Create / update tests to ensure commit logs and hints for all version…

…s in MessagingService are ingestible by 5.0

Patches for 3.0, 3.11, 4.0 and 4.1 are just adding HintsMaker class to generate hint files.
Patches for 5.0 and trunk are adding tests for commit log upgrading and hints which were generated by HintsMaker.

Patches for 5.0 and trunk are also adding version 1 in HintsDescriptor back as it was removed in CASSANDRA-18314 by mistake.

patch by Stefan Miklosovic; reviewed by Michael Semb Wever for CASSANDRA-19002

test/unit/org/apache/cassandra/hints/HintsMaker.java

@@ -0,0 +1,246 @@
+/*
+ * 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.cassandra.hints;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.nio.file.Files;
+import java.util.Iterator;
+import java.util.Properties;
+import java.util.UUID;
+import java.util.concurrent.ThreadLocalRandom;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
+import java.util.stream.Stream;
+
+import io.airlift.command.Cli;
+import io.airlift.command.Command;
+import io.airlift.command.Option;
+import org.apache.cassandra.SchemaLoader;
+import org.apache.cassandra.UpdateBuilder;
+import org.apache.cassandra.Util;
+import org.apache.cassandra.config.CFMetaData;
+import org.apache.cassandra.config.DatabaseDescriptor;
+import org.apache.cassandra.config.Schema;
+import org.apache.cassandra.db.Mutation;
+import org.apache.cassandra.io.FSWriteError;
+import org.apache.cassandra.io.util.FileUtils;
+import org.apache.cassandra.utils.FBUtilities;
+
+public class HintsMaker
+{
+    public static void main(String[] args)
+    {
+        System.exit(new HintsMaker().execute(args));
+    }
+
+    public int execute(String[] args)
+    {
+        Cli.CliBuilder<Runnable> builder = Cli.<Runnable>builder("hintsmaker")
+                                              .withCommands(MakeHint.class)
+                                              .withDefaultCommand(MakeHint.class);
+
+        try
+        {
+            builder.build().parse(args).run();
+            return 0;
+        }
+        catch (Throwable t)
+        {
+            t.printStackTrace(System.err);
+        }
+
+        return 1;
+    }
+
+    @Command(name = "make", description = "make file of hints")
+    public static class MakeHint implements Runnable
+    {
+        private static final String KEYSPACE = "Keyspace1";
+        private static final String TABLE = "Standard1";
+        private static final String CELLNAME = "name";
+
+        private static final String DATA_DIR = "test/data/legacy-hints/";
+        private static final String PROPERTIES_FILE = "hash.txt";
+        private static final String HOST_ID_PROPERTY = "hostId";
+        private static final String CFID_PROPERTY = "cfid";
+        private static final String CELLS_PROPERTY = "cells";
+        private static final String DESCRIPTOR_TIMESTAMP_PROPERTY = "descriptorTimestamp";
+        private static final String HASH_PROPERTY = "hash";
+
+        private static ByteBuffer dataSource;
+
+        @Option(name = "dir")
+        private String dir = DATA_DIR;
+
+        @Option(name = HOST_ID_PROPERTY)
+        private UUID hostId = UUID.randomUUID();
+
+        @Option(name = "maxLength") // 1MB by default
+        private long maxLength = 1024 * 1024;
+
+        @Option(name = "randomSize")
+        private boolean randomSize;
+
+        @Option(name = "cellSize")
+        private int cellSize = 256;
+
+        @Option(name = "numCells")
+        private int numCells = 1;
+
+        @Option(name = DESCRIPTOR_TIMESTAMP_PROPERTY)
+        private long descriptorTimestamp = System.currentTimeMillis();
+
+        public void run()
+        {
+            try
+            {
+                initialize();
+
+                maxLength = maxLength == 0 ? DatabaseDescriptor.getMaxHintsFileSize() : maxLength;
+                File dataDir = new File(dir + FBUtilities.getReleaseVersionString());
+
+                Files.createDirectories(dataDir.toPath());
+
+                System.out.printf("Going to generate hints file into directory %s with max length %s, host id %s and " +
+                                  "hints descriptor timestamp %s", dataDir, maxLength, hostId, descriptorTimestamp);
+
+                HintsDescriptor hintsDescriptor = new HintsDescriptor(hostId, descriptorTimestamp);
+
+                final CFMetaData cfMetaData = Schema.instance.getCFMetaData(KEYSPACE, TABLE);
+
+                final AtomicLong counter = new AtomicLong(0);
+                final AtomicInteger hash = new AtomicInteger(0);
+                final AtomicInteger cells = new AtomicInteger(0);
+                final int numCells = this.numCells;
+                final AtomicInteger dataSize = new AtomicInteger(0);
+
+                Iterator<Mutation> mutationIterator = Stream.generate(() -> {
+                    ThreadLocalRandom current = ThreadLocalRandom.current();
+                    ByteBuffer key = randomBytes(16, current);
+                    UpdateBuilder builder = UpdateBuilder.create(cfMetaData, Util.dk(key));
+
+                    for (int i = 0; i < numCells; i++)
+                    {
+                        int sz = randomSize ? current.nextInt(cellSize) : cellSize;
+                        ByteBuffer bytes = randomBytes(sz, current);
+                        builder.newRow(CELLNAME + i).add("val", bytes);
+                        hash.set(hash(hash.get(), bytes));
+                        cells.incrementAndGet();
+                        dataSize.addAndGet(sz);
+                    }
+
+                    counter.incrementAndGet();
+
+                    return (Mutation) builder.makeMutation();
+                }).iterator();
+
+                makeHintFile(dataDir, hintsDescriptor, mutationIterator);
+
+                Properties prop = new Properties();
+                prop.setProperty(HOST_ID_PROPERTY, hostId.toString());
+                prop.setProperty(DESCRIPTOR_TIMESTAMP_PROPERTY, Long.toString(descriptorTimestamp));
+                prop.setProperty(CFID_PROPERTY, Schema.instance.getId(KEYSPACE, TABLE).toString());
+                prop.setProperty(CELLS_PROPERTY, Integer.toString(cells.get()));
+                prop.setProperty(HASH_PROPERTY, Integer.toString(hash.get()));
+                prop.store(new FileOutputStream(new File(dataDir, PROPERTIES_FILE)),
+                           "Hints, version " + FBUtilities.getReleaseVersionString());
+
+                System.out.println("Done");
+            }
+            catch (Throwable t)
+            {
+                throw new RuntimeException(t);
+            }
+        }
+
+        private void makeHintFile(File dir,
+                                  HintsDescriptor descriptor,
+                                  Iterator<Mutation> mutationIterator)
+        {
+            ByteBuffer buffer = ByteBuffer.allocateDirect(256 * 1024);
+
+            try (HintsWriter writer = HintsWriter.create(dir, descriptor))
+            {
+                try (HintsWriter.Session session = writer.newSession(buffer))
+                {
+                    while (session.position() < maxLength && mutationIterator.hasNext())
+                    {
+                        Hint hint = Hint.create(mutationIterator.next(), System.currentTimeMillis());
+                        session.append(hint);
+                    }
+
+                    System.out.println("Generating finished");
+                }
+            }
+            catch (IOException ex)
+            {
+                throw new FSWriteError(ex, descriptor.fileName());
+            }
+            finally
+            {
+                FileUtils.clean(buffer);
+            }
+        }
+
+        private static int hash(int hash, ByteBuffer bytes)
+        {
+            int shift = 0;
+            for (int i = 0; i < bytes.limit(); i++)
+            {
+                hash += (bytes.get(i) & 0xFF) << shift;
+                shift = (shift + 8) & 0x1F;
+            }
+            return hash;
+        }
+
+        private void initialize() throws Exception
+        {
+            try (FileInputStream fis = new FileInputStream("CHANGES.txt");
+                 FileChannel fileChannel = fis.getChannel())
+            {
+                dataSource = ByteBuffer.allocateDirect((int) fileChannel.size());
+                while (dataSource.hasRemaining())
+                {
+                    fileChannel.read(dataSource);
+                }
+                dataSource.flip();
+            }
+
+            SchemaLoader.prepareServer();
+            SchemaLoader.loadSchema();
+            SchemaLoader.schemaDefinition("");
+        }
+
+        private static ByteBuffer randomBytes(int quantity, ThreadLocalRandom tlr)
+        {
+            ByteBuffer slice = ByteBuffer.allocate(quantity);
+            ByteBuffer source = dataSource.duplicate();
+            source.position(tlr.nextInt(source.capacity() - quantity));
+            source.limit(source.position() + quantity);
+            slice.put(source);
+            slice.flip();
+            return slice;
+        }
+    }
+}