cassandra/test/unit/org/apache/cassandra/schema/MockSchema.java

527 lines
23 KiB
Java

/*
* 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.schema;
import java.io.IOException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.Function;
import java.util.function.Supplier;
import javax.annotation.Nullable;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableSet;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.cassandra.Util;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.BufferDecoratedKey;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.DeletionTime;
import org.apache.cassandra.db.Directories;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.db.SerializationHeader;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.db.memtable.Memtable;
import org.apache.cassandra.db.memtable.SkipListMemtable;
import org.apache.cassandra.dht.Murmur3Partitioner;
import org.apache.cassandra.io.sstable.Component;
import org.apache.cassandra.io.sstable.Descriptor;
import org.apache.cassandra.io.sstable.SSTableId;
import org.apache.cassandra.io.sstable.format.SSTableFormat;
import org.apache.cassandra.io.sstable.format.SSTableReader;
import org.apache.cassandra.io.sstable.format.big.BigFormat;
import org.apache.cassandra.io.sstable.format.big.BigFormat.Components;
import org.apache.cassandra.io.sstable.format.big.BigTableReader;
import org.apache.cassandra.io.sstable.format.bti.BtiFormat;
import org.apache.cassandra.io.sstable.format.bti.BtiTableReader;
import org.apache.cassandra.io.sstable.format.bti.PartitionIndex;
import org.apache.cassandra.io.sstable.indexsummary.IndexSummary;
import org.apache.cassandra.io.sstable.keycache.KeyCache;
import org.apache.cassandra.io.sstable.metadata.MetadataCollector;
import org.apache.cassandra.io.sstable.metadata.MetadataType;
import org.apache.cassandra.io.sstable.metadata.StatsMetadata;
import org.apache.cassandra.io.util.DataOutputStreamPlus;
import org.apache.cassandra.io.util.File;
import org.apache.cassandra.io.util.FileHandle;
import org.apache.cassandra.io.util.FileUtils;
import org.apache.cassandra.io.util.Memory;
import org.apache.cassandra.service.CacheService;
import org.apache.cassandra.tcm.ClusterMetadata;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FilterFactory;
import org.apache.cassandra.utils.Throwables;
import static org.apache.cassandra.service.ActiveRepairService.UNREPAIRED_SSTABLE;
public class MockSchema
{
public static Supplier<? extends SSTableId> sstableIdGenerator = Util.newSeqGen();
public static final ConcurrentMap<Integer, SSTableId> sstableIds = new ConcurrentHashMap<>();
public static SSTableId sstableId(int idx)
{
return sstableIds.computeIfAbsent(idx, ignored -> sstableIdGenerator.get());
}
private static final File tempFile = temp("mocksegmentedfile");
static
{
Memory offsets = Memory.allocate(4);
offsets.setInt(0, 0);
indexSummary = new IndexSummary(Murmur3Partitioner.instance, offsets, 0, Memory.allocate(4), 0, 0, 0, 1);
try (DataOutputStreamPlus out = tempFile.newOutputStream(File.WriteMode.OVERWRITE))
{
out.write(new byte[10]);
}
catch (IOException ex)
{
throw Throwables.throwAsUncheckedException(ex);
}
Schema.instance = new MockSchemaProvider();
if (DatabaseDescriptor.isDaemonInitialized() || DatabaseDescriptor.isToolInitialized())
DatabaseDescriptor.createAllDirectories();
}
private static final AtomicInteger id = new AtomicInteger();
private static final String ksname = "mockks";
private static KeyspaceMetadata mockKS = KeyspaceMetadata.create(ksname, KeyspaceParams.simpleTransient(1));
public static final IndexSummary indexSummary;
public static Memtable memtable(ColumnFamilyStore cfs)
{
return SkipListMemtable.FACTORY.create(null, cfs.metadata, cfs);
}
public static SSTableReader sstable(int generation, ColumnFamilyStore cfs)
{
return sstable(generation, false, cfs);
}
public static SSTableReader sstable(int generation, long first, long last, ColumnFamilyStore cfs)
{
return sstable(generation, 0, false, first, last, cfs);
}
public static SSTableReader sstable(int generation, long first, long last, int minLocalDeletionTime, ColumnFamilyStore cfs)
{
return sstable(generation, 0, false, first, last, 0, cfs, minLocalDeletionTime);
}
public static SSTableReader sstable(int generation, boolean keepRef, ColumnFamilyStore cfs)
{
return sstable(generation, 0, keepRef, cfs);
}
public static SSTableReader sstable(int generation, int size, ColumnFamilyStore cfs)
{
return sstable(generation, size, false, cfs);
}
public static SSTableReader sstable(int generation, int size, boolean keepRef, ColumnFamilyStore cfs)
{
return sstable(generation, size, keepRef, generation, generation, cfs);
}
public static SSTableReader sstableWithLevel(int generation, long firstToken, long lastToken, int level, ColumnFamilyStore cfs)
{
return sstable(generation, 0, false, firstToken, lastToken, level, cfs);
}
public static SSTableReader sstableWithLevel(int generation, int size, int level, ColumnFamilyStore cfs)
{
return sstable(generation, size, false, generation, generation, level, cfs);
}
public static SSTableReader sstableWithTimestamp(int generation, long timestamp, ColumnFamilyStore cfs)
{
return sstable(generation, 0, false, 0, 1000, 0, cfs, Integer.MAX_VALUE, timestamp);
}
public static SSTableReader sstable(int generation, int size, boolean keepRef, long firstToken, long lastToken, int level, ColumnFamilyStore cfs)
{
return sstable(generation, size, keepRef, firstToken, lastToken, level, cfs, Integer.MAX_VALUE);
}
public static SSTableReader sstable(int generation, int size, boolean keepRef, long firstToken, long lastToken, ColumnFamilyStore cfs)
{
return sstable(generation, size, keepRef, firstToken, lastToken, 0, cfs);
}
public static SSTableReader sstable(int generation, int size, boolean keepRef, long firstToken, long lastToken, int level, ColumnFamilyStore cfs, int minLocalDeletionTime)
{
return sstable(generation, size, keepRef, firstToken, lastToken, level, cfs, minLocalDeletionTime, System.currentTimeMillis() * 1000);
}
public static SSTableReader sstable(int generation, int size, boolean keepRef, long firstToken, long lastToken, int level, ColumnFamilyStore cfs, int minLocalDeletionTime, long timestamp)
{
SSTableFormat<?, ?> format = DatabaseDescriptor.getSelectedSSTableFormat();
Descriptor descriptor = new Descriptor(cfs.getDirectories().getDirectoryForNewSSTables(),
cfs.getKeyspaceName(),
cfs.getTableName(),
sstableId(generation),
format);
if (BigFormat.is(format))
{
Set<Component> components = ImmutableSet.of(Components.DATA, Components.PRIMARY_INDEX, Components.FILTER, Components.TOC);
for (Component component : components)
{
File file = descriptor.fileFor(component);
file.createFileIfNotExists();
}
// .complete() with size to make sstable.onDiskLength work
try (FileHandle fileHandle = new FileHandle.Builder(tempFile).bufferSize(size).withLengthOverride(size).complete())
{
maybeSetDataLength(descriptor, size);
SerializationHeader header = SerializationHeader.make(cfs.metadata(), Collections.emptyList());
MetadataCollector collector = new MetadataCollector(cfs.metadata().comparator);
collector.update(DeletionTime.build(timestamp, minLocalDeletionTime));
BufferDecoratedKey first = readerBounds(firstToken);
BufferDecoratedKey last = readerBounds(lastToken);
StatsMetadata metadata =
(StatsMetadata) collector.sstableLevel(level)
.finalizeMetadata(cfs.metadata().partitioner.getClass().getCanonicalName(),
0.01f,
UNREPAIRED_SSTABLE,
null,
false,
header,
first.retainable().getKey().slice(),
last.retainable().getKey().slice())
.get(MetadataType.STATS);
BigTableReader reader = new BigTableReader.Builder(descriptor).setComponents(components)
.setTableMetadataRef(cfs.metadata)
.setDataFile(fileHandle.sharedCopy())
.setIndexFile(fileHandle.sharedCopy())
.setIndexSummary(indexSummary.sharedCopy())
.setFilter(FilterFactory.AlwaysPresent)
.setMaxDataAge(1L)
.setStatsMetadata(metadata)
.setOpenReason(SSTableReader.OpenReason.NORMAL)
.setSerializationHeader(header)
.setFirst(first)
.setLast(last)
.setKeyCache(cfs.metadata().params.caching.cacheKeys ? new KeyCache(CacheService.instance.keyCache)
: KeyCache.NO_CACHE)
.build(cfs, false, false);
if (!keepRef)
reader.selfRef().release();
return reader;
}
}
else if (BtiFormat.is(format))
{
Set<Component> components = ImmutableSet.of(Components.DATA, BtiFormat.Components.PARTITION_INDEX, BtiFormat.Components.ROW_INDEX, Components.FILTER, Components.TOC);
for (Component component : components)
{
File file = descriptor.fileFor(component);
file.createFileIfNotExists();
}
// .complete() with size to make sstable.onDiskLength work
try (FileHandle fileHandle = new FileHandle.Builder(tempFile).bufferSize(size).withLengthOverride(size).complete())
{
maybeSetDataLength(descriptor, size);
SerializationHeader header = SerializationHeader.make(cfs.metadata(), Collections.emptyList());
MetadataCollector collector = new MetadataCollector(cfs.metadata().comparator);
collector.update(DeletionTime.build(timestamp, minLocalDeletionTime));
BufferDecoratedKey first = readerBounds(firstToken);
BufferDecoratedKey last = readerBounds(lastToken);
StatsMetadata metadata = (StatsMetadata) collector.sstableLevel(level)
.finalizeMetadata(cfs.metadata().partitioner.getClass().getCanonicalName(), 0.01f, UNREPAIRED_SSTABLE, null, false, header, first.retainable().getKey(), last.retainable().getKey())
.get(MetadataType.STATS);
BtiTableReader reader = new BtiTableReader.Builder(descriptor).setComponents(components)
.setTableMetadataRef(cfs.metadata)
.setDataFile(fileHandle.sharedCopy())
.setPartitionIndex(new PartitionIndex(fileHandle.sharedCopy(), 0, 0, readerBounds(firstToken), readerBounds(lastToken)))
.setRowIndexFile(fileHandle.sharedCopy())
.setFilter(FilterFactory.AlwaysPresent)
.setMaxDataAge(1L)
.setStatsMetadata(metadata)
.setOpenReason(SSTableReader.OpenReason.NORMAL)
.setSerializationHeader(header)
.setFirst(readerBounds(firstToken))
.setLast(readerBounds(lastToken))
.build(cfs, false, false);
if (!keepRef)
reader.selfRef().release();
return reader;
}
}
else
{
throw Util.testMustBeImplementedForSSTableFormat();
}
}
private static void maybeSetDataLength(Descriptor descriptor, long size)
{
if (size > 0)
{
try
{
File file = descriptor.fileFor(Components.DATA);
Util.setFileLength(file, size);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
}
public static ColumnFamilyStore newCFS()
{
return newCFS(ksname);
}
public static ColumnFamilyStore newCFS(String ksname)
{
return newCFS(newTableMetadata(ksname));
}
public static ColumnFamilyStore newCFS(Function<TableMetadata.Builder, TableMetadata.Builder> options)
{
return newCFS(ksname, options);
}
public static ColumnFamilyStore newCFS(String ksname, Function<TableMetadata.Builder, TableMetadata.Builder> options)
{
return newCFS(options.apply(newTableMetadataBuilder(ksname)).build());
}
public static ColumnFamilyStore newCFS(TableMetadata metadata)
{
Tables tables = mockKS.tables.getNullable(metadata.name) == null
? mockKS.tables.with(metadata)
: mockKS.tables.withSwapped(metadata);
mockKS = mockKS.withSwapped(tables);
// Use Schema.instance to get or create the keyspace instance to avoid creating duplicate metrics
Keyspace keyspace = Schema.instance.getKeyspaceInstance(metadata.keyspace);
if (keyspace == null)
keyspace = new Keyspace(mockKS);
return new ColumnFamilyStore(keyspace, metadata.name, Util.newSeqGen(), metadata, new Directories(metadata), false, false);
}
private static TableMetadata newTableMetadata(String ksname)
{
return newTableMetadata(ksname, "mockcf" + (id.incrementAndGet()));
}
public static TableMetadata newTableMetadata(String ksname, String cfname)
{
return newTableMetadataBuilder(ksname, cfname).build();
}
public static TableMetadata.Builder newTableMetadataBuilder(String ksname)
{
return newTableMetadataBuilder(ksname, "mockcf" + (id.incrementAndGet()));
}
public static TableMetadata.Builder newTableMetadataBuilder(String ksname, String cfname)
{
return TableMetadata.builder(ksname, cfname)
.partitioner(Murmur3Partitioner.instance)
.addPartitionKeyColumn("key", UTF8Type.instance)
.addClusteringColumn("col", UTF8Type.instance)
.addRegularColumn("value", UTF8Type.instance)
.caching(CachingParams.CACHE_NOTHING);
}
public static BufferDecoratedKey readerBounds(long generation)
{
return new BufferDecoratedKey(new Murmur3Partitioner.LongToken(generation), ByteBufferUtil.EMPTY_BYTE_BUFFER);
}
private static File temp(String id)
{
File file = FileUtils.createTempFile(id, "tmp");
file.deleteOnExit();
return file;
}
public static void cleanup()
{
// clean up data directory which are stored as data directory/keyspace/data files
for (String dirName : DatabaseDescriptor.getAllDataFileLocations())
{
File dir = new File(dirName);
if (!dir.exists())
continue;
String[] children = dir.tryListNames();
for (String child : children)
FileUtils.deleteRecursive(new File(dir, child));
}
}
public static class MockSchemaProvider implements SchemaProvider
{
private final SchemaProvider originalSchemaProvider = Schema.instance;
private volatile Keyspace mockKeyspaceInstance;
@Override
public Set<String> getKeyspaces()
{
Set<String> kss = new HashSet<>(originalSchemaProvider.getKeyspaces());
kss.add(ksname);
return kss;
}
@Override
public int getNumberOfTables()
{
return originalSchemaProvider.getNumberOfTables() + mockKS.tables.size();
}
@Override
public ClusterMetadata submit(SchemaTransformation transformation)
{
return originalSchemaProvider.submit(transformation);
}
@Override
public Keyspaces localKeyspaces()
{
return originalSchemaProvider.localKeyspaces();
}
@Override
public Keyspaces distributedKeyspaces()
{
return originalSchemaProvider.distributedKeyspaces().with(mockKS);
}
@Override
public Keyspaces distributedAndLocalKeyspaces()
{
return Keyspaces.NONE.with(localKeyspaces()).with(distributedKeyspaces());
}
@Override
public Keyspaces getUserKeyspaces()
{
return distributedKeyspaces().without(SchemaConstants.REPLICATED_SYSTEM_KEYSPACE_NAMES);
}
@Override
public void registerListener(SchemaChangeListener listener)
{
originalSchemaProvider.registerListener(listener);
}
@Override
public void unregisterListener(SchemaChangeListener listener)
{
originalSchemaProvider.unregisterListener(listener);
}
public SchemaChangeNotifier schemaChangeNotifier()
{
return originalSchemaProvider.schemaChangeNotifier();
}
@Override
public Optional<TableMetadata> getIndexMetadata(String keyspace, String index)
{
return originalSchemaProvider.getIndexMetadata(keyspace, index);
}
@Override
public Iterable<TableMetadata> getTablesAndViews(String keyspaceName)
{
Preconditions.checkNotNull(keyspaceName);
KeyspaceMetadata ksm = ObjectUtils.getFirstNonNull(() -> distributedKeyspaces().getNullable(keyspaceName),
() -> localKeyspaces().getNullable(keyspaceName));
Preconditions.checkNotNull(ksm, "Keyspace %s not found", keyspaceName);
return ksm.tablesAndViews();
}
@Nullable
@Override
public Keyspace getKeyspaceInstance(String keyspaceName)
{
if (isMockKS(keyspaceName))
{
// Cache the keyspace instance to avoid creating duplicate metrics
if (mockKeyspaceInstance == null)
{
synchronized (this)
{
if (mockKeyspaceInstance == null)
mockKeyspaceInstance = new Keyspace(mockKS);
}
}
return mockKeyspaceInstance;
}
return originalSchemaProvider.getKeyspaceInstance(keyspaceName);
}
@Nullable
@Override
public KeyspaceMetadata getKeyspaceMetadata(String keyspaceName)
{
if (isMockKS(keyspaceName))
return mockKS;
return originalSchemaProvider.getKeyspaceMetadata(keyspaceName);
}
@Nullable
@Override
public TableMetadata getTableMetadata(TableId id)
{
if (mockKS.tables.containsTable(id))
return mockKS.tables.getNullable(id);
return originalSchemaProvider.getTableMetadata(id);
}
@Nullable
@Override
public TableMetadata getTableMetadata(String keyspace, String table)
{
if (isMockKS(keyspace) || mockKS.tables.stream().anyMatch(tm -> tm.name.equals(table)))
return mockKS.tables.getNullable(table);
return originalSchemaProvider.getTableMetadata(keyspace, table);
}
@Override
public void saveSystemKeyspace()
{
originalSchemaProvider.saveSystemKeyspace();
}
private boolean isMockKS(String keyspaceName)
{
return keyspaceName.equals(ksname)|| keyspaceName.equals(mockKS.name) || mockKS.tables.stream().anyMatch(tm -> tm.keyspace.equals(keyspaceName));
}
}
}