com.alibaba.nacos.client.logging.NacosLogging Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* 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.alibaba.nacos.client.logging;
import com.alibaba.nacos.client.env.NacosClientProperties;
import com.alibaba.nacos.common.executor.ExecutorFactory;
import com.alibaba.nacos.common.executor.NameThreadFactory;
import com.alibaba.nacos.common.logging.NacosLoggingAdapter;
import com.alibaba.nacos.common.logging.NacosLoggingAdapterBuilder;
import com.alibaba.nacos.common.logging.NacosLoggingProperties;
import com.alibaba.nacos.common.spi.NacosServiceLoader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
/**
* nacos logging.
*
* @author mai.jh
*/
public class NacosLogging {
private static final Logger LOGGER = LoggerFactory.getLogger(NacosLogging.class);
private NacosLoggingAdapter loggingAdapter;
private NacosLoggingProperties loggingProperties;
private NacosLogging() {
initLoggingAdapter();
}
private void initLoggingAdapter() {
Class loggerClass = LOGGER.getClass();
for (NacosLoggingAdapterBuilder each : NacosServiceLoader.load(NacosLoggingAdapterBuilder.class)) {
LOGGER.info("Nacos Logging Adapter Builder: {}", each.getClass().getName());
NacosLoggingAdapter tempLoggingAdapter = buildLoggingAdapterFromBuilder(each);
if (isAdaptLogging(tempLoggingAdapter, loggerClass)) {
LOGGER.info("Nacos Logging Adapter: {} match {} success.", tempLoggingAdapter.getClass().getName(),
loggerClass.getName());
loggingProperties = new NacosLoggingProperties(tempLoggingAdapter.getDefaultConfigLocation(),
NacosClientProperties.PROTOTYPE.asProperties());
loggingAdapter = tempLoggingAdapter;
}
}
if (null == loggingAdapter) {
LOGGER.warn("Nacos Logging don't find adapter, logging will print into application logs.");
return;
}
scheduleReloadTask();
}
private NacosLoggingAdapter buildLoggingAdapterFromBuilder(NacosLoggingAdapterBuilder builder) {
try {
return builder.build();
} catch (Throwable e) {
LOGGER.warn("Build Nacos Logging Adapter failed: {}", e.getMessage());
return null;
}
}
private boolean isAdaptLogging(NacosLoggingAdapter loggingAdapter, Class loggerClass) {
return null != loggingAdapter && loggingAdapter.isEnabled() && loggingAdapter.isAdaptedLogger(loggerClass);
}
private void scheduleReloadTask() {
ScheduledExecutorService reloadContextService = ExecutorFactory.Managed
.newSingleScheduledExecutorService("Nacos-Client",
new NameThreadFactory("com.alibaba.nacos.client.logging"));
reloadContextService.scheduleAtFixedRate(() -> {
if (loggingAdapter.isNeedReloadConfiguration()) {
loggingAdapter.loadConfiguration(loggingProperties);
}
}, 0, loggingProperties.getReloadInternal(), TimeUnit.SECONDS);
}
private static class NacosLoggingInstance {
private static final NacosLogging INSTANCE = new NacosLogging();
}
public static NacosLogging getInstance() {
return NacosLoggingInstance.INSTANCE;
}
/**
* Load logging Configuration.
*/
public void loadConfiguration() {
try {
if (null != loggingAdapter) {
loggingAdapter.loadConfiguration(loggingProperties);
}
} catch (Throwable t) {
LOGGER.warn("Load {} Configuration of Nacos fail, message: {}", LOGGER.getClass().getName(),
t.getMessage());
}
}
}