001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase;
019
020import static org.junit.jupiter.api.Assertions.assertTrue;
021
022import java.io.IOException;
023import java.util.HashMap;
024import java.util.Map;
025import org.apache.hadoop.conf.Configuration;
026import org.apache.hadoop.hbase.ClusterManager.ServiceType;
027import org.apache.hadoop.hbase.RESTApiClusterManager.Service;
028import org.apache.hadoop.hbase.testclassification.SmallTests;
029import org.junit.jupiter.api.AfterAll;
030import org.junit.jupiter.api.BeforeAll;
031import org.junit.jupiter.api.BeforeEach;
032import org.junit.jupiter.api.Tag;
033import org.junit.jupiter.api.Test;
034import org.junit.jupiter.api.TestInfo;
035
036@Tag(SmallTests.TAG)
037public class TestRESTApiClusterManager {
038
039  public static MockHttpApiRule mockHttpApi = new MockHttpApiRule();
040
041  private static HBaseCommonTestingUtil testingUtility;
042  private ClusterManager clusterManager;
043
044  @BeforeAll
045  public static void beforeClass() throws Exception {
046    mockHttpApi.start();
047    testingUtility = new HBaseCommonTestingUtil();
048    configureClusterManager(testingUtility.getConfiguration());
049  }
050
051  @AfterAll
052  public static void afterClass() throws Exception {
053    mockHttpApi.close();
054  }
055
056  @BeforeEach
057  public void before(TestInfo testInfo) {
058    mockHttpApi.clearRegistrations();
059    final Configuration methodConf = new Configuration(testingUtility.getConfiguration());
060    methodConf.set("hbase.it.clustermanager.restapi.clustername",
061      testInfo.getTestMethod().get().getName());
062    clusterManager = new RESTApiClusterManager();
063    clusterManager.setConf(methodConf);
064  }
065
066  @Test
067  public void isRunningPositive(TestInfo testInfo) throws IOException {
068    final String clusterName = testInfo.getTestMethod().get().getName();
069    final String hostName = "somehost";
070    final String serviceName = "hbase";
071    final String hostId = "some-id";
072    registerServiceName(clusterName, Service.HBASE, serviceName);
073    registerHost(hostName, hostId);
074    final Map<String, String> hostProperties = new HashMap<>();
075    hostProperties.put("roleState", "STARTED");
076    hostProperties.put("healthSummary", "GOOD");
077    registerHostProperties(clusterName, serviceName, hostId, ServiceType.HBASE_MASTER,
078      hostProperties);
079    assertTrue(clusterManager.isRunning(ServiceType.HBASE_MASTER, hostName, -1));
080  }
081
082  private static void configureClusterManager(final Configuration conf) {
083    conf.set("hbase.it.clustermanager.restapi.hostname", mockHttpApi.getURI().toString());
084  }
085
086  private static void registerServiceName(final String clusterName, final Service service,
087    final String serviceName) {
088    final String target = String.format("^/api/v6/clusters/%s/services", clusterName);
089    final String response = String
090      .format("{ \"items\": [ { \"type\": \"%s\", \"name\": \"%s\" } ] }", service, serviceName);
091    mockHttpApi.registerOk(target, response);
092  }
093
094  private static void registerHost(final String hostName, final String hostId) {
095    final String target = "^/api/v6/hosts";
096    final String response = String
097      .format("{ \"items\": [ { \"hostname\": \"%s\", \"hostId\": \"%s\" } ] }", hostName, hostId);
098    mockHttpApi.registerOk(target, response);
099  }
100
101  private static void registerHostProperties(final String clusterName, final String serviceName,
102    final String hostId, final ServiceType serviceType, final Map<String, String> properties) {
103    final String target =
104      String.format("^/api/v6/clusters/%s/services/%s/roles", clusterName, serviceName);
105    final StringBuilder builder =
106      new StringBuilder().append("{ \"items\": [ ").append("{ \"hostRef\": { \"hostId\": \"")
107        .append(hostId).append("\" }, \"type\": \"").append(serviceType).append("\"");
108    properties
109      .forEach((k, v) -> builder.append(", \"").append(k).append("\": \"").append(v).append("\""));
110    builder.append(" } ] }");
111    mockHttpApi.registerOk(target, builder.toString());
112  }
113}