mirror of https://github.com/apache/jclouds.git
First cut of provider-independent PlatformServices to supply Cron and TaskQueue functionality where not provided by the platform
This commit is contained in:
parent
dc49957304
commit
8e74a1e029
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@ -46,6 +46,17 @@
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<artifactId>guice-servlet</artifactId>
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<version>3.0</version>
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</dependency>
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<dependency>
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<groupId>org.quartz-scheduler</groupId>
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<artifactId>quartz</artifactId>
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<version>2.1.3</version>
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<exclusions>
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<exclusion>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-api</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<!-- RUN@cloud API -->
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<dependency>
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@ -18,21 +18,47 @@
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*/
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package org.jclouds.demo.paas;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static org.jclouds.demo.paas.config.PlatformServicesInitializer.PLATFORM_SERVICES_ATTRIBUTE_NAME;
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import java.util.Map;
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import javax.servlet.ServletContext;
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import org.jclouds.demo.paas.service.scheduler.Scheduler;
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import org.jclouds.demo.paas.service.taskqueue.TaskQueue;
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import org.jclouds.javax.annotation.Nullable;
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import com.google.common.collect.ImmutableMap;
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/**
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* @author Andrew Phillips
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*/
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public class PlatformServices implements ServletContextListener {
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public class PlatformServices {
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protected final String baseUrl;
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protected final Scheduler scheduler;
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private ImmutableMap<String, TaskQueue> taskQueues;
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@Override
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public void contextInitialized(ServletContextEvent arg0) {
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throw new UnsupportedOperationException("TODO Auto-generated method stub");
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public PlatformServices(String baseUrl, Scheduler scheduler, Map<String, TaskQueue> taskQueues) {
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this.baseUrl = baseUrl;
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this.scheduler = scheduler;
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this.taskQueues = ImmutableMap.copyOf(taskQueues);
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}
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@Override
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public void contextDestroyed(ServletContextEvent arg0) {
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throw new UnsupportedOperationException("TODO Auto-generated method stub");
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public String getBaseUrl() {
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return baseUrl;
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}
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public Scheduler getScheduler() {
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return scheduler;
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}
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public @Nullable TaskQueue getTaskQueue(String name) {
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return taskQueues.get(name);
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}
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public static PlatformServices get(ServletContext context) {
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return (PlatformServices) checkNotNull(context.getAttribute(
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PLATFORM_SERVICES_ATTRIBUTE_NAME), PLATFORM_SERVICES_ATTRIBUTE_NAME);
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}
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}
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@ -16,65 +16,42 @@
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.demo.paas.service.taskqueue;
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package org.jclouds.demo.paas;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.inject.name.Names.bindProperties;
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import static java.lang.String.format;
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import static org.jclouds.demo.tweetstore.controller.StoreTweetsController.AUTHORIZED_REQUEST_ORIGINATOR_HEADER;
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import java.util.Properties;
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import javax.ws.rs.core.UriBuilder;
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import org.jclouds.PropertiesBuilder;
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import org.jclouds.concurrent.config.ExecutorServiceModule;
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import org.jclouds.http.HttpCommand;
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import org.jclouds.http.HttpCommandExecutorService;
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import org.jclouds.http.HttpRequest;
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import org.jclouds.http.config.JavaUrlHttpCommandExecutorServiceModule;
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import com.google.common.collect.ImmutableMultimap;
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import com.google.common.collect.Multimap;
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import com.google.inject.AbstractModule;
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import com.google.inject.Guice;
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import com.sun.jersey.api.uri.UriBuilderImpl;
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public class HttpRequestTask implements Runnable {
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public static Factory factory(Properties props) {
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return factory(props, format("%s@%d", Factory.class.getName(), System.currentTimeMillis()));
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public class RunnableHttpRequest implements Runnable {
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public static final String PLATFORM_REQUEST_ORIGINATOR_HEADER = "X-Platform-Originator";
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public static Factory factory(HttpCommandExecutorService httpClient) {
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return factory(httpClient, format("%s@%d", Factory.class.getName(), System.currentTimeMillis()));
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}
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public static Factory factory(Properties props, String originator) {
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return new Factory(props, originator);
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public static Factory factory(HttpCommandExecutorService httpClient, String originator) {
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return new Factory(httpClient, originator);
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}
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public static class Factory {
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protected final HttpCommandExecutorService httpClient;
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protected final String originator;
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private Factory(final Properties props, String originator) {
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private Factory(HttpCommandExecutorService httpClient, String originator) {
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this.httpClient = httpClient;
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this.originator = originator;
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httpClient = Guice.createInjector(new ExecutorServiceModule(),
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new JavaUrlHttpCommandExecutorServiceModule(),
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new AbstractModule() {
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@Override
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protected void configure() {
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// URL connection defaults
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Properties toBind = new PropertiesBuilder().build();
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toBind.putAll(checkNotNull(props, "properties"));
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toBind.putAll(System.getProperties());
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bindProperties(binder(), toBind);
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bind(UriBuilder.class).to(UriBuilderImpl.class);
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}
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}).getInstance(HttpCommandExecutorService.class);
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}
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public HttpRequestTask create(HttpRequest request) {
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HttpRequest requestWithSubmitter = request.toBuilder().headers(
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copyOfWithEntry(request.getHeaders(),
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AUTHORIZED_REQUEST_ORIGINATOR_HEADER, originator)).build();
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return new HttpRequestTask(httpClient, requestWithSubmitter);
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public RunnableHttpRequest create(HttpRequest request) {
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HttpRequest requestWithSubmitter = request.toBuilder()
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.headers(copyOfWithEntry(request.getHeaders(),
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PLATFORM_REQUEST_ORIGINATOR_HEADER, originator)).build();
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return new RunnableHttpRequest(httpClient, requestWithSubmitter);
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}
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private static <K, V> Multimap<K, V> copyOfWithEntry(
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@ -86,7 +63,7 @@ public class HttpRequestTask implements Runnable {
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private final HttpCommandExecutorService httpClient;
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private final HttpRequest request;
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private HttpRequestTask(HttpCommandExecutorService httpClient, HttpRequest request) {
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private RunnableHttpRequest(HttpCommandExecutorService httpClient, HttpRequest request) {
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this.httpClient = httpClient;
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this.request = request;
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}
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@ -0,0 +1,104 @@
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
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* contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. jclouds licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.demo.paas.config;
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import static com.google.common.base.Preconditions.checkNotNull;
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import static com.google.inject.name.Names.bindProperties;
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import static java.util.concurrent.TimeUnit.SECONDS;
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import java.util.Properties;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletContextEvent;
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import javax.servlet.ServletContextListener;
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import javax.ws.rs.core.UriBuilder;
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import org.jclouds.PropertiesBuilder;
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import org.jclouds.concurrent.config.ExecutorServiceModule;
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import org.jclouds.demo.paas.PlatformServices;
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import org.jclouds.demo.paas.service.scheduler.Scheduler;
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import org.jclouds.demo.paas.service.taskqueue.TaskQueue;
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import org.jclouds.demo.tweetstore.config.util.PropertiesLoader;
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import org.jclouds.http.HttpCommandExecutorService;
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import org.jclouds.http.config.JavaUrlHttpCommandExecutorServiceModule;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableMap.Builder;
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import com.google.inject.AbstractModule;
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import com.google.inject.Guice;
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import com.sun.jersey.api.uri.UriBuilderImpl;
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/**
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* @author Andrew Phillips
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*/
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public class PlatformServicesInitializer implements ServletContextListener {
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public static final String PLATFORM_SERVICES_ATTRIBUTE_NAME = PlatformServicesInitializer.class.getName();
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// keep in sync with cloudbees-web.xml
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protected static final String HOST_PARAMETER = "application.host";
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@Override
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public void contextInitialized(ServletContextEvent contextEvent) {
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ServletContext context = contextEvent.getServletContext();
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context.setAttribute(PLATFORM_SERVICES_ATTRIBUTE_NAME, createServices(context));
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}
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protected static PlatformServices createServices(ServletContext context) {
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HttpCommandExecutorService httpClient = createHttpClient(context);
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return new PlatformServices(getBaseUrl(context), new Scheduler(httpClient),
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createTaskQueues(httpClient));
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}
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protected static HttpCommandExecutorService createHttpClient(
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final ServletContext context) {
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return Guice.createInjector(new ExecutorServiceModule(),
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new JavaUrlHttpCommandExecutorServiceModule(),
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new AbstractModule() {
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@Override
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protected void configure() {
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// URL connection defaults
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Properties toBind = new PropertiesBuilder().build();
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toBind.putAll(checkNotNull(new PropertiesLoader(context).get(), "properties"));
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toBind.putAll(System.getProperties());
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bindProperties(binder(), toBind);
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bind(UriBuilder.class).to(UriBuilderImpl.class);
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}
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}).getInstance(HttpCommandExecutorService.class);
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}
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protected static String getBaseUrl(ServletContext context) {
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return "http://" + checkNotNull(context.getInitParameter(HOST_PARAMETER), HOST_PARAMETER)
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+ context.getContextPath();
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}
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// TODO: make the number and names of queues configurable
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protected static ImmutableMap<String, TaskQueue> createTaskQueues(HttpCommandExecutorService httpClient) {
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Builder<String, TaskQueue> taskQueues = ImmutableMap.builder();
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taskQueues.put("twitter", TaskQueue.builder(httpClient)
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.name("twitter").period(SECONDS.toMillis(30))
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.build());
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return taskQueues.build();
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}
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@Override
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public void contextDestroyed(ServletContextEvent servletContextEvent) {
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ServletContext context = servletContextEvent.getServletContext();
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context.removeAttribute(PLATFORM_SERVICES_ATTRIBUTE_NAME);
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}
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}
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@ -0,0 +1,28 @@
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
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* contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. jclouds licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
|
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.jclouds.demo.paas.reference;
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/**
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* Configuration properties and constants used in PaaS applications.
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*
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* @author Andrew Phillips
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*/
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public interface PaasConstants {
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static final String PROPERTY_PLATFORM_BASE_URL = "jclouds.paas.baseurl";
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}
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@ -0,0 +1,67 @@
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/**
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* Licensed to jclouds, Inc. (jclouds) under one or more
|
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* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
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* Unless required by applicable law or agreed to in writing,
|
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* 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.
|
||||
*/
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package org.jclouds.demo.paas.service.scheduler;
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import static com.google.common.base.Preconditions.checkNotNull;
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import java.net.URI;
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import javax.servlet.ServletContext;
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import org.jclouds.demo.paas.PlatformServices;
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import org.jclouds.demo.paas.RunnableHttpRequest;
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import org.jclouds.http.HttpRequest;
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import org.quartz.Job;
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import org.quartz.JobExecutionContext;
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import org.quartz.JobExecutionException;
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import org.quartz.SchedulerException;
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/**
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* @author Andrew Phillips
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*/
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public class HttpRequestJob implements Job {
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protected static final String URL_ATTRIBUTE_NAME = "url";
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// keep in sync with "quartz:scheduler-context-servlet-context-key" param in web.xml
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protected static final String SERVLET_CONTEXT_KEY = "servlet-context";
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@Override
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public void execute(JobExecutionContext context) throws JobExecutionException {
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PlatformServices platform = getPlatform(context);
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RunnableHttpRequest request = platform.getScheduler().getHttpRequestFactory().create(
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HttpRequest.builder()
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.endpoint(getTargetUrl(platform.getBaseUrl(), context))
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.method("GET").build());
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request.run();
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}
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private static URI getTargetUrl(String baseUrl, JobExecutionContext context) {
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return URI.create(baseUrl + (String) checkNotNull(
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context.getMergedJobDataMap().get(URL_ATTRIBUTE_NAME), URL_ATTRIBUTE_NAME));
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}
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private static PlatformServices getPlatform(JobExecutionContext jobContext) throws JobExecutionException {
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try {
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return PlatformServices.get((ServletContext) checkNotNull(
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jobContext.getScheduler().getContext().get(SERVLET_CONTEXT_KEY), SERVLET_CONTEXT_KEY));
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} catch (SchedulerException exception) {
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throw new JobExecutionException("Unable to get platform services from the job execution context", exception);
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}
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}
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}
|
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@ -0,0 +1,41 @@
|
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/**
|
||||
* Licensed to jclouds, Inc. (jclouds) under one or more
|
||||
* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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.
|
||||
*/
|
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package org.jclouds.demo.paas.service.scheduler;
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import org.jclouds.demo.paas.RunnableHttpRequest;
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import org.jclouds.demo.paas.RunnableHttpRequest.Factory;
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import org.jclouds.http.HttpCommandExecutorService;
|
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|
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/**
|
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* @author Andrew Phillips
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*/
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public class Scheduler {
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protected static final String SCHEDULER_ORIGINATOR_NAME = "scheduler";
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protected final Factory httpRequestFactory;
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public Scheduler(HttpCommandExecutorService httpClient) {
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httpRequestFactory =
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RunnableHttpRequest.factory(httpClient, SCHEDULER_ORIGINATOR_NAME);
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}
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public Factory getHttpRequestFactory() {
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return httpRequestFactory;
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}
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}
|
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@ -0,0 +1,401 @@
|
|||
/**
|
||||
* Licensed to jclouds, Inc. (jclouds) under one or more
|
||||
* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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 org.jclouds.demo.paas.service.scheduler.quartz.plugins;
|
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|
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import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
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import static org.quartz.TriggerBuilder.newTrigger;
|
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.UnsupportedEncodingException;
|
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import java.net.URL;
|
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import java.net.URLDecoder;
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import java.util.HashSet;
|
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import java.util.Iterator;
|
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import java.util.LinkedHashMap;
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import java.util.Map;
|
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import java.util.Set;
|
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import java.util.StringTokenizer;
|
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|
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import org.jclouds.logging.Logger;
|
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import org.quartz.JobBuilder;
|
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import org.quartz.JobDetail;
|
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import org.quartz.Scheduler;
|
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import org.quartz.SchedulerException;
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import org.quartz.SimpleTrigger;
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import org.quartz.TriggerKey;
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import org.quartz.jobs.FileScanJob;
|
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import org.quartz.jobs.FileScanListener;
|
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import org.quartz.plugins.xml.XMLSchedulingDataProcessorPlugin;
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import org.quartz.simpl.CascadingClassLoadHelper;
|
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import org.quartz.spi.ClassLoadHelper;
|
||||
import org.quartz.spi.SchedulerPlugin;
|
||||
import org.quartz.xml.XMLSchedulingDataProcessor;
|
||||
|
||||
/**
|
||||
* A copy of {@link XMLSchedulingDataProcessorPlugin} that does not reference
|
||||
* {@code javax.transaction.UserTransaction} as so does not require a dependency
|
||||
* on JTA.
|
||||
*
|
||||
* @author Andrew Phillips
|
||||
* @see XMLSchedulingDataProcessorPlugin
|
||||
*/
|
||||
public class TransactionlessXmlSchedulingDataProcessorPlugin implements
|
||||
FileScanListener, SchedulerPlugin {
|
||||
|
||||
/*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*
|
||||
* Data members.
|
||||
*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*/
|
||||
private static final int MAX_JOB_TRIGGER_NAME_LEN = 80;
|
||||
private static final String JOB_INITIALIZATION_PLUGIN_NAME = "JobSchedulingDataLoaderPlugin";
|
||||
private static final String FILE_NAME_DELIMITERS = ",";
|
||||
|
||||
private String name;
|
||||
private Scheduler scheduler;
|
||||
private final Logger log = Logger.CONSOLE;
|
||||
|
||||
private boolean failOnFileNotFound = true;
|
||||
|
||||
private String fileNames = XMLSchedulingDataProcessor.QUARTZ_XML_DEFAULT_FILE_NAME;
|
||||
|
||||
// Populated by initialization
|
||||
private Map<String, JobFile> jobFiles = new LinkedHashMap<String, JobFile>();
|
||||
|
||||
private long scanInterval = 0;
|
||||
|
||||
boolean started = false;
|
||||
|
||||
protected ClassLoadHelper classLoadHelper = null;
|
||||
|
||||
private Set<String> jobTriggerNameSet = new HashSet<String>();
|
||||
|
||||
/*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*
|
||||
* Interface.
|
||||
*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*/
|
||||
|
||||
/**
|
||||
* Comma separated list of file names (with paths) to the XML files that should be read.
|
||||
*/
|
||||
public String getFileNames() {
|
||||
return fileNames;
|
||||
}
|
||||
|
||||
/**
|
||||
* The file name (and path) to the XML file that should be read.
|
||||
*/
|
||||
public void setFileNames(String fileNames) {
|
||||
this.fileNames = fileNames;
|
||||
}
|
||||
|
||||
/**
|
||||
* The interval (in seconds) at which to scan for changes to the file.
|
||||
* If the file has been changed, it is re-loaded and parsed. The default
|
||||
* value for the interval is 0, which disables scanning.
|
||||
*
|
||||
* @return Returns the scanInterval.
|
||||
*/
|
||||
public long getScanInterval() {
|
||||
return scanInterval / 1000;
|
||||
}
|
||||
|
||||
/**
|
||||
* The interval (in seconds) at which to scan for changes to the file.
|
||||
* If the file has been changed, it is re-loaded and parsed. The default
|
||||
* value for the interval is 0, which disables scanning.
|
||||
*
|
||||
* @param scanInterval The scanInterval to set.
|
||||
*/
|
||||
public void setScanInterval(long scanInterval) {
|
||||
this.scanInterval = scanInterval * 1000;
|
||||
}
|
||||
|
||||
/**
|
||||
* Whether or not initialization of the plugin should fail (throw an
|
||||
* exception) if the file cannot be found. Default is <code>true</code>.
|
||||
*/
|
||||
public boolean isFailOnFileNotFound() {
|
||||
return failOnFileNotFound;
|
||||
}
|
||||
|
||||
/**
|
||||
* Whether or not initialization of the plugin should fail (throw an
|
||||
* exception) if the file cannot be found. Default is <code>true</code>.
|
||||
*/
|
||||
public void setFailOnFileNotFound(boolean failOnFileNotFound) {
|
||||
this.failOnFileNotFound = failOnFileNotFound;
|
||||
}
|
||||
|
||||
/*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*
|
||||
* SchedulerPlugin Interface.
|
||||
*
|
||||
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
*/
|
||||
|
||||
/**
|
||||
* <p>
|
||||
* Called during creation of the <code>Scheduler</code> in order to give
|
||||
* the <code>SchedulerPlugin</code> a chance to initialize.
|
||||
* </p>
|
||||
*
|
||||
* @throws org.quartz.SchedulerConfigException
|
||||
* if there is an error initializing.
|
||||
*/
|
||||
@Override
|
||||
public void initialize(String name, Scheduler scheduler)
|
||||
throws SchedulerException {
|
||||
this.name = name;
|
||||
this.scheduler = scheduler;
|
||||
|
||||
classLoadHelper = new CascadingClassLoadHelper();
|
||||
classLoadHelper.initialize();
|
||||
|
||||
log.info("Registering Quartz Job Initialization Plug-in.");
|
||||
|
||||
// Create JobFile objects
|
||||
StringTokenizer stok = new StringTokenizer(fileNames, FILE_NAME_DELIMITERS);
|
||||
while (stok.hasMoreTokens()) {
|
||||
final String fileName = stok.nextToken();
|
||||
final JobFile jobFile = new JobFile(fileName);
|
||||
jobFiles.put(fileName, jobFile);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void start() {
|
||||
try {
|
||||
if (jobFiles.isEmpty() == false) {
|
||||
|
||||
if (scanInterval > 0) {
|
||||
scheduler.getContext().put(JOB_INITIALIZATION_PLUGIN_NAME + '_' + name, this);
|
||||
}
|
||||
|
||||
Iterator<JobFile> iterator = jobFiles.values().iterator();
|
||||
while (iterator.hasNext()) {
|
||||
JobFile jobFile = iterator.next();
|
||||
|
||||
if (scanInterval > 0) {
|
||||
String jobTriggerName = buildJobTriggerName(jobFile.getFileBasename());
|
||||
TriggerKey tKey = new TriggerKey(jobTriggerName, JOB_INITIALIZATION_PLUGIN_NAME);
|
||||
|
||||
// remove pre-existing job/trigger, if any
|
||||
scheduler.unscheduleJob(tKey);
|
||||
|
||||
// TODO: convert to use builder
|
||||
SimpleTrigger trig = newTrigger()
|
||||
.withIdentity(jobTriggerName, JOB_INITIALIZATION_PLUGIN_NAME)
|
||||
.startNow()
|
||||
.endAt(null)
|
||||
.withSchedule(simpleSchedule()
|
||||
.repeatForever()
|
||||
.withIntervalInMilliseconds(scanInterval))
|
||||
.build();
|
||||
|
||||
JobDetail job = JobBuilder.newJob(FileScanJob.class)
|
||||
.withIdentity(jobTriggerName, JOB_INITIALIZATION_PLUGIN_NAME)
|
||||
.build();
|
||||
job.getJobDataMap().put(FileScanJob.FILE_NAME, jobFile.getFileName());
|
||||
job.getJobDataMap().put(FileScanJob.FILE_SCAN_LISTENER_NAME, JOB_INITIALIZATION_PLUGIN_NAME + '_' + name);
|
||||
|
||||
scheduler.scheduleJob(job, trig);
|
||||
log.debug("Scheduled file scan job for data file: {}, at interval: {}", jobFile.getFileName(), scanInterval);
|
||||
}
|
||||
|
||||
processFile(jobFile);
|
||||
}
|
||||
}
|
||||
} catch(SchedulerException se) {
|
||||
log.error("Error starting background-task for watching jobs file.", se);
|
||||
} finally {
|
||||
started = true;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper method for generating unique job/trigger name for the
|
||||
* file scanning jobs (one per FileJob). The unique names are saved
|
||||
* in jobTriggerNameSet.
|
||||
*/
|
||||
private String buildJobTriggerName(
|
||||
String fileBasename) {
|
||||
// Name w/o collisions will be prefix + _ + filename (with '.' of filename replaced with '_')
|
||||
// For example: JobInitializationPlugin_jobInitializer_myjobs_xml
|
||||
String jobTriggerName = JOB_INITIALIZATION_PLUGIN_NAME + '_' + name + '_' + fileBasename.replace('.', '_');
|
||||
|
||||
// If name is too long (DB column is 80 chars), then truncate to max length
|
||||
if (jobTriggerName.length() > MAX_JOB_TRIGGER_NAME_LEN) {
|
||||
jobTriggerName = jobTriggerName.substring(0, MAX_JOB_TRIGGER_NAME_LEN);
|
||||
}
|
||||
|
||||
// Make sure this name is unique in case the same file name under different
|
||||
// directories is being checked, or had a naming collision due to length truncation.
|
||||
// If there is a conflict, keep incrementing a _# suffix on the name (being sure
|
||||
// not to get too long), until we find a unique name.
|
||||
int currentIndex = 1;
|
||||
while (jobTriggerNameSet.add(jobTriggerName) == false) {
|
||||
// If not our first time through, then strip off old numeric suffix
|
||||
if (currentIndex > 1) {
|
||||
jobTriggerName = jobTriggerName.substring(0, jobTriggerName.lastIndexOf('_'));
|
||||
}
|
||||
|
||||
String numericSuffix = "_" + currentIndex++;
|
||||
|
||||
// If the numeric suffix would make the name too long, then make room for it.
|
||||
if (jobTriggerName.length() > (MAX_JOB_TRIGGER_NAME_LEN - numericSuffix.length())) {
|
||||
jobTriggerName = jobTriggerName.substring(0, (MAX_JOB_TRIGGER_NAME_LEN - numericSuffix.length()));
|
||||
}
|
||||
|
||||
jobTriggerName += numericSuffix;
|
||||
}
|
||||
|
||||
return jobTriggerName;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void shutdown() {
|
||||
// nothing to do
|
||||
}
|
||||
|
||||
private void processFile(JobFile jobFile) {
|
||||
if (jobFile == null || !jobFile.getFileFound()) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
XMLSchedulingDataProcessor processor =
|
||||
new XMLSchedulingDataProcessor(this.classLoadHelper);
|
||||
|
||||
processor.addJobGroupToNeverDelete(JOB_INITIALIZATION_PLUGIN_NAME);
|
||||
processor.addTriggerGroupToNeverDelete(JOB_INITIALIZATION_PLUGIN_NAME);
|
||||
|
||||
processor.processFileAndScheduleJobs(
|
||||
jobFile.getFileName(),
|
||||
jobFile.getFileName(), // systemId
|
||||
scheduler);
|
||||
} catch (Exception e) {
|
||||
log.error("Error scheduling jobs: " + e.getMessage(), e);
|
||||
}
|
||||
}
|
||||
|
||||
public void processFile(String filePath) {
|
||||
processFile((JobFile)jobFiles.get(filePath));
|
||||
}
|
||||
|
||||
/**
|
||||
* @see org.quartz.jobs.FileScanListener#fileUpdated(java.lang.String)
|
||||
*/
|
||||
public void fileUpdated(String fileName) {
|
||||
if (started) {
|
||||
processFile(fileName);
|
||||
}
|
||||
}
|
||||
|
||||
class JobFile {
|
||||
private String fileName;
|
||||
|
||||
// These are set by initialize()
|
||||
private String filePath;
|
||||
private String fileBasename;
|
||||
private boolean fileFound;
|
||||
|
||||
protected JobFile(String fileName) throws SchedulerException {
|
||||
this.fileName = fileName;
|
||||
initialize();
|
||||
}
|
||||
|
||||
protected String getFileName() {
|
||||
return fileName;
|
||||
}
|
||||
|
||||
protected boolean getFileFound() {
|
||||
return fileFound;
|
||||
}
|
||||
|
||||
protected String getFilePath() {
|
||||
return filePath;
|
||||
}
|
||||
|
||||
protected String getFileBasename() {
|
||||
return fileBasename;
|
||||
}
|
||||
|
||||
private void initialize() throws SchedulerException {
|
||||
InputStream f = null;
|
||||
try {
|
||||
String furl = null;
|
||||
|
||||
File file = new File(getFileName()); // files in filesystem
|
||||
if (!file.exists()) {
|
||||
URL url = classLoadHelper.getResource(getFileName());
|
||||
if(url != null) {
|
||||
try {
|
||||
furl = URLDecoder.decode(url.getPath(), "UTF-8");
|
||||
} catch (UnsupportedEncodingException e) {
|
||||
furl = url.getPath();
|
||||
}
|
||||
file = new File(furl);
|
||||
try {
|
||||
f = url.openStream();
|
||||
} catch (IOException ignor) {
|
||||
// Swallow the exception
|
||||
}
|
||||
}
|
||||
} else {
|
||||
try {
|
||||
f = new java.io.FileInputStream(file);
|
||||
}catch (FileNotFoundException e) {
|
||||
// ignore
|
||||
}
|
||||
}
|
||||
|
||||
if (f == null) {
|
||||
if (isFailOnFileNotFound()) {
|
||||
throw new SchedulerException(
|
||||
"File named '" + getFileName() + "' does not exist.");
|
||||
} else {
|
||||
log.warn("File named '" + getFileName() + "' does not exist.");
|
||||
}
|
||||
} else {
|
||||
fileFound = true;
|
||||
}
|
||||
filePath = (furl != null) ? furl : file.getAbsolutePath();
|
||||
fileBasename = file.getName();
|
||||
} finally {
|
||||
try {
|
||||
if (f != null) {
|
||||
f.close();
|
||||
}
|
||||
} catch (IOException ioe) {
|
||||
log.warn("Error closing jobs file " + getFileName(), ioe);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
|
@ -20,21 +20,63 @@ package org.jclouds.demo.paas.service.taskqueue;
|
|||
|
||||
import static com.google.common.base.Preconditions.checkArgument;
|
||||
import static com.google.common.base.Preconditions.checkNotNull;
|
||||
import static java.lang.String.format;
|
||||
|
||||
import java.util.Timer;
|
||||
import java.util.TimerTask;
|
||||
import java.util.concurrent.ConcurrentLinkedQueue;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import org.jclouds.demo.paas.RunnableHttpRequest;
|
||||
import org.jclouds.demo.paas.RunnableHttpRequest.Factory;
|
||||
import org.jclouds.http.HttpCommandExecutorService;
|
||||
|
||||
import com.google.inject.Provider;
|
||||
|
||||
public class TaskQueue {
|
||||
public static Builder builder() {
|
||||
return new Builder();
|
||||
protected final Factory httpRequestFactory;
|
||||
private final Timer timer;
|
||||
private final ConcurrentLinkedQueue<Runnable> tasks = new ConcurrentLinkedQueue<Runnable>();
|
||||
|
||||
private TaskQueue(String name, long pollingIntervalMillis, Factory httpRequestFactory) {
|
||||
this.httpRequestFactory = httpRequestFactory;
|
||||
timer = new Timer(name);
|
||||
timer.scheduleAtFixedRate(new TimerTask() {
|
||||
@Override
|
||||
public void run() {
|
||||
Runnable task = tasks.poll();
|
||||
if (task != null) {
|
||||
task.run();
|
||||
}
|
||||
}
|
||||
}, 0, pollingIntervalMillis);
|
||||
}
|
||||
|
||||
public void add(final Runnable task) {
|
||||
tasks.add(task);
|
||||
}
|
||||
|
||||
public Factory getHttpRequestFactory() {
|
||||
return httpRequestFactory;
|
||||
}
|
||||
|
||||
public void destroy() {
|
||||
timer.cancel();
|
||||
tasks.clear();
|
||||
}
|
||||
|
||||
public static Builder builder(HttpCommandExecutorService httpClient) {
|
||||
return new Builder(httpClient);
|
||||
}
|
||||
|
||||
public static class Builder implements Provider<TaskQueue> {
|
||||
protected final HttpCommandExecutorService httpClient;
|
||||
protected String name = "default";
|
||||
protected long taskPeriodMillis = TimeUnit.SECONDS.toMillis(1);
|
||||
protected long pollingIntervalMillis = TimeUnit.SECONDS.toMillis(1);
|
||||
|
||||
private Builder(HttpCommandExecutorService httpClient) {
|
||||
this.httpClient = checkNotNull(httpClient, "httpClient");
|
||||
}
|
||||
|
||||
public Builder name(String name) {
|
||||
this.name = checkNotNull(name, "name");
|
||||
|
@ -42,18 +84,19 @@ public class TaskQueue {
|
|||
}
|
||||
|
||||
public Builder period(TimeUnit period) {
|
||||
this.taskPeriodMillis = checkNotNull(period, "period").toMillis(1);
|
||||
this.pollingIntervalMillis = checkNotNull(period, "period").toMillis(1);
|
||||
return this;
|
||||
}
|
||||
|
||||
public Builder period(long taskPeriodMillis) {
|
||||
checkArgument(taskPeriodMillis > 0, "taskPeriodMillis");
|
||||
this.taskPeriodMillis = taskPeriodMillis;
|
||||
public Builder period(long pollingIntervalMillis) {
|
||||
checkArgument(pollingIntervalMillis > 0, "pollingIntervalMillis");
|
||||
this.pollingIntervalMillis = pollingIntervalMillis;
|
||||
return this;
|
||||
}
|
||||
|
||||
public TaskQueue build() {
|
||||
return new TaskQueue(name, taskPeriodMillis);
|
||||
return new TaskQueue(name, pollingIntervalMillis,
|
||||
RunnableHttpRequest.factory(httpClient, format("taskqueue-%s", name)));
|
||||
}
|
||||
|
||||
@Override
|
||||
|
@ -61,25 +104,4 @@ public class TaskQueue {
|
|||
return build();
|
||||
}
|
||||
}
|
||||
|
||||
private final Timer timer;
|
||||
private final long taskPeriodMillis;
|
||||
|
||||
private TaskQueue(String name, long taskPeriodMillis) {
|
||||
timer = new Timer(name);
|
||||
this.taskPeriodMillis = taskPeriodMillis;
|
||||
}
|
||||
|
||||
public void add(final Runnable task) {
|
||||
timer.scheduleAtFixedRate(new TimerTask() {
|
||||
@Override
|
||||
public void run() {
|
||||
task.run();
|
||||
}
|
||||
}, 0, taskPeriodMillis);
|
||||
}
|
||||
|
||||
public void destroy() {
|
||||
timer.cancel();
|
||||
}
|
||||
}
|
|
@ -23,7 +23,7 @@ import static com.google.common.base.Preconditions.checkState;
|
|||
import static com.google.common.base.Predicates.in;
|
||||
import static com.google.common.collect.ImmutableSet.copyOf;
|
||||
import static com.google.common.collect.Sets.filter;
|
||||
import static java.util.concurrent.TimeUnit.MINUTES;
|
||||
import static org.jclouds.demo.paas.reference.PaasConstants.PROPERTY_PLATFORM_BASE_URL;
|
||||
import static org.jclouds.demo.tweetstore.reference.TweetStoreConstants.PROPERTY_TWEETSTORE_BLOBSTORES;
|
||||
import static org.jclouds.demo.tweetstore.reference.TweetStoreConstants.PROPERTY_TWEETSTORE_CONTAINER;
|
||||
import static org.jclouds.demo.tweetstore.reference.TwitterConstants.PROPERTY_TWITTER_ACCESSTOKEN;
|
||||
|
@ -31,9 +31,6 @@ import static org.jclouds.demo.tweetstore.reference.TwitterConstants.PROPERTY_TW
|
|||
import static org.jclouds.demo.tweetstore.reference.TwitterConstants.PROPERTY_TWITTER_CONSUMER_KEY;
|
||||
import static org.jclouds.demo.tweetstore.reference.TwitterConstants.PROPERTY_TWITTER_CONSUMER_SECRET;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.net.URI;
|
||||
import java.util.Map;
|
||||
import java.util.Properties;
|
||||
import java.util.Set;
|
||||
|
@ -43,13 +40,13 @@ import javax.servlet.ServletContextEvent;
|
|||
|
||||
import org.jclouds.blobstore.BlobStoreContext;
|
||||
import org.jclouds.blobstore.BlobStoreContextFactory;
|
||||
import org.jclouds.demo.paas.service.taskqueue.HttpRequestTask;
|
||||
import org.jclouds.demo.paas.PlatformServices;
|
||||
import org.jclouds.demo.paas.service.taskqueue.TaskQueue;
|
||||
import org.jclouds.demo.paas.service.taskqueue.HttpRequestTask.Factory;
|
||||
import org.jclouds.demo.tweetstore.config.util.CredentialsCollector;
|
||||
import org.jclouds.demo.tweetstore.config.util.PropertiesLoader;
|
||||
import org.jclouds.demo.tweetstore.controller.AddTweetsController;
|
||||
import org.jclouds.demo.tweetstore.controller.EnqueueStoresController;
|
||||
import org.jclouds.demo.tweetstore.controller.StoreTweetsController;
|
||||
import org.jclouds.http.HttpRequest;
|
||||
|
||||
import twitter4j.Twitter;
|
||||
import twitter4j.TwitterFactory;
|
||||
|
@ -57,10 +54,8 @@ import twitter4j.conf.Configuration;
|
|||
import twitter4j.conf.ConfigurationBuilder;
|
||||
|
||||
import com.google.common.base.Splitter;
|
||||
import com.google.common.collect.ImmutableMultimap;
|
||||
import com.google.common.collect.ImmutableSet;
|
||||
import com.google.common.collect.Maps;
|
||||
import com.google.common.io.Closeables;
|
||||
import com.google.inject.Guice;
|
||||
import com.google.inject.Injector;
|
||||
import com.google.inject.Module;
|
||||
|
@ -79,13 +74,14 @@ public class GuiceServletConfig extends GuiceServletContextListener {
|
|||
private Twitter twitterClient;
|
||||
private String container;
|
||||
private TaskQueue queue;
|
||||
private String baseUrl;
|
||||
|
||||
@Override
|
||||
public void contextInitialized(ServletContextEvent servletContextEvent) {
|
||||
BlobStoreContextFactory blobStoreContextFactory = new BlobStoreContextFactory();
|
||||
ServletContext servletContext = servletContextEvent.getServletContext();
|
||||
|
||||
Properties props = loadJCloudsProperties(servletContextEvent);
|
||||
|
||||
Properties props = new PropertiesLoader(servletContext).get();
|
||||
Set<Module> modules = ImmutableSet.<Module>of();
|
||||
// shared across all blobstores and used to retrieve tweets
|
||||
try {
|
||||
|
@ -108,16 +104,10 @@ public class GuiceServletConfig extends GuiceServletContextListener {
|
|||
providerTypeToBlobStoreMap.put(hint, blobStoreContextFactory.createContext(hint, modules, props));
|
||||
}
|
||||
|
||||
// get a queue for submitting store tweet requests
|
||||
queue = TaskQueue.builder().name("twitter").period(MINUTES).build();
|
||||
Factory taskFactory = HttpRequestTask.factory(props, "twitter");
|
||||
// submit a job to store tweets for each configured blobstore
|
||||
for (String name : providerTypeToBlobStoreMap.keySet()) {
|
||||
queue.add(taskFactory.create(HttpRequest.builder()
|
||||
.endpoint(withUrl(servletContextEvent.getServletContext(), "/store/do"))
|
||||
.headers(ImmutableMultimap.of("context", name))
|
||||
.method("GET").build()));
|
||||
}
|
||||
// get a queue for submitting store tweet requests and the application's base URL
|
||||
PlatformServices platform = PlatformServices.get(servletContext);
|
||||
queue = platform.getTaskQueue("twitter");
|
||||
baseUrl = platform.getBaseUrl();
|
||||
|
||||
super.contextInitialized(servletContextEvent);
|
||||
}
|
||||
|
@ -132,39 +122,22 @@ public class GuiceServletConfig extends GuiceServletContextListener {
|
|||
return contexts;
|
||||
}
|
||||
|
||||
private static URI withUrl(ServletContext servletContext, String url) {
|
||||
return URI.create("http://" + checkNotNull(servletContext.getInitParameter("application.host"), "application.host")
|
||||
+ servletContext.getContextPath() + url);
|
||||
}
|
||||
|
||||
private Properties loadJCloudsProperties(
|
||||
ServletContextEvent servletContextEvent) {
|
||||
InputStream input = servletContextEvent.getServletContext()
|
||||
.getResourceAsStream("/WEB-INF/jclouds.properties");
|
||||
Properties props = new Properties();
|
||||
try {
|
||||
props.load(input);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
} finally {
|
||||
Closeables.closeQuietly(input);
|
||||
}
|
||||
return props;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected Injector getInjector() {
|
||||
return Guice.createInjector(new ServletModule() {
|
||||
@Override
|
||||
protected void configureServlets() {
|
||||
bind(new TypeLiteral<Map<String, BlobStoreContext>>() {
|
||||
}).toInstance(providerTypeToBlobStoreMap);
|
||||
bind(new TypeLiteral<Map<String, BlobStoreContext>>() {})
|
||||
.toInstance(providerTypeToBlobStoreMap);
|
||||
bind(Twitter.class).toInstance(twitterClient);
|
||||
bindConstant().annotatedWith(
|
||||
Names.named(PROPERTY_TWEETSTORE_CONTAINER)).to(
|
||||
container);
|
||||
bind(TaskQueue.class).toInstance(queue);
|
||||
bindConstant().annotatedWith(Names.named(PROPERTY_PLATFORM_BASE_URL))
|
||||
.to(baseUrl);
|
||||
bindConstant().annotatedWith(Names.named(PROPERTY_TWEETSTORE_CONTAINER))
|
||||
.to(container);
|
||||
serve("/store/*").with(StoreTweetsController.class);
|
||||
serve("/tweets/*").with(AddTweetsController.class);
|
||||
serve("/stores/*").with(EnqueueStoresController.class);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
|
|
@ -0,0 +1,59 @@
|
|||
/**
|
||||
* Licensed to jclouds, Inc. (jclouds) under one or more
|
||||
* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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 org.jclouds.demo.tweetstore.config.util;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.util.Properties;
|
||||
|
||||
import javax.servlet.ServletContext;
|
||||
|
||||
import com.google.common.io.Closeables;
|
||||
import com.google.inject.Provider;
|
||||
|
||||
/**
|
||||
* @author Andrew Phillips
|
||||
*/
|
||||
public class PropertiesLoader implements Provider<Properties>{
|
||||
private static final String PROPERTIES_FILE = "/WEB-INF/jclouds.properties";
|
||||
|
||||
private final Properties properties;
|
||||
|
||||
public PropertiesLoader(ServletContext context) {
|
||||
properties = loadJcloudsProperties(context);
|
||||
}
|
||||
|
||||
private static Properties loadJcloudsProperties(ServletContext context) {
|
||||
InputStream input = context.getResourceAsStream(PROPERTIES_FILE);
|
||||
Properties props = new Properties();
|
||||
try {
|
||||
props.load(input);
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
} finally {
|
||||
Closeables.closeQuietly(input);
|
||||
}
|
||||
return props;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Properties get() {
|
||||
return properties;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,101 @@
|
|||
/**
|
||||
* Licensed to jclouds, Inc. (jclouds) under one or more
|
||||
* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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 org.jclouds.demo.tweetstore.controller;
|
||||
|
||||
import static com.google.common.base.Strings.nullToEmpty;
|
||||
import static org.jclouds.demo.paas.RunnableHttpRequest.PLATFORM_REQUEST_ORIGINATOR_HEADER;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.net.URI;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import javax.annotation.Resource;
|
||||
import javax.inject.Inject;
|
||||
import javax.inject.Named;
|
||||
import javax.inject.Singleton;
|
||||
import javax.servlet.ServletException;
|
||||
import javax.servlet.http.HttpServlet;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
import javax.ws.rs.core.MediaType;
|
||||
|
||||
import org.jclouds.blobstore.BlobStoreContext;
|
||||
import org.jclouds.demo.paas.reference.PaasConstants;
|
||||
import org.jclouds.demo.paas.service.taskqueue.TaskQueue;
|
||||
import org.jclouds.http.HttpRequest;
|
||||
import org.jclouds.logging.Logger;
|
||||
|
||||
import com.google.common.annotations.VisibleForTesting;
|
||||
import com.google.common.collect.ImmutableMultimap;
|
||||
|
||||
/**
|
||||
* Adds tasks to retrieve and store tweets in all registered contexts to an async
|
||||
* task queue.
|
||||
*
|
||||
* @author Andrew Phillips
|
||||
* @see StoreTweetsController
|
||||
*/
|
||||
@Singleton
|
||||
public class EnqueueStoresController extends HttpServlet {
|
||||
/** The serialVersionUID */
|
||||
private static final long serialVersionUID = 7215420527854203714L;
|
||||
|
||||
private final Set<String> contextNames;
|
||||
private final TaskQueue taskQueue;
|
||||
private final String baseUrl;
|
||||
|
||||
@Resource
|
||||
protected Logger logger = Logger.NULL;
|
||||
|
||||
@Inject
|
||||
public EnqueueStoresController(Map<String, BlobStoreContext> contexts, TaskQueue taskQueue,
|
||||
@Named(PaasConstants.PROPERTY_PLATFORM_BASE_URL) String baseUrl) {
|
||||
contextNames = contexts.keySet();
|
||||
this.taskQueue = taskQueue;
|
||||
this.baseUrl = baseUrl;
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
void enqueueStoreTweetTasks() {
|
||||
for (String contextName : contextNames) {
|
||||
logger.debug("enqueuing task to store tweets in blobstore '%s'", contextName);
|
||||
taskQueue.add(taskQueue.getHttpRequestFactory().create(HttpRequest.builder()
|
||||
.endpoint(URI.create(baseUrl + "/store/do"))
|
||||
.headers(ImmutableMultimap.of("context", contextName))
|
||||
.method("GET").build()));
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
||||
if (!nullToEmpty(request.getHeader(PLATFORM_REQUEST_ORIGINATOR_HEADER)).equals("scheduler")) {
|
||||
response.sendError(401);
|
||||
}
|
||||
|
||||
try {
|
||||
enqueueStoreTweetTasks();
|
||||
response.setContentType(MediaType.TEXT_PLAIN);
|
||||
response.getWriter().println("Done!");
|
||||
} catch (Exception e) {
|
||||
logger.error(e, "Error storing tweets");
|
||||
throw new ServletException(e);
|
||||
}
|
||||
}
|
||||
}
|
|
@ -19,6 +19,8 @@
|
|||
package org.jclouds.demo.tweetstore.controller;
|
||||
|
||||
import static com.google.common.base.Preconditions.checkNotNull;
|
||||
import static com.google.common.base.Strings.nullToEmpty;
|
||||
import static org.jclouds.demo.paas.RunnableHttpRequest.PLATFORM_REQUEST_ORIGINATOR_HEADER;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Map;
|
||||
|
@ -53,7 +55,6 @@ import com.google.common.base.Function;
|
|||
*/
|
||||
@Singleton
|
||||
public class StoreTweetsController extends HttpServlet {
|
||||
public static final String AUTHORIZED_REQUEST_ORIGINATOR_HEADER = "X-RUNatcloud-Originator";
|
||||
|
||||
private static final class StatusToBlob implements Function<Status, Blob> {
|
||||
private final BlobMap map;
|
||||
|
@ -110,8 +111,7 @@ public class StoreTweetsController extends HttpServlet {
|
|||
|
||||
@Override
|
||||
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
|
||||
if (request.getHeader(AUTHORIZED_REQUEST_ORIGINATOR_HEADER) != null
|
||||
&& request.getHeader(AUTHORIZED_REQUEST_ORIGINATOR_HEADER).equals("twitter")) {
|
||||
if (nullToEmpty(request.getHeader(PLATFORM_REQUEST_ORIGINATOR_HEADER)).equals("taskqueue-twitter")) {
|
||||
try {
|
||||
String contextName = checkNotNull(request.getHeader("context"), "missing header context");
|
||||
logger.info("retrieving tweets");
|
||||
|
|
|
@ -0,0 +1,29 @@
|
|||
<?xml version='1.0' encoding='utf-8'?>
|
||||
<job-scheduling-data xmlns="http://www.quartz-scheduler.org/xml/JobSchedulingData"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://www.quartz-scheduler.org/xml/JobSchedulingData http://www.quartz-scheduler.org/xml/job_scheduling_data_2_0.xsd"
|
||||
version="2.0">
|
||||
|
||||
<schedule>
|
||||
<job>
|
||||
<name>enqueue-store-tweet-tasks</name>
|
||||
<description>Enqueue 'store tweet' tasks for all contexts</description>
|
||||
<job-class>org.jclouds.demo.paas.service.scheduler.HttpRequestJob</job-class>
|
||||
<job-data-map>
|
||||
<entry>
|
||||
<key>url</key>
|
||||
<value>/stores/do</value>
|
||||
</entry>
|
||||
</job-data-map>
|
||||
</job>
|
||||
|
||||
<trigger>
|
||||
<calendar-interval>
|
||||
<name>submit-recurring-job</name>
|
||||
<job-name>enqueue-store-tweet-tasks</job-name>
|
||||
<repeat-interval>10</repeat-interval>
|
||||
<repeat-interval-unit>MINUTE</repeat-interval-unit>
|
||||
</calendar-interval>
|
||||
</trigger>
|
||||
</schedule>
|
||||
</job-scheduling-data>
|
|
@ -0,0 +1,28 @@
|
|||
#============================================================================
|
||||
# Configure Main Scheduler Properties
|
||||
#============================================================================
|
||||
|
||||
org.quartz.scheduler.skipUpdateCheck: true
|
||||
|
||||
#============================================================================
|
||||
# Configure ThreadPool
|
||||
#============================================================================
|
||||
|
||||
org.quartz.threadPool.class: org.quartz.simpl.SimpleThreadPool
|
||||
org.quartz.threadPool.threadCount: 1
|
||||
|
||||
#============================================================================
|
||||
# Configure JobStore
|
||||
#============================================================================
|
||||
|
||||
org.quartz.jobStore.class: org.quartz.simpl.RAMJobStore
|
||||
|
||||
#============================================================================
|
||||
# Configure the Job Initialization Plugin
|
||||
#============================================================================
|
||||
|
||||
org.quartz.plugin.jobInitializer.class: org.jclouds.demo.paas.service.scheduler.quartz.plugins.TransactionlessXmlSchedulingDataProcessorPlugin
|
||||
org.quartz.plugin.jobInitializer.fileNames: jobs.xml
|
||||
org.quartz.plugin.jobInitializer.failOnFileNotFound: true
|
||||
org.quartz.plugin.jobInitializer.scanInterval: 0
|
||||
#org.quartz.plugin.jobInitializer.wrapInUserTransaction: false
|
|
@ -24,6 +24,11 @@
|
|||
version="2.5">
|
||||
<display-name>jclouds-tweetstore</display-name>
|
||||
|
||||
<context-param>
|
||||
<param-name>quartz:scheduler-context-servlet-context-key</param-name>
|
||||
<param-value>servlet-context</param-value>
|
||||
</context-param>
|
||||
|
||||
<!-- Servlets -->
|
||||
<filter>
|
||||
<filter-name>guiceFilter</filter-name>
|
||||
|
@ -35,9 +40,17 @@
|
|||
<url-pattern>/*</url-pattern>
|
||||
</filter-mapping>
|
||||
|
||||
<!-- must be started first -->
|
||||
<listener>
|
||||
<listener-class>org.jclouds.demo.tweetstore.config.GuiceServletConfig
|
||||
</listener-class>
|
||||
<listener-class>org.jclouds.demo.paas.config.PlatformServicesInitializer</listener-class>
|
||||
</listener>
|
||||
|
||||
<listener>
|
||||
<listener-class>org.quartz.ee.servlet.QuartzInitializerListener</listener-class>
|
||||
</listener>
|
||||
|
||||
<listener>
|
||||
<listener-class>org.jclouds.demo.tweetstore.config.GuiceServletConfig</listener-class>
|
||||
</listener>
|
||||
|
||||
<welcome-file-list>
|
||||
|
|
|
@ -0,0 +1,83 @@
|
|||
/**
|
||||
* Licensed to jclouds, Inc. (jclouds) under one or more
|
||||
* contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. jclouds 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 org.jclouds.demo.tweetstore.controller;
|
||||
|
||||
import static org.easymock.EasyMock.*;
|
||||
|
||||
import java.net.URI;
|
||||
import java.util.Map;
|
||||
|
||||
import org.jclouds.blobstore.BlobStoreContext;
|
||||
import org.jclouds.blobstore.BlobStoreContextFactory;
|
||||
import org.jclouds.demo.paas.RunnableHttpRequest;
|
||||
import org.jclouds.demo.paas.RunnableHttpRequest.Factory;
|
||||
import org.jclouds.demo.paas.service.taskqueue.TaskQueue;
|
||||
import org.jclouds.http.HttpRequest;
|
||||
import org.testng.annotations.Test;
|
||||
|
||||
import com.google.common.collect.ImmutableMap;
|
||||
import com.google.common.collect.ImmutableMultimap;
|
||||
|
||||
/**
|
||||
* Tests behavior of {@code EnqueueStoresController}
|
||||
*
|
||||
* @author Andrew Phillips
|
||||
*/
|
||||
@Test(groups = "unit")
|
||||
public class EnqueueStoresControllerTest {
|
||||
|
||||
Map<String, BlobStoreContext> createBlobStores() {
|
||||
Map<String, BlobStoreContext> contexts = ImmutableMap.of(
|
||||
"test1", new BlobStoreContextFactory().createContext("transient", "dummy", "dummy"),
|
||||
"test2", new BlobStoreContextFactory().createContext("transient", "dummy", "dummy"));
|
||||
return contexts;
|
||||
}
|
||||
|
||||
public void testEnqueueStores() {
|
||||
Map<String, BlobStoreContext> stores = createBlobStores();
|
||||
TaskQueue taskQueue = createMock(TaskQueue.class);
|
||||
Factory httpRequestFactory = createMock(Factory.class);
|
||||
EnqueueStoresController function = new EnqueueStoresController(stores,
|
||||
taskQueue, "http://localhost:8080");
|
||||
|
||||
expect(taskQueue.getHttpRequestFactory()).andStubReturn(httpRequestFactory);
|
||||
|
||||
HttpRequest storeInTest1Request = HttpRequest.builder().endpoint(
|
||||
URI.create("http://localhost:8080/store/do"))
|
||||
.headers(ImmutableMultimap.of("context", "test1")).method("GET").build();
|
||||
RunnableHttpRequest storeInTest1Task = null;
|
||||
expect(httpRequestFactory.create(eq(storeInTest1Request))).andReturn(storeInTest1Task);
|
||||
|
||||
HttpRequest storeInTest2Request = HttpRequest.builder().endpoint(
|
||||
URI.create("http://localhost:8080/store/do"))
|
||||
.headers(ImmutableMultimap.of("context", "test2")).method("GET").build();
|
||||
RunnableHttpRequest storeInTest2Task = null;
|
||||
expect(httpRequestFactory.create(eq(storeInTest2Request))).andReturn(storeInTest2Task);
|
||||
|
||||
taskQueue.add(storeInTest1Task);
|
||||
expectLastCall();
|
||||
taskQueue.add(storeInTest2Task);
|
||||
expectLastCall();
|
||||
replay(httpRequestFactory, taskQueue);
|
||||
|
||||
function.enqueueStoreTweetTasks();
|
||||
|
||||
verify(taskQueue);
|
||||
}
|
||||
}
|
|
@ -19,7 +19,7 @@
|
|||
package org.jclouds.demo.tweetstore.integration;
|
||||
|
||||
import static com.google.common.base.Preconditions.checkNotNull;
|
||||
import static org.jclouds.demo.tweetstore.controller.StoreTweetsController.AUTHORIZED_REQUEST_ORIGINATOR_HEADER;
|
||||
import static org.jclouds.demo.paas.RunnableHttpRequest.PLATFORM_REQUEST_ORIGINATOR_HEADER;
|
||||
import static org.jclouds.demo.tweetstore.reference.TweetStoreConstants.PROPERTY_TWEETSTORE_BLOBSTORES;
|
||||
import static org.jclouds.demo.tweetstore.reference.TweetStoreConstants.PROPERTY_TWEETSTORE_CONTAINER;
|
||||
import static org.jclouds.demo.tweetstore.reference.TwitterConstants.PROPERTY_TWITTER_ACCESSTOKEN;
|
||||
|
@ -199,7 +199,7 @@ public class TweetStoreLiveTest {
|
|||
for (String context : blobstores) {
|
||||
System.out.println("storing at context: " + context);
|
||||
HttpURLConnection connection = (HttpURLConnection) gurl.openConnection();
|
||||
connection.addRequestProperty(AUTHORIZED_REQUEST_ORIGINATOR_HEADER, "twitter");
|
||||
connection.addRequestProperty(PLATFORM_REQUEST_ORIGINATOR_HEADER, "taskqueue-twitter");
|
||||
connection.addRequestProperty("context", context);
|
||||
InputStream i = connection.getInputStream();
|
||||
String string = Strings2.toStringAndClose(i);
|
||||
|
|
Loading…
Reference in New Issue