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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.application;
import com.google.common.io.ByteStreams;
import com.yahoo.vespa.config.server.http.InternalServerException;
import com.yahoo.yolean.Exceptions;
import org.apache.commons.compress.archivers.ArchiveOutputStream;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
import java.util.zip.GZIPOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
/**
* @author Ulf Lilleengen
*/
public class CompressedApplicationInputStreamTest {
@Rule
public TemporaryFolder temporaryFolder = new TemporaryFolder();
private static void writeFileToTar(ArchiveOutputStream taos, File file) throws IOException {
taos.putArchiveEntry(taos.createArchiveEntry(file, file.getName()));
ByteStreams.copy(new FileInputStream(file), taos);
taos.closeArchiveEntry();
}
private static File createArchiveFile(ArchiveOutputStream taos, File outFile) throws IOException {
File app = new File("src/test/resources/deploy/validapp");
writeFileToTar(taos, new File(app, "services.xml"));
writeFileToTar(taos, new File(app, "hosts.xml"));
writeFileToTar(taos, new File(app, "deployment.xml"));
taos.close();
return outFile;
}
public static File createTarFile(Path dir) throws IOException {
File outFile = Files.createTempFile(dir, "testapp", ".tar.gz").toFile();
ArchiveOutputStream archiveOutputStream = new TarArchiveOutputStream(new GZIPOutputStream(new FileOutputStream(outFile)));
return createArchiveFile(archiveOutputStream, outFile);
}
private File createZipFile(Path dir) throws IOException {
File outFile = Files.createTempFile(dir, "testapp", ".tar.gz").toFile();
ArchiveOutputStream archiveOutputStream = new ZipArchiveOutputStream(new FileOutputStream(outFile));
return createArchiveFile(archiveOutputStream, outFile);
}
private void assertTestApp(File outApp) {
String [] files = outApp.list();
assertNotNull(files);
assertEquals(3, files.length);
assertTrue(List.of(files).containsAll(List.of("hosts.xml", "services.xml", "deployment.xml")));
}
@Test
public void require_that_valid_tar_application_can_be_unpacked() throws IOException {
File outFile = createTarFile(temporaryFolder.getRoot().toPath());
try (CompressedApplicationInputStream unpacked = streamFromTarGz(outFile)) {
File outApp = unpacked.decompress();
assertTestApp(outApp);
}
}
@Test
public void require_that_valid_zip_application_can_be_unpacked() throws IOException {
File outFile = createZipFile(temporaryFolder.getRoot().toPath());
try (CompressedApplicationInputStream unpacked = streamFromZip(outFile)) {
File outApp = unpacked.decompress();
assertTestApp(outApp);
}
}
@Test
public void require_that_gnu_tared_file_can_be_unpacked() throws IOException, InterruptedException {
File gzFile = createTarGz("src/test/resources/deploy/validapp");
assertTrue(gzFile.exists());
CompressedApplicationInputStream unpacked = CompressedApplicationInputStream.createFromCompressedStream(new FileInputStream(gzFile), "application/x-gzip", Long.MAX_VALUE);
File outApp = unpacked.decompress();
assertTestApp(outApp);
}
@Test
public void require_that_nested_app_can_be_unpacked() throws IOException, InterruptedException {
File gzFile = createTarGz("src/test/resources/deploy/advancedapp");
assertTrue(gzFile.exists());
File outApp;
try (CompressedApplicationInputStream unpacked = streamFromTarGz(gzFile)) {
outApp = unpacked.decompress();
}
List<File> files = Arrays.asList(outApp.listFiles());
assertEquals(5, files.size());
assertTrue(files.contains(new File(outApp, "services.xml")));
assertTrue(files.contains(new File(outApp, "hosts.xml")));
assertTrue(files.contains(new File(outApp, "deployment.xml")));
assertTrue(files.contains(new File(outApp, "schemas")));
assertTrue(files.contains(new File(outApp, "external")));
File sd = files.get(files.indexOf(new File(outApp, "schemas")));
assertTrue(sd.isDirectory());
assertEquals(1, sd.listFiles().length);
assertEquals(new File(sd, "keyvalue.sd").getAbsolutePath(), sd.listFiles()[0].getAbsolutePath());
File ext = files.get(files.indexOf(new File(outApp, "external")));
assertTrue(ext.isDirectory());
assertEquals(1, ext.listFiles().length);
assertEquals(new File(ext, "foo").getAbsolutePath(), ext.listFiles()[0].getAbsolutePath());
files = Arrays.asList(ext.listFiles());
File foo = files.get(files.indexOf(new File(ext, "foo")));
assertTrue(foo.isDirectory());
assertEquals(1, foo.listFiles().length);
assertEquals(new File(foo, "bar").getAbsolutePath(), foo.listFiles()[0].getAbsolutePath());
files = Arrays.asList(foo.listFiles());
File bar = files.get(files.indexOf(new File(foo, "bar")));
assertTrue(bar.isDirectory());
assertEquals(1, bar.listFiles().length);
assertTrue(bar.listFiles()[0].isFile());
assertEquals(new File(bar, "lol").getAbsolutePath(), bar.listFiles()[0].getAbsolutePath());
}
@Test(expected = InternalServerException.class)
public void require_that_invalid_application_returns_error_when_unpacked() throws Exception {
File app = new File("src/test/resources/deploy/validapp/services.xml");
streamFromTarGz(app).close();
}
private File createTarGz(String appDir) throws IOException, InterruptedException {
File tmpTar = Files.createTempFile(temporaryFolder.getRoot().toPath(), "myapp", ".tar").toFile();
Process p = new ProcessBuilder("tar", "-C", appDir, "-cvf", tmpTar.getAbsolutePath(), ".").start();
p.waitFor();
p = new ProcessBuilder("gzip", tmpTar.getAbsolutePath()).start();
p.waitFor();
File gzFile = new File(tmpTar.getAbsolutePath() + ".gz");
assertTrue(gzFile.exists());
return gzFile;
}
private static CompressedApplicationInputStream streamFromZip(File zipFile) {
return Exceptions.uncheck(() -> CompressedApplicationInputStream.createFromCompressedStream(new FileInputStream(zipFile), "application/zip", Long.MAX_VALUE));
}
private static CompressedApplicationInputStream streamFromTarGz(File tarFile) {
return Exceptions.uncheck(() -> CompressedApplicationInputStream.createFromCompressedStream(new FileInputStream(tarFile), "application/x-gzip", Long.MAX_VALUE));
}
}
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