package org.apache.helix.integration;
import org.apache.helix.HelixDataAccessor;
import org.apache.helix.HelixManager;
import org.apache.helix.manager.zk.MockParticipant;
import org.apache.helix.manager.zk.ZKHelixManager;
import org.apache.helix.model.HelixConfigScope;
import org.apache.helix.model.HelixConfigScope.ConfigScopeProperty;
import org.apache.helix.model.IdealState.RebalanceMode;
import org.apache.helix.model.builder.HelixConfigScopeBuilder;
import org.testng.Assert;
import org.testng.annotations.Test;
/*
* 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.
*/
public class TestInstanceAutoJoin extends ZkStandAloneCMTestBase {
String db2 = TEST_DB + "2";
@Test
public void testInstanceAutoJoin() throws Exception {
HelixManager manager = _participants[0];
HelixDataAccessor accessor = manager.getHelixDataAccessor();
_setupTool.addResourceToCluster(CLUSTER_NAME, db2, 60, "OnlineOffline", RebalanceMode.FULL_AUTO
+ "");
_setupTool.rebalanceStorageCluster(CLUSTER_NAME, db2, 1);
String instance2 = "localhost_279699";
// StartCMResult result = TestHelper.startDummyProcess(zkaddr, CLUSTER_NAME, instance2);
MockParticipant newParticipant = new MockParticipant(_zkaddr, CLUSTER_NAME, instance2);
newParticipant.syncStart();
Thread.sleep(500);
// Assert.assertFalse(result._thread.isAlive());
Assert.assertTrue(null == manager.getHelixDataAccessor().getProperty(
accessor.keyBuilder().liveInstance(instance2)));
HelixConfigScope scope =
new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(CLUSTER_NAME).build();
manager.getConfigAccessor().set(scope, ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN, "true");
newParticipant = new MockParticipant(_zkaddr, CLUSTER_NAME, instance2);
newParticipant.syncStart();
Thread.sleep(500);
// Assert.assertTrue(result._thread.isAlive() || result2._thread.isAlive());
for (int i = 0; i < 20; i++) {
if (null == manager.getHelixDataAccessor().getProperty(
accessor.keyBuilder().liveInstance(instance2))) {
Thread.sleep(100);
} else
break;
}
Assert.assertTrue(null != manager.getHelixDataAccessor().getProperty(
accessor.keyBuilder().liveInstance(instance2)));
newParticipant.syncStop();
}
}