// Copyright (C) 2009 The Android Open Source Project
//
// Licensed 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 com.google.gerrit.pgm.init;
import static com.google.gerrit.pgm.init.InitUtil.die;
import static com.google.gerrit.pgm.init.InitUtil.username;
import com.google.gerrit.launcher.GerritLauncher;
import com.google.gerrit.pgm.util.ConsoleUI;
import com.google.gerrit.server.config.SitePaths;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.jgit.storage.file.LockFile;
import org.eclipse.jgit.util.FS;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
/** Initialize the {@code container} configuration section. */
@Singleton
class InitContainer implements InitStep {
private final ConsoleUI ui;
private final SitePaths site;
private final Section container;
@Inject
InitContainer(final ConsoleUI ui, final SitePaths site,
final Section.Factory sections) {
this.ui = ui;
this.site = site;
this.container = sections.get("container");
}
public void run() throws FileNotFoundException, IOException {
ui.header("Container Process");
container.string("Run as", "user", username());
container.string("Java runtime", "javaHome", javaHome());
File myWar;
try {
myWar = GerritLauncher.getDistributionArchive();
} catch (FileNotFoundException e) {
System.err.println("warn: Cannot find gerrit.war");
myWar = null;
}
String path = container.get("war");
if (path != null) {
path = container.string("Gerrit runtime", "war", //
myWar != null ? myWar.getAbsolutePath() : null);
if (path == null || path.isEmpty()) {
throw die("container.war is required");
}
} else if (myWar != null) {
final boolean copy;
final File siteWar = site.gerrit_war;
if (siteWar.exists()) {
copy = ui.yesno(true, "Upgrade %s", siteWar.getPath());
} else {
copy = ui.yesno(true, "Copy gerrit.war to %s", siteWar.getPath());
if (copy) {
container.unset("war");
} else {
container.set("war", myWar.getAbsolutePath());
}
}
if (copy) {
if (!ui.isBatch()) {
System.err.format("Copying gerrit.war to %s", siteWar.getPath());
System.err.println();
}
FileInputStream in = new FileInputStream(myWar);
try {
siteWar.getParentFile().mkdirs();
LockFile lf = new LockFile(siteWar, FS.DETECTED);
if (!lf.lock()) {
throw new IOException("Cannot lock " + siteWar);
}
try {
final OutputStream out = lf.getOutputStream();
try {
final byte[] tmp = new byte[4096];
for (;;) {
int n = in.read(tmp);
if (n < 0) {
break;
}
out.write(tmp, 0, n);
}
} finally {
out.close();
}
if (!lf.commit()) {
throw new IOException("Cannot commit " + siteWar);
}
} finally {
lf.unlock();
}
} finally {
in.close();
}
}
}
}
private static String javaHome() {
return System.getProperty("java.home");
}
}