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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.service.duper;
import com.yahoo.config.model.api.ApplicationInfo;
import com.yahoo.config.model.api.SuperModel;
import com.yahoo.config.model.api.SuperModelListener;
import com.yahoo.config.model.api.SuperModelProvider;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.HostName;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static com.yahoo.vespa.service.duper.DuperModelManager.configServerApplication;
import static com.yahoo.vespa.service.duper.DuperModelManager.controllerApplication;
import static com.yahoo.vespa.service.duper.DuperModelManager.proxyHostApplication;
import static org.junit.Assert.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
/**
* @author hakonhall
*/
public class DuperModelManagerTest {
private final SuperModelProvider superModelProvider = mock(SuperModelProvider.class);
private final SuperModel superModel = mock(SuperModel.class);
private final DuperModel duperModel = mock(DuperModel.class);
private DuperModelManager manager;
private SuperModelListener superModelListener;
private void makeManager(boolean isController) {
manager = new DuperModelManager(true, isController, superModelProvider, duperModel);
when(superModelProvider.getSuperModel()).thenReturn(superModel);
verify(duperModel, times(0)).add(any());
ArgumentCaptor<SuperModelListener> superModelListenerCaptor = ArgumentCaptor.forClass(SuperModelListener.class);
verify(superModelProvider, times(1)).registerListener(superModelListenerCaptor.capture());
superModelListener = superModelListenerCaptor.getValue();
}
@Test
public void testSuperModelAffectsDuperModel() {
makeManager(false);
verify(duperModel, times(0)).add(any());
superModelListener.applicationActivated(superModel, mock(ApplicationInfo.class));
verify(duperModel, times(1)).add(any());
verify(duperModel, times(0)).remove(any());
superModelListener.applicationRemoved(superModel, ApplicationId.from("tenant", "app", "default"));
verify(duperModel, times(1)).remove(any());
}
@Test
public void testInfraApplicationsAffectsDuperModel() {
makeManager(false);
ApplicationId id = proxyHostApplication.getApplicationId();
List<HostName> proxyHostHosts = Stream.of("proxyhost1", "proxyhost2").map(HostName::of).collect(Collectors.toList());
verify(duperModel, times(0)).add(any());
manager.infraApplicationActivated(id, proxyHostHosts);
verify(duperModel, times(1)).add(any());
verify(duperModel, times(0)).remove(any());
manager.infraApplicationRemoved(id);
verify(duperModel, times(1)).remove(any());
}
@Test
public void testEnabledConfigServerInfraApplications() {
makeManager(false);
testEnabledConfigServerLikeInfraApplication(
configServerApplication.getApplicationId(),
controllerApplication.getApplicationId());
}
@Test
public void testEnabledControllerInfraApplications() {
makeManager(true);
testEnabledConfigServerLikeInfraApplication(
controllerApplication.getApplicationId(),
configServerApplication.getApplicationId());
}
private void testEnabledConfigServerLikeInfraApplication(ApplicationId firstId, ApplicationId secondId) {
List<HostName> hostnames1 = Stream.of("node11", "node12").map(HostName::of).collect(Collectors.toList());
manager.infraApplicationActivated(firstId, hostnames1);
verify(duperModel, times(1)).add(any());
// Adding the second config server like application will be ignored
List<HostName> hostnames2 = Stream.of("node21", "node22").map(HostName::of).collect(Collectors.toList());
assertThrows(IllegalArgumentException.class, () -> manager.infraApplicationActivated(secondId, hostnames2));
verify(duperModel, times(1)).add(any());
// Removing the second config server like application cannot be removed since it wasn't added
verify(duperModel, times(0)).remove(any());
assertThrows(IllegalArgumentException.class, () -> manager.infraApplicationRemoved(secondId));
verify(duperModel, times(0)).remove(any());
manager.infraApplicationRemoved(firstId);
verify(duperModel, times(1)).remove(any());
}
private static void assertThrows(Class<? extends Throwable> clazz, Runnable runnable) {
try {
runnable.run();
fail("Expected " + clazz);
} catch (Throwable e) {
if (!clazz.isInstance(e)) throw e;
}
}
}
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