| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.zookeeper.cloud; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.cloud.ServiceDefinition; |
| import org.apache.camel.component.zookeeper.ZooKeeperTestSupport; |
| import org.apache.camel.test.AvailablePortFinder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.ExponentialBackoffRetry; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.apache.curator.x.discovery.ServiceDiscovery; |
| import org.apache.curator.x.discovery.ServiceDiscoveryBuilder; |
| import org.apache.curator.x.discovery.ServiceInstance; |
| import org.apache.curator.x.discovery.details.JsonInstanceSerializer; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| public abstract class ZooKeeperServiceRegistrationTestBase extends CamelTestSupport { |
| protected static final String SERVICE_ID = UUID.randomUUID().toString(); |
| protected static final String SERVICE_NAME = "my-service"; |
| protected static final String SERVICE_HOST = "localhost"; |
| protected static final String SERVICE_PATH = "/camel"; |
| protected static final int SERVICE_PORT = AvailablePortFinder.getNextAvailable(); |
| protected static final int SERVER_PORT = AvailablePortFinder.getNextAvailable(); |
| |
| protected ZooKeeperTestSupport.TestZookeeperServer server; |
| protected CuratorFramework curator; |
| protected ServiceDiscovery<ZooKeeperServiceRegistry.MetaData> discovery; |
| |
| // *********************** |
| // Lifecycle |
| // *********************** |
| |
| @Override |
| protected void doPreSetup() throws Exception { |
| super.doPreSetup(); |
| |
| server = new ZooKeeperTestSupport.TestZookeeperServer(SERVER_PORT, true); |
| ZooKeeperTestSupport.waitForServerUp("127.0.0.1:" + SERVER_PORT, 1000); |
| |
| curator = CuratorFrameworkFactory.builder() |
| .connectString("127.0.0.1:" + SERVER_PORT) |
| .retryPolicy(new ExponentialBackoffRetry(1000, 3)) |
| .build(); |
| |
| discovery = ServiceDiscoveryBuilder.builder(ZooKeeperServiceRegistry.MetaData.class) |
| .client(curator) |
| .basePath(SERVICE_PATH) |
| .serializer(new JsonInstanceSerializer<>(ZooKeeperServiceRegistry.MetaData.class)) |
| .build(); |
| |
| curator.start(); |
| discovery.start(); |
| } |
| |
| @Override |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| |
| CloseableUtils.closeQuietly(discovery); |
| CloseableUtils.closeQuietly(curator); |
| |
| server.shutdown(); |
| } |
| |
| |
| protected Map<String, String> getMetadata() { |
| return Collections.emptyMap(); |
| } |
| |
| @Override |
| protected CamelContext createCamelContext() throws Exception { |
| final CamelContext context = super.createCamelContext(); |
| |
| ZooKeeperServiceRegistry registry = new ZooKeeperServiceRegistry(); |
| registry.setId(context.getUuidGenerator().generateUuid()); |
| registry.setCamelContext(context()); |
| registry.setNodes("localhost:" + SERVER_PORT); |
| registry.setBasePath(SERVICE_PATH); |
| registry.setServiceHost(SERVICE_HOST); |
| registry.setOverrideServiceHost(true); |
| |
| context.addService(registry, true, false); |
| |
| return context; |
| } |
| |
| @Test |
| public void testRegistrationFromRoute() throws Exception { |
| |
| // the service should not be registered as the route is not running |
| assertTrue(discovery.queryForInstances(SERVICE_NAME).isEmpty()); |
| |
| // let start the route |
| context().getRouteController().startRoute(SERVICE_ID); |
| |
| // check that service has been registered |
| Collection<ServiceInstance<ZooKeeperServiceRegistry.MetaData>> services = discovery.queryForInstances(SERVICE_NAME); |
| assertEquals(1, services.size()); |
| |
| ServiceInstance<ZooKeeperServiceRegistry.MetaData> instance = services.iterator().next(); |
| assertEquals(SERVICE_PORT, (int)instance.getPort()); |
| assertEquals("localhost", instance.getAddress()); |
| assertEquals("http", instance.getPayload().get(ServiceDefinition.SERVICE_META_PROTOCOL)); |
| assertEquals("/service/endpoint", instance.getPayload().get(ServiceDefinition.SERVICE_META_PATH)); |
| |
| getMetadata().forEach( |
| (k, v) -> { |
| assertEquals(v, instance.getPayload().get(k)); |
| } |
| ); |
| |
| // let stop the route |
| context().getRouteController().stopRoute(SERVICE_ID); |
| |
| // the service should be removed once the route is stopped |
| assertTrue(discovery.queryForInstances(SERVICE_NAME).isEmpty()); |
| } |
| } |