blob: cfdd73562cb4e7ea6858b131a5a5ed4ac9b8b9a4 [file] [log] [blame]
// Copyright (C) 2014 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.sshd.commands;
import static com.google.gerrit.sshd.CommandMetaData.Mode.MASTER_OR_SLAVE;
import com.google.common.base.Strings;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.sshd.CommandMetaData;
import com.google.gerrit.sshd.SshCommand;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Enumeration;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.helpers.Loader;
import org.kohsuke.args4j.Argument;
@RequiresCapability(GlobalCapability.ADMINISTRATE_SERVER)
@CommandMetaData(
name = "set-level",
description = "Change the level of loggers",
runsAt = MASTER_OR_SLAVE)
public class SetLoggingLevelCommand extends SshCommand {
private static final String LOG_CONFIGURATION = "log4j.properties";
private static final String JAVA_OPTIONS_LOG_CONFIG = "log4j.configuration";
private enum LevelOption {
ALL,
TRACE,
DEBUG,
INFO,
WARN,
ERROR,
FATAL,
OFF,
RESET,
}
@Argument(index = 0, required = true, metaVar = "LEVEL", usage = "logging level to set to")
private LevelOption level;
@Argument(index = 1, required = false, metaVar = "NAME", usage = "used to match loggers")
private String name;
@SuppressWarnings("unchecked")
@Override
protected void run() throws MalformedURLException {
if (level == LevelOption.RESET) {
reset();
} else {
for (Enumeration<Logger> logger = LogManager.getCurrentLoggers();
logger.hasMoreElements(); ) {
Logger log = logger.nextElement();
if (name == null || log.getName().contains(name)) {
log.setLevel(Level.toLevel(level.name()));
}
}
}
}
@SuppressWarnings("unchecked")
private static void reset() throws MalformedURLException {
for (Enumeration<Logger> logger = LogManager.getCurrentLoggers(); logger.hasMoreElements(); ) {
logger.nextElement().setLevel(null);
}
String path = System.getProperty(JAVA_OPTIONS_LOG_CONFIG);
if (Strings.isNullOrEmpty(path)) {
PropertyConfigurator.configure(Loader.getResource(LOG_CONFIGURATION));
} else {
PropertyConfigurator.configure(new URL(path));
}
}
}