/*
* Copyright 2014 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.yarn.boot.cli;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.springframework.yarn.boot.app.YarnContainerClusterApplication;
/**
* Command modifying a container cluster.
*
* @author Janne Valkealahti
*
*/
public class YarnClusterModifyCommand extends AbstractApplicationCommand {
public final static String DEFAULT_COMMAND = "clustermodify";
public final static String DEFAULT_DESC = "Modify cluster";
/**
* Instantiates a new yarn cluster modify command using a default
* command name, command description and option handler.
*/
public YarnClusterModifyCommand() {
super(DEFAULT_COMMAND, DEFAULT_DESC, new ClusterModifyOptionHandler());
}
/**
* Instantiates a new yarn cluster modify command using a default
* command name and command description.
*
* @param handler the handler
*/
public YarnClusterModifyCommand(ClusterModifyOptionHandler handler) {
super(DEFAULT_COMMAND, DEFAULT_DESC, handler);
}
/**
* Instantiates a new yarn cluster modify command.
*
* @param name the command name
* @param description the command description
* @param handler the handler
*/
public YarnClusterModifyCommand(String name, String description, ClusterModifyOptionHandler handler) {
super(name, description, handler);
}
public static class ClusterModifyOptionHandler extends ApplicationOptionHandler {
private OptionSpec<String> applicationIdOption;
private OptionSpec<String> clusterIdOption;
private OptionSpec<String> projectionDataAnyOption;
private OptionSpec<String> projectionDataHostsOption;
private OptionSpec<String> projectionDataRacksOption;
@Override
protected final void options() {
this.applicationIdOption = option(CliSystemConstants.OPTIONS_APPLICATION_ID,
CliSystemConstants.DESC_APPLICATION_ID).withRequiredArg();
this.clusterIdOption = option(CliSystemConstants.OPTIONS_CLUSTER_ID, CliSystemConstants.DESC_CLUSTER_ID)
.withRequiredArg();
this.projectionDataAnyOption = option(CliSystemConstants.OPTIONS_PROJECTION_ANY,
CliSystemConstants.DESC_PROJECTION_ANY).withRequiredArg();
this.projectionDataHostsOption = option(CliSystemConstants.OPTIONS_PROJECTION_HOSTS,
CliSystemConstants.DESC_PROJECTION_HOSTS).withOptionalArg().withValuesSeparatedBy(",");
this.projectionDataRacksOption = option(CliSystemConstants.OPTIONS_PROJECTION_RACKS,
CliSystemConstants.DESC_PROJECTION_RACKS).withOptionalArg().withValuesSeparatedBy(",");
}
@Override
protected void verifyOptionSet(OptionSet options) throws Exception {
String appId = options.valueOf(applicationIdOption);
String clusterId = options.valueOf(clusterIdOption);
Assert.state(StringUtils.hasText(appId) && StringUtils.hasText(clusterId), "Cluster Id and Application Id must be defined");
}
@Override
protected void runApplication(OptionSet options) throws Exception {
String appId = options.valueOf(applicationIdOption);
String clusterId = options.valueOf(clusterIdOption);
String projectionAny = options.valueOf(projectionDataAnyOption);
List<String> projectionHosts = options.valuesOf(projectionDataHostsOption);
List<String> projectionRacks = options.valuesOf(projectionDataRacksOption);
YarnContainerClusterApplication app = new YarnContainerClusterApplication();
Properties appProperties = new Properties();
appProperties.setProperty("spring.yarn.internal.ContainerClusterApplication.operation", "CLUSTERMODIFY");
appProperties.setProperty("spring.yarn.internal.ContainerClusterApplication.applicationId",
appId);
appProperties.setProperty("spring.yarn.internal.ContainerClusterApplication.clusterId",
clusterId);
if (StringUtils.hasText(projectionAny)) {
appProperties
.setProperty("spring.yarn.internal.ContainerClusterApplication.projectionDataAny", projectionAny);
}
for (Entry<String, Integer> entry : getMapFromString(projectionHosts).entrySet()) {
appProperties.setProperty("spring.yarn.internal.ContainerClusterApplication.projectionDataHosts."
+ entry.getKey(), entry.getValue().toString());
}
for (Entry<String, Integer> entry : getMapFromString(projectionRacks).entrySet()) {
appProperties.setProperty("spring.yarn.internal.ContainerClusterApplication.projectionDataRacks."
+ entry.getKey(), entry.getValue().toString());
}
app.appProperties(appProperties);
String info = app.run(new String[0]);
handleOutput(info);
}
public OptionSpec<String> getApplicationIdOption() {
return applicationIdOption;
}
public OptionSpec<String> getClusterIdOption() {
return clusterIdOption;
}
public OptionSpec<String> getProjectionDataAnyOption() {
return projectionDataAnyOption;
}
public OptionSpec<String> getProjectionDataHostsOption() {
return projectionDataHostsOption;
}
public OptionSpec<String> getProjectionDataRacksOption() {
return projectionDataRacksOption;
}
private static Map<String, Integer> getMapFromString(List<String> sources) {
HashMap<String, Integer> map = new HashMap<String, Integer>();
if (sources != null) {
String currentHost = null;
for (String source : sources) {
if (isNumber(source)) {
map.put(currentHost, Integer.parseInt(source));
} else {
currentHost = source;
}
if (!map.containsKey(currentHost)) {
map.put(currentHost, 1);
} else {
}
}
}
return map;
}
private static boolean isNumber(String source) {
try {
Integer.parseInt(source);
return true;
} catch (NumberFormatException e) {
}
return false;
}
}
}