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scouterx.webapp.main.WebAppMain Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouterx.webapp.main;
import org.eclipse.jetty.server.NCSARequestLog;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.HandlerCollection;
import org.eclipse.jetty.server.handler.RequestLogHandler;
import org.eclipse.jetty.server.session.SessionHandler;
import org.eclipse.jetty.servlet.DefaultServlet;
import org.eclipse.jetty.servlet.ServletContextHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.glassfish.jersey.servlet.ServletContainer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import scouter.util.SysJMX;
import scouter.util.ThreadUtil;
import scouter.util.logo.Logo;
import scouterx.webapp.framework.client.model.AgentModelThread;
import scouterx.webapp.framework.client.net.LoginMgr;
import scouterx.webapp.framework.client.net.LoginRequest;
import scouterx.webapp.framework.client.server.ServerManager;
import scouterx.webapp.framework.client.thread.ServerSessionObserver;
import scouterx.webapp.framework.configure.ConfigureAdaptor;
import scouterx.webapp.framework.configure.ConfigureManager;
import scouterx.webapp.framework.configure.ServerConfig;
import scouterx.webapp.framework.filter.CorsFilter;
import scouterx.webapp.framework.filter.LoggingInitServletFilter;
import scouterx.webapp.framework.filter.NoCacheFilter;
import scouterx.webapp.framework.filter.ReleaseResourceFilter;
import scouterx.webapp.swagger.Bootstrap;
import javax.servlet.DispatcherType;
import javax.ws.rs.core.Application;
import java.io.File;
import java.util.EnumSet;
import java.util.List;
import java.util.TimeZone;
//TODO shutdown hook, shutdown serverManager
/**
* Created by gunlee on 2017. 8. 25.
*/
public class WebAppMain extends Application {
private static boolean standAloneMode = false;
/**
* if you want use the Swagger.
* add "-DisUseSwagger=true" your VM options When bootrun.
* Not recommend using on **Production** environment.
*/
public static boolean isStandAloneMode() {
return standAloneMode;
}
public static void main(String[] args) throws Exception {
WebAppMain.standAloneMode = true;
Logo.print(true);
initializeLogDir();
final ConfigureAdaptor conf = ConfigureManager.getConfigure();
connectScouterCollector();
final Server server = new Server(conf.getNetHttpPort());
HandlerCollection handlers = new HandlerCollection();
RequestLogHandler requestLogHandler = setRequestLogHandler();
handlers.addHandler(requestLogHandler);
ServletContextHandler servletContextHandler = setWebAppContext();
handlers.addHandler(servletContextHandler);
server.setHandler(handlers);
try {
server.start();
waitOnExit(server);
} catch (Exception e) {
e.printStackTrace();
}
}
private static ServletContextHandler setWebHttpApiHandler () {
ConfigureAdaptor conf = ConfigureManager.getConfigure();
String providerPackages = "scouterx.webapp";
if (conf.isNetHttpApiSwaggerEnabled()) {
providerPackages += ",io.swagger.jaxrs.listing";
}
final ServletHolder jerseyHolder = new ServletHolder(ServletContainer.class);
jerseyHolder.setInitParameter("javax.ws.rs.Application", "scouterx.webapp.main.WebAppMain");
jerseyHolder.setInitParameter("jersey.config.server.provider.packages", providerPackages);
jerseyHolder.setInitOrder(1);
final ServletContextHandler servletContextHandler = new ServletContextHandler();
servletContextHandler.setSessionHandler(new SessionHandler());
servletContextHandler.getSessionHandler().setMaxInactiveInterval(conf.getNetHttpApiSessionTimeout());
servletContextHandler.setContextPath("/");
servletContextHandler.addServlet(jerseyHolder, "/scouter/*");
servletContextHandler.addServlet(setStaticContentHandler(), "/*");
servletContextHandler.addServlet(setSwaggerBootstrapHandler(), "/swagger");
addFilter(servletContextHandler);
return servletContextHandler;
}
private static void addFilter (ServletContextHandler servletContextHandler) {
servletContextHandler.addFilter(LoggingInitServletFilter.class, "/scouter/*", EnumSet.of(DispatcherType.REQUEST));
servletContextHandler.addFilter(CorsFilter.class, "/scouter/*", EnumSet.of(DispatcherType.REQUEST));
servletContextHandler.addFilter(NoCacheFilter.class, "/scouter/*", EnumSet.of(DispatcherType.REQUEST));
servletContextHandler.addFilter(ReleaseResourceFilter.class, "/scouter/*", EnumSet.of(DispatcherType.REQUEST));
}
private static ServletHolder setSwaggerBootstrapHandler () {
ServletHolder swaggerBootstrap = new ServletHolder(Bootstrap.class);
swaggerBootstrap.setInitOrder(2);
return swaggerBootstrap;
}
private static ServletHolder setStaticContentHandler () {
String resourceBase = WebAppMain.class.getClassLoader().getResource("webroot/").toExternalForm();
ServletHolder holderHome = new ServletHolder(DefaultServlet.class);
holderHome.setInitParameter("resourceBase", resourceBase);
holderHome.setInitParameter("dirAllowed","false");
holderHome.setInitParameter("pathInfoOnly","true");
return holderHome;
}
private static RequestLogHandler setRequestLogHandler() {
ConfigureAdaptor conf = ConfigureManager.getConfigure();
NCSARequestLog requestLog = new NCSARequestLog();
requestLog.setFilename("./logs/http-request-yyyy_mm_dd.log");
requestLog.setFilenameDateFormat("yyyy_MM_dd");
requestLog.setRetainDays(conf.getLogKeepDays());
requestLog.setAppend(true);
requestLog.setExtended(true);
requestLog.setLogCookies(false);
requestLog.setLogTimeZone(TimeZone.getDefault().getID());
RequestLogHandler requestLogHandler = new RequestLogHandler();
requestLogHandler.setRequestLog(requestLog);
return requestLogHandler;
}
private static void connectScouterCollector() {
Logger log = LoggerFactory.getLogger(WebAppMain.class);
List serverConfigList = ConfigureManager.getConfigure().getServerConfigs();
ServerManager srvMgr = ServerManager.getInstance();
for (ServerConfig serverConfig : serverConfigList) {
scouterx.webapp.framework.client.server.Server server = new scouterx.webapp.framework.client.server.Server(serverConfig.getIp(), serverConfig.getPort());
if (srvMgr.getServer(server.getId()) == null) {
srvMgr.addServer(server);
} else {
server = srvMgr.getServer(server.getId());
}
server.setUserId(serverConfig.getId());
server.setPassword(serverConfig.getPassword());
LoginRequest result = LoginMgr.login(server);
if (result.success) {
log.info("Successfully log in to {}:{}", server.getIp(), server.getPort());
AgentModelThread.getInstance(); //preloading
} else {
server.setUserId(serverConfig.getId());
server.setPassword(serverConfig.getPassword());
log.error("Fail to log in to {}:{}", server.getIp(), server.getPort());
}
}
ServerSessionObserver.load();
}
private static void waitOnExit(Server server) throws Exception {
File exit = new File(SysJMX.getProcessPID() + ".scouter");
try {
exit.createNewFile();
} catch (Exception e) {
String tmp = System.getProperty("user.home", "/tmp");
exit = new File(tmp, SysJMX.getProcessPID() + ".scouter.run");
try {
exit.createNewFile();
} catch (Exception k) {
System.exit(1);
}
}
exit.deleteOnExit();
System.out.println("System JRE version : " + System.getProperty("java.version"));
while (true) {
if (exit.exists() == false) {
server.setStopTimeout(3000);
server.stop();
System.exit(0);
}
ThreadUtil.sleep(1000);
}
}
private static void initializeLogDir() {
ConfigureAdaptor conf = ConfigureManager.getConfigure();
File logDir = new File(conf.getLogDir());
if (!logDir.exists()) {
logDir.mkdirs();
}
System.setProperty("scouter_webapp_log_dir", conf.getLogDir());
Logger firstLogger = LoggerFactory.getLogger(WebAppMain.class);
firstLogger.info("scouter webapp starting! Run-Mode:" + (WebAppMain.standAloneMode ? "StandAlone" : "Embedded"));
}
/**
* Initialize context needed by scouter web http api application.
* (This method also can be invoked from scouter.server's Http Server when this webapp runs as an embedded mode.)
*
*/
public static ServletContextHandler setWebAppContext() {
//The case - embedded mode (run in-process of scouter server)
if (!standAloneMode) {
initializeLogDir();
connectScouterCollector();
}
return setWebHttpApiHandler();
}
}
