AllocatePostApiFlagTests.java

/*
 * Licensed to ElasticSearch and Shay Banon 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
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package org.elasticsearch.test.unit.cluster.routing.allocation;

import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.allocation.AllocationService;
import org.elasticsearch.cluster.routing.allocation.RoutingAllocationResult;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.testng.annotations.Test;

import static org.elasticsearch.cluster.ClusterState.newClusterStateBuilder;
import static org.elasticsearch.cluster.metadata.IndexMetaData.newIndexMetaDataBuilder;
import static org.elasticsearch.cluster.metadata.MetaData.newMetaDataBuilder;
import static org.elasticsearch.cluster.node.DiscoveryNodes.newNodesBuilder;
import static org.elasticsearch.cluster.routing.RoutingBuilders.routingTable;
import static org.elasticsearch.cluster.routing.ShardRoutingState.INITIALIZING;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
import static org.elasticsearch.test.unit.cluster.routing.allocation.RoutingAllocationTests.newNode;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

/**
 */
@Test
public class AllocatePostApiFlagTests {

    private final ESLogger logger = Loggers.getLogger(AllocatePostApiFlagTests.class);

    @Test
    public void simpleFlagTests() {
        AllocationService allocation = new AllocationService(settingsBuilder().put("cluster.routing.allocation.concurrent_recoveries", 10).build());

        logger.info("creating an index with 1 shard, no replica");
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test").numberOfShards(1).numberOfReplicas(0))
                .build();
        RoutingTable routingTable = routingTable()
                .addAsNew(metaData.index("test"))
                .build();
        ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();
        assertThat(clusterState.routingTable().index("test").shard(0).primaryAllocatedPostApi(), equalTo(false));

        logger.info("adding two nodes and performing rerouting");
        clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1")).put(newNode("node2"))).build();
        RoutingAllocationResult rerouteResult = allocation.reroute(clusterState);
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingTable().index("test").shard(0).primaryAllocatedPostApi(), equalTo(false));

        logger.info("start primary shard");
        rerouteResult = allocation.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING));
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingTable().index("test").shard(0).primaryAllocatedPostApi(), equalTo(true));
    }
}