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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.deploy;
import com.google.common.io.Files;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.config.model.api.ModelFactory;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ApplicationName;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.Version;
import com.yahoo.test.ManualClock;
import com.yahoo.vespa.config.server.session.LocalSession;
import com.yahoo.vespa.config.server.session.Session;
import org.junit.Test;
import java.io.IOException;
import java.time.Clock;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
/**
* Tests redeploying of an already existing application.
*
* @author bratseth
*/
public class RedeployTest {
@Test
public void testRedeploy() throws InterruptedException, IOException {
DeployTester tester = new DeployTester("src/test/apps/app");
tester.deployApp("myapp", Instant.now());
Optional<com.yahoo.config.provision.Deployment> deployment = tester.redeployFromLocalActive();
assertTrue(deployment.isPresent());
long activeSessionIdBefore = tester.applicationRepository().getActiveSession(tester.applicationId()).getSessionId();
assertEquals(tester.applicationId(), tester.tenant().getLocalSessionRepo().getSession(activeSessionIdBefore).getApplicationId());
deployment.get().prepare();
deployment.get().activate();
long activeSessionIdAfter = tester.applicationRepository().getActiveSession(tester.applicationId()).getSessionId();
assertEquals(activeSessionIdAfter, activeSessionIdBefore + 1);
assertEquals(tester.applicationId(), tester.tenant().getLocalSessionRepo().getSession(activeSessionIdAfter).getApplicationId());
}
/** No deployment is done because there is no local active session. */
@Test
public void testNoRedeploy() {
List<ModelFactory> modelFactories = new ArrayList<>();
modelFactories.add(DeployTester.createModelFactory(Clock.systemUTC()));
modelFactories.add(DeployTester.createFailingModelFactory(Version.fromIntValues(1, 0, 0)));
DeployTester tester = new DeployTester("ignored/app/path", modelFactories);
ApplicationId id = ApplicationId.from(tester.tenant().getName(),
ApplicationName.from("default"),
InstanceName.from("default"));
assertFalse(tester.redeployFromLocalActive(id).isPresent());
}
@Test
public void testRedeployWillPurgeOldNonActiveDeployments() {
ManualClock clock = new ManualClock(Instant.now());
ConfigserverConfig configserverConfig = new ConfigserverConfig(new ConfigserverConfig.Builder()
.configServerDBDir(Files.createTempDir()
.getAbsolutePath())
.configDefinitionsDir(Files.createTempDir()
.getAbsolutePath())
.sessionLifetime(60));
DeployTester tester = new DeployTester("src/test/apps/app", configserverConfig, clock);
tester.deployApp("myapp", Instant.now()); // session 2 (numbering starts at 2)
clock.advance(Duration.ofSeconds(10));
Optional<com.yahoo.config.provision.Deployment> deployment2 = tester.redeployFromLocalActive();
assertTrue(deployment2.isPresent());
deployment2.get().activate(); // session 3
long activeSessionId = tester.tenant().getApplicationRepo().getSessionIdForApplication(tester.applicationId());
clock.advance(Duration.ofSeconds(10));
Optional<com.yahoo.config.provision.Deployment> deployment3 = tester.redeployFromLocalActive();
assertTrue(deployment3.isPresent());
deployment3.get().prepare(); // session 4 (not activated)
LocalSession deployment3session = ((Deployment) deployment3.get()).session();
assertNotEquals(activeSessionId, deployment3session);
// No change to active session id
assertEquals(activeSessionId, tester.tenant().getApplicationRepo().getSessionIdForApplication(tester.applicationId()));
assertEquals(3, tester.tenant().getLocalSessionRepo().listSessions().size());
clock.advance(Duration.ofHours(1)); // longer than session lifetime
// Need another deployment to get old sessions purged
Optional<com.yahoo.config.provision.Deployment> deployment4 = tester.redeployFromLocalActive();
assertTrue(deployment4.isPresent());
deployment4.get().activate(); // session 5
// Both session 2 (deactivated) and session 4 (never activated) should have been removed
final Collection<LocalSession> sessions = tester.tenant().getLocalSessionRepo().listSessions();
System.out.println(sessions);
assertEquals(2, sessions.size());
final Set<Long> sessionIds = sessions.stream().map(Session::getSessionId).collect(Collectors.toSet());
assertTrue(sessionIds.contains(3L));
assertTrue(sessionIds.contains(5L));
}
}
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