GeorgeJahad commented on code in PR #3746: URL: https://github.com/apache/ozone/pull/3746#discussion_r979139000
########## hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/NSSummaryTaskWithLegacy.java: ########## @@ -0,0 +1,266 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.hadoop.ozone.recon.tasks; +import org.apache.commons.lang3.tuple.ImmutablePair; +import org.apache.commons.lang3.tuple.Pair; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.hdds.utils.db.TableIterator; +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.helpers.OmDirectoryInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.BucketLayout; +import org.apache.hadoop.ozone.om.helpers.WithParentObjectId; +import org.apache.hadoop.ozone.recon.api.types.NSSummary; +import org.apache.hadoop.ozone.recon.recovery.ReconOMMetadataManager; +import org.apache.hadoop.ozone.recon.spi.ReconNamespaceSummaryManager; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.inject.Inject; +import java.io.IOException; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +import static org.apache.hadoop.ozone.OzoneConsts.OM_KEY_PREFIX; +import static org.apache.hadoop.ozone.om.OmMetadataManagerImpl.KEY_TABLE; + +/** + * Class for handling Legacy specific tasks. + */ +public class NSSummaryTaskWithLegacy extends NSSummaryTask { + + private static final BucketLayout BUCKET_LAYOUT = BucketLayout.LEGACY; + + private final ReconOMMetadataManager reconOMMetadataManager; + + private static final Logger LOG = + LoggerFactory.getLogger(NSSummaryTaskWithLegacy.class); + + @Inject + public NSSummaryTaskWithLegacy(ReconNamespaceSummaryManager + reconNamespaceSummaryManager, + ReconOMMetadataManager + reconOMMetadataManager) { + super(reconNamespaceSummaryManager); + this.reconOMMetadataManager = reconOMMetadataManager; + } + + @Override + public String getTaskName() { + return "NSSummaryTaskWithLegacy"; + } + + @Override + public Pair<String, Boolean> process(OMUpdateEventBatch events) { + Iterator<OMDBUpdateEvent> eventIterator = events.getIterator(); + Map<Long, NSSummary> nsSummaryMap = new HashMap<>(); + + while (eventIterator.hasNext()) { + OMDBUpdateEvent<String, ? extends + WithParentObjectId> omdbUpdateEvent = eventIterator.next(); + OMDBUpdateEvent.OMDBUpdateAction action = omdbUpdateEvent.getAction(); + + // we only process updates on OM's KeyTable + String table = omdbUpdateEvent.getTable(); + boolean updateOnKeyTable = table.equals(KEY_TABLE); + if (!updateOnKeyTable) { + continue; + } + + String updatedKey = omdbUpdateEvent.getKey(); + + try { + OMDBUpdateEvent<String, OmKeyInfo> keyTableUpdateEvent = + (OMDBUpdateEvent<String, OmKeyInfo>) omdbUpdateEvent; + OmKeyInfo updatedKeyInfo = keyTableUpdateEvent.getValue(); + OmKeyInfo oldKeyInfo = keyTableUpdateEvent.getOldValue(); + + setKeyParentID(updatedKeyInfo); + + if (!updatedKeyInfo.getKeyName().endsWith(OM_KEY_PREFIX)) { + switch (action) { + case PUT: + handlePutKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + case DELETE: + handleDeleteKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + case UPDATE: + if (oldKeyInfo != null) { + // delete first, then put + setKeyParentID(oldKeyInfo); + handleDeleteKeyEvent(oldKeyInfo, nsSummaryMap); + } else { + LOG.warn("Update event does not have the old keyInfo for {}.", + updatedKey); + } + handlePutKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + default: + LOG.debug("Skipping DB update event : {}", + omdbUpdateEvent.getAction()); + } + } else { + OmDirectoryInfo updatedDirectoryInfo = + new OmDirectoryInfo.Builder() + .setName(updatedKeyInfo.getKeyName()) + .setObjectID(updatedKeyInfo.getObjectID()) + .setParentObjectID(updatedKeyInfo.getParentObjectID()) + .build(); + + OmDirectoryInfo oldDirectoryInfo = null; + + if (oldKeyInfo != null) { + oldDirectoryInfo = + new OmDirectoryInfo.Builder() + .setName(oldKeyInfo.getKeyName()) + .setObjectID(oldKeyInfo.getObjectID()) + .setParentObjectID(oldKeyInfo.getParentObjectID()) + .build(); + } + + switch (action) { + case PUT: + handlePutDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + case DELETE: + handleDeleteDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + case UPDATE: + if (oldDirectoryInfo != null) { + // delete first, then put + handleDeleteDirEvent(oldDirectoryInfo, nsSummaryMap); + } else { + LOG.warn("Update event does not have the old dirInfo for {}.", + updatedKey); + } + handlePutDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + default: + LOG.debug("Skipping DB update event : {}", + omdbUpdateEvent.getAction()); + } + } + } catch (IOException ioEx) { + LOG.error("Unable to process Namespace Summary data in Recon DB. ", + ioEx); + return new ImmutablePair<>(getTaskName(), false); + } + } + + try { + writeNSSummariesToDB(nsSummaryMap); + } catch (IOException e) { + LOG.error("Unable to write Namespace Summary data in Recon DB.", e); + return new ImmutablePair<>(getTaskName(), false); + } + + LOG.info("Completed a process run of NSSummaryTaskWithLegacy"); + return new ImmutablePair<>(getTaskName(), true); + } + + @Override + public Pair<String, Boolean> reprocess(OMMetadataManager omMetadataManager) { + Map<Long, NSSummary> nsSummaryMap = new HashMap<>(); + + try { + Table<String, OmKeyInfo> keyTable = + omMetadataManager.getKeyTable(BUCKET_LAYOUT); + + try (TableIterator<String, ? extends Table.KeyValue<String, OmKeyInfo>> + keyTableIter = keyTable.iterator()) { + + while (keyTableIter.hasNext()) { + Table.KeyValue<String, OmKeyInfo> kv = keyTableIter.next(); + OmKeyInfo keyInfo = kv.getValue(); + + setKeyParentID(keyInfo); + + if (keyInfo.getKeyName().endsWith(OM_KEY_PREFIX)) { + OmDirectoryInfo directoryInfo = + new OmDirectoryInfo.Builder() + .setName(keyInfo.getKeyName()) + .setObjectID(keyInfo.getObjectID()) + .setParentObjectID(keyInfo.getParentObjectID()) + .build(); + handlePutDirEvent(directoryInfo, nsSummaryMap); + } else { + handlePutKeyEvent(keyInfo, nsSummaryMap); + } + } + } + } catch (IOException ioEx) { + LOG.error("Unable to reprocess Namespace Summary data in Recon DB. ", + ioEx); + return new ImmutablePair<>(getTaskName(), false); + } + + try { + writeNSSummariesToDB(nsSummaryMap); + } catch (IOException e) { + LOG.error("Unable to write Namespace Summary data in Recon DB.", e); + return new ImmutablePair<>(getTaskName(), false); + } + LOG.info("Completed a reprocess run of NSSummaryTaskWithLegacy"); + return new ImmutablePair<>(getTaskName(), true); + } + + private void setKeyParentID(OmKeyInfo keyInfo) throws IOException { + String[] keyPath = keyInfo.getKeyName().split(OM_KEY_PREFIX); + + //if (keyPath > 1) there is one or more directories + if (keyPath.length > 1) { + String[] dirs = Arrays.copyOf(keyPath, keyPath.length - 1); + String parentKeyName = String.join(OM_KEY_PREFIX, dirs); + parentKeyName += OM_KEY_PREFIX; + String fullParentKeyName = + reconOMMetadataManager.getOzoneKey(keyInfo.getVolumeName(), + keyInfo.getBucketName(), parentKeyName); + OmKeyInfo parentKeyInfo = reconOMMetadataManager + .getKeyTable(BUCKET_LAYOUT) + .get(fullParentKeyName); + + try { + keyInfo.setParentObjectID(parentKeyInfo.getObjectID()); + } catch (NullPointerException e) { Review Comment: why is the npe being swallowed? ########## hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/tasks/NSSummaryTaskWithLegacy.java: ########## @@ -0,0 +1,266 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.hadoop.ozone.recon.tasks; +import org.apache.commons.lang3.tuple.ImmutablePair; +import org.apache.commons.lang3.tuple.Pair; +import org.apache.hadoop.hdds.utils.db.Table; +import org.apache.hadoop.hdds.utils.db.TableIterator; +import org.apache.hadoop.ozone.om.OMMetadataManager; +import org.apache.hadoop.ozone.om.helpers.OmDirectoryInfo; +import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.BucketLayout; +import org.apache.hadoop.ozone.om.helpers.WithParentObjectId; +import org.apache.hadoop.ozone.recon.api.types.NSSummary; +import org.apache.hadoop.ozone.recon.recovery.ReconOMMetadataManager; +import org.apache.hadoop.ozone.recon.spi.ReconNamespaceSummaryManager; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.inject.Inject; +import java.io.IOException; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +import static org.apache.hadoop.ozone.OzoneConsts.OM_KEY_PREFIX; +import static org.apache.hadoop.ozone.om.OmMetadataManagerImpl.KEY_TABLE; + +/** + * Class for handling Legacy specific tasks. + */ +public class NSSummaryTaskWithLegacy extends NSSummaryTask { + + private static final BucketLayout BUCKET_LAYOUT = BucketLayout.LEGACY; + + private final ReconOMMetadataManager reconOMMetadataManager; + + private static final Logger LOG = + LoggerFactory.getLogger(NSSummaryTaskWithLegacy.class); + + @Inject + public NSSummaryTaskWithLegacy(ReconNamespaceSummaryManager + reconNamespaceSummaryManager, + ReconOMMetadataManager + reconOMMetadataManager) { + super(reconNamespaceSummaryManager); + this.reconOMMetadataManager = reconOMMetadataManager; + } + + @Override + public String getTaskName() { + return "NSSummaryTaskWithLegacy"; + } + + @Override + public Pair<String, Boolean> process(OMUpdateEventBatch events) { + Iterator<OMDBUpdateEvent> eventIterator = events.getIterator(); + Map<Long, NSSummary> nsSummaryMap = new HashMap<>(); + + while (eventIterator.hasNext()) { + OMDBUpdateEvent<String, ? extends + WithParentObjectId> omdbUpdateEvent = eventIterator.next(); + OMDBUpdateEvent.OMDBUpdateAction action = omdbUpdateEvent.getAction(); + + // we only process updates on OM's KeyTable + String table = omdbUpdateEvent.getTable(); + boolean updateOnKeyTable = table.equals(KEY_TABLE); + if (!updateOnKeyTable) { + continue; + } + + String updatedKey = omdbUpdateEvent.getKey(); + + try { + OMDBUpdateEvent<String, OmKeyInfo> keyTableUpdateEvent = + (OMDBUpdateEvent<String, OmKeyInfo>) omdbUpdateEvent; + OmKeyInfo updatedKeyInfo = keyTableUpdateEvent.getValue(); + OmKeyInfo oldKeyInfo = keyTableUpdateEvent.getOldValue(); + + setKeyParentID(updatedKeyInfo); + + if (!updatedKeyInfo.getKeyName().endsWith(OM_KEY_PREFIX)) { + switch (action) { + case PUT: + handlePutKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + case DELETE: + handleDeleteKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + case UPDATE: + if (oldKeyInfo != null) { + // delete first, then put + setKeyParentID(oldKeyInfo); + handleDeleteKeyEvent(oldKeyInfo, nsSummaryMap); + } else { + LOG.warn("Update event does not have the old keyInfo for {}.", + updatedKey); + } + handlePutKeyEvent(updatedKeyInfo, nsSummaryMap); + break; + + default: + LOG.debug("Skipping DB update event : {}", + omdbUpdateEvent.getAction()); + } + } else { + OmDirectoryInfo updatedDirectoryInfo = + new OmDirectoryInfo.Builder() + .setName(updatedKeyInfo.getKeyName()) + .setObjectID(updatedKeyInfo.getObjectID()) + .setParentObjectID(updatedKeyInfo.getParentObjectID()) + .build(); + + OmDirectoryInfo oldDirectoryInfo = null; + + if (oldKeyInfo != null) { + oldDirectoryInfo = + new OmDirectoryInfo.Builder() + .setName(oldKeyInfo.getKeyName()) + .setObjectID(oldKeyInfo.getObjectID()) + .setParentObjectID(oldKeyInfo.getParentObjectID()) + .build(); + } + + switch (action) { + case PUT: + handlePutDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + case DELETE: + handleDeleteDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + case UPDATE: + if (oldDirectoryInfo != null) { + // delete first, then put + handleDeleteDirEvent(oldDirectoryInfo, nsSummaryMap); + } else { + LOG.warn("Update event does not have the old dirInfo for {}.", + updatedKey); + } + handlePutDirEvent(updatedDirectoryInfo, nsSummaryMap); + break; + + default: + LOG.debug("Skipping DB update event : {}", + omdbUpdateEvent.getAction()); + } + } + } catch (IOException ioEx) { + LOG.error("Unable to process Namespace Summary data in Recon DB. ", + ioEx); + return new ImmutablePair<>(getTaskName(), false); + } + } + + try { + writeNSSummariesToDB(nsSummaryMap); + } catch (IOException e) { + LOG.error("Unable to write Namespace Summary data in Recon DB.", e); + return new ImmutablePair<>(getTaskName(), false); + } + + LOG.info("Completed a process run of NSSummaryTaskWithLegacy"); + return new ImmutablePair<>(getTaskName(), true); + } + + @Override + public Pair<String, Boolean> reprocess(OMMetadataManager omMetadataManager) { + Map<Long, NSSummary> nsSummaryMap = new HashMap<>(); + + try { + Table<String, OmKeyInfo> keyTable = + omMetadataManager.getKeyTable(BUCKET_LAYOUT); + + try (TableIterator<String, ? extends Table.KeyValue<String, OmKeyInfo>> + keyTableIter = keyTable.iterator()) { + + while (keyTableIter.hasNext()) { + Table.KeyValue<String, OmKeyInfo> kv = keyTableIter.next(); + OmKeyInfo keyInfo = kv.getValue(); + + setKeyParentID(keyInfo); + + if (keyInfo.getKeyName().endsWith(OM_KEY_PREFIX)) { + OmDirectoryInfo directoryInfo = + new OmDirectoryInfo.Builder() + .setName(keyInfo.getKeyName()) + .setObjectID(keyInfo.getObjectID()) + .setParentObjectID(keyInfo.getParentObjectID()) + .build(); + handlePutDirEvent(directoryInfo, nsSummaryMap); + } else { + handlePutKeyEvent(keyInfo, nsSummaryMap); + } + } + } + } catch (IOException ioEx) { + LOG.error("Unable to reprocess Namespace Summary data in Recon DB. ", + ioEx); + return new ImmutablePair<>(getTaskName(), false); + } + + try { + writeNSSummariesToDB(nsSummaryMap); + } catch (IOException e) { + LOG.error("Unable to write Namespace Summary data in Recon DB.", e); + return new ImmutablePair<>(getTaskName(), false); + } + LOG.info("Completed a reprocess run of NSSummaryTaskWithLegacy"); + return new ImmutablePair<>(getTaskName(), true); + } + + private void setKeyParentID(OmKeyInfo keyInfo) throws IOException { + String[] keyPath = keyInfo.getKeyName().split(OM_KEY_PREFIX); + + //if (keyPath > 1) there is one or more directories + if (keyPath.length > 1) { + String[] dirs = Arrays.copyOf(keyPath, keyPath.length - 1); + String parentKeyName = String.join(OM_KEY_PREFIX, dirs); + parentKeyName += OM_KEY_PREFIX; + String fullParentKeyName = + reconOMMetadataManager.getOzoneKey(keyInfo.getVolumeName(), + keyInfo.getBucketName(), parentKeyName); + OmKeyInfo parentKeyInfo = reconOMMetadataManager + .getKeyTable(BUCKET_LAYOUT) + .get(fullParentKeyName); + + try { + keyInfo.setParentObjectID(parentKeyInfo.getObjectID()); + } catch (NullPointerException e) { + LOG.error("ParentKeyInfo for NSSummaryTaskWithLegacy is null", e); + } + } else { + String bucketKey = reconOMMetadataManager + .getBucketKey(keyInfo.getVolumeName(), keyInfo.getBucketName()); + OmBucketInfo parentBucketInfo = + reconOMMetadataManager.getBucketTable().get(bucketKey); + + try { + keyInfo.setParentObjectID(parentBucketInfo.getObjectID()); + } catch (NullPointerException e) { Review Comment: why is the npe being swallowed? -- This is an automated message from the Apache Git Service. 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