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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.metadata;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.SnapshotsInProgress;
import org.elasticsearch.cluster.block.ClusterBlocks;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.allocation.AllocationService;
import org.elasticsearch.cluster.routing.allocation.RoutingAllocation;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexNotFoundException;
import org.elasticsearch.repositories.IndexId;
import org.elasticsearch.snapshots.Snapshot;
import org.elasticsearch.snapshots.SnapshotId;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.VersionUtils;
import static java.util.Collections.singleton;
import static java.util.Collections.singletonList;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class MetaDataDeleteIndexServiceTests extends ESTestCase {
private final AllocationService allocationService = mock(AllocationService.class);
private final MetaDataDeleteIndexService service = new MetaDataDeleteIndexService(Settings.EMPTY, null, allocationService);
public void testDeleteMissing() {
Index index = new Index("missing", "doesn't matter");
ClusterState state = ClusterState.builder(ClusterName.DEFAULT).build();
IndexNotFoundException e = expectThrows(IndexNotFoundException.class, () -> service.deleteIndices(state, singleton(index)));
assertEquals(index, e.getIndex());
}
public void testDeleteSnapshotting() {
String index = randomAsciiOfLength(5);
Snapshot snapshot = new Snapshot("doesn't matter", new SnapshotId("snapshot name", "snapshot uuid"));
SnapshotsInProgress snaps = new SnapshotsInProgress(new SnapshotsInProgress.Entry(snapshot, true, false,
SnapshotsInProgress.State.INIT, singletonList(new IndexId(index, "doesn't matter")),
System.currentTimeMillis(), ImmutableOpenMap.of()));
ClusterState state = ClusterState.builder(clusterState(index))
.putCustom(SnapshotsInProgress.TYPE, snaps)
.build();
Exception e = expectThrows(IllegalArgumentException.class,
() -> service.deleteIndices(state, singleton(state.metaData().getIndices().get(index).getIndex())));
assertEquals("Cannot delete indices that are being snapshotted: [[" + index + "]]. Try again after snapshot finishes "
+ "or cancel the currently running snapshot.", e.getMessage());
}
public void testDeleteUnassigned() {
// Create an unassigned index
String index = randomAsciiOfLength(5);
ClusterState before = clusterState(index);
// Mock the built reroute
when(allocationService.reroute(any(ClusterState.class), any(String.class))).then(
i -> RoutingAllocation.Result.unchanged((ClusterState) i.getArguments()[0]));
// Remove it
ClusterState after = service.deleteIndices(before, singleton(before.metaData().getIndices().get(index).getIndex()));
// It is gone
assertNull(after.metaData().getIndices().get(index));
assertNull(after.routingTable().index(index));
assertNull(after.blocks().indices().get(index));
// Make sure we actually attempted to reroute
verify(allocationService).reroute(any(ClusterState.class), any(String.class));
}
private ClusterState clusterState(String index) {
IndexMetaData indexMetaData = IndexMetaData.builder(index)
.settings(Settings.builder().put("index.version.created", VersionUtils.randomVersion(random())))
.numberOfShards(1)
.numberOfReplicas(1)
.build();
return ClusterState.builder(ClusterName.DEFAULT)
.metaData(MetaData.builder().put(indexMetaData, false))
.routingTable(RoutingTable.builder().addAsNew(indexMetaData).build())
.blocks(ClusterBlocks.builder().addBlocks(indexMetaData))
.build();
}
}
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