| /* |
| * 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.slider.common.tools |
| |
| import groovy.transform.CompileStatic |
| import groovy.util.logging.Slf4j |
| import org.apache.hadoop.conf.Configuration |
| import org.apache.slider.client.SliderClient |
| import org.apache.slider.core.zk.ZKIntegration |
| import org.apache.slider.test.KeysForTests |
| import org.apache.slider.test.YarnZKMiniClusterTestBase |
| import org.apache.zookeeper.CreateMode |
| import org.apache.zookeeper.ZooDefs |
| import org.apache.zookeeper.data.Stat |
| import org.junit.Before |
| import org.junit.Test |
| |
| @Slf4j |
| @CompileStatic |
| class TestZKIntegration extends YarnZKMiniClusterTestBase implements KeysForTests { |
| |
| |
| // as the static compiler doesn't resolve consistently |
| public static final String USER = KeysForTests.USERNAME |
| |
| @Before |
| void createCluster() { |
| Configuration conf = configuration |
| createMicroZKCluster(methodName.methodName, conf) |
| } |
| |
| @Test |
| public void testIntegrationCreate() throws Throwable { |
| assertHasZKCluster() |
| ZKIntegration zki = createZKIntegrationInstance( |
| getZKBinding(), "cluster1", true, false, 5000) |
| String userPath = ZKIntegration.mkSliderUserPath(USER) |
| Stat stat = zki.stat(userPath) |
| assert stat != null |
| log.info("User path $userPath has stat $stat") |
| } |
| |
| @Test |
| public void testListUserClustersWithoutAnyClusters() throws Throwable { |
| assertHasZKCluster() |
| |
| ZKIntegration zki = createZKIntegrationInstance( |
| getZKBinding(), "", true, false, 5000) |
| String userPath = ZKIntegration.mkSliderUserPath(USER) |
| List<String> clusters = zki.clusters |
| assert clusters.empty |
| } |
| |
| @Test |
| public void testListUserClustersWithOneCluster() throws Throwable { |
| assertHasZKCluster() |
| |
| ZKIntegration zki = createZKIntegrationInstance( |
| getZKBinding(), "", true, false, 5000) |
| String userPath = ZKIntegration.mkSliderUserPath(USER) |
| String fullPath = zki.createPath(userPath, "/cluster-", |
| ZooDefs.Ids.OPEN_ACL_UNSAFE, |
| CreateMode.EPHEMERAL_SEQUENTIAL) |
| log.info("Ephemeral path $fullPath") |
| List<String> clusters = zki.clusters |
| assert clusters.size() == 1 |
| assert fullPath.endsWith(clusters[0]) |
| } |
| |
| @Test |
| public void testListUserClustersWithTwoCluster() throws Throwable { |
| ZKIntegration zki = createZKIntegrationInstance( |
| getZKBinding(), "", true, false, 5000) |
| String userPath = ZKIntegration.mkSliderUserPath(USER) |
| String c1 = createEphemeralChild(zki, userPath) |
| log.info("Ephemeral path $c1") |
| String c2 = createEphemeralChild(zki, userPath) |
| log.info("Ephemeral path $c2") |
| List<String> clusters = zki.clusters |
| assert clusters.size() == 2 |
| assert (c1.endsWith(clusters[0]) && c1.endsWith(clusters[1])) || |
| (c1.endsWith(clusters[1]) && c2.endsWith(clusters[0])) |
| } |
| |
| @Test |
| public void testCreateAndDeleteDefaultZKPath() throws Throwable { |
| MockSliderClient client = new MockSliderClient() |
| |
| String path = client.createZookeeperNode("cl1", true) |
| ZKIntegration zki = client.lastZKIntegration |
| |
| String zkPath = ZKIntegration.mkClusterPath(USER, "cl1") |
| assert zkPath == "/services/slider/users/" + USER + "/cl1", "zkPath must be as expected" |
| assert path == zkPath |
| assert zki == null, "ZKIntegration should be null." |
| zki = createZKIntegrationInstance(getZKBinding(), "cl1", true, false, 5000); |
| assert !zki.exists(zkPath) |
| |
| path = client.createZookeeperNode("cl1", false) |
| zki = client.lastZKIntegration |
| assert zki |
| assert zkPath == "/services/slider/users/" + USER + "/cl1", "zkPath must be as expected" |
| assert path == zkPath |
| assert zki.exists(zkPath) |
| zki.createPath(zkPath, "/cn", ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT) |
| assert zki.exists(zkPath + "/cn") |
| client.deleteZookeeperNode("cl1") |
| assert !zki.exists(zkPath) |
| } |
| |
| public String createEphemeralChild(ZKIntegration zki, String userPath) { |
| return zki.createPath(userPath, "/cluster-", |
| ZooDefs.Ids.OPEN_ACL_UNSAFE, |
| CreateMode.EPHEMERAL_SEQUENTIAL) |
| } |
| |
| class MockSliderClient extends SliderClient { |
| private ZKIntegration zki; |
| |
| @Override |
| public String getUsername() { |
| return USER |
| } |
| |
| @Override |
| protected ZKIntegration getZkClient(String clusterName, String user) { |
| zki = createZKIntegrationInstance(getZKBinding(), "cl1", true, false, 5000) |
| return zki; |
| } |
| |
| @Override |
| public synchronized Configuration getConfig() { |
| new Configuration(); |
| } |
| |
| public ZKIntegration getLastZKIntegration() { |
| return zki |
| } |
| |
| } |
| |
| } |