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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.container;
import com.yahoo.config.provision.DockerImage;
import com.yahoo.vespa.hosted.node.admin.component.TestTaskContext;
import com.yahoo.vespa.test.file.TestFileSystem;
import org.junit.jupiter.api.Test;
import java.nio.file.FileSystem;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author mpolden
*/
public class ContainerOperationsTest {
private final TestTaskContext context = new TestTaskContext();
private final ContainerEngineMock containerEngine = new ContainerEngineMock();
private final FileSystem fileSystem = TestFileSystem.create();
private final ContainerOperations containerOperations = new ContainerOperations(containerEngine, new CGroupV2(fileSystem), fileSystem);
@Test
void no_managed_containers_running() {
Container c1 = createContainer("c1", true);
Container c2 = createContainer("c2", false);
containerEngine.addContainer(c1);
assertFalse(containerOperations.noManagedContainersRunning(context));
containerEngine.removeContainer(context, c1);
assertTrue(containerOperations.noManagedContainersRunning(context));
containerEngine.addContainer(c2);
assertTrue(containerOperations.noManagedContainersRunning(context));
}
@Test
void retain_managed_containers() {
Container c1 = createContainer("c1", true);
Container c2 = createContainer("c2", true);
Container c3 = createContainer("c3", false);
containerEngine.addContainers(List.of(c1, c2, c3));
assertEquals(3, containerEngine.listContainers(context).size());
containerOperations.retainManagedContainers(context, Set.of(c1.name()));
assertEquals(List.of(c1.name(), c3.name()), containerEngine.listContainers(context).stream()
.map(PartialContainer::name)
.sorted()
.collect(Collectors.toList()));
}
private Container createContainer(String name, boolean managed) {
return new Container(new ContainerId("id-of-" + name), new ContainerName(name), Instant.EPOCH, PartialContainer.State.running,
"image-id", DockerImage.EMPTY, Map.of(), 42, 43, name,
ContainerResources.UNLIMITED, List.of(), managed);
}
}
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