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DeploymentGroupInspectCommand.java
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DeploymentGroupInspectCommand.java
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/*
* Copyright (c) 2014 Spotify AB.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 com.spotify.helios.cli.command;
import com.google.common.collect.Maps;
import com.spotify.helios.client.HeliosClient;
import com.spotify.helios.common.Json;
import com.spotify.helios.common.descriptors.DeploymentGroup;
import com.spotify.helios.common.descriptors.HostSelector;
import net.sourceforge.argparse4j.inf.Argument;
import net.sourceforge.argparse4j.inf.Namespace;
import net.sourceforge.argparse4j.inf.Subparser;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Map;
import java.util.concurrent.ExecutionException;
public class DeploymentGroupInspectCommand extends ControlCommand {
private final Argument nameArg;
public DeploymentGroupInspectCommand(final Subparser parser) {
super(parser);
parser.help("inspect a deployment group");
nameArg = parser.addArgument("name")
.required(true)
.help("Deployment group name");
}
@Override
int run(final Namespace options, final HeliosClient client, final PrintStream out,
final boolean json, final BufferedReader stdin)
throws ExecutionException, InterruptedException, IOException {
final String name = options.getString(nameArg.getDest());
final DeploymentGroup deploymentGroup = client.deploymentGroup(name).get();
if (deploymentGroup == null) {
if (json) {
final Map<String, Object> output = Maps.newHashMap();
output.put("status", "DEPLOYMENT_GROUP_NOT_FOUND");
out.print(Json.asStringUnchecked(output));
} else {
out.printf("Unknown deployment group: %s%n", name);
}
return 1;
}
if (json) {
out.println(Json.asPrettyStringUnchecked(deploymentGroup));
} else {
out.printf("Name: %s%n", deploymentGroup.getName());
out.printf("Host selectors:%n");
for (final HostSelector hostSelector : deploymentGroup.getHostSelectors()) {
out.printf(" %s%n", hostSelector.toPrettyString());
}
out.printf("Job: %s%n", deploymentGroup.getJobId());
}
return 0;
}
}