com.netflix.zuul.sample.Bootstrap Maven / Gradle / Ivy
/*
* Copyright 2018 Netflix, Inc.
*
* 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.netflix.zuul.sample;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.netflix.zuul.netty.server.BaseServerStartup;
import com.netflix.zuul.netty.server.Server;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Bootstrap
*
* Author: Arthur Gonigberg
* Date: November 20, 2017
*/
public class Bootstrap {
private static final Logger logger = LoggerFactory.getLogger(Bootstrap.class);
public static void main(String[] args) {
new Bootstrap().start();
}
public void start() {
long startNanos = System.nanoTime();
logger.info("Zuul Sample: starting up.");
int exitCode = 0;
Server server = null;
try {
Injector injector = Guice.createInjector(new ZuulSampleModule());
BaseServerStartup serverStartup = injector.getInstance(BaseServerStartup.class);
server = serverStartup.server();
server.start();
long startupDuration = System.nanoTime() - startNanos;
logger.info(
"Zuul Sample: finished startup. Duration = {}ms", TimeUnit.NANOSECONDS.toMillis(startupDuration));
server.awaitTermination();
} catch (Throwable t) {
// Don't use logger here, as we may be shutting down the JVM and the logs won't be printed.
t.printStackTrace();
System.err.println("###############");
System.err.println("Zuul Sample: initialization failed. Forcing shutdown now.");
System.err.println("###############");
exitCode = 1;
} finally {
// server shutdown
if (server != null) {
server.stop();
}
System.exit(exitCode);
}
}
}