| /* |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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.jackrabbit.oak.upgrade.cli.blob; |
| |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import javax.jcr.RepositoryException; |
| |
| import com.google.common.collect.Maps; |
| import org.apache.commons.io.IOUtils; |
| import org.apache.jackrabbit.core.data.DataStoreException; |
| import org.apache.jackrabbit.oak.blob.cloud.s3.S3DataStore; |
| import org.apache.jackrabbit.oak.commons.PropertiesUtil; |
| import org.apache.jackrabbit.oak.plugins.blob.datastore.DataStoreBlobStore; |
| import org.apache.jackrabbit.oak.spi.blob.BlobStore; |
| |
| import com.google.common.io.Closer; |
| import com.google.common.io.Files; |
| import org.apache.jackrabbit.oak.stats.DefaultStatisticsProvider; |
| import org.apache.jackrabbit.oak.stats.StatisticsProvider; |
| |
| public class S3DataStoreFactory implements BlobStoreFactory { |
| |
| private static final Pattern STRIP_VALUE_PATTERN = Pattern.compile("^[TILFDXSCB]?\"(.*)\"\\W*$"); |
| |
| private final Properties props; |
| |
| private final String directory; |
| |
| private final File tempHomeDir; |
| |
| private final boolean ignoreMissingBlobs; |
| |
| public S3DataStoreFactory(String configuration, String directory, boolean ignoreMissingBlobs) throws IOException { |
| this.props = new Properties(); |
| FileReader reader = new FileReader(new File(configuration)); |
| try { |
| props.load(reader); |
| } finally { |
| IOUtils.closeQuietly(reader); |
| } |
| |
| this.directory = directory; |
| this.tempHomeDir = Files.createTempDir(); |
| this.ignoreMissingBlobs = ignoreMissingBlobs; |
| } |
| |
| @Override |
| public BlobStore create(Closer closer) throws IOException { |
| S3DataStore delegate = createDS(directory, props); |
| // Initialize a default stats provider |
| final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(); |
| StatisticsProvider statsProvider = new DefaultStatisticsProvider(executor); |
| delegate.setStatisticsProvider(statsProvider); |
| // Reduce staging purge interval to 60 seconds |
| delegate.setStagingPurgeInterval(60); |
| |
| try { |
| delegate.init(tempHomeDir.getPath()); |
| } catch (RepositoryException e) { |
| throw new IOException(e); |
| } |
| closer.register(asCloseable(delegate)); |
| closer.register(new Closeable() { |
| @Override |
| public void close() throws IOException { |
| executor.shutdown(); |
| try { |
| if (!executor.awaitTermination(30, TimeUnit.SECONDS)) { |
| throw new IOException("Can't shut down the executor"); |
| } |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } |
| } |
| }); |
| if (ignoreMissingBlobs) { |
| return new SafeDataStoreBlobStore(delegate); |
| } else { |
| return new DataStoreBlobStore(delegate); |
| } |
| } |
| |
| static S3DataStore createDS(String directory, Properties props) { |
| Properties strippedProperties = new Properties(); |
| Map<String, String> map = Maps.newHashMap(); |
| |
| for (Object key : new HashSet<>(props.keySet())) { |
| String strippedValue = stripValue(props.getProperty((String) key)); |
| |
| strippedProperties.put(key, strippedValue); |
| map.put((String) key, strippedValue); |
| } |
| |
| S3DataStore ds = new S3DataStore(); |
| ds.setProperties(strippedProperties); |
| ds.setPath(directory); |
| PropertiesUtil.populate(ds, map, false); |
| return ds; |
| } |
| |
| private static Closeable asCloseable(final S3DataStore store) { |
| return new Closeable() { |
| @Override |
| public void close() throws IOException { |
| try { |
| while (store.getStats().get(1).getElementCount() > 0) { |
| Thread.sleep(100); |
| } |
| } catch (InterruptedException e) { |
| throw new IOException(e); |
| } finally { |
| try { |
| store.close(); |
| } catch (DataStoreException e) { |
| throw new IOException(e); |
| } |
| } |
| } |
| }; |
| } |
| |
| static String stripValue(String value) { |
| Matcher matcher = STRIP_VALUE_PATTERN.matcher(value); |
| if (matcher.matches()) { |
| return matcher.group(1); |
| } else { |
| return value; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("S3DataStore[%s]", directory); |
| } |
| } |