/*
* 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.system;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.spotify.helios.ZooKeeperTestingClusterManager;
import com.spotify.helios.ZooKeeperTestManager;
import com.spotify.helios.agent.AgentMain;
import com.spotify.helios.client.HeliosClient;
import com.spotify.helios.common.descriptors.Deployment;
import com.spotify.helios.common.descriptors.Job;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.protocol.CreateJobResponse;
import com.spotify.helios.common.protocol.JobDeployResponse;
import com.spotify.helios.common.protocol.JobUndeployResponse;
import org.junit.Before;
import org.junit.Test;
import java.util.List;
import java.util.concurrent.ExecutionException;
import static com.google.common.base.Optional.fromNullable;
import static com.spotify.helios.common.descriptors.Goal.START;
import static com.spotify.helios.common.descriptors.HostStatus.Status.UP;
import static com.spotify.helios.common.descriptors.TaskStatus.State.RUNNING;
import static java.lang.System.getenv;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
public class ClusterDeploymentTest extends SystemTestBase {
public static final int HOSTS =
Integer.valueOf(fromNullable(getenv("HELIOS_CLUSTER_DEPLOYMENT_TEST_HOSTS")).or("10"));
private final Job job = Job.newBuilder()
.setName("foo")
.setVersion(testJobVersion)
.setImage(BUSYBOX)
.setCommand(IDLE_COMMAND)
.build();
private final ZooKeeperTestingClusterManager zkc = new ZooKeeperTestingClusterManager();
private HeliosClient client;
@Override
protected ZooKeeperTestManager zooKeeperTestManager() {
return zkc;
}
@Before
public void setup() throws Exception {
startDefaultMaster();
client = defaultClient();
}
@Test
public void verifyCanDeployOnSeveralHosts() throws Exception {
final CreateJobResponse created = client.createJob(job).get();
assertEquals(CreateJobResponse.Status.OK, created.getStatus());
final List<AgentMain> agents = Lists.newArrayList();
for (int i = 0; i < HOSTS; i++) {
final AgentMain agent =
startDefaultAgent(host(i), "--no-http", "--no-metrics");
agents.add(agent);
}
for (final AgentMain agent : agents) {
agent.awaitRunning();
}
for (int i = 0; i < HOSTS; i++) {
awaitHostStatus(client, host(i), UP, LONG_WAIT_SECONDS, SECONDS);
}
for (int i = 0; i < HOSTS; i++) {
deploy(job, host(i));
}
for (int i = 0; i < HOSTS; i++) {
awaitJobState(client, host(i), job.getId(), RUNNING, LONG_WAIT_SECONDS, SECONDS);
}
for (int i = 0; i < HOSTS; i++) {
undeploy(job.getId(), host(i));
}
for (int i = 0; i < HOSTS; i++) {
awaitTaskGone(client, host(i), job.getId(), LONG_WAIT_SECONDS, SECONDS);
}
}
private String host(final int i) throws InterruptedException, ExecutionException {
return testHost() + i;
}
private void deploy(final Job job, final String host) throws Exception {
Futures.addCallback(client.deploy(Deployment.of(job.getId(), START), host),
new FutureCallback<JobDeployResponse>() {
@Override
public void onSuccess(final JobDeployResponse result) {
assertEquals(JobDeployResponse.Status.OK, result.getStatus());
}
@Override
public void onFailure(final Throwable t) {
fail("deploy failed");
}
});
}
private void undeploy(final JobId jobId, final String host) throws Exception {
Futures.addCallback(client.undeploy(jobId, host), new FutureCallback<JobUndeployResponse>() {
@Override
public void onSuccess(final JobUndeployResponse result) {
assertEquals(JobUndeployResponse.Status.OK, result.getStatus());
}
@Override
public void onFailure(final Throwable t) {
fail("undeploy failed");
}
});
}
}