/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.alipay.sofa.common.boot.logging.initializer;
import com.alipay.sofa.common.boot.logging.filter.DefaultLog4j2FilterGenerator;
import com.alipay.sofa.common.boot.logging.util.SystemPropertiesGetter;
import com.alipay.sofa.common.log.SpaceId;
import com.alipay.sofa.common.log.spi.Log4j2ReInitializer;
import com.alipay.sofa.common.utils.ResourceUtil;
import com.alipay.sofa.common.utils.StringUtil;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.Marker;
import org.apache.logging.log4j.ThreadContext;
import org.apache.logging.log4j.core.Logger;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.ConsoleAppender;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.ConfigurationFactory;
import org.apache.logging.log4j.core.config.ConfigurationSource;
import org.apache.logging.log4j.core.filter.AbstractFilter;
import org.apache.logging.log4j.core.layout.PatternLayout;
import org.apache.logging.log4j.message.Message;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicLong;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_ALL_LOG_CONSOLE_LEVEL;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_ALL_LOG_CONSOLE_SWITCH;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_LOG_CONSOLE_LOG4J2_PATTERN;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_LOG_CONSOLE_LOG4J2_PATTERN_DEFAULT;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_SINGLE_LOG_CONSOLE_LEVEL;
import static com.alipay.sofa.common.log.Constants.SOFA_MIDDLEWARE_SINGLE_LOG_CONSOLE_SWITCH;
/**
* @author qilong.zql
* @since 1.0.15
*/
public class DefaultLog4j2ReInitializer implements Log4j2ReInitializer {
private static final String FILE_PROTOCOL = "file";
private static final String SOFA_CONSOLE = "sofa-console";
@Override
public void reInitialize(final SpaceId spaceId, LoggerContext loggerContext,
final Properties properties, URL confFile) {
if (isAlreadyReInitialized(loggerContext)) {
return;
}
loggerContext.removeFilter(DefaultLog4j2FilterGenerator.FILTER);
initLogContext(properties);
markAsReInitialized(loggerContext);
if (isConsoleAppenderOpen(spaceId.getSpaceName(), properties)) {
final ConsoleAppender consoleAppender = consoleAppender(properties);
loggerContext.addFilter(new AbstractFilter() {
@Override
public Result filter(Logger logger, Level level, Marker marker, Message msg,
Throwable t) {
if (!logger.getAppenders().containsKey(SOFA_CONSOLE)) {
resetLog(logger);
}
return Result.NEUTRAL;
}
@Override
public Result filter(Logger logger, Level level, Marker marker, Object msg,
Throwable t) {
if (!logger.getAppenders().containsKey(SOFA_CONSOLE)) {
resetLog(logger);
}
return Result.NEUTRAL;
}
@Override
public Result filter(Logger logger, Level level, Marker marker, String msg,
Object... params) {
if (!logger.getAppenders().containsKey(SOFA_CONSOLE)) {
resetLog(logger);
}
return Result.NEUTRAL;
}
private void resetLog(Logger logger) {
logger.getAppenders().clear();
logger.addAppender(consoleAppender);
logger.setLevel(getConsoleLevel(spaceId.getSpaceName(), properties));
logger.setAdditive(false);
}
});
} else {
try {
// remove first initialize
loggerContext.setExternalContext(null);
ConfigurationSource source = getConfigurationSource(confFile);
Configuration config = ConfigurationFactory.getInstance().getConfiguration(
loggerContext, source);
for (Map.Entry entry : properties.entrySet()) {
config.getProperties().put((String) entry.getKey(), (String) entry.getValue());
}
loggerContext.start(config);
} catch (Throwable ex) {
throw new IllegalStateException("log4j2 loggerSpaceFactory re-build error", ex);
}
}
}
private Level getConsoleLevel(String spaceId, Properties properties) {
SystemPropertiesGetter propertiesGetter = new SystemPropertiesGetter(properties);
String level = propertiesGetter.getProperty(SOFA_MIDDLEWARE_ALL_LOG_CONSOLE_LEVEL);
String defaultLevel = StringUtil.isBlank(level) ? "INFO" : level;
level = propertiesGetter.getProperty(
String.format(SOFA_MIDDLEWARE_SINGLE_LOG_CONSOLE_LEVEL, spaceId), defaultLevel);
return Level.toLevel(level, Level.INFO);
}
private ConsoleAppender consoleAppender(Properties properties) {
SystemPropertiesGetter propertiesGetter = new SystemPropertiesGetter(properties);
String logPattern = propertiesGetter.getProperty(
SOFA_MIDDLEWARE_LOG_CONSOLE_LOG4J2_PATTERN,
SOFA_MIDDLEWARE_LOG_CONSOLE_LOG4J2_PATTERN_DEFAULT);
ConsoleAppender.Builder builder = ConsoleAppender.newBuilder();
builder.withLayout(PatternLayout.newBuilder().withPattern(logPattern).build()).withName(
SOFA_CONSOLE);
ConsoleAppender consoleAppender = builder.build();
consoleAppender.start();
return consoleAppender;
}
private ConfigurationSource getConfigurationSource(URL url) throws IOException {
InputStream stream = url.openStream();
if (FILE_PROTOCOL.equals(url.getProtocol())) {
return new ConfigurationSource(stream, ResourceUtil.getFile(url));
}
return new ConfigurationSource(stream, url);
}
private boolean isAlreadyReInitialized(LoggerContext loggerContext) {
if (loggerContext.getConfiguration().getProperties()
.get(DefaultLog4j2ReInitializer.class.getCanonicalName()) != null) {
return true;
}
return false;
}
private void markAsReInitialized(LoggerContext loggerContext) {
loggerContext.getConfiguration().getProperties()
.put(DefaultLog4j2ReInitializer.class.getCanonicalName(), "");
}
private void initLogContext(Properties properties) {
for (Map.Entry entry : properties.entrySet()) {
ThreadContext.put((String) entry.getKey(),
properties.getProperty((String) entry.getKey()));
}
}
private boolean isConsoleAppenderOpen(String spaceId, Properties properties) {
SystemPropertiesGetter propertiesGetter = new SystemPropertiesGetter(properties);
String value = propertiesGetter.getProperty(String.format(
SOFA_MIDDLEWARE_SINGLE_LOG_CONSOLE_SWITCH, spaceId));
if (StringUtil.isBlank(value)) {
return "true".equalsIgnoreCase(propertiesGetter
.getProperty(SOFA_MIDDLEWARE_ALL_LOG_CONSOLE_SWITCH));
} else {
return "true".equalsIgnoreCase(value);
}
}
}
