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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.config.server.session;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.component.Version;
import com.yahoo.config.FileReference;
import com.yahoo.config.model.api.Quota;
import com.yahoo.config.model.api.TenantSecretStore;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.TenantName;
import com.yahoo.path.Path;
import com.yahoo.text.Utf8;
import com.yahoo.vespa.config.server.tenant.TenantRepository;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.time.Instant;
import java.util.List;
import java.util.Optional;
import static com.yahoo.vespa.config.server.session.SessionData.APPLICATION_ID_PATH;
import static com.yahoo.vespa.config.server.session.SessionData.SESSION_DATA_PATH;
import static com.yahoo.vespa.config.server.zookeeper.ZKApplication.SESSIONSTATE_ZK_SUBPATH;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Ulf Lilleengen
*/
public class SessionZooKeeperClientTest {
private static final TenantName tenantName = TenantName.defaultName();
private Curator curator;
@SuppressWarnings("deprecation")
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Before
public void setup() {
curator = new MockCurator();
curator.create(sessionsPath());
}
@Test
public void require_that_status_can_be_updated() {
SessionZooKeeperClient zkc = createSessionZKClient(1);
zkc.writeStatus(Session.Status.NEW);
assertEquals(Session.Status.NEW, zkc.readStatus());
zkc.writeStatus(Session.Status.PREPARE);
assertEquals(Session.Status.PREPARE, zkc.readStatus());
zkc.writeStatus(Session.Status.ACTIVATE);
assertEquals(Session.Status.ACTIVATE, zkc.readStatus());
zkc.writeStatus(Session.Status.DEACTIVATE);
assertEquals(Session.Status.DEACTIVATE, zkc.readStatus());
}
@Test
public void require_that_status_is_written_to_zk() {
int sessionId = 2;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
zkc.writeStatus(Session.Status.NEW);
Path path = sessionPath(sessionId).append(SESSIONSTATE_ZK_SUBPATH);
assertTrue(curator.exists(path));
assertEquals("NEW", Utf8.toString(curator.getData(path).get()));
}
@Test
public void require_that_status_is_read_from_zk() {
int sessionId = 3;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
curator.set(sessionPath(sessionId).append(SESSIONSTATE_ZK_SUBPATH), Utf8.toBytes("PREPARE"));
assertEquals(Session.Status.PREPARE, zkc.readStatus());
}
@Test
public void require_that_application_id_is_written_to_zk() {
ApplicationId id = new ApplicationId.Builder()
.tenant(tenantName)
.applicationName("foo")
.instanceName("bim")
.build();
int sessionId = 3;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
zkc.writeApplicationId(id);
Path path = sessionPath(sessionId).append(APPLICATION_ID_PATH);
assertTrue(curator.exists(path));
assertEquals(id.serializedForm(), Utf8.toString(curator.getData(path).get()));
}
@Test
public void require_that_wrong_application_gives_exception() {
ApplicationId id = new ApplicationId.Builder()
.tenant("someOtherTenant")
.applicationName("foo")
.instanceName("bim")
.build();
int sessionId = 3;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
expectedException.expect(IllegalArgumentException.class);
expectedException.expectMessage("Cannot write application id 'someOtherTenant.foo.bim' for tenant 'default'");
zkc.writeApplicationId(id);
}
@Test
public void require_that_application_id_is_read_from_zk() {
ApplicationId id = new ApplicationId.Builder()
.tenant("tenant")
.applicationName("bar")
.instanceName("quux")
.build();
String idNoVersion = id.serializedForm();
assertApplicationIdParse(3, idNoVersion, idNoVersion);
}
@Test
public void require_that_create_time_can_be_written_and_read() {
int sessionId = 3;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
curator.delete(sessionPath(sessionId));
assertEquals(Instant.EPOCH, zkc.readCreateTime());
Instant now = Instant.now();
zkc.createNewSession(now);
// resolution is in seconds, so need to go back use that when comparing
assertEquals(Instant.ofEpochSecond(now.getEpochSecond()), zkc.readCreateTime());
}
@Test
public void require_that_application_package_file_reference_can_be_written_and_read() {
final FileReference testRef = new FileReference("test-ref");
SessionZooKeeperClient zkc = createSessionZKClient(3);
zkc.writeApplicationPackageReference(Optional.of(testRef));
assertEquals(testRef, zkc.readApplicationPackageReference().get());
}
@Test
public void require_quota_written_and_parsed() {
var quota = Optional.of(new Quota(Optional.of(23), Optional.of(32)));
var zkc = createSessionZKClient(4);
zkc.writeQuota(quota);
assertEquals(quota, zkc.readQuota());
}
@Test
public void require_tenant_secret_stores_written_and_parsed() {
var secretStores = List.of(
new TenantSecretStore("name1", "awsId1", "role1"),
new TenantSecretStore("name2", "awsId2", "role2")
);
var zkc = createSessionZKClient(4);
zkc.writeTenantSecretStores(secretStores);
assertEquals(secretStores, zkc.readTenantSecretStores());
}
@Test
public void require_that_session_data_is_written_to_zk() {
int sessionId = 2;
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
zkc.writeSessionData(new SessionData(ApplicationId.defaultId(),
Optional.of(new FileReference("foo")),
Version.fromString("8.195.1"),
Instant.now(),
Optional.empty(),
Optional.empty(),
Optional.empty(),
List.of(),
List.of(),
Optional.empty(),
List.of()));
Path path = sessionPath(sessionId).append(SESSION_DATA_PATH);
assertTrue(curator.exists(path));
String data = Utf8.toString(curator.getData(path).get());
assertTrue(data.contains("{\"applicationId\":\"default:default:default\",\"applicationPackageReference\":\"foo\",\"version\":\"8.195.1\",\"createTime\":"));
assertTrue(data.contains(",\"tenantSecretStores\":[],\"operatorCertificates\":[],\"dataplaneTokens\":[]}"));
}
private void assertApplicationIdParse(long sessionId, String idString, String expectedIdString) {
SessionZooKeeperClient zkc = createSessionZKClient(sessionId);
Path path = sessionPath(sessionId).append(APPLICATION_ID_PATH);
curator.set(path, Utf8.toBytes(idString));
assertEquals(expectedIdString, zkc.readApplicationId().serializedForm());
}
private SessionZooKeeperClient createSessionZKClient(long sessionId) {
SessionZooKeeperClient zkc = new SessionZooKeeperClient(curator,
tenantName,
sessionId,
new ConfigserverConfig.Builder().build());
zkc.createNewSession(Instant.now());
return zkc;
}
private static Path sessionsPath() {
return TenantRepository.getSessionsPath(tenantName);
}
private static Path sessionPath(long sessionId) {
return sessionsPath().append(String.valueOf(sessionId));
}
}
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