*/
package org.opendaylight.controller.cluster.datastore;
-import java.io.IOException;
-import org.opendaylight.controller.cluster.datastore.modification.ModificationPayload;
-import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
-import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Throwables;
+import java.io.File;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardDataTreeSnapshot;
+import org.opendaylight.controller.cluster.datastore.utils.NormalizedNodeXMLOutput;
import org.opendaylight.controller.cluster.raft.RaftActorRecoveryCohort;
-import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationByteStringPayload;
-import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
import org.slf4j.Logger;
/**
* @author Thomas Pantelis
*/
class ShardRecoveryCoordinator implements RaftActorRecoveryCohort {
- private static final YangInstanceIdentifier ROOT = YangInstanceIdentifier.builder().build();
- private final DataTree store;
+ private final ShardDataTree store;
private final String shardName;
private final Logger log;
- private DataTreeModification transaction;
- private int size;
+ private final byte[] restoreFromSnapshot;
- ShardRecoveryCoordinator(ShardDataTree store, String shardName, Logger log) {
- this.store = store.getDataTree();
- this.shardName = shardName;
- this.log = log;
+ private boolean open;
+
+ ShardRecoveryCoordinator(final ShardDataTree store, final byte[] restoreFromSnapshot, final String shardName, final Logger log) {
+ this.store = Preconditions.checkNotNull(store);
+ this.shardName = Preconditions.checkNotNull(shardName);
+ this.log = Preconditions.checkNotNull(log);
+
+ this.restoreFromSnapshot = restoreFromSnapshot;
}
@Override
- public void startLogRecoveryBatch(int maxBatchSize) {
+ public void startLogRecoveryBatch(final int maxBatchSize) {
log.debug("{}: starting log recovery batch with max size {}", shardName, maxBatchSize);
- transaction = store.takeSnapshot().newModification();
- size = 0;
+ open = true;
}
@Override
- public void appendRecoveredLogEntry(Payload payload) {
+ public void appendRecoveredLogEntry(final Payload payload) {
+ Preconditions.checkState(open, "call startLogRecovery before calling appendRecoveredLogEntry");
+
try {
- if (payload instanceof DataTreeCandidatePayload) {
- DataTreeCandidates.applyToModification(transaction, ((DataTreeCandidatePayload)payload).getCandidate());
- size++;
- } else if (payload instanceof ModificationPayload) {
- MutableCompositeModification.fromSerializable(
- ((ModificationPayload) payload).getModification()).apply(transaction);
- size++;
- } else if (payload instanceof CompositeModificationPayload) {
- MutableCompositeModification.fromSerializable(
- ((CompositeModificationPayload) payload).getModification()).apply(transaction);
- size++;
- } else if (payload instanceof CompositeModificationByteStringPayload) {
- MutableCompositeModification.fromSerializable(
- ((CompositeModificationByteStringPayload) payload).getModification()).apply(transaction);
- size++;
- } else {
- log.error("{}: Unknown payload {} received during recovery", shardName, payload);
- }
- } catch (IOException | ClassNotFoundException e) {
- log.error("{}: Error extracting ModificationPayload", shardName, e);
+ store.applyRecoveryPayload(payload);
+ } catch (Exception e) {
+ log.error("{}: failed to apply payload {}", shardName, payload, e);
+ throw new IllegalStateException(String.format("%s: Failed to apply recovery payload %s",
+ shardName, payload), e);
}
}
- private void commitTransaction(DataTreeModification tx) throws DataValidationFailedException {
- tx.ready();
- store.validate(tx);
- store.commit(store.prepare(tx));
- }
-
/**
* Applies the current batched log entries to the data store.
*/
@Override
public void applyCurrentLogRecoveryBatch() {
- log.debug("{}: Applying current log recovery batch with size {}", shardName, size);
- try {
- commitTransaction(transaction);
- } catch (DataValidationFailedException e) {
- log.error("{}: Failed to apply recovery batch", shardName, e);
- }
- transaction = null;
+ Preconditions.checkState(open, "call startLogRecovery before calling applyCurrentLogRecoveryBatch");
+ open = false;
+ }
+
+ private File writeRoot(final String kind, final NormalizedNode<?, ?> node) {
+ final File file = new File(System.getProperty("karaf.data", "."),
+ "failed-recovery-" + kind + "-" + shardName + ".xml");
+ NormalizedNodeXMLOutput.toFile(file, node);
+ return file;
}
/**
public void applyRecoverySnapshot(final byte[] snapshotBytes) {
log.debug("{}: Applying recovered snapshot", shardName);
- final NormalizedNode<?, ?> node = SerializationUtils.deserializeNormalizedNode(snapshotBytes);
- final DataTreeModification tx = store.takeSnapshot().newModification();
- tx.write(ROOT, node);
+ final ShardDataTreeSnapshot snapshot;
+ try {
+ snapshot = ShardDataTreeSnapshot.deserialize(snapshotBytes);
+ } catch (Exception e) {
+ log.error("{}: failed to deserialize snapshot", shardName, e);
+ throw Throwables.propagate(e);
+ }
+
try {
- commitTransaction(tx);
- } catch (DataValidationFailedException e) {
- log.error("{}: Failed to apply recovery snapshot", shardName, e);
+ store.applyRecoverySnapshot(snapshot);
+ } catch (Exception e) {
+ final File f = writeRoot("snapshot", snapshot.getRootNode().orElse(null));
+ throw new IllegalStateException(String.format(
+ "%s: Failed to apply recovery snapshot %s. Node data was written to file %s",
+ shardName, snapshot, f), e);
}
}
+
+ @Override
+ public byte[] getRestoreFromSnapshot() {
+ return restoreFromSnapshot;
+ }
}
Code Review / controller.git / blobdiff