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* 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.service;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.*;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.SchemaConstants;
import org.apache.cassandra.db.*;
import org.apache.cassandra.exceptions.StartupException;
import org.apache.cassandra.io.util.FileUtils;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class StartupChecksTest
{
public static final String INVALID_LEGACY_SSTABLE_ROOT_PROP = "invalid-legacy-sstable-root";
StartupChecks startupChecks;
Path sstableDir;
@BeforeClass
public static void setupServer()
{
SchemaLoader.prepareServer();
}
@Before
public void setup() throws IOException
{
for (ColumnFamilyStore cfs : Keyspace.open(SchemaConstants.SYSTEM_KEYSPACE_NAME).getColumnFamilyStores())
cfs.clearUnsafe();
for (File dataDir : Directories.getKSChildDirectories(SchemaConstants.SYSTEM_KEYSPACE_NAME))
FileUtils.deleteRecursive(dataDir);
File dataDir = new File(DatabaseDescriptor.getAllDataFileLocations()[0]);
sstableDir = Paths.get(dataDir.getAbsolutePath(), "Keyspace1", "Standard1");
Files.createDirectories(sstableDir);
startupChecks = new StartupChecks();
}
@After
public void tearDown() throws IOException
{
FileUtils.deleteRecursive(sstableDir.toFile());
}
@Test
public void failStartupIfInvalidSSTablesFound() throws Exception
{
startupChecks = startupChecks.withTest(StartupChecks.checkSSTablesFormat);
copyInvalidLegacySSTables(sstableDir);
verifyFailure(startupChecks, "Detected unreadable sstables");
// we should ignore invalid sstables in a snapshots directory
FileUtils.deleteRecursive(sstableDir.toFile());
Path snapshotDir = sstableDir.resolve("snapshots");
Files.createDirectories(snapshotDir);
copyInvalidLegacySSTables(snapshotDir); startupChecks.verify();
// and in a backups directory
FileUtils.deleteRecursive(sstableDir.toFile());
Path backupDir = sstableDir.resolve("backups");
Files.createDirectories(backupDir);
copyInvalidLegacySSTables(backupDir);
startupChecks.verify();
}
@Test
public void compatibilityCheckIgnoresNonDbFiles() throws Exception
{
startupChecks = startupChecks.withTest(StartupChecks.checkSSTablesFormat);
copyLegacyNonSSTableFiles(sstableDir);
assertFalse(sstableDir.toFile().listFiles().length == 0);
startupChecks.verify();
}
@Test
public void maxMapCountCheck() throws Exception
{
startupChecks = startupChecks.withTest(StartupChecks.checkMaxMapCount);
startupChecks.verify();
}
private void copyLegacyNonSSTableFiles(Path targetDir) throws IOException
{
Path legacySSTableRoot = Paths.get(System.getProperty(INVALID_LEGACY_SSTABLE_ROOT_PROP),
"Keyspace1",
"Standard1");
for (String filename : new String[]{"Keyspace1-Standard1-ic-0-TOC.txt",
"Keyspace1-Standard1-ic-0-Digest.sha1",
"legacyleveled.json"})
Files.copy(Paths.get(legacySSTableRoot.toString(), filename), targetDir.resolve(filename));
}
private void copyInvalidLegacySSTables(Path targetDir) throws IOException
{
File legacySSTableRoot = Paths.get(System.getProperty(INVALID_LEGACY_SSTABLE_ROOT_PROP),
"Keyspace1",
"Standard1").toFile();
for (File f : legacySSTableRoot.listFiles())
Files.copy(f.toPath(), targetDir.resolve(f.getName()));
}
private void verifyFailure(StartupChecks tests, String message)
{
try
{
tests.verify();
fail("Expected a startup exception but none was thrown");
}
catch (StartupException e)
{
assertTrue(e.getMessage().contains(message));
}
}
}