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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.noderepository;
import com.google.common.collect.Sets;
import com.yahoo.application.Networking;
import com.yahoo.application.container.JDisc;
import com.yahoo.vespa.applicationmodel.HostName;
import com.yahoo.vespa.hosted.node.admin.ContainerNodeSpec;
import com.yahoo.vespa.hosted.node.admin.docker.ContainerName;
import com.yahoo.vespa.hosted.node.admin.docker.DockerImage;
import com.yahoo.vespa.hosted.provision.testutils.ContainerConfig;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.net.ServerSocket;
import java.time.Instant;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
/**
* Tests the NodeRepository class used for talking to the node repository. It uses a mock from the node repository
* which already contains some data.
*
* @author dybdahl
*/
public class NodeRepositoryImplTest {
private JDisc container;
private int port;
private final Set<HostName> configServerHosts = Sets.newHashSet(new HostName("127.0.0.1"));
private int findRandomOpenPort() throws IOException {
try (ServerSocket socket = new ServerSocket(0)) {
return socket.getLocalPort();
}
}
/**
* Starts NodeRepository with
* {@link com.yahoo.vespa.hosted.provision.testutils.MockNodeFlavors}
* {@link com.yahoo.vespa.hosted.provision.testutils.MockNodeRepository}
* {@link com.yahoo.vespa.hosted.provision.restapi.v2.NodesApiHandler}
* These classes define some test data that is used in these tests.
*/
@Before
public void startContainer() throws Exception {
port = findRandomOpenPort();
System.err.println("PORT IS " + port);
container = JDisc.fromServicesXml(ContainerConfig.servicesXmlV2(port), Networking.enable);
}
private void waitForJdiscContainerToServe() throws InterruptedException {
Instant start = Instant.now();
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(Sets.newHashSet(new HostName("127.0.0.1")), port, "foobar");
while (Instant.now().minusSeconds(120).isBefore(start)) {
try {
nodeRepositoryApi.getContainersToRun();
return;
} catch (Exception e) {
Thread.sleep(100);
}
}
throw new RuntimeException("Could not get answer from container.");
}
@After
public void stopContainer() {
if (container != null) {
container.close();
}
}
@Test
public void testGetContainersToRunAPi() throws IOException, InterruptedException {
waitForJdiscContainerToServe();
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(configServerHosts, port, "dockerhost4");
final List<ContainerNodeSpec> containersToRun = nodeRepositoryApi.getContainersToRun();
assertThat(containersToRun.size(), is(1));
final ContainerNodeSpec nodeSpec = containersToRun.get(0);
assertThat(nodeSpec.hostname, is(new HostName("host4.yahoo.com")));
assertThat(nodeSpec.wantedDockerImage.get(), is(new DockerImage("image-123")));
assertThat(nodeSpec.containerName, is(new ContainerName("host4")));
assertThat(nodeSpec.nodeState, is(NodeState.RESERVED));
assertThat(nodeSpec.wantedRestartGeneration.get(), is(0L));
assertThat(nodeSpec.currentRestartGeneration.get(), is(0L));
assertThat(nodeSpec.minCpuCores.get(), is(2.0));
assertThat(nodeSpec.minMainMemoryAvailableGb.get(), is(16.0));
assertThat(nodeSpec.minDiskAvailableGb.get(), is(400.0));
}
@Test
public void testGetContainers() throws InterruptedException, IOException {
waitForJdiscContainerToServe();
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(configServerHosts, port, "dockerhost4");
HostName hostname = new HostName("host4.yahoo.com");
Optional<ContainerNodeSpec> nodeSpec = nodeRepositoryApi.getContainerNodeSpec(hostname);
assertThat(nodeSpec.isPresent(), is(true));
assertThat(nodeSpec.get().hostname, is(hostname));
assertThat(nodeSpec.get().containerName, is(new ContainerName("host4")));
}
@Test
public void testUpdateNodeAttributes() throws InterruptedException, IOException {
waitForJdiscContainerToServe();
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(configServerHosts, port, "dockerhost4");
HostName hostname = new HostName("host4.yahoo.com");
nodeRepositoryApi.updateNodeAttributes(hostname, 1L, new DockerImage("image-1"), "6.2.3");
}
@Test(expected = RuntimeException.class)
public void testUpdateNodeAttributesWithBadValue() throws InterruptedException, IOException {
waitForJdiscContainerToServe();
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(configServerHosts, port, "dockerhost4");
HostName hostname = new HostName("host4.yahoo.com");
nodeRepositoryApi.updateNodeAttributes(hostname, 1L, new DockerImage("image-1"), "6.2.3\n");
}
@Test
public void testMarkAsReady() throws InterruptedException, IOException {
NodeRepository nodeRepositoryApi = new NodeRepositoryImpl(configServerHosts, port, "dockerhost4");
waitForJdiscContainerToServe();
nodeRepositoryApi.markAsReady(new HostName("host55.yahoo.com"));
try {
nodeRepositoryApi.markAsReady(new HostName("host1.yahoo.com"));
fail("Expected failure because host1 is not registered as provisioned, dirty, failed or parked");
} catch (RuntimeException ignored) {
// expected
}
try {
nodeRepositoryApi.markAsReady(new HostName("host101.yahoo.com"));
fail("Expected failure because host101 does not exist");
} catch (RuntimeException ignored) {
// expected
}
}
}
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