/*
* 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.ImmutableMap;
import com.fasterxml.jackson.core.type.TypeReference;
import com.spotify.docker.client.DockerClient;
import com.spotify.docker.client.LogStream;
import com.spotify.helios.Polling;
import com.spotify.helios.common.Json;
import com.spotify.helios.common.descriptors.HostStatus;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.descriptors.TaskStatus;
import org.junit.Test;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
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;
import static org.junit.Assert.assertEquals;
public class EnvironmentVariableTest extends SystemTestBase {
@Test
public void test() throws Exception {
startDefaultMaster();
startDefaultAgent(testHost(),
"--env",
"SPOTIFY_POD=PODNAME",
"SPOTIFY_ROLE=ROLENAME",
"BAR=badfood");
awaitHostStatus(testHost(), UP, LONG_WAIT_SECONDS, SECONDS);
// Wait for the agent to report environment vars
Polling.await(LONG_WAIT_SECONDS, SECONDS, new Callable<Object>() {
@Override
public Object call() throws Exception {
Map<String, HostStatus> status = Json.read(
cli("hosts", testHost(), "--json"),
new TypeReference<Map<String, HostStatus>>() {});
return status.get(testHost()).getEnvironment();
}
});
try (final DockerClient dockerClient = getNewDockerClient()) {
final List<String> command = asList("sh", "-c",
"echo pod: $SPOTIFY_POD; " +
"echo role: $SPOTIFY_ROLE; " +
"echo foo: $FOO; " +
"echo bar: $BAR");
// Create job
final JobId jobId = createJob(testJobName, testJobVersion, BUSYBOX, command,
ImmutableMap.of("FOO", "4711",
"BAR", "deadbeef"));
// deploy
deployJob(jobId, testHost());
final TaskStatus taskStatus = awaitTaskState(jobId, testHost(), EXITED);
final LogStream logs = dockerClient.logs(taskStatus.getContainerId(), STDOUT, STDERR);
final String log = logs.readFully();
assertThat(log, containsString("pod: PODNAME"));
assertThat(log, containsString("role: ROLENAME"));
assertThat(log, containsString("foo: 4711"));
// Verify that the the BAR environment variable in the job overrode the agent config
assertThat(log, containsString("bar: deadbeef"));
Map<String, HostStatus> status = Json.read(cli("hosts", testHost(), "--json"),
new TypeReference<Map<String, HostStatus>>() {});
assertEquals(ImmutableMap.of("SPOTIFY_POD", "PODNAME",
"SPOTIFY_ROLE", "ROLENAME",
"BAR", "badfood"),
status.get(testHost()).getEnvironment());
assertEquals(ImmutableMap.of("SPOTIFY_POD", "PODNAME",
"SPOTIFY_ROLE", "ROLENAME",
"BAR", "deadbeef",
"FOO", "4711"),
status.get(testHost()).getStatuses().get(jobId).getEnv());
}
}
}