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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.docker;
import com.yahoo.vespa.hosted.dockerapi.Container;
import com.yahoo.vespa.hosted.dockerapi.ContainerName;
import com.yahoo.vespa.hosted.dockerapi.Docker;
import com.yahoo.vespa.hosted.dockerapi.DockerImage;
import com.yahoo.vespa.hosted.dockerapi.ProcessResult;
import com.yahoo.vespa.hosted.node.admin.util.Environment;
import org.hamcrest.CoreMatchers;
import org.junit.Test;
import org.mockito.InOrder;
import java.util.Optional;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyVararg;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.when;
public class DockerOperationsImplTest {
private final Environment environment = new Environment.Builder().build();
private final Docker docker = mock(Docker.class);
private final DockerOperationsImpl dockerOperations = new DockerOperationsImpl(docker, environment);
@Test
public void processResultFromNodeProgramWhenSuccess() throws Exception {
final ContainerName containerName = new ContainerName("container-name");
final ProcessResult actualResult = new ProcessResult(0, "output", "errors");
final String programPath = "/bin/command";
final String[] command = new String[]{programPath, "arg"};
when(docker.executeInContainerAsRoot(any(), anyVararg()))
.thenReturn(actualResult); // output from node program
ProcessResult result = dockerOperations.executeCommandInContainer(containerName, command);
final InOrder inOrder = inOrder(docker);
inOrder.verify(docker, times(1)).executeInContainerAsRoot(
eq(containerName),
eq(command[0]),
eq(command[1]));
assertThat(result, is(actualResult));
}
@Test(expected = RuntimeException.class)
public void processResultFromNodeProgramWhenNonZeroExitCode() throws Exception {
final ContainerName containerName = new ContainerName("container-name");
final ProcessResult actualResult = new ProcessResult(3, "output", "errors");
final String programPath = "/bin/command";
final String[] command = new String[]{programPath, "arg"};
when(docker.executeInContainerAsRoot(any(), anyVararg()))
.thenReturn(actualResult); // output from node program
dockerOperations.executeCommandInContainer(containerName, command);
}
@Test
public void vespaVersionIsParsed() {
assertThat(DockerOperationsImpl.parseVespaVersion("5.119.53"), CoreMatchers.is(Optional.of("5.119.53")));
}
@Test
public void vespaVersionIsParsedWithSpacesAndNewlines() {
assertThat(DockerOperationsImpl.parseVespaVersion("5.119.53\n"), CoreMatchers.is(Optional.of("5.119.53")));
assertThat(DockerOperationsImpl.parseVespaVersion(" 5.119.53 \n"), CoreMatchers.is(Optional.of("5.119.53")));
assertThat(DockerOperationsImpl.parseVespaVersion("\n 5.119.53 \n"), CoreMatchers.is(Optional.of("5.119.53")));
}
@Test
public void vespaVersionIsParsedWithIrregularVersionScheme() {
assertThat(DockerOperationsImpl.parseVespaVersion("7.2"), CoreMatchers.is(Optional.of("7.2")));
assertThat(DockerOperationsImpl.parseVespaVersion("8.0-beta"), CoreMatchers.is(Optional.of("8.0-beta")));
assertThat(DockerOperationsImpl.parseVespaVersion("foo"), CoreMatchers.is(Optional.of("foo")));
assertThat(DockerOperationsImpl.parseVespaVersion("119"), CoreMatchers.is(Optional.of("119")));
}
@Test
public void vespaVersionIsNotParsedFromNull() {
assertThat(DockerOperationsImpl.parseVespaVersion(null), CoreMatchers.is(Optional.empty()));
}
@Test
public void vespaVersionIsNotParsedFromEmptyString() {
assertThat(DockerOperationsImpl.parseVespaVersion(""), CoreMatchers.is(Optional.empty()));
}
@Test
public void vespaVersionIsNotParsedFromUnexpectedContent() {
assertThat(DockerOperationsImpl.parseVespaVersion("No such command 'vespanodectl'"), CoreMatchers.is(Optional.empty()));
}
@Test
public void runsCommandInNetworkNamespace() {
Container container = makeContainer("container-42", Container.State.RUNNING, 42);
DockerOperationsImpl dockerOperations = new DockerOperationsImpl(docker, environment);
when(docker.executeInContainerAsRoot(eq(new ContainerName("node-admin")), eq(60L),
eq("nsenter"), eq("--net=/host/proc/42/ns/net"), eq("--"), eq("iptables"), eq("-nvL")))
.thenReturn(new ProcessResult(0, "", ""));
dockerOperations.executeCommandInNetworkNamespace(container.name, "iptables", "-nvL");
}
private Container makeContainer(String name, Container.State state, int pid) {
final Container container = new Container(name + ".fqdn", new DockerImage("mock"),
new ContainerName(name), state, pid);
when(docker.getContainer(eq(container.name))).thenReturn(Optional.of(container));
return container;
}
}
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