// Copyright (C) 2011 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;
import static com.google.gerrit.server.schema.DataSourceProvider.Context.MULTI_USER;
import com.google.gerrit.lifecycle.LifecycleManager;
import com.google.gerrit.pgm.util.SiteProgram;
import com.google.gerrit.reviewdb.client.AccountExternalId;
import com.google.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.schema.SchemaVersionCheck;
import com.google.gwtorm.server.OrmException;
import com.google.gwtorm.server.SchemaFactory;
import com.google.inject.Inject;
import com.google.inject.Injector;
import org.eclipse.jgit.lib.TextProgressMonitor;
import org.kohsuke.args4j.Option;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
/** Converts the local username for all accounts to lower case */
public class LocalUsernamesToLowerCase extends SiteProgram {
@Option(name = "--threads", usage = "Number of concurrent threads to run")
private int threads = 2;
private final LifecycleManager manager = new LifecycleManager();
private final TextProgressMonitor monitor = new TextProgressMonitor();
private List<AccountExternalId> todo;
private Injector dbInjector;
@Inject
private SchemaFactory<ReviewDb> database;
@Override
public int run() throws Exception {
if (threads <= 0) {
threads = 1;
}
dbInjector = createDbInjector(MULTI_USER);
manager.add(dbInjector,
dbInjector.createChildInjector(SchemaVersionCheck.module()));
manager.start();
dbInjector.injectMembers(this);
final ReviewDb db = database.open();
try {
todo = db.accountExternalIds().all().toList();
synchronized (monitor) {
monitor.beginTask("Converting local username", todo.size());
}
} finally {
db.close();
}
final List<Worker> workers = new ArrayList<Worker>(threads);
for (int tid = 0; tid < threads; tid++) {
Worker t = new Worker();
t.start();
workers.add(t);
}
for (Worker t : workers) {
t.join();
}
synchronized (monitor) {
monitor.endTask();
}
manager.stop();
return 0;
}
private void convertLocalUserToLowerCase(final ReviewDb db,
final AccountExternalId extId) {
if (extId.isScheme(AccountExternalId.SCHEME_GERRIT)) {
final String localUser = extId.getSchemeRest();
final String localUserLowerCase = localUser.toLowerCase(Locale.US);
if (!localUser.equals(localUserLowerCase)) {
final AccountExternalId.Key extIdKeyLowerCase =
new AccountExternalId.Key(AccountExternalId.SCHEME_GERRIT,
localUserLowerCase);
final AccountExternalId extIdLowerCase =
new AccountExternalId(extId.getAccountId(), extIdKeyLowerCase);
try {
db.accountExternalIds().insert(Collections.singleton(extIdLowerCase));
db.accountExternalIds().delete(Collections.singleton(extId));
} catch (OrmException error) {
System.err.println("ERR " + error.getMessage());
}
}
}
}
private AccountExternalId next() {
synchronized (todo) {
if (todo.isEmpty()) {
return null;
}
return todo.remove(todo.size() - 1);
}
}
private class Worker extends Thread {
@Override
public void run() {
final ReviewDb db;
try {
db = database.open();
} catch (OrmException e) {
e.printStackTrace();
return;
}
try {
for (;;) {
final AccountExternalId extId = next();
if (extId == null) {
break;
}
convertLocalUserToLowerCase(db, extId);
synchronized (monitor) {
monitor.update(1);
}
}
} finally {
db.close();
}
}
}
}