Java tutorial
/* * * Copyright 2015 Netflix, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.netflix.genie.client.sample; import com.google.common.collect.ArrayListMultimap; import com.google.common.collect.Multimap; import com.netflix.config.ConfigurationManager; import com.netflix.genie.client.ApplicationServiceClient; import com.netflix.genie.common.exceptions.GenieException; import com.netflix.genie.common.model.Application; import com.netflix.genie.common.model.ApplicationStatus; import com.netflix.genie.common.model.Command; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.commons.lang3.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * A sample client demonstrating usage of the Application Service Client. * * @author tgianos */ public final class ApplicationServiceSampleClient { /** * The id for the sample application. */ protected static final String ID = "mr2"; /** * The name for the sample application. */ protected static final String APP_NAME = "MapReduce2"; private static final Logger LOG = LoggerFactory.getLogger(ApplicationServiceSampleClient.class); private static final String APP_VERSION = "1.0"; /** * Private. */ private ApplicationServiceSampleClient() { // never called } /** * Main for running client code. * * @param args program arguments * @throws Exception On issue. */ public static void main(final String[] args) throws Exception { // //Initialize Eureka, if it is being used // LOG.info("Initializing Eureka"); // ApplicationServiceClient.initEureka("test"); LOG.info("Initializing list of Genie servers"); ConfigurationManager.getConfigInstance().setProperty("genie2Client.ribbon.listOfServers", "localhost:7001"); LOG.info("Initializing ApplicationServiceClient"); final ApplicationServiceClient appClient = ApplicationServiceClient.getInstance(); LOG.info("Creating new application config"); final Application app1 = appClient.createApplication(getSampleApplication(null)); LOG.info("Application configuration created with id: " + app1.getId()); LOG.info(app1.toString()); LOG.info("Getting Applications using specified filter criteria name = " + APP_NAME); final Multimap<String, String> params = ArrayListMultimap.create(); params.put("name", APP_NAME); final List<Application> appResponses = appClient.getApplications(params); if (appResponses.isEmpty()) { LOG.info("No applications found for specified criteria."); } else { LOG.info("Applications found:"); for (final Application appResponse : appResponses) { LOG.info(appResponse.toString()); } } LOG.info("Getting application config by id"); final Application app2 = appClient.getApplication(app1.getId()); LOG.info(app2.toString()); LOG.info("Updating existing application config"); app2.setStatus(ApplicationStatus.INACTIVE); final Application app3 = appClient.updateApplication(app1.getId(), app2); LOG.info(app3.toString()); LOG.info("Configurations for application with id " + app1.getId()); final Set<String> configs = appClient.getConfigsForApplication(app1.getId()); for (final String config : configs) { LOG.info("Config = " + config); } LOG.info("Adding configurations to application with id " + app1.getId()); final Set<String> newConfigs = new HashSet<>(); newConfigs.add("someNewConfigFile"); newConfigs.add("someOtherNewConfigFile"); final Set<String> configs2 = appClient.addConfigsToApplication(app1.getId(), newConfigs); for (final String config : configs2) { LOG.info("Config = " + config); } LOG.info("Updating set of configuration files associated with id " + app1.getId()); //This should remove the original config leaving only the two in this set final Set<String> configs3 = appClient.updateConfigsForApplication(app1.getId(), newConfigs); for (final String config : configs3) { LOG.info("Config = " + config); } LOG.info("Deleting all the configuration files from the application with id " + app1.getId()); //This should remove the original config leaving only the two in this set final Set<String> configs4 = appClient.removeAllConfigsForApplication(app1.getId()); for (final String config : configs4) { //Shouldn't print anything LOG.info("Config = " + config); } /**************** Begin tests for tag Api's *********************/ LOG.info("Get tags for application with id " + app1.getId()); final Set<String> tags = app1.getTags(); for (final String tag : tags) { LOG.info("Tag = " + tag); } LOG.info("Adding tags to application with id " + app1.getId()); final Set<String> newTags = new HashSet<>(); newTags.add("tag1"); newTags.add("tag2"); final Set<String> tags2 = appClient.addTagsToApplication(app1.getId(), newTags); for (final String tag : tags2) { LOG.info("Tag = " + tag); } LOG.info("Updating set of tags associated with id " + app1.getId()); //This should remove the original config leaving only the two in this set final Set<String> tags3 = appClient.updateTagsForApplication(app1.getId(), newTags); for (final String tag : tags3) { LOG.info("Tag = " + tag); } LOG.info("Deleting one tag from the application with id " + app1.getId()); //This should remove the "tag3" from the tags final Set<String> tags5 = appClient.removeTagForApplication(app1.getId(), "tag1"); for (final String tag : tags5) { //Shouldn't print anything LOG.info("Tag = " + tag); } LOG.info("Deleting all the tags from the application with id " + app1.getId()); //This should remove the original config leaving only the two in this set final Set<String> tags4 = appClient.removeAllConfigsForApplication(app1.getId()); for (final String tag : tags4) { //Shouldn't print anything LOG.info("Config = " + tag); } /********************** End tests for tag Api's **********************/ LOG.info("Jars for application with id " + app1.getId()); final Set<String> jars = appClient.getJarsForApplication(app1.getId()); for (final String jar : jars) { LOG.info("jar = " + jar); } LOG.info("Adding jars to application with id " + app1.getId()); final Set<String> newJars = new HashSet<>(); newJars.add("someNewJarFile.jar"); newJars.add("someOtherNewJarFile.jar"); final Set<String> jars2 = appClient.addJarsToApplication(app1.getId(), newJars); for (final String jar : jars2) { LOG.info("jar = " + jar); } LOG.info("Updating set of jars associated with id " + app1.getId()); //This should remove the original jar leaving only the two in this set final Set<String> jars3 = appClient.updateJarsForApplication(app1.getId(), newJars); for (final String jar : jars3) { LOG.info("jar = " + jar); } LOG.info("Deleting all the jars from the application with id " + app1.getId()); //This should remove the original jar leaving only the two in this set final Set<String> jars4 = appClient.removeAllJarsForApplication(app1.getId()); for (final String jar : jars4) { //Shouldn't print anything LOG.info("jar = " + jar); } LOG.info("Getting the commands associated with id " + app1.getId()); final Set<Command> commands = appClient.getCommandsForApplication(app1.getId()); for (final Command command : commands) { LOG.info("Command: " + command.toString()); } LOG.info("Deleting application using id"); final Application app4 = appClient.deleteApplication(app1.getId()); LOG.info("Deleted application with id: " + app4.getId()); LOG.info(app4.toString()); LOG.info("Done"); } /** * Helper method to quickly create an application for use in samples. * * @param id The id to use or null/empty if want one created. * @return A sample application with id MR2 * @throws GenieException For any issue */ public static Application getSampleApplication(final String id) throws GenieException { final Application app = new Application(APP_NAME, "tgianos", APP_VERSION, ApplicationStatus.ACTIVE); if (StringUtils.isNotBlank(id)) { app.setId(id); } app.setVersion("2.4.0"); final Set<String> configs = new HashSet<>(); configs.add("s3://mybucket/mapred-site.xml"); app.setConfigs(configs); final Set<String> jars = new HashSet<>(); jars.add("s3://mybucket/foo.jar"); app.setJars(jars); final Set<String> tags = new HashSet<>(); tags.add("tag0"); app.setTags(tags); return app; } }