package org.opendaylight.groupbasedpolicy.renderer.vpp.util;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+
+import javax.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.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.groupbasedpolicy.renderer.vpp.commands.ConfigCommand;
+import org.opendaylight.groupbasedpolicy.renderer.vpp.commands.AbstractInterfaceCommand;
+import org.opendaylight.groupbasedpolicy.renderer.vpp.commands.RoutingCommand;
+import org.opendaylight.groupbasedpolicy.renderer.vpp.commands.interfaces.ConfigCommand;
+import org.opendaylight.vbd.impl.transaction.VbdNetconfTransaction;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+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.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
public static final byte RETRY_COUNT = 3;
private static final Logger LOG = LoggerFactory.getLogger(GbpNetconfTransaction.class);
+ /***
+ * Netconf wrapper for write and delete operation on a Netconf Device
+ * @param vppIid destination node
+ * @param iid path for Data to be written to
+ * @param data data to be written
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @param <T> data type
+ * @return true if transaction is successful, false otherwise
+ */
+ public static <T extends DataObject> boolean netconfSyncedWrite(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final InstanceIdentifier<T> iid, @Nonnull final T data, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result =
+ write(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), iid, data, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ public static <T extends DataObject> boolean netconfSyncedWrite(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final Map<InstanceIdentifier<T>,T> data, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = write(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), data, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper for merge operation on a Netconf Device
+ * @param vppIid destination node
+ * @param iid path for Data to be merged to
+ * @param data data to be merged
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @param <T> data type
+ * @return true if transaction is successful, false otherwise
+ */
+ public static <T extends DataObject> boolean netconfSyncedMerge(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final InstanceIdentifier<T> iid, @Nonnull final T data, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result =
+ merge(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), iid, data, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper for merge operation on a Netconf Device
+ * @param vppIid destination node
+ * @param command config command that needs to be executed
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @return true if transaction is successful, false otherwise
+ */
+ public static boolean netconfSyncedMerge(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final ConfigCommand command, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result =
+ write(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), command, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper method for synced requests for write operation on a Netconf Device
+ * @param vppIid destination node
+ * @param command config command that needs to be executed
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @return true if transaction is successful, false otherwise
+ */
+ public static boolean netconfSyncedWrite(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final ConfigCommand command, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = write(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), command, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper method for synced requests for write operation on a Netconf Device
+ * @param vppIid destination node
+ * @param command routing command that needs to be executed
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @return true if transaction is successful, false otherwise
+ */
+ public static boolean netconfSyncedWrite(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final RoutingCommand command, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = write(VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey(), command, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper method for synced requests for delete operation on a Netconf Device
+ * @param vppIid destination node
+ * @param iid path for Data to be written to
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @param <T> data type
+ * @return true if transaction is successful, false otherwise
+ */
+ public static <T extends DataObject> boolean netconfSyncedDelete(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final InstanceIdentifier<T> iid, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = deleteIfExists(vppIid, iid, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ public static <T extends DataObject> boolean netconfSyncedDelete(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull Set<InstanceIdentifier<T>> iids , byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = deleteIfExists(vppIid, iids, retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper method for synced requests for delete operation on a Netconf Device
+ * @param vppIid destination node
+ * @param command config command that needs to be executed
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @return true if transaction is successful, false otherwise
+ */
+ public static boolean netconfSyncedDelete(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final ConfigCommand command, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = deleteIfExists(vppIid, command.getIid(), retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
+ /***
+ * Netconf wrapper method for synced requests for delete operation on a Netconf Device
+ * @param vppIid destination node
+ * @param command routing command that needs to be executed
+ * @param retryCounter retry counter, will repeat the operation for specified amount of times if transaction fails
+ * @return true if transaction is successful, false otherwise
+ */
+ public static boolean netconfSyncedDelete(@Nonnull final InstanceIdentifier<Node> vppIid,
+ @Nonnull final RoutingCommand command, byte retryCounter) {
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().lock();
+ boolean result = deleteIfExists(vppIid, command.getIid(), retryCounter);
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getValue().unlock();
+ return result;
+ }
+
/**
* Use {@link ConfigCommand} to put data into netconf transaction and submit. Transaction is restarted if failed
*
* @param retryCounter number of attempts
* @return true if transaction is successful, false otherwise
*/
- public static synchronized boolean write(final DataBroker mountpoint, final ConfigCommand command,
- byte retryCounter) {
+ private static boolean write(final DataBroker mountpoint, final ConfigCommand command, byte retryCounter) {
LOG.trace("Netconf WRITE transaction started. RetryCounter: {}", retryCounter);
Preconditions.checkNotNull(mountpoint);
final ReadWriteTransaction rwTx = mountpoint.newReadWriteTransaction();
* @param <T> generic data type. Has to be child of {@link DataObject}
* @return true if transaction is successful, false otherwise
*/
- public static synchronized <T extends DataObject> boolean write(final DataBroker mountpoint,
- final InstanceIdentifier<T> iid,
- final T data,
- byte retryCounter) {
+ private static <T extends DataObject> boolean write(final DataBroker mountpoint, final InstanceIdentifier<T> iid,
+ final T data, byte retryCounter) {
LOG.trace("Netconf WRITE transaction started. RetryCounter: {}", retryCounter);
Preconditions.checkNotNull(mountpoint);
final ReadWriteTransaction rwTx = mountpoint.newReadWriteTransaction();
}
}
+ /**
+ * Merge data to remote device. Transaction is restarted if failed
+ *
+ * @param mountpoint to access remote device
+ * @param iid data identifier
+ * @param data to merge
+ * @param retryCounter number of attempts
+ * @param <T> generic data type. Has to be child of {@link DataObject}
+ * @return true if transaction is successful, false otherwise
+ */
+ private static <T extends DataObject> boolean merge(final DataBroker mountpoint, final InstanceIdentifier<T> iid,
+ final T data, byte retryCounter) {
+ LOG.trace("Netconf MERGE transaction started. RetryCounter: {}", retryCounter);
+ Preconditions.checkNotNull(mountpoint);
+ final ReadWriteTransaction rwTx = mountpoint.newReadWriteTransaction();
+ try {
+ rwTx.merge(LogicalDatastoreType.CONFIGURATION, iid, data, true);
+ final CheckedFuture<Void, TransactionCommitFailedException> futureTask = rwTx.submit();
+ futureTask.get();
+ LOG.trace("Netconf MERGE transaction done for {}", iid);
+ return true;
+ } catch (Exception e) {
+ // Retry
+ if (retryCounter > 0) {
+ LOG.warn("Netconf MERGE transaction failed to {}. Restarting transaction ... ", e.getMessage());
+ return write(mountpoint, iid, data, --retryCounter);
+ } else {
+ LOG.warn("Netconf MERGE transaction unsuccessful. Maximal number of attempts reached. Trace: {}", e);
+ return false;
+ }
+ }
+ }
+
+ private static <T extends DataObject> boolean write(final DataBroker mountpoint,
+ @Nonnull final Map<InstanceIdentifier<T>, T> data, byte retryCounter) {
+ LOG.trace("Netconf WRITE transaction started. RetryCounter: {}", retryCounter);
+ Preconditions.checkNotNull(mountpoint);
+ Preconditions.checkNotNull(data);
+ Preconditions.checkArgument(!data.isEmpty());
+ final ReadWriteTransaction rwTx = mountpoint.newReadWriteTransaction();
+ try {
+ data.forEach((k, v) -> rwTx.put(LogicalDatastoreType.CONFIGURATION, k, v, true));
+ final CheckedFuture<Void, TransactionCommitFailedException> futureTask = rwTx.submit();
+ futureTask.get();
+ LOG.trace("Netconf WRITE transaction done for {}", data);
+ return true;
+ } catch (Exception e) {
+ // Retry
+ if (retryCounter > 0) {
+ LOG.warn("Netconf WRITE transaction failed to {}. Restarting transaction ... ", e.getMessage());
+ return write(mountpoint, data, --retryCounter);
+ } else {
+ LOG.warn("Netconf WRITE transaction unsuccessful. Maximal number of attempts reached. Trace: {}", e);
+ return false;
+ }
+ }
+ }
+
/**
* Read data from remote device. Transaction is restarted if failed.
*
- * @param mountpoint to access remote device
* @param datastoreType {@link LogicalDatastoreType}
+ * @param vppIid destination node
* @param iid data identifier
* @param retryCounter number of attempts
* @param <T> generic data type. Has to be child of {@link DataObject}
* @return optional data object if successful, {@link Optional#absent()} if failed
*/
- public static synchronized <T extends DataObject> Optional<T> read(final DataBroker mountpoint,
- final LogicalDatastoreType datastoreType,
- final InstanceIdentifier<T> iid,
- byte retryCounter) {
+ public static synchronized <T extends DataObject> Optional<T> read(final InstanceIdentifier<Node> vppIid,
+ final LogicalDatastoreType datastoreType, final InstanceIdentifier<T> iid, byte retryCounter) {
LOG.trace("Netconf READ transaction started. RetryCounter: {}", retryCounter);
- Preconditions.checkNotNull(mountpoint);
+ Preconditions.checkNotNull(vppIid);
+ DataBroker mountpoint = VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey();
final ReadOnlyTransaction rTx = mountpoint.newReadOnlyTransaction();
Optional<T> data;
try {
final CheckedFuture<Optional<T>, ReadFailedException> futureData =
- rTx.read(datastoreType, iid);
+ rTx.read(datastoreType, iid);
data = futureData.get();
LOG.trace("Netconf READ transaction done. Data present: {}", data.isPresent());
return data;
if (retryCounter > 0) {
LOG.warn("Netconf READ transaction failed to {}. Restarting transaction ... ", e.getMessage());
rTx.close();
- return read(mountpoint, datastoreType, iid, --retryCounter);
+ return read(vppIid, datastoreType, iid, --retryCounter);
} else {
LOG.warn("Netconf READ transaction unsuccessful. Maximal number of attempts reached. Trace: {}", e);
return Optional.absent();
/**
* Remove data from remote device using {@link ConfigCommand}
- *
- * @param mountpoint to access remote device
+ * @param vppIid destination node
* @param command config command with data, datastore type and iid
* @param retryCounter number of attempts
* @return true if transaction is successful, false otherwise
*/
- public static synchronized boolean deleteIfExists(final DataBroker mountpoint, final ConfigCommand command,
- byte retryCounter) {
- Preconditions.checkNotNull(mountpoint);
+ private static boolean deleteIfExists(final InstanceIdentifier<Node> vppIid, final AbstractInterfaceCommand command,
+ byte retryCounter) {
+ Preconditions.checkNotNull(vppIid);
InstanceIdentifier<Interface> iid = VppIidFactory.getInterfaceIID(command.getInterfaceBuilder().getKey());
- return deleteIfExists(mountpoint, iid, retryCounter);
+ return deleteIfExists(vppIid, iid, retryCounter);
}
/**
* Remove data from remote device. Data presence is verified before removal. Transaction is restarted if failed.
- *
- * @param mountpoint to access remote device
+ * @param vppIid destination node
* @param iid data identifier
* @param retryCounter number of attempts
* @param <T> generic data type. Has to be child of {@link DataObject}
* @return true if transaction is successful, false otherwise
*/
- public static synchronized <T extends DataObject> boolean deleteIfExists(final DataBroker mountpoint,
- final InstanceIdentifier<T> iid,
- byte retryCounter) {
+ private static <T extends DataObject> boolean deleteIfExists(final InstanceIdentifier<Node> vppIid,
+ final InstanceIdentifier<T> iid, byte retryCounter) {
LOG.trace("Netconf DELETE transaction started. Data will be read at first. RetryCounter: {}", retryCounter);
- Preconditions.checkNotNull(mountpoint);
- final Optional<T> optionalObject = read(mountpoint, LogicalDatastoreType.CONFIGURATION, iid, RETRY_COUNT);
+ Preconditions.checkNotNull(vppIid);
+ DataBroker mountpoint = VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey();
+ final Optional<T> optionalObject = read(vppIid, LogicalDatastoreType.CONFIGURATION, iid, RETRY_COUNT);
if (!optionalObject.isPresent()) {
LOG.warn("Netconf DELETE transaction aborted. Data to remove are not present or cannot be read. Iid: {}",
- iid);
+ iid);
// Return true, this state is not considered as an error
return true;
}
// Retry
if (retryCounter > 0) {
LOG.warn("Netconf DELETE transaction failed to {}. Restarting transaction ... ", e.getMessage());
- return deleteIfExists(mountpoint, iid, --retryCounter);
+ return deleteIfExists(vppIid, iid, --retryCounter);
+ } else {
+ LOG.warn("Netconf DELETE transaction unsuccessful. Maximal number of attempts reached. Trace: {}", e);
+ return false;
+ }
+ }
+ }
+
+ private static <T extends DataObject> boolean deleteIfExists(final InstanceIdentifier<Node> vppIid,
+ final Set<InstanceIdentifier<T>> iids, byte retryCounter) {
+ LOG.trace("Netconf DELETE transaction started. Data will be read at first. RetryCounter: {}", retryCounter);
+ Preconditions.checkNotNull(vppIid);
+ final ReadWriteTransaction rwTx =
+ VbdNetconfTransaction.NODE_DATA_BROKER_MAP.get(vppIid).getKey().newReadWriteTransaction();
+ Set<InstanceIdentifier<T>> alreadyRemoved = new HashSet<>();
+ for (InstanceIdentifier<T> iid : iids) {
+ short microReadRetries = 3;
+ while (microReadRetries > 0) {
+ try {
+ if (rwTx.read(LogicalDatastoreType.CONFIGURATION, iid).get().isPresent()) {
+ rwTx.delete(LogicalDatastoreType.CONFIGURATION, iid);
+ } else {
+ LOG.warn("Node {} does not exist. It won't be removed.", iid.getPathArguments());
+ alreadyRemoved.add(iid);
+ }
+ break;
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.warn("Failed to read {}. Retrying... ", iid.getPathArguments());
+ microReadRetries--;
+ }
+ }
+ }
+ alreadyRemoved.forEach(t -> iids.remove(t));
+ try {
+ final CheckedFuture<Void, TransactionCommitFailedException> futureTask = rwTx.submit();
+ futureTask.get();
+ LOG.trace("Netconf DELETE transaction done for {}", iids);
+ return true;
+ } catch (Exception e) {
+ // Retry
+ if (retryCounter > 0) {
+ LOG.warn("Netconf DELETE transaction failed to {}. Restarting transaction ... ", e.getMessage());
+ return deleteIfExists(vppIid, iids, --retryCounter);
} else {
LOG.warn("Netconf DELETE transaction unsuccessful. Maximal number of attempts reached. Trace: {}", e);
return false;
}
}
}
-}
\ No newline at end of file
+}