Package org.elasticsearch.cluster.routing.allocation.command

Examples of org.elasticsearch.cluster.routing.allocation.command.CancelAllocationCommand

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        assertThat(clusterState.routingNodes().node("node1").shardsWithState(INITIALIZING).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(0));

        logger.info("--> cancel primary allocation, make sure it fails...");
        try {
            allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node1", false)));
            fail();
        } catch (ElasticsearchIllegalArgumentException e) {
        }

        logger.info("--> start the primary shard");
        rerouteResult = allocation.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(0));

        logger.info("--> cancel primary allocation, make sure it fails...");
        try {
            allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node1", false)));
            fail();
        } catch (ElasticsearchIllegalArgumentException e) {
        }

        logger.info("--> allocate the replica shard on on the second node");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new AllocateAllocationCommand(new ShardId("test", 0), "node2", false)));
        assertThat(rerouteResult.changed(), equalTo(true));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(INITIALIZING).size(), equalTo(1));

        logger.info("--> cancel the relocation allocation");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node2", false)));
        assertThat(rerouteResult.changed(), equalTo(true));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(0));
        assertThat(clusterState.routingNodes().node("node3").size(), equalTo(0));

        logger.info("--> allocate the replica shard on on the second node");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new AllocateAllocationCommand(new ShardId("test", 0), "node2", false)));
        assertThat(rerouteResult.changed(), equalTo(true));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(INITIALIZING).size(), equalTo(1));

        logger.info("--> cancel the primary being replicated, make sure it fails");
        try {
            allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node1", false)));
            fail();
        } catch (ElasticsearchIllegalArgumentException e) {
        }

        logger.info("--> start the replica shard");
        rerouteResult = allocation.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));

        logger.info("--> cancel allocation of the replica shard");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node2", false)));
        assertThat(rerouteResult.changed(), equalTo(true));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(0));
        assertThat(clusterState.routingNodes().node("node3").size(), equalTo(0));

        logger.info("--> allocate the replica shard on on the second node");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new AllocateAllocationCommand(new ShardId("test", 0), "node2", false)));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(rerouteResult.changed(), equalTo(true));
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(INITIALIZING).size(), equalTo(1));
        logger.info("--> start the replica shard");
        rerouteResult = allocation.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));

        logger.info("--> move the replica shard");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new MoveAllocationCommand(new ShardId("test", 0), "node2", "node3")));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(RELOCATING).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node3").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node3").shardsWithState(INITIALIZING).size(), equalTo(1));

        logger.info("--> cancel the move of the replica shard");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node3", false)));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));


        logger.info("--> cancel the primary allocation (with allow_primary set to true)");
        rerouteResult = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand(new ShardId("test", 0), "node1", true)));
        clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
        assertThat(rerouteResult.changed(), equalTo(true));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(STARTED).get(0).primary(), equalTo(true));
        assertThat(clusterState.routingNodes().node("node1").size(), equalTo(0));
        assertThat(clusterState.routingNodes().node("node3").size(), equalTo(0));
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    @Test
    public void serialization() throws Exception {
        AllocationCommands commands = new AllocationCommands(
                new AllocateAllocationCommand(new ShardId("test", 1), "node1", true),
                new MoveAllocationCommand(new ShardId("test", 3), "node2", "node3"),
                new CancelAllocationCommand(new ShardId("test", 4), "node5", true)
        );
        BytesStreamOutput bytes = new BytesStreamOutput();
        AllocationCommands.writeTo(commands, bytes);
        AllocationCommands sCommands = AllocationCommands.readFrom(new BytesStreamInput(bytes.bytes()));
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Related Classes of org.elasticsearch.cluster.routing.allocation.command.CancelAllocationCommand

  • org.elasticsearch.cluster.node.DiscoveryNode
  • org.elasticsearch.cluster.routing.allocation.AllocationCommandsTests
  • org.elasticsearch.cluster.routing.allocation.RerouteExplanation
  • org.elasticsearch.cluster.routing.MutableShardRouting
  • org.elasticsearch.cluster.routing.RoutingNode
  • org.elasticsearch.index.shard.ShardId
  • org.elasticsearch.ElasticsearchParseException
  • org.elasticsearch.ElasticsearchIllegalArgumentException
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