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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.cluster.routing;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.test.ESTestCase;
import java.io.IOException;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
/**
*/
public class AllocationIdTests extends ESTestCase {
public void testShardToStarted() {
logger.info("-- create unassigned shard");
ShardRouting shard = ShardRouting.newUnassigned("test", 0, null, true, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null));
assertThat(shard.allocationId(), nullValue());
logger.info("-- initialize the shard");
shard.initialize("node1", -1);
AllocationId allocationId = shard.allocationId();
assertThat(allocationId, notNullValue());
assertThat(allocationId.getId(), notNullValue());
assertThat(allocationId.getRelocationId(), nullValue());
logger.info("-- start the shard");
shard.moveToStarted();
assertThat(shard.allocationId().getId(), equalTo(allocationId.getId()));
allocationId = shard.allocationId();
assertThat(allocationId.getId(), notNullValue());
assertThat(allocationId.getRelocationId(), nullValue());
}
public void testSuccessfulRelocation() {
logger.info("-- build started shard");
ShardRouting shard = ShardRouting.newUnassigned("test", 0, null, true, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null));
shard.initialize("node1", -1);
shard.moveToStarted();
AllocationId allocationId = shard.allocationId();
logger.info("-- relocate the shard");
shard.relocate("node2", -1);
assertThat(shard.allocationId(), not(equalTo(allocationId)));
assertThat(shard.allocationId().getId(), equalTo(allocationId.getId()));
assertThat(shard.allocationId().getRelocationId(), notNullValue());
ShardRouting target = shard.buildTargetRelocatingShard();
assertThat(target.allocationId().getId(), equalTo(shard.allocationId().getRelocationId()));
assertThat(target.allocationId().getRelocationId(), equalTo(shard.allocationId().getId()));
logger.info("-- finalize the relocation");
target.moveToStarted();
assertThat(target.allocationId().getId(), equalTo(shard.allocationId().getRelocationId()));
assertThat(target.allocationId().getRelocationId(), nullValue());
}
public void testCancelRelocation() {
logger.info("-- build started shard");
ShardRouting shard = ShardRouting.newUnassigned("test", 0, null, true, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null));
shard.initialize("node1", -1);
shard.moveToStarted();
AllocationId allocationId = shard.allocationId();
logger.info("-- relocate the shard");
shard.relocate("node2", -1);
assertThat(shard.allocationId(), not(equalTo(allocationId)));
assertThat(shard.allocationId().getId(), equalTo(allocationId.getId()));
assertThat(shard.allocationId().getRelocationId(), notNullValue());
allocationId = shard.allocationId();
logger.info("-- cancel relocation");
shard.cancelRelocation();
assertThat(shard.allocationId().getId(), equalTo(allocationId.getId()));
assertThat(shard.allocationId().getRelocationId(), nullValue());
}
public void testMoveToUnassigned() {
logger.info("-- build started shard");
ShardRouting shard = ShardRouting.newUnassigned("test", 0, null, true, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null));
shard.initialize("node1", -1);
shard.moveToStarted();
logger.info("-- move to unassigned");
shard.moveToUnassigned(new UnassignedInfo(UnassignedInfo.Reason.NODE_LEFT, null));
assertThat(shard.allocationId(), nullValue());
}
public void testReinitializing() {
logger.info("-- build started shard");
ShardRouting shard = ShardRouting.newUnassigned("test", 0, null, true, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null));
shard.initialize("node1", -1);
shard.moveToStarted();
AllocationId allocationId = shard.allocationId();
logger.info("-- reinitializing shard");
shard.reinitializeShard();
assertThat(shard.allocationId().getId(), notNullValue());
assertThat(shard.allocationId().getRelocationId(), nullValue());
assertThat(shard.allocationId().getId(), not(equalTo(allocationId.getId())));
}
public void testSerialization() throws IOException {
AllocationId allocationId = AllocationId.newInitializing();
if (randomBoolean()) {
allocationId = AllocationId.newRelocation(allocationId);
}
BytesReference bytes = allocationId.toXContent(XContentFactory.jsonBuilder(), ToXContent.EMPTY_PARAMS).bytes();
AllocationId parsedAllocationId = AllocationId.fromXContent(XContentFactory.xContent(XContentType.JSON).createParser(bytes));
assertEquals(allocationId, parsedAllocationId);
}
}
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