org.springframework.boot.devtools.remote.client.RemoteClientConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2015 the original author or authors.
*
* 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 org.springframework.boot.devtools.remote.client;
import java.net.InetSocketAddress;
import java.net.Proxy.Type;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.annotation.PostConstruct;
import javax.servlet.Filter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.devtools.autoconfigure.DevToolsProperties;
import org.springframework.boot.devtools.autoconfigure.DevToolsProperties.Restart;
import org.springframework.boot.devtools.autoconfigure.OptionalLiveReloadServer;
import org.springframework.boot.devtools.autoconfigure.RemoteDevToolsProperties;
import org.springframework.boot.devtools.autoconfigure.RemoteDevToolsProperties.Proxy;
import org.springframework.boot.devtools.autoconfigure.TriggerFileFilter;
import org.springframework.boot.devtools.classpath.ClassPathChangedEvent;
import org.springframework.boot.devtools.classpath.ClassPathFileSystemWatcher;
import org.springframework.boot.devtools.classpath.ClassPathRestartStrategy;
import org.springframework.boot.devtools.classpath.PatternClassPathRestartStrategy;
import org.springframework.boot.devtools.filewatch.FileSystemWatcher;
import org.springframework.boot.devtools.filewatch.FileSystemWatcherFactory;
import org.springframework.boot.devtools.livereload.LiveReloadServer;
import org.springframework.boot.devtools.restart.DefaultRestartInitializer;
import org.springframework.boot.devtools.restart.RestartScope;
import org.springframework.boot.devtools.restart.Restarter;
import org.springframework.boot.devtools.tunnel.client.HttpTunnelConnection;
import org.springframework.boot.devtools.tunnel.client.TunnelClient;
import org.springframework.boot.devtools.tunnel.client.TunnelConnection;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.EventListener;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.InterceptingClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Configuration used to connect to remote Spring Boot applications.
*
* @author Phillip Webb
* @since 1.3.0
* @see org.springframework.boot.devtools.RemoteSpringApplication
*/
@Configuration
@EnableConfigurationProperties(DevToolsProperties.class)
public class RemoteClientConfiguration {
private static final Log logger = LogFactory.getLog(RemoteClientConfiguration.class);
@Autowired
private DevToolsProperties properties;
@Value("${remoteUrl}")
private String remoteUrl;
@Bean
public static PropertySourcesPlaceholderConfigurer propertySourcesPlaceholderConfigurer() {
return new PropertySourcesPlaceholderConfigurer();
}
@Bean
public ClientHttpRequestFactory clientHttpRequestFactory() {
List interceptors = Arrays
.asList(getSecurityInterceptor());
SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
Proxy proxy = this.properties.getRemote().getProxy();
if (proxy.getHost() != null && proxy.getPort() != null) {
requestFactory.setProxy(new java.net.Proxy(Type.HTTP,
new InetSocketAddress(proxy.getHost(), proxy.getPort())));
}
return new InterceptingClientHttpRequestFactory(requestFactory, interceptors);
}
private ClientHttpRequestInterceptor getSecurityInterceptor() {
RemoteDevToolsProperties remoteProperties = this.properties.getRemote();
String secretHeaderName = remoteProperties.getSecretHeaderName();
String secret = remoteProperties.getSecret();
Assert.state(secret != null,
"The environment value 'spring.devtools.remote.secret' "
+ "is required to secure your connection.");
return new HttpHeaderInterceptor(secretHeaderName, secret);
}
@PostConstruct
private void logWarnings() {
RemoteDevToolsProperties remoteProperties = this.properties.getRemote();
if (!remoteProperties.getDebug().isEnabled()
&& !remoteProperties.getRestart().isEnabled()) {
logger.warn("Remote restart and debug are both disabled.");
}
if (!this.remoteUrl.startsWith("https://")) {
logger.warn("The connection to " + this.remoteUrl
+ " is insecure. You should use a URL starting with 'https://'.");
}
}
/**
* LiveReload configuration.
*/
@ConditionalOnProperty(prefix = "spring.devtools.livereload", name = "enabled", matchIfMissing = true)
static class LiveReloadConfiguration {
@Autowired
private DevToolsProperties properties;
@Autowired(required = false)
private LiveReloadServer liveReloadServer;
@Autowired
private ClientHttpRequestFactory clientHttpRequestFactory;
@Value("${remoteUrl}")
private String remoteUrl;
private ExecutorService executor = Executors.newSingleThreadExecutor();
@Bean
@RestartScope
@ConditionalOnMissingBean
public LiveReloadServer liveReloadServer() {
return new LiveReloadServer(this.properties.getLivereload().getPort(),
Restarter.getInstance().getThreadFactory());
}
@EventListener
public void onClassPathChanged(ClassPathChangedEvent event) {
String url = this.remoteUrl + this.properties.getRemote().getContextPath();
this.executor.execute(new DelayedLiveReloadTrigger(optionalLiveReloadServer(),
this.clientHttpRequestFactory, url));
}
@Bean
public OptionalLiveReloadServer optionalLiveReloadServer() {
return new OptionalLiveReloadServer(this.liveReloadServer);
}
final ExecutorService getExecutor() {
return this.executor;
}
}
/**
* Client configuration for remote update and restarts.
*/
@ConditionalOnProperty(prefix = "spring.devtools.remote.restart", name = "enabled", matchIfMissing = true)
static class RemoteRestartClientConfiguration {
@Autowired
private DevToolsProperties properties;
@Value("${remoteUrl}")
private String remoteUrl;
@Bean
public ClassPathFileSystemWatcher classPathFileSystemWatcher() {
DefaultRestartInitializer restartInitializer = new DefaultRestartInitializer();
URL[] urls = restartInitializer.getInitialUrls(Thread.currentThread());
if (urls == null) {
urls = new URL[0];
}
return new ClassPathFileSystemWatcher(getFileSystemWatcherFactory(),
classPathRestartStrategy(), urls);
}
@Bean
public FileSystemWatcherFactory getFileSystemWatcherFactory() {
return new FileSystemWatcherFactory() {
@Override
public FileSystemWatcher getFileSystemWatcher() {
return newFileSystemWatcher();
}
};
}
private FileSystemWatcher newFileSystemWatcher() {
Restart restartProperties = this.properties.getRestart();
FileSystemWatcher watcher = new FileSystemWatcher(true,
restartProperties.getPollInterval(),
restartProperties.getQuietPeriod());
String triggerFile = restartProperties.getTriggerFile();
if (StringUtils.hasLength(triggerFile)) {
watcher.setTriggerFilter(new TriggerFileFilter(triggerFile));
}
return watcher;
}
@Bean
public ClassPathRestartStrategy classPathRestartStrategy() {
return new PatternClassPathRestartStrategy(
this.properties.getRestart().getAllExclude());
}
@Bean
public ClassPathChangeUploader classPathChangeUploader(
ClientHttpRequestFactory requestFactory) {
String url = this.remoteUrl + this.properties.getRemote().getContextPath()
+ "/restart";
return new ClassPathChangeUploader(url, requestFactory);
}
}
/**
* Client configuration for remote debug HTTP tunneling.
*/
@ConditionalOnProperty(prefix = "spring.devtools.remote.debug", name = "enabled", matchIfMissing = true)
@ConditionalOnClass(Filter.class)
@Conditional(LocalDebugPortAvailableCondition.class)
static class RemoteDebugTunnelClientConfiguration {
@Autowired
private DevToolsProperties properties;
@Value("${remoteUrl}")
private String remoteUrl;
@Bean
public TunnelClient remoteDebugTunnelClient(
ClientHttpRequestFactory requestFactory) {
RemoteDevToolsProperties remoteProperties = this.properties.getRemote();
String url = this.remoteUrl + remoteProperties.getContextPath() + "/debug";
TunnelConnection connection = new HttpTunnelConnection(url, requestFactory);
int localPort = remoteProperties.getDebug().getLocalPort();
TunnelClient client = new TunnelClient(localPort, connection);
client.addListener(new LoggingTunnelClientListener());
return client;
}
}
}