnectionInfo()));
OvsdbConnectionInstance client = getConnectionInstance(ovsdbNode.getConnectionInfo());
if (client != null) {
// Unregister Cluster Onwership for ConnectionInfo
- unregisterEntityForOwnership(client);
+ deleteOperNodeAndReleaseOwnership(client);
client.disconnect();
removeInstanceIdentifier(ovsdbNode.getConnectionInfo());
+
+ stopBridgeConfigReconciliationIfActive(client.getInstanceIdentifier());
} else {
LOG.debug("disconnect : connection instance not found for {}",ovsdbNode.getConnectionInfo());
}
ovsdbDeviceEntityOwnershipListener.close();
}
- for (OvsdbClient client: clients.values()) {
+ for (OvsdbConnectionInstance client: clients.values()) {
client.disconnect();
}
}
- private void putConnectionInstance(ConnectionInfo key,OvsdbConnectionInstance instance) {
+ @VisibleForTesting
+ void putConnectionInstance(final ConnectionInfo key,final OvsdbConnectionInstance instance) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
clients.put(connectionInfo, instance);
}
- private void removeConnectionInstance(ConnectionInfo key) {
+ private void removeConnectionInstance(final ConnectionInfo key) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
clients.remove(connectionInfo);
}
- private void putInstanceIdentifier(ConnectionInfo key,InstanceIdentifier<Node> iid) {
+ @VisibleForTesting
+ void putInstanceIdentifier(final ConnectionInfo key, final InstanceIdentifier<Node> iid) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
instanceIdentifiers.put(connectionInfo, iid);
}
- private void removeInstanceIdentifier(ConnectionInfo key) {
+ private void removeInstanceIdentifier(final ConnectionInfo key) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
instanceIdentifiers.remove(connectionInfo);
}
- public OvsdbConnectionInstance getConnectionInstance(ConnectionInfo key) {
+ public InstanceIdentifier<Node> getInstanceIdentifier(final ConnectionInfo key) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
- return clients.get(connectionInfo);
+ return instanceIdentifiers.get(connectionInfo);
}
- public InstanceIdentifier<Node> getInstanceIdentifier(ConnectionInfo key) {
+ public OvsdbConnectionInstance getConnectionInstance(final ConnectionInfo key) {
ConnectionInfo connectionInfo = SouthboundMapper.suppressLocalIpPort(key);
- return instanceIdentifiers.get(connectionInfo);
+ return clients.get(connectionInfo);
}
- public OvsdbConnectionInstance getConnectionInstance(OvsdbBridgeAttributes mn) {
+ public OvsdbConnectionInstance getConnectionInstance(final OvsdbBridgeAttributes mn) {
Optional<OvsdbNodeAugmentation> optional = SouthboundUtil.getManagingNode(db, mn);
if (optional.isPresent()) {
return getConnectionInstance(optional.get().getConnectionInfo());
}
}
- public OvsdbConnectionInstance getConnectionInstance(Node node) {
+ public OvsdbConnectionInstance getConnectionInstance(final Node node) {
Preconditions.checkNotNull(node);
- OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
- OvsdbBridgeAugmentation ovsdbManagedNode = node.getAugmentation(OvsdbBridgeAugmentation.class);
+ OvsdbNodeAugmentation ovsdbNode = node.augmentation(OvsdbNodeAugmentation.class);
+ OvsdbBridgeAugmentation ovsdbManagedNode = node.augmentation(OvsdbBridgeAugmentation.class);
if (ovsdbNode != null) {
return getConnectionInstance(ovsdbNode.getConnectionInfo());
} else if (ovsdbManagedNode != null) {
}
}
- public OvsdbConnectionInstance getConnectionInstance(InstanceIdentifier<Node> nodePath) {
+ public OvsdbConnectionInstance getConnectionInstance(final InstanceIdentifier<Node> nodePath) {
+ if (nodeIdVsConnectionInstance.get(nodePath) != null) {
+ return nodeIdVsConnectionInstance.get(nodePath);
+ }
try {
ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
CheckedFuture<Optional<Node>, ReadFailedException> nodeFuture = transaction.read(
LogicalDatastoreType.OPERATIONAL, nodePath);
transaction.close();
Optional<Node> optional = nodeFuture.get();
- if (optional != null && optional.isPresent() && optional.get() != null) {
+ if (optional.isPresent()) {
return this.getConnectionInstance(optional.get());
} else {
- LOG.warn("Found non-topological node {} on path {}",optional);
+ LOG.debug("Node was not found on the path in the operational DS: {}", nodePath);
return null;
}
- } catch (Exception e) {
+ } catch (InterruptedException | ExecutionException e) {
LOG.warn("Failed to get Ovsdb Node {}",nodePath, e);
return null;
}
}
- public OvsdbClient getClient(ConnectionInfo connectionInfo) {
- return getConnectionInstance(connectionInfo);
+ public OvsdbClient getClient(final ConnectionInfo connectionInfo) {
+ OvsdbConnectionInstance connectionInstance = getConnectionInstance(connectionInfo);
+ if (connectionInstance != null) {
+ return connectionInstance.getOvsdbClient();
+ }
+ return null;
}
- public OvsdbClient getClient(OvsdbBridgeAttributes mn) {
- return getConnectionInstance(mn);
+ public OvsdbClient getClient(final OvsdbBridgeAttributes mn) {
+ return getConnectionInstance(mn).getOvsdbClient();
}
- public OvsdbClient getClient(Node node) {
- return getConnectionInstance(node);
+ public OvsdbClient getClient(final Node node) {
+ return getConnectionInstance(node).getOvsdbClient();
}
- public Boolean getHasDeviceOwnership(ConnectionInfo connectionInfo) {
+ public Boolean getHasDeviceOwnership(final ConnectionInfo connectionInfo) {
OvsdbConnectionInstance ovsdbConnectionInstance = getConnectionInstance(connectionInfo);
if (ovsdbConnectionInstance == null) {
return Boolean.FALSE;
return ovsdbConnectionInstance.getHasDeviceOwnership();
}
- private void handleOwnershipChanged(EntityOwnershipChange ownershipChange) {
+ public void reconcileConnection(final InstanceIdentifier<Node> iid, final OvsdbNodeAugmentation ovsdbNode) {
+ this.retryConnection(iid, ovsdbNode,
+ ConnectionReconciliationTriggers.ON_CONTROLLER_INITIATED_CONNECTION_FAILURE);
+
+ }
+
+ public void stopConnectionReconciliationIfActive(final InstanceIdentifier<?> iid,
+ final OvsdbNodeAugmentation ovsdbNode) {
+ final ReconciliationTask task = new ConnectionReconciliationTask(
+ reconciliationManager,
+ this,
+ iid,
+ ovsdbNode);
+ reconciliationManager.dequeue(task);
+ }
+
+ public void stopBridgeConfigReconciliationIfActive(final InstanceIdentifier<?> iid) {
+ final ReconciliationTask task =
+ new BridgeConfigReconciliationTask(reconciliationManager, this, iid, null, instanceIdentifierCodec);
+ reconciliationManager.dequeue(task);
+ reconciliationManager.cancelTerminationPointReconciliation();
+ }
+
+ private void handleOwnershipChanged(final EntityOwnershipChange ownershipChange) {
OvsdbConnectionInstance ovsdbConnectionInstance = getConnectionInstanceFromEntity(ownershipChange.getEntity());
LOG.debug("handleOwnershipChanged: {} event received for device {}",
ownershipChange, ovsdbConnectionInstance != null ? ovsdbConnectionInstance.getConnectionInfo()
: "that's currently NOT registered by *this* southbound plugin instance");
if (ovsdbConnectionInstance == null) {
- if (ownershipChange.isOwner()) {
+ if (ownershipChange.getState().isOwner()) {
LOG.warn("handleOwnershipChanged: *this* instance is elected as an owner of the device {} but it "
+ "is NOT registered for ownership", ownershipChange.getEntity());
} else {
// If entity has no owner, clean up the operational data store (it's possible because owner controller
// might went down abruptly and didn't get a chance to clean up the operational data store.
- if (!ownershipChange.hasOwner()) {
+ if (!ownershipChange.getState().hasOwner()) {
LOG.info("{} has no owner, cleaning up the operational data store", ownershipChange.getEntity());
cleanEntityOperationalData(ownershipChange.getEntity());
}
//Connection detail need to be cached, irrespective of ownership result.
putConnectionInstance(ovsdbConnectionInstance.getMDConnectionInfo(),ovsdbConnectionInstance);
- if (ownershipChange.isOwner() == ovsdbConnectionInstance.getHasDeviceOwnership()) {
+ if (ownershipChange.getState().isOwner() == ovsdbConnectionInstance.getHasDeviceOwnership()) {
LOG.info("handleOwnershipChanged: no change in ownership for {}. Ownership status is : {}",
ovsdbConnectionInstance.getConnectionInfo(), ovsdbConnectionInstance.getHasDeviceOwnership()
- ? SouthboundConstants.OWNERSHIPSTATES.OWNER.getState()
- : SouthboundConstants.OWNERSHIPSTATES.NONOWNER.getState());
+ ? SouthboundConstants.OwnershipStates.OWNER.getState()
+ : SouthboundConstants.OwnershipStates.NONOWNER.getState());
return;
}
- ovsdbConnectionInstance.setHasDeviceOwnership(ownershipChange.isOwner());
+ ovsdbConnectionInstance.setHasDeviceOwnership(ownershipChange.getState().isOwner());
// You were not an owner, but now you are
- if (ownershipChange.isOwner()) {
+ if (ownershipChange.getState().isOwner()) {
LOG.info("handleOwnershipChanged: *this* southbound plugin instance is an OWNER of the device {}",
ovsdbConnectionInstance.getConnectionInfo());
//*this* instance of southbound plugin is owner of the device,
//so register for monitor callbacks
- ovsdbConnectionInstance.registerCallbacks();
+ ovsdbConnectionInstance.registerCallbacks(instanceIdentifierCodec);
+ reconcileBridgeConfigurations(ovsdbConnectionInstance);
} else {
//You were owner of the device, but now you are not. With the current ownership
//grant mechanism, this scenario should not occur. Because this scenario will occur
}
}
- private void cleanEntityOperationalData(Entity entity) {
+ private void cleanEntityOperationalData(final Entity entity) {
//Do explicit cleanup rather than using OvsdbNodeRemoveCommand, because there
// are chances that other controller instance went down abruptly and it does
// not clear manager entry, which OvsdbNodeRemoveCommand look for before cleanup.
- @SuppressWarnings("unchecked") final InstanceIdentifier<Node> nodeIid =
- (InstanceIdentifier<Node>) SouthboundUtil
- .getInstanceIdentifierCodec().bindingDeserializer(entity.getId());
-
- txInvoker.invoke(new TransactionCommand() {
- @Override
- public void execute(ReadWriteTransaction transaction) {
- Optional<Node> ovsdbNodeOpt = SouthboundUtil.readNode(transaction, nodeIid);
- if (ovsdbNodeOpt.isPresent()) {
- Node ovsdbNode = ovsdbNodeOpt.get();
- OvsdbNodeAugmentation nodeAugmentation = ovsdbNode.getAugmentation(OvsdbNodeAugmentation.class);
- if (nodeAugmentation != null) {
- if (nodeAugmentation.getManagedNodeEntry() != null) {
- for (ManagedNodeEntry managedNode : nodeAugmentation.getManagedNodeEntry()) {
- transaction.delete(
- LogicalDatastoreType.OPERATIONAL, managedNode.getBridgeRef().getValue());
- }
- } else {
- LOG.debug("{} had no managed nodes", ovsdbNode.getNodeId().getValue());
+ @SuppressWarnings("unchecked")
+ final InstanceIdentifier<Node> nodeIid = (InstanceIdentifier<Node>) entity.getIdentifier();
+
+ txInvoker.invoke(transaction -> {
+ Optional<Node> ovsdbNodeOpt = SouthboundUtil.readNode(transaction, nodeIid);
+ if (ovsdbNodeOpt.isPresent()) {
+ Node ovsdbNode = ovsdbNodeOpt.get();
+ OvsdbNodeAugmentation nodeAugmentation = ovsdbNode.augmentation(OvsdbNodeAugmentation.class);
+ if (nodeAugmentation != null) {
+ if (nodeAugmentation.getManagedNodeEntry() != null) {
+ for (ManagedNodeEntry managedNode : nodeAugmentation.getManagedNodeEntry()) {
+ transaction.delete(
+ LogicalDatastoreType.OPERATIONAL, managedNode.getBridgeRef().getValue());
}
+ } else {
+ LOG.debug("{} had no managed nodes", ovsdbNode.getNodeId().getValue());
}
- transaction.delete(LogicalDatastoreType.OPERATIONAL, nodeIid);
}
+ transaction.delete(LogicalDatastoreType.OPERATIONAL, nodeIid);
}
});
}
- private OpenVSwitch getOpenVswitchTableEntry(OvsdbConnectionInstance connectionInstance) {
+ private OpenVSwitch getOpenVswitchTableEntry(final OvsdbConnectionInstance connectionInstance) {
DatabaseSchema dbSchema = null;
OpenVSwitch openVSwitchRow = null;
try {
- dbSchema = connectionInstance.getSchema(OvsdbSchemaContants.databaseName).get();
+ dbSchema = connectionInstance.getSchema(OvsdbSchemaContants.DATABASE_NAME).get();
} catch (InterruptedException | ExecutionException e) {
LOG.warn("Not able to fetch schema for database {} from device {}",
- OvsdbSchemaContants.databaseName,connectionInstance.getConnectionInfo(),e);
+ OvsdbSchemaContants.DATABASE_NAME,connectionInstance.getConnectionInfo(),e);
}
if (dbSchema != null) {
GenericTableSchema openVSwitchSchema = TyperUtils.getTableSchema(dbSchema, OpenVSwitch.class);
operations.add(op.comment("Fetching Open_VSwitch table rows"));
try {
List<OperationResult> results = connectionInstance.transact(dbSchema, operations).get();
- if (results != null ) {
+ if (results != null) {
OperationResult selectResult = results.get(0);
openVSwitchRow = TyperUtils.getTypedRowWrapper(
dbSchema,OpenVSwitch.class,selectResult.getRows().get(0));
}
return openVSwitchRow;
}
- private Entity getEntityFromConnectionInstance(@Nonnull OvsdbConnectionInstance ovsdbConnectionInstance) {
+
+ private Entity getEntityFromConnectionInstance(@NonNull final OvsdbConnectionInstance ovsdbConnectionInstance) {
InstanceIdentifier<Node> iid = ovsdbConnectionInstance.getInstanceIdentifier();
- if ( iid == null ) {
+ if (iid == null) {
/* Switch initiated connection won't have iid, till it gets OpenVSwitch
* table update but update callback is always registered after ownership
* is granted. So we are explicitly fetch the row here to get the iid.
*/
OpenVSwitch openvswitchRow = getOpenVswitchTableEntry(ovsdbConnectionInstance);
- iid = SouthboundMapper.getInstanceIdentifier(openvswitchRow);
+ iid = SouthboundMapper.getInstanceIdentifier(instanceIdentifierCodec, openvswitchRow);
LOG.info("InstanceIdentifier {} generated for device "
+ "connection {}",iid,ovsdbConnectionInstance.getConnectionInfo());
ovsdbConnectionInstance.setInstanceIdentifier(iid);
}
- YangInstanceIdentifier entityId = SouthboundUtil.getInstanceIdentifierCodec().getYangInstanceIdentifier(iid);
- Entity deviceEntity = new Entity(ENTITY_TYPE, entityId);
+ Entity deviceEntity = new Entity(ENTITY_TYPE, iid);
LOG.debug("Entity {} created for device connection {}",
deviceEntity, ovsdbConnectionInstance.getConnectionInfo());
return deviceEntity;
}
- private OvsdbConnectionInstance getConnectionInstanceFromEntity(Entity entity) {
+ private OvsdbConnectionInstance getConnectionInstanceFromEntity(final Entity entity) {
return entityConnectionMap.get(entity);
}
- private void registerEntityForOwnership(OvsdbConnectionInstance ovsdbConnectionInstance) {
+ private void registerEntityForOwnership(final OvsdbConnectionInstance ovsdbConnectionInstance) {
+ putConnectionInstance(ovsdbConnectionInstance.getMDConnectionInfo(), ovsdbConnectionInstance);
Entity candidateEntity = getEntityFromConnectionInstance(ovsdbConnectionInstance);
+ if (entityConnectionMap.containsKey(candidateEntity)) {
+ LOG.error("Old connection still hanging for {}", candidateEntity);
+ disconnected(ovsdbConnectionInstance.getOvsdbClient());
+ //TODO do cleanup for old connection or stale check
+ }
+ nodeIdVsConnectionInstance.put((InstanceIdentifier<Node>) candidateEntity.getIdentifier(),
+ ovsdbConnectionInstance);
entityConnectionMap.put(candidateEntity, ovsdbConnectionInstance);
ovsdbConnectionInstance.setConnectedEntity(candidateEntity);
try {
ovsdbConnectionInstance.setDeviceOwnershipCandidateRegistration(registration);
LOG.info("OVSDB entity {} is registered for ownership.", candidateEntity);
- //If entity already has owner, it won't get notification from EntityOwnershipService
- //so cache the connection instances.
- Optional<EntityOwnershipState> ownershipStateOpt =
- entityOwnershipService.getOwnershipState(candidateEntity);
- if (ownershipStateOpt.isPresent()) {
- EntityOwnershipState ownershipState = ownershipStateOpt.get();
- if (ownershipState.hasOwner() && !ownershipState.isOwner()) {
- LOG.info("OVSDB entity {} is already owned by other southbound plugin "
- + "instance, so *this* instance is NOT an OWNER of the device",
- ovsdbConnectionInstance.getConnectionInfo());
- putConnectionInstance(ovsdbConnectionInstance.getMDConnectionInfo(),ovsdbConnectionInstance);
- }
- }
} catch (CandidateAlreadyRegisteredException e) {
LOG.warn("OVSDB entity {} was already registered for ownership", candidateEntity, e);
}
-
+ //If entity already has owner, it won't get notification from EntityOwnershipService
+ java.util.Optional<EntityOwnershipState> ownershipStateOpt =
+ entityOwnershipService.getOwnershipState(candidateEntity);
+ if (ownershipStateOpt.isPresent()) {
+ EntityOwnershipState ownershipState = ownershipStateOpt.get();
+ if (ownershipState == EntityOwnershipState.OWNED_BY_OTHER) {
+ ovsdbConnectionInstance.setHasDeviceOwnership(false);
+ } else if (ownershipState == EntityOwnershipState.IS_OWNER) {
+ ovsdbConnectionInstance.setHasDeviceOwnership(true);
+ ovsdbConnectionInstance.registerCallbacks(instanceIdentifierCodec);
+ }
+ }
}
- private void unregisterEntityForOwnership(OvsdbConnectionInstance ovsdbConnectionInstance) {
+ private void unregisterEntityForOwnership(final OvsdbConnectionInstance ovsdbConnectionInstance) {
ovsdbConnectionInstance.closeDeviceOwnershipCandidateRegistration();
- entityConnectionMap.remove(ovsdbConnectionInstance.getConnectedEntity());
+ entityConnectionMap.remove(ovsdbConnectionInstance.getConnectedEntity(), ovsdbConnectionInstance);
+ }
+
+ private void retryConnection(final InstanceIdentifier<Node> iid, final OvsdbNodeAugmentation ovsdbNode,
+ final ConnectionReconciliationTriggers trigger) {
+ final ReconciliationTask task = new ConnectionReconciliationTask(
+ reconciliationManager,
+ this,
+ iid,
+ ovsdbNode);
+
+ if (reconciliationManager.isEnqueued(task)) {
+ return;
+ }
+ switch (trigger) {
+ case ON_CONTROLLER_INITIATED_CONNECTION_FAILURE:
+ reconciliationManager.enqueueForRetry(task);
+ break;
+ case ON_DISCONNECT: {
+ CheckedFuture<Optional<Node>, ReadFailedException> readNodeFuture;
+ try (ReadOnlyTransaction tx = db.newReadOnlyTransaction()) {
+ readNodeFuture = tx.read(LogicalDatastoreType.CONFIGURATION, iid);
+ }
+ Futures.addCallback(readNodeFuture, new FutureCallback<Optional<Node>>() {
+ @Override
+ public void onSuccess(final Optional<Node> node) {
+ if (node.isPresent()) {
+ LOG.info("Disconnected/Failed connection {} was controller initiated, attempting "
+ + "reconnection", ovsdbNode.getConnectionInfo());
+ reconciliationManager.enqueue(task);
+
+ } else {
+ LOG.debug("Connection {} was switch initiated, no reconciliation is required",
+ iid.firstKeyOf(Node.class).getNodeId());
+ }
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.warn("Read Config/DS for Node failed! {}", iid, throwable);
+ }
+ }, MoreExecutors.directExecutor());
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ private void reconcileBridgeConfigurations(final OvsdbConnectionInstance client) {
+ final InstanceIdentifier<Node> nodeIid = client.getInstanceIdentifier();
+ final ReconciliationTask task = new BridgeConfigReconciliationTask(
+ reconciliationManager, OvsdbConnectionManager.this, nodeIid, client, instanceIdentifierCodec);
+
+ reconciliationManager.enqueue(task);
}
- private class OvsdbDeviceEntityOwnershipListener implements EntityOwnershipListener {
- private OvsdbConnectionManager cm;
- private EntityOwnershipListenerRegistration listenerRegistration;
+ private static class OvsdbDeviceEntityOwnershipListener implements EntityOwnershipListener {
+ private final OvsdbConnectionManager cm;
+ private final EntityOwnershipListenerRegistration listenerRegistration;
- OvsdbDeviceEntityOwnershipListener(OvsdbConnectionManager cm, EntityOwnershipService entityOwnershipService) {
+ OvsdbDeviceEntityOwnershipListener(final OvsdbConnectionManager cm,
+ final EntityOwnershipService entityOwnershipService) {
this.cm = cm;
listenerRegistration = entityOwnershipService.registerListener(ENTITY_TYPE, this);
}
+
public void close() {
listenerRegistration.close();
}
+
@Override
- public void ownershipChanged(EntityOwnershipChange ownershipChange) {
+ public void ownershipChanged(final EntityOwnershipChange ownershipChange) {
cm.handleOwnershipChanged(ownershipChange);
}
}
+
+ private enum ConnectionReconciliationTriggers {
+ /*
+ Reconciliation trigger for scenario where controller's attempt
+ to connect to switch fails on config data store notification
+ */
+ ON_CONTROLLER_INITIATED_CONNECTION_FAILURE,
+
+ /*
+ Reconciliation trigger for the scenario where controller
+ initiated connection disconnects.
+ */
+ ON_DISCONNECT
+ }
}