/*
* 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.ImmutableList;
import com.google.common.collect.Lists;
import com.spotify.helios.client.HeliosClient;
import com.spotify.helios.common.descriptors.Deployment;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.protocol.JobDeployResponse;
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.PrintStream;
import java.util.List;
import java.util.concurrent.ExecutionException;
import static com.spotify.helios.common.descriptors.Goal.START;
import static com.spotify.helios.common.descriptors.Goal.STOP;
import static net.sourceforge.argparse4j.impl.Arguments.storeTrue;
public class JobDeployCommand extends WildcardJobCommand {
private final Argument hostsArg;
private final Argument noStartArg;
private final Argument watchArg;
private final Argument intervalArg;
public JobDeployCommand(final Subparser parser) {
super(parser);
parser.help("deploy a job to hosts");
noStartArg = parser.addArgument("--no-start")
.action(storeTrue())
.help("Deploy job without starting it.");
hostsArg = parser.addArgument("hosts")
.nargs("+")
.help("The hosts to deploy the job on.");
watchArg = parser.addArgument("--watch")
.action(storeTrue())
.help("Watch the newly deployed job (like running job watch right after)");
intervalArg = parser.addArgument("--interval")
.setDefault(1)
.help("if --watch is specified, the polling interval, default 1 second");
}
@Override
protected int runWithJobId(final Namespace options, final HeliosClient client,
final PrintStream out, final boolean json, final JobId jobId,
final BufferedReader stdin)
throws ExecutionException, InterruptedException {
final List<String> hosts = options.getList(hostsArg.getDest());
final Deployment job = Deployment.of(jobId,
options.getBoolean(noStartArg.getDest()) ? STOP : START);
if (!json) {
out.printf("Deploying %s on %s%n", job, hosts);
}
int code = 0;
final HostResolver resolver = HostResolver.create(client);
final List<String> resolvedHosts = Lists.newArrayList();
for (final String candidateHost : hosts) {
final String host = resolver.resolveName(candidateHost);
resolvedHosts.add(host);
if (!json) {
out.printf("%s: ", host);
}
final JobDeployResponse result = client.deploy(job, host).get();
if (result.getStatus() == JobDeployResponse.Status.OK) {
if (!json) {
out.printf("done%n");
} else {
out.printf(result.toJsonString());
}
} else {
if (!json) {
out.printf("failed: %s%n", result);
} else {
out.printf(result.toJsonString());
}
code = 1;
}
}
if (code == 0 && options.getBoolean(watchArg.getDest())) {
JobWatchCommand.watchJobsOnHosts(out, true, resolvedHosts, ImmutableList.of(jobId),
options.getInt(intervalArg.getDest()), client);
}
return code;
}
}