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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.benchmark.routing.allocation;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.ClusterModule;
import org.elasticsearch.cluster.EmptyClusterInfoService;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.allocation.AllocationService;
import org.elasticsearch.cluster.routing.allocation.FailedRerouteAllocation;
import org.elasticsearch.cluster.routing.allocation.RoutingAllocation;
import org.elasticsearch.cluster.routing.allocation.StartedRerouteAllocation;
import org.elasticsearch.cluster.routing.allocation.allocator.BalancedShardsAllocator;
import org.elasticsearch.cluster.routing.allocation.decider.AllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.AllocationDeciders;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.LocalTransportAddress;
import org.elasticsearch.common.util.set.Sets;
import org.elasticsearch.gateway.GatewayAllocator;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public final class Allocators {
private static class NoopGatewayAllocator extends GatewayAllocator {
public static final NoopGatewayAllocator INSTANCE = new NoopGatewayAllocator();
protected NoopGatewayAllocator() {
super(Settings.EMPTY, null, null);
}
@Override
public void applyStartedShards(StartedRerouteAllocation allocation) {
// noop
}
@Override
public void applyFailedShards(FailedRerouteAllocation allocation) {
// noop
}
@Override
public void allocateUnassigned(RoutingAllocation allocation) {
// noop
}
}
private Allocators() {
throw new AssertionError("Do not instantiate");
}
public static AllocationService createAllocationService(Settings settings) throws NoSuchMethodException, InstantiationException,
IllegalAccessException, InvocationTargetException {
return createAllocationService(settings, new ClusterSettings(Settings.EMPTY, ClusterSettings
.BUILT_IN_CLUSTER_SETTINGS));
}
public static AllocationService createAllocationService(Settings settings, ClusterSettings clusterSettings) throws
InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
return new AllocationService(settings,
defaultAllocationDeciders(settings, clusterSettings),
NoopGatewayAllocator.INSTANCE, new BalancedShardsAllocator(settings), EmptyClusterInfoService.INSTANCE);
}
public static AllocationDeciders defaultAllocationDeciders(Settings settings, ClusterSettings clusterSettings) throws
IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchMethodException {
Collection<AllocationDecider> deciders =
ClusterModule.createAllocationDeciders(settings, clusterSettings, Collections.emptyList());
return new AllocationDeciders(settings, deciders);
}
public static DiscoveryNode newNode(String nodeId, Map<String, String> attributes) {
return new DiscoveryNode("", nodeId, LocalTransportAddress.buildUnique(), attributes, Sets.newHashSet(DiscoveryNode.Role.MASTER,
DiscoveryNode.Role.DATA), Version.CURRENT);
}
}
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