/*
* 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.spotify.docker.client.DockerClient;
import com.spotify.docker.client.LogStream;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.descriptors.TaskStatus;
import org.junit.Test;
import static com.spotify.docker.client.DockerClient.LogsParameter.STDERR;
import static com.spotify.docker.client.DockerClient.LogsParameter.STDOUT;
import static com.spotify.helios.common.descriptors.HostStatus.Status.UP;
import static com.spotify.helios.common.descriptors.TaskStatus.State.EXITED;
import static java.util.Arrays.asList;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
public class DnsServerTest extends SystemTestBase {
@Test
public void testDnsParam() throws Exception {
final String server1 = "127.0.0.1";
final String server2 = "127.0.0.2";
startDefaultMaster();
startDefaultAgent(testHost(), "--dns", server1, "--dns", server2);
awaitHostStatus(testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
final JobId jobId = createJob(testJobName, testJobVersion, BUSYBOX,
asList("cat", "/etc/resolv.conf"));
deployJob(jobId, testHost());
final TaskStatus taskStatus = awaitTaskState(jobId, testHost(), EXITED);
try (final DockerClient dockerClient = getNewDockerClient()) {
final LogStream logs = dockerClient.logs(taskStatus.getContainerId(), STDOUT, STDERR);
final String log = logs.readFully();
assertThat(log, containsString(server1));
assertThat(log, containsString(server2));
}
}
@Test
public void testNoDnsParam() throws Exception {
startDefaultMaster();
startDefaultAgent(testHost());
awaitHostStatus(testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
final JobId jobId = createJob(testJobName, testJobVersion, BUSYBOX,
asList("cat", "/etc/resolv.conf"));
deployJob(jobId, testHost());
final TaskStatus taskStatus = awaitTaskState(jobId, testHost(), EXITED);
try (final DockerClient dockerClient = getNewDockerClient()) {
final LogStream logs = dockerClient.logs(taskStatus.getContainerId(), STDOUT, STDERR);
final String log = logs.readFully();
// Verify that a nameserver is set even if we don't specify the --dns param
assertThat(log, containsString("nameserver"));
}
}
}