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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.indices;
import org.apache.lucene.store.LockObtainFailedException;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.gateway.GatewayMetaState;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.ShardPath;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.test.IndexSettingsModule;
import java.util.concurrent.TimeUnit;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertHitCount;
public class IndicesServiceTests extends ESSingleNodeTestCase {
public IndicesService getIndicesService() {
return getInstanceFromNode(IndicesService.class);
}
public NodeEnvironment getNodeEnvironment() {
return getInstanceFromNode(NodeEnvironment.class);
}
@Override
protected boolean resetNodeAfterTest() {
return true;
}
public void testCanDeleteIndexContent() {
IndicesService indicesService = getIndicesService();
IndexSettings idxSettings = IndexSettingsModule.newIndexSettings("test", Settings.builder()
.put(IndexMetaData.SETTING_SHADOW_REPLICAS, true)
.put(IndexMetaData.SETTING_DATA_PATH, "/foo/bar")
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, randomIntBetween(1, 4))
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, randomIntBetween(0, 3))
.build());
assertFalse("shard on shared filesystem", indicesService.canDeleteIndexContents(new Index("test"), idxSettings, false));
assertTrue("shard on shared filesystem and closed", indicesService.canDeleteIndexContents(new Index("test"), idxSettings, true));
}
public void testCanDeleteShardContent() {
IndicesService indicesService = getIndicesService();
IndexMetaData meta = IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(
1).build();
IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("test", meta.getSettings());
assertFalse("no shard location", indicesService.canDeleteShardContent(new ShardId("test", 0), indexSettings));
IndexService test = createIndex("test");
assertTrue(test.hasShard(0));
assertFalse("shard is allocated", indicesService.canDeleteShardContent(new ShardId("test", 0), indexSettings));
test.removeShard(0, "boom");
assertTrue("shard is removed", indicesService.canDeleteShardContent(new ShardId("test", 0), indexSettings));
}
public void testDeleteIndexStore() throws Exception {
IndicesService indicesService = getIndicesService();
IndexService test = createIndex("test");
ClusterService clusterService = getInstanceFromNode(ClusterService.class);
IndexMetaData firstMetaData = clusterService.state().metaData().index("test");
assertTrue(test.hasShard(0));
try {
indicesService.deleteIndexStore("boom", firstMetaData, clusterService.state(), false);
fail();
} catch (IllegalStateException ex) {
// all good
}
GatewayMetaState gwMetaState = getInstanceFromNode(GatewayMetaState.class);
MetaData meta = gwMetaState.loadMetaState();
assertNotNull(meta);
assertNotNull(meta.index("test"));
assertAcked(client().admin().indices().prepareDelete("test"));
meta = gwMetaState.loadMetaState();
assertNotNull(meta);
assertNull(meta.index("test"));
test = createIndex("test");
client().prepareIndex("test", "type", "1").setSource("field", "value").setRefresh(true).get();
client().admin().indices().prepareFlush("test").get();
assertHitCount(client().prepareSearch("test").get(), 1);
IndexMetaData secondMetaData = clusterService.state().metaData().index("test");
assertAcked(client().admin().indices().prepareClose("test"));
ShardPath path = ShardPath.loadShardPath(logger, getNodeEnvironment(), new ShardId(test.index(), 0), test.getIndexSettings());
assertTrue(path.exists());
try {
indicesService.deleteIndexStore("boom", secondMetaData, clusterService.state(), false);
fail();
} catch (IllegalStateException ex) {
// all good
}
assertTrue(path.exists());
// now delete the old one and make sure we resolve against the name
try {
indicesService.deleteIndexStore("boom", firstMetaData, clusterService.state(), false);
fail();
} catch (IllegalStateException ex) {
// all good
}
assertAcked(client().admin().indices().prepareOpen("test"));
ensureGreen("test");
}
public void testPendingTasks() throws Exception {
IndicesService indicesService = getIndicesService();
IndexService test = createIndex("test");
assertTrue(test.hasShard(0));
ShardPath path = test.getShardOrNull(0).shardPath();
assertTrue(test.getShardOrNull(0).routingEntry().started());
ShardPath shardPath = ShardPath.loadShardPath(logger, getNodeEnvironment(), new ShardId(test.index(), 0), test.getIndexSettings());
assertEquals(shardPath, path);
try {
indicesService.processPendingDeletes(test.index(), test.getIndexSettings(), new TimeValue(0, TimeUnit.MILLISECONDS));
fail("can't get lock");
} catch (LockObtainFailedException ex) {
}
assertTrue(path.exists());
int numPending = 1;
if (randomBoolean()) {
indicesService.addPendingDelete(new ShardId(test.index(), 0), test.getIndexSettings());
} else {
if (randomBoolean()) {
numPending++;
indicesService.addPendingDelete(new ShardId(test.index(), 0), test.getIndexSettings());
}
indicesService.addPendingDelete(test.index(), test.getIndexSettings());
}
assertAcked(client().admin().indices().prepareClose("test"));
assertTrue(path.exists());
assertEquals(indicesService.numPendingDeletes(test.index()), numPending);
// shard lock released... we can now delete
indicesService.processPendingDeletes(test.index(), test.getIndexSettings(), new TimeValue(0, TimeUnit.MILLISECONDS));
assertEquals(indicesService.numPendingDeletes(test.index()), 0);
assertFalse(path.exists());
if (randomBoolean()) {
indicesService.addPendingDelete(new ShardId(test.index(), 0), test.getIndexSettings());
indicesService.addPendingDelete(new ShardId(test.index(), 1), test.getIndexSettings());
indicesService.addPendingDelete(new ShardId("bogus", 1), test.getIndexSettings());
assertEquals(indicesService.numPendingDeletes(test.index()), 2);
// shard lock released... we can now delete
indicesService.processPendingDeletes(test.index(), test.getIndexSettings(), new TimeValue(0, TimeUnit.MILLISECONDS));
assertEquals(indicesService.numPendingDeletes(test.index()), 0);
}
assertAcked(client().admin().indices().prepareOpen("test"));
}
}
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