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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.config.server.http.v2;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ApplicationName;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.HostFilter;
import com.yahoo.config.provision.HostSpec;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.ProvisionLogger;
import com.yahoo.config.provision.Provisioner;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.container.logging.AccessLog;
import com.yahoo.jdisc.Response;
import com.yahoo.jdisc.http.HttpRequest;
import com.yahoo.path.Path;
import com.yahoo.slime.JsonFormat;
import com.yahoo.transaction.NestedTransaction;
import com.yahoo.vespa.config.server.ApplicationRepository;
import com.yahoo.vespa.config.server.PathProvider;
import com.yahoo.vespa.config.server.application.ApplicationConvergenceChecker;
import com.yahoo.vespa.config.server.application.HttpProxy;
import com.yahoo.vespa.config.server.application.LogServerLogGrabber;
import com.yahoo.vespa.config.server.application.MemoryTenantApplications;
import com.yahoo.vespa.config.server.http.HttpErrorResponse;
import com.yahoo.vespa.config.server.http.SessionActiveHandlerTestBase;
import com.yahoo.vespa.config.server.http.SessionHandler;
import com.yahoo.vespa.config.server.http.SessionHandlerTest;
import com.yahoo.vespa.config.server.http.SimpleHttpFetcher;
import com.yahoo.vespa.config.server.provision.HostProvisionerProvider;
import com.yahoo.vespa.config.server.session.LocalSessionRepo;
import com.yahoo.vespa.config.server.session.RemoteSession;
import com.yahoo.vespa.config.server.session.RemoteSessionRepo;
import com.yahoo.vespa.config.server.session.Session;
import com.yahoo.vespa.config.server.session.SessionFactory;
import com.yahoo.vespa.config.server.session.SessionZooKeeperClient;
import com.yahoo.vespa.config.server.zookeeper.ConfigCurator;
import com.yahoo.vespa.curator.mock.MockCurator;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Collection;
import java.util.List;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
public class SessionActiveHandlerTest extends SessionActiveHandlerTestBase {
private MockProvisioner hostProvisioner;
@Before
public void setup() throws Exception {
tenant = TenantName.from("activatetest");
remoteSessionRepo = new RemoteSessionRepo();
applicationRepo = new MemoryTenantApplications();
curator = new MockCurator();
configCurator = ConfigCurator.create(curator);
localRepo = new LocalSessionRepo(applicationRepo);
pathPrefix = "/application/v2/tenant/" + tenant + "/session/";
pathProvider = new PathProvider(Path.createRoot());
activatedMessage = " for tenant '" + tenant + "' activated.";
hostProvisioner = new MockProvisioner();
}
@Test
public void testActivation() throws Exception {
activateAndAssertOK(1, 0);
}
@Test
public void testActivationWithActivationInBetween() throws Exception {
activateAndAssertOK(90l, 0l);
activateAndAssertError(92l, 89l,
HttpErrorResponse.errorCodes.BAD_REQUEST,
"tenant:"+tenant+" app:default:default Cannot activate session 92 because the currently active session (90) has changed since session 92 was created (was 89 at creation time)");
}
@Test
public void testActivationOfUnpreparedSession() throws Exception {
// Needed so we can test that previous active session is still active after a failed activation
RemoteSession firstSession = activateAndAssertOK(90l, 0l);
long sessionId = 91L;
ActivateRequest activateRequest = new ActivateRequest(sessionId, 0l, Session.Status.NEW, "").invoke();
HttpResponse actResponse = activateRequest.getActResponse();
RemoteSession session = activateRequest.getSession();
assertThat(actResponse.getStatus(), is(Response.Status.BAD_REQUEST));
assertThat(getRenderedString(actResponse), is("{\"error-code\":\"BAD_REQUEST\",\"message\":\"tenant:"+tenant+" app:default:default Session " + sessionId + " is not prepared\"}"));
assertThat(session.getStatus(), is(not(Session.Status.ACTIVATE)));
assertThat(firstSession.getStatus(), is(Session.Status.ACTIVATE));
}
@Test
public void require_that_handler_gives_error_for_unsupported_methods() throws Exception {
testUnsupportedMethod(SessionHandlerTest.createTestRequest(pathPrefix, HttpRequest.Method.POST, Cmd.PREPARED, 1L));
testUnsupportedMethod(SessionHandlerTest.createTestRequest(pathPrefix, HttpRequest.Method.DELETE, Cmd.PREPARED, 1L));
testUnsupportedMethod(SessionHandlerTest.createTestRequest(pathPrefix, HttpRequest.Method.GET, Cmd.PREPARED, 1L));
}
@Test
@Ignore
public void require_that_handler_gives_error_when_provisioner_activated_fails() throws Exception {
hostProvisioner = new FailingMockProvisioner();
hostProvisioner.activated = false;
activateAndAssertError(1, 0, HttpErrorResponse.errorCodes.BAD_REQUEST, "Cannot activate application");
assertFalse(hostProvisioner.activated);
}
@Override
protected RemoteSession activateAndAssertOK(long sessionId, long previousSessionId) throws Exception {
ActivateRequest activateRequest = activateAndAssertOKPut(sessionId, previousSessionId, "");
return activateRequest.getSession();
}
@Override
protected Session activateAndAssertOK(long sessionId, long previousSessionId, String subPath) throws Exception {
ActivateRequest activateRequest = activateAndAssertOKPut(sessionId, previousSessionId, subPath);
return activateRequest.getSession();
}
@Override
protected void assertActivationMessageOK(ActivateRequest activateRequest, String message) throws IOException {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
new JsonFormat(true).encode(byteArrayOutputStream, activateRequest.getMetaData().getSlime());
assertThat(message, containsString("\"tenant\":\"" + tenant + "\",\"message\":\"Session " + activateRequest.getSessionId() + activatedMessage));
assertThat(message, containsString("/application/v2/tenant/" + tenant +
"/application/" + appName +
"/environment/" + "prod" +
"/region/" + "default" +
"/instance/" + "default"));
assertTrue(hostProvisioner.activated);
assertThat(hostProvisioner.lastHosts.size(), is(1));
}
@Override
protected void activateAndAssertError(long sessionId, long previousSessionId, HttpErrorResponse.errorCodes errorCode, String expectedError) throws Exception {
hostProvisioner.activated = false;
activateAndAssertErrorPut(sessionId, previousSessionId, errorCode, expectedError);
assertFalse(hostProvisioner.activated);
}
@Override
protected void writeApplicationId(SessionZooKeeperClient zkc, String applicationName) {
ApplicationId id = ApplicationId.from(tenant,
ApplicationName.from(applicationName), InstanceName.defaultName());
zkc.writeApplicationId(id);
}
@Override
protected String getActivateLogPre() {
return "tenant:testtenant, app:default:default ";
}
@Override
protected SessionHandler createHandler() throws Exception {
final SessionFactory sessionFactory = new MockSessionFactory();
TestTenantBuilder testTenantBuilder = new TestTenantBuilder();
testTenantBuilder.createTenant(tenant)
.withSessionFactory(sessionFactory)
.withLocalSessionRepo(localRepo)
.withRemoteSessionRepo(remoteSessionRepo)
.withApplicationRepo(applicationRepo)
.build();
return new SessionActiveHandler(
Runnable::run,
AccessLog.voidAccessLog(),
testTenantBuilder.createTenants(),
Zone.defaultZone(),
new ApplicationRepository(testTenantBuilder.createTenants(),
HostProvisionerProvider.withProvisioner(hostProvisioner),
curator,
new LogServerLogGrabber(),
new ApplicationConvergenceChecker(),
new HttpProxy(new SimpleHttpFetcher()),
new ConfigserverConfig(new ConfigserverConfig.Builder())));
}
public static class MockProvisioner implements Provisioner {
boolean activated = false;
boolean removed = false;
boolean restarted = false;
ApplicationId lastApplicationId;
Collection<HostSpec> lastHosts;
@Override
public List<HostSpec> prepare(ApplicationId applicationId, ClusterSpec cluster, Capacity capacity, int groups, ProvisionLogger logger) {
throw new UnsupportedOperationException();
}
@Override
public void activate(NestedTransaction transaction, ApplicationId application, Collection<HostSpec> hosts) {
transaction.commit();
activated = true;
lastApplicationId = application;
lastHosts = hosts;
}
@Override
public void remove(NestedTransaction transaction, ApplicationId application) {
removed = true;
lastApplicationId = application;
}
@Override
public void restart(ApplicationId application, HostFilter filter) {
restarted = true;
lastApplicationId = application;
}
}
public static class FailingMockProvisioner extends MockProvisioner {
@Override
public void activate(NestedTransaction transaction, ApplicationId application, Collection<HostSpec> hosts) {
throw new IllegalArgumentException("Cannot activate application");
}
@Override
public void remove(NestedTransaction transaction, ApplicationId application) {
throw new IllegalArgumentException("Cannot remove application");
}
}
}
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