/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.server.mgmt.deployment;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.DigestOutputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.jboss.as.deployment.ServerDeploymentRepository;
import org.jboss.as.deployment.module.TempFileProviderService;
import org.jboss.as.server.ServerEnvironment;
import org.jboss.as.server.ServerEnvironmentService;
import org.jboss.logging.Logger;
import org.jboss.msc.service.BatchBuilder;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
/**
* Default implementation of {@link ServerDeploymentRepository}.
*
* @author Brian Stansberry
*/
public class ServerDeploymentRepositoryImpl implements ServerDeploymentRepository, Service<ServerDeploymentRepository> {
private static final Logger log = Logger.getLogger("org.jboss.as.server.deployment");
private static final String CONTENT = "content";
private final InjectedValue<ServerEnvironment> serverEnvironment = new InjectedValue<ServerEnvironment>();
private File repoRoot;
private MessageDigest messageDigest;
/**
* Creates an instance of ServerDeploymentRepositoryImpl and configures the BatchBuilder to install it.
*
* @param batchBuilder service batch builder to use to install the service. Cannot be {@code null}
*/
public static void addService(BatchBuilder batchBuilder) {
ServerDeploymentRepositoryImpl service = new ServerDeploymentRepositoryImpl();
batchBuilder.addService(SERVICE_NAME, service)
.addDependency(ServerEnvironmentService.SERVICE_NAME, ServerEnvironment.class, service.serverEnvironment);
}
/**
* Creates a new ServerDeploymentRepositoryImpl.
*/
public ServerDeploymentRepositoryImpl() {
}
@Override
public byte[] addDeploymentContent(String name, String runtimeName, InputStream stream)
throws IOException {
log.debugf("Adding content with name %s", name);
byte[] sha1Bytes = null;
File tmp = File.createTempFile(name, "tmp", repoRoot);
FileOutputStream fos = new FileOutputStream(tmp);
synchronized (messageDigest) {
messageDigest.reset();
try {
DigestOutputStream dos = new DigestOutputStream(fos, messageDigest);
BufferedInputStream bis = new BufferedInputStream(stream);
byte[] bytes = new byte[8192];
int read;
while ((read = bis.read(bytes)) > -1) {
dos.write(bytes, 0, read);
}
}
finally {
try { fos.close(); } catch (Exception ignored) {}
}
sha1Bytes = messageDigest.digest();
}
String sha1 = bytesToHexString(sha1Bytes);
String partA = sha1.substring(0,2);
String partB = sha1.substring(2);
File base = new File(repoRoot, partA);
validateDir(base);
File realDir = new File(base, partB);
if (!realDir.exists() && !realDir.mkdirs()) {
throw new IllegalStateException("Cannot create directory " + realDir.getAbsolutePath());
}
File realFile = new File(realDir, CONTENT);
if (realFile.exists()) {
// we've already got this content
if (!tmp.delete()) {
tmp.deleteOnExit();
}
log.debugf("Content with name %s was already present in repository at location %s" , name, realFile.getAbsolutePath());
}
else {
moveTempToPermanent(tmp, realFile);
log.infof("Content with name %s added at location %s" , name, realFile.getAbsolutePath());
}
return sha1Bytes;
}
@Override
public Closeable mountDeploymentContent(String name, String runtimeName, byte[] deploymentHash, VirtualFile mountPoint) throws IOException {
// Internal deployments have no hash, and are unique by name
if (deploymentHash == null) {
File file = new File(serverEnvironment.getValue().getServerSystemDeployDir(), name);
return VFS.mountZip(file, mountPoint, TempFileProviderService.provider());
}
// TODO recognize exploded content stored in a hot-deploy dir
String sha1 = bytesToHexString(deploymentHash);
String partA = sha1.substring(0,2);
String partB = sha1.substring(2);
File base = new File(repoRoot, partA);
File hashDir = new File(base, partB);
File content = new File(hashDir, CONTENT);
// FIXME
if(name.endsWith("war")) {
return VFS.mountZipExpanded(content, mountPoint, TempFileProviderService.provider());
} else {
return VFS.mountZip(content, mountPoint, TempFileProviderService.provider());
}
}
@Override
public void start(StartContext context) throws StartException {
ServerEnvironment env = null;
try {
env = serverEnvironment.getValue();
}
catch (IllegalStateException ise) {
throw new StartException(ServerEnvironment.class.getSimpleName() + " was not injected");
}
File deployDir = env.getServerDeployDir();
if (deployDir == null)
throw new IllegalArgumentException("deployDir is null");
if (deployDir.exists()) {
if (!deployDir.isDirectory()) {
throw new IllegalStateException("Deployment repository root " + deployDir.getAbsolutePath() + " is not a directory");
}
else if (!deployDir.canWrite()) {
throw new IllegalStateException("Deployment repository root " + deployDir.getAbsolutePath() + " is not a writable");
}
}
else if (!deployDir.mkdirs()) {
throw new IllegalStateException("Failed to create a directory at " + deployDir.getAbsolutePath());
}
this.repoRoot = deployDir;
try {
this.messageDigest = MessageDigest.getInstance("SHA-1");
} catch (NoSuchAlgorithmException e) {
throw new StartException("Cannot obtain SHA-1 " + MessageDigest.class.getSimpleName(), e);
}
log.debugf("%s started", ServerDeploymentRepository.class.getSimpleName());
}
@Override
public void stop(StopContext context) {
this.repoRoot = null;
log.debugf("%s stopped", ServerDeploymentRepository.class.getSimpleName());
}
@Override
public ServerDeploymentRepository getValue() throws IllegalStateException {
return this;
}
private void validateDir(File dir) {
if (!dir.exists()) {
if (!dir.mkdirs()) {
throw new IllegalStateException("Cannot create directory " + dir.getAbsolutePath());
}
}
else if (!dir.isDirectory()) {
throw new IllegalStateException(dir.getAbsolutePath() + " is not a directory");
}
else if (!dir.canWrite()) {
throw new IllegalStateException("Cannot write to directory " + dir.getAbsolutePath());
}
}
private void moveTempToPermanent(File tmpFile, File permanentFile) throws IOException {
if (!tmpFile.renameTo(permanentFile)) {
FileOutputStream fos = null;
BufferedOutputStream bos = null;
FileInputStream fis = null;
try {
fos = new FileOutputStream(permanentFile);
bos = new BufferedOutputStream(fos);
fis = new FileInputStream(tmpFile);
BufferedInputStream bis = new BufferedInputStream(fis);
byte[] bytes = new byte[8192];
int read;
while ((read = bis.read(bytes)) > -1) {
bos.write(bytes, 0, read);
}
}
finally {
try {
if (bos != null) {
bos.close();
}
} catch (Exception ignored) {}
try {
if (fos != null) {
fos.close();
}
} catch (Exception ignored) {}
try {
if (fis != null) {
fis.close();
}
} catch (Exception ignored) {}
if (!tmpFile.delete()) {
tmpFile.deleteOnExit();
}
}
}
}
// TODO move this sha1 translation stuff to a general utility class
private static char[] table = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
};
/**
* Convert a byte array into a hex string.
*
* @param bytes the bytes
* @return the string
*/
protected static String bytesToHexString(final byte[] bytes) {
final StringBuilder builder = new StringBuilder(bytes.length * 2);
for (byte b : bytes) {
builder.append(table[b >> 4 & 0x0f]).append(table[b & 0x0f]);
}
return builder.toString();
}
}