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/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.benchmark.routing.allocation;
import org.opensearch.Version;
import org.opensearch.cluster.ClusterModule;
import org.opensearch.cluster.EmptyClusterInfoService;
import org.opensearch.cluster.node.DiscoveryNode;
import org.opensearch.cluster.node.DiscoveryNodeRole;
import org.opensearch.cluster.routing.ShardRouting;
import org.opensearch.cluster.routing.allocation.AllocationService;
import org.opensearch.cluster.routing.allocation.FailedShard;
import org.opensearch.cluster.routing.allocation.RoutingAllocation;
import org.opensearch.cluster.routing.allocation.allocator.BalancedShardsAllocator;
import org.opensearch.cluster.routing.allocation.decider.AllocationDecider;
import org.opensearch.cluster.routing.allocation.decider.AllocationDeciders;
import org.opensearch.common.settings.ClusterSettings;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.transport.TransportAddress;
import org.opensearch.common.util.set.Sets;
import org.opensearch.gateway.GatewayAllocator;
import org.opensearch.snapshots.EmptySnapshotsInfoService;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
public final class Allocators {
private static class NoopGatewayAllocator extends GatewayAllocator {
public static final NoopGatewayAllocator INSTANCE = new NoopGatewayAllocator();
@Override
public void applyStartedShards(List startedShards, RoutingAllocation allocation) {
// noop
}
@Override
public void applyFailedShards(List failedShards, RoutingAllocation allocation) {
// noop
}
@Override
public void allocateUnassigned(
ShardRouting shardRouting,
RoutingAllocation allocation,
UnassignedAllocationHandler unassignedAllocationHandler
) {
// noop
}
}
private Allocators() {
throw new AssertionError("Do not instantiate");
}
public static AllocationService createAllocationService(Settings settings) {
return createAllocationService(settings, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS));
}
public static AllocationService createAllocationService(Settings settings, ClusterSettings clusterSettings) {
return new AllocationService(
defaultAllocationDeciders(settings, clusterSettings),
NoopGatewayAllocator.INSTANCE,
new BalancedShardsAllocator(settings),
EmptyClusterInfoService.INSTANCE,
EmptySnapshotsInfoService.INSTANCE
);
}
public static AllocationDeciders defaultAllocationDeciders(Settings settings, ClusterSettings clusterSettings) {
Collection deciders = ClusterModule.createAllocationDeciders(settings, clusterSettings, Collections.emptyList());
return new AllocationDeciders(deciders);
}
private static final AtomicInteger portGenerator = new AtomicInteger();
public static DiscoveryNode newNode(String nodeId, Map attributes) {
return new DiscoveryNode(
"",
nodeId,
new TransportAddress(TransportAddress.META_ADDRESS, portGenerator.incrementAndGet()),
attributes,
Sets.newHashSet(DiscoveryNodeRole.MASTER_ROLE, DiscoveryNodeRole.DATA_ROLE),
Version.CURRENT
);
}
}