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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.model.container.configserver;
import com.yahoo.cloud.config.ConfigserverConfig;
import com.yahoo.cloud.config.CuratorConfig;
import com.yahoo.cloud.config.ZookeeperServerConfig;
import com.yahoo.config.ConfigInstance;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.model.producer.AbstractConfigProducerRoot;
import com.yahoo.config.model.test.MockRoot;
import com.yahoo.container.StatisticsConfig;
import com.yahoo.container.di.config.PlatformBundlesConfig;
import com.yahoo.container.jdisc.config.HealthMonitorConfig;
import com.yahoo.net.HostName;
import com.yahoo.text.XML;
import com.yahoo.vespa.defaults.Defaults;
import com.yahoo.vespa.model.HostResource;
import com.yahoo.vespa.model.container.Container;
import com.yahoo.vespa.model.container.ContainerModel;
import com.yahoo.vespa.model.container.ContainerModelEvaluation;
import com.yahoo.vespa.model.container.configserver.option.CloudConfigOptions;
import com.yahoo.vespa.model.container.xml.ConfigServerContainerModelBuilder;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Ulf Lilleengen
*/
public class ConfigserverClusterTest {
@Test
public void zookeeperConfig_default() {
ZookeeperServerConfig config = getConfig(ZookeeperServerConfig.class);
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::hostname, "localhost");
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::id, 0);
assertEquals(0, config.myid());
}
@Test
public void zookeeperConfig_only_config_servers_set_hosted() {
TestOptions testOptions = createTestOptions(Arrays.asList("cfg1", "localhost", "cfg3"), Collections.emptyList());
ZookeeperServerConfig config = getConfig(ZookeeperServerConfig.class, testOptions);
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::hostname, "cfg1", "localhost", "cfg3");
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::id, 0, 1, 2);
assertEquals(1, config.myid());
assertEquals("gz", config.snapshotMethod());
}
@Test
public void zookeeperConfig_with_config_servers_and_zk_ids_hosted() {
TestOptions testOptions = createTestOptions(Arrays.asList("cfg1", "localhost", "cfg3"), Arrays.asList(4, 2, 3));
ZookeeperServerConfig config = getConfig(ZookeeperServerConfig.class, testOptions);
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::hostname, "cfg1", "localhost", "cfg3");
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::id, 4, 2, 3);
assertEquals(2, config.myid());
}
@Test
public void zookeeperConfig_self_hosted() {
final boolean hostedVespa = false;
TestOptions testOptions = createTestOptions(Arrays.asList("cfg1", "localhost", "cfg3"), Arrays.asList(4, 2, 3), hostedVespa);
ZookeeperServerConfig config = getConfig(ZookeeperServerConfig.class, testOptions);
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::hostname, "cfg1", "localhost", "cfg3");
assertZookeeperServerProperty(config.server(), ZookeeperServerConfig.Server::id, 4, 2, 3);
assertEquals(2, config.myid());
assertEquals("", config.snapshotMethod());
}
@Test(expected = IllegalArgumentException.class)
public void zookeeperConfig_uneven_number_of_config_servers_and_zk_ids() {
TestOptions testOptions = createTestOptions(Arrays.asList("cfg1", "localhost", "cfg3"), Collections.singletonList(1));
getConfig(ZookeeperServerConfig.class, testOptions);
}
@Test(expected = IllegalArgumentException.class)
public void zookeeperConfig_negative_zk_id() {
TestOptions testOptions = createTestOptions(Arrays.asList("cfg1", "localhost", "cfg3"), Arrays.asList(1, 2, -1));
getConfig(ZookeeperServerConfig.class, testOptions);
}
@Test
public void testStatisticsConfig() {
StatisticsConfig config = getConfig(StatisticsConfig.class);
assertEquals(60, (int) config.collectionintervalsec());
assertEquals(60, (int) config.loggingintervalsec());
}
@Test
public void testHealthMonitorConfig() {
HealthMonitorConfig config = getConfig(HealthMonitorConfig.class);
assertEquals(60, (int) config.snapshot_interval());
}
@Test
public void testConfigserverConfig() {
ConfigserverConfig config = getConfig(ConfigserverConfig.class);
assertEquals(1, config.configModelPluginDir().size());
assertEquals(Defaults.getDefaults().underVespaHome("lib/jars/config-models"), config.configModelPluginDir().get(0));
assertEquals(12345, config.rpcport());
assertEquals(1337, config.httpport());
assertEquals(HostName.getLocalhost(), config.serverId());
assertTrue(config.useVespaVersionInRequest());
assertEquals(4, config.numParallelTenantLoaders());
assertFalse(config.multitenant());
assertTrue(config.hostedVespa());
assertEquals("test", config.environment());
assertEquals("bar", config.region());
}
@Test
public void testCuratorConfig() {
CuratorConfig config = getConfig(CuratorConfig.class);
assertEquals(1, config.server().size());
assertEquals("localhost", config.server().get(0).hostname());
assertEquals(2181, config.server().get(0).port());
assertTrue(config.zookeeperLocalhostAffinity());
}
@Test
public void model_evaluation_bundles_are_not_installed_via_config() {
// These bundles must be pre-installed because they are used by config-model.
PlatformBundlesConfig config = getConfig(PlatformBundlesConfig.class);
assertFalse(config.bundlePaths().contains(ContainerModelEvaluation.MODEL_INTEGRATION_BUNDLE_FILE.toString()));
assertFalse(config.bundlePaths().contains(ContainerModelEvaluation.MODEL_EVALUATION_BUNDLE_FILE.toString()));
}
@SuppressWarnings("varargs")
private static <T> void assertZookeeperServerProperty(
List<ZookeeperServerConfig.Server> zkServers, Function<ZookeeperServerConfig.Server, T> propertyMapper, T... expectedProperties) {
List<T> actualPropertyValues = zkServers.stream().map(propertyMapper).collect(Collectors.toList());
List<T> expectedPropertyValues = Arrays.asList(expectedProperties);
assertEquals(expectedPropertyValues, actualPropertyValues);
}
private static TestOptions createTestOptions(List<String> configServerHostnames, List<Integer> configServerZkIds) {
return createTestOptions(configServerHostnames, configServerZkIds, true);
}
private static TestOptions createTestOptions(List<String> configServerHostnames, List<Integer> configServerZkIds, boolean hostedVespa) {
TestOptions testOptions = new TestOptions()
.rpcPort(12345)
.useVespaVersionInRequest(true)
.hostedVespa(hostedVespa)
.environment("test")
.region("bar")
.zooKeeperSnapshotMethod(hostedVespa ? "gz" : "");
Optional.of(configServerHostnames)
.filter(hostnames -> !hostnames.isEmpty())
.map(hostnames -> hostnames.stream()
.map(hostname -> new CloudConfigOptions.ConfigServer(hostname, Optional.empty()))
.toArray(CloudConfigOptions.ConfigServer[]::new))
.ifPresent(testOptions::configServers);
Optional.of(configServerZkIds)
.filter(zkIds -> !zkIds.isEmpty())
.map(zkIds -> zkIds.stream().mapToInt(i -> i).toArray())
.ifPresent(testOptions::configServerZookeeperIds);
return testOptions;
}
private static <CONFIGTYPE extends ConfigInstance> CONFIGTYPE getConfig(Class<CONFIGTYPE> clazz) {
return getConfig(clazz, createTestOptions(Collections.emptyList(), Collections.emptyList()));
}
private static <CONFIGTYPE extends ConfigInstance> CONFIGTYPE getConfig(Class<CONFIGTYPE> clazz, TestOptions testOptions) {
AbstractConfigProducerRoot root = new MockRoot();
String services = "<container id='standalone' version='1.0'>"
+ " <http>"
+ " <server port='1337' id='configserver' />"
+ " </http>"
+ "</container>";
ContainerModel containerModel = new ConfigServerContainerModelBuilder(testOptions)
.build(new DeployState.Builder().build(), null, null, root, XML.getDocument(services).getDocumentElement());
// Simulate the behaviour of StandaloneContainer
List<? extends Container> containers = containerModel.getCluster().getContainers();
assertEquals("Standalone container", 1, containers.size());
HostResource hostResource = root.hostSystem().getHost(Container.SINGLENODE_CONTAINER_SERVICESPEC);
containers.get(0).setHostResource(hostResource);
root.freezeModelTopology();
return root.getConfig(clazz, "configserver/standalone");
}
}
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