| /* |
| * 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.dubbo.configcenter.support.etcd; |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.config.configcenter.ConfigChangedEvent; |
| import org.apache.dubbo.common.config.configcenter.ConfigurationListener; |
| import org.apache.dubbo.common.config.configcenter.DynamicConfiguration; |
| import io.etcd.jetcd.ByteSequence; |
| import io.etcd.jetcd.Client; |
| import io.etcd.jetcd.launcher.EtcdCluster; |
| import io.etcd.jetcd.launcher.EtcdClusterFactory; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.jupiter.api.Disabled; |
| import java.net.URI; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.dubbo.remoting.etcd.Constants.SESSION_TIMEOUT_KEY; |
| |
| /** |
| * Unit test for etcd config center support |
| * Integrate with https://github.com/etcd-io/jetcd#launcher |
| */ |
| @Disabled |
| public class EtcdDynamicConfigurationTest { |
| |
| private static EtcdDynamicConfiguration config; |
| |
| public EtcdCluster etcdCluster = EtcdClusterFactory.buildCluster(getClass().getSimpleName(), 3, false); |
| |
| //public EtcdCluster etcdCluster= new Etcd.Builder().withClusterName(getClass().getSimpleName()).withNodes(3).withSsl(false).build(); |
| |
| private static Client client; |
| |
| |
| @Test |
| public void testGetConfig() { |
| put("/dubbo/config/dubbo/org.apache.dubbo.etcd.testService/configurators", "hello"); |
| put("/dubbo/config/test/dubbo.properties", "aaa=bbb"); |
| Assert.assertEquals("hello", config.getConfig("org.apache.dubbo.etcd.testService/configurators", DynamicConfiguration.DEFAULT_GROUP)); |
| Assert.assertEquals("aaa=bbb", config.getConfig("dubbo.properties", "test")); |
| } |
| |
| |
| @Test |
| public void testAddListener1() throws Exception { |
| |
| CountDownLatch latch = new CountDownLatch(4); |
| TestListener listener1 = new TestListener(latch); |
| TestListener listener2 = new TestListener(latch); |
| TestListener listener3 = new TestListener(latch); |
| TestListener listener4 = new TestListener(latch); |
| |
| config.addListener("AService/configurators", listener1); |
| config.addListener("AService/configurators", listener2); |
| config.addListener("testapp/tagrouters", listener3); |
| config.addListener("testapp/tagrouters", listener4); |
| |
| //全路径 |
| put("/dubbo/config/dubbo/AService/configurators", "new value1"); |
| Thread.sleep(200); |
| |
| put("/dubbo/config/dubbo/testapp/tagrouters", "new value2"); |
| Thread.sleep(1000); |
| |
| Assert.assertTrue(latch.await(5, TimeUnit.SECONDS)); |
| Assert.assertEquals(1, listener1.getCount("AService/configurators")); |
| Assert.assertEquals(1, listener2.getCount("AService/configurators")); |
| Assert.assertEquals(1, listener3.getCount("testapp/tagrouters")); |
| Assert.assertEquals(1, listener4.getCount("testapp/tagrouters")); |
| |
| Assert.assertEquals("new value1", listener1.getValue()); |
| Assert.assertEquals("new value1", listener2.getValue()); |
| Assert.assertEquals("new value2", listener3.getValue()); |
| Assert.assertEquals("new value2", listener4.getValue()); |
| |
| } |
| |
| |
| |
| private class TestListener implements ConfigurationListener { |
| private CountDownLatch latch; |
| private String value; |
| private Map<String, Integer> countMap = new HashMap<>(); |
| |
| public TestListener(CountDownLatch latch) { |
| this.latch = latch; |
| } |
| |
| @Override |
| public void process(ConfigChangedEvent event) { |
| Integer count = countMap.computeIfAbsent(event.getKey(), k -> 0); |
| countMap.put(event.getKey(), ++count); |
| value = event.getContent(); |
| latch.countDown(); |
| } |
| |
| public int getCount(String key) { |
| return countMap.get(key); |
| } |
| |
| public String getValue() { |
| return value; |
| } |
| } |
| |
| private void put(String key, String value) { |
| try { |
| client.getKVClient().put(ByteSequence.from(key, UTF_8), ByteSequence.from(value, UTF_8)).get(); |
| } catch (Exception e) { |
| System.out.println("Error put value to etcd."); |
| } |
| } |
| |
| //这里会涉及到docker拉取镜像很慢 |
| @Before |
| public void setUp() { |
| |
| etcdCluster.start(); |
| |
| client = Client.builder().endpoints(etcdCluster.getClientEndpoints()).build(); |
| |
| List<URI> clientEndPoints = etcdCluster.getClientEndpoints(); |
| |
| String ipAddress =clientEndPoints.get(0).getHost() + ":" + clientEndPoints.get(0).getPort(); //"127.0.0.1:2379"; |
| |
| String urlForDubbo = "etcd3://" + ipAddress + "/org.apache.dubbo.etcd.testService"; |
| |
| // timeout in 15 seconds. |
| URL url = URL.valueOf(urlForDubbo).addParameter(SESSION_TIMEOUT_KEY, 15000); |
| config = new EtcdDynamicConfiguration(url); |
| } |
| |
| @After |
| public void tearDown() { |
| etcdCluster.close(); |
| client.close(); |
| } |
| |
| } |