Examples with AllocateReplicaAllocationCommand org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand used on opensource projects

Example 1 with AllocateReplicaAllocationCommand

use of org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand in project OpenSearch by opensearch-project.

the class AllocationCommandsTests method testSerialization.

public void testSerialization() throws Exception {
    AllocationCommands commands = new AllocationCommands(new AllocateEmptyPrimaryAllocationCommand("test", 1, "node1", true), new AllocateStalePrimaryAllocationCommand("test", 2, "node1", true), new AllocateReplicaAllocationCommand("test", 2, "node1"), new MoveAllocationCommand("test", 3, "node2", "node3"), new CancelAllocationCommand("test", 4, "node5", true));
    BytesStreamOutput bytes = new BytesStreamOutput();
    AllocationCommands.writeTo(commands, bytes);
    StreamInput in = bytes.bytes().streamInput();
    // Since the commands are named writeable we need to register them and wrap the input stream
    NamedWriteableRegistry namedWriteableRegistry = new NamedWriteableRegistry(NetworkModule.getNamedWriteables());
    in = new NamedWriteableAwareStreamInput(in, namedWriteableRegistry);
    // Now we can read them!
    AllocationCommands sCommands = AllocationCommands.readFrom(in);
    assertThat(sCommands.commands().size(), equalTo(5));
    assertThat(((AllocateEmptyPrimaryAllocationCommand) (sCommands.commands().get(0))).shardId(), equalTo(1));
    assertThat(((AllocateEmptyPrimaryAllocationCommand) (sCommands.commands().get(0))).index(), equalTo("test"));
    assertThat(((AllocateEmptyPrimaryAllocationCommand) (sCommands.commands().get(0))).node(), equalTo("node1"));
    assertThat(((AllocateEmptyPrimaryAllocationCommand) (sCommands.commands().get(0))).acceptDataLoss(), equalTo(true));
    assertThat(((AllocateStalePrimaryAllocationCommand) (sCommands.commands().get(1))).shardId(), equalTo(2));
    assertThat(((AllocateStalePrimaryAllocationCommand) (sCommands.commands().get(1))).index(), equalTo("test"));
    assertThat(((AllocateStalePrimaryAllocationCommand) (sCommands.commands().get(1))).node(), equalTo("node1"));
    assertThat(((AllocateStalePrimaryAllocationCommand) (sCommands.commands().get(1))).acceptDataLoss(), equalTo(true));
    assertThat(((AllocateReplicaAllocationCommand) (sCommands.commands().get(2))).shardId(), equalTo(2));
    assertThat(((AllocateReplicaAllocationCommand) (sCommands.commands().get(2))).index(), equalTo("test"));
    assertThat(((AllocateReplicaAllocationCommand) (sCommands.commands().get(2))).node(), equalTo("node1"));
    assertThat(((MoveAllocationCommand) (sCommands.commands().get(3))).shardId(), equalTo(3));
    assertThat(((MoveAllocationCommand) (sCommands.commands().get(3))).index(), equalTo("test"));
    assertThat(((MoveAllocationCommand) (sCommands.commands().get(3))).fromNode(), equalTo("node2"));
    assertThat(((MoveAllocationCommand) (sCommands.commands().get(3))).toNode(), equalTo("node3"));
    assertThat(((CancelAllocationCommand) (sCommands.commands().get(4))).shardId(), equalTo(4));
    assertThat(((CancelAllocationCommand) (sCommands.commands().get(4))).index(), equalTo("test"));
    assertThat(((CancelAllocationCommand) (sCommands.commands().get(4))).node(), equalTo("node5"));
    assertThat(((CancelAllocationCommand) (sCommands.commands().get(4))).allowPrimary(), equalTo(true));
}

Example 2 with AllocateReplicaAllocationCommand

use of org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand in project OpenSearch by opensearch-project.

the class ClusterRerouteResponseTests method testToXContent.

public void testToXContent() throws IOException {
    DiscoveryNode node0 = new DiscoveryNode("node0", new TransportAddress(TransportAddress.META_ADDRESS, 9000), Version.CURRENT);
    DiscoveryNodes nodes = new DiscoveryNodes.Builder().add(node0).masterNodeId(node0.getId()).build();
    IndexMetadata indexMetadata = IndexMetadata.builder("index").settings(Settings.builder().put(IndexSettings.INDEX_CHECK_ON_STARTUP.getKey(), true).put(IndexSettings.MAX_SCRIPT_FIELDS_SETTING.getKey(), 10).put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0).put(IndexMetadata.SETTING_VERSION_CREATED, Version.CURRENT).build()).build();
    ImmutableOpenMap.Builder<String, IndexMetadata> openMapBuilder = ImmutableOpenMap.builder();
    openMapBuilder.put("index", indexMetadata);
    Metadata metadata = Metadata.builder().indices(openMapBuilder.build()).build();
    ClusterState clusterState = ClusterState.builder(new ClusterName("test")).nodes(nodes).metadata(metadata).build();
    RoutingExplanations routingExplanations = new RoutingExplanations();
    routingExplanations.add(new RerouteExplanation(new AllocateReplicaAllocationCommand("index", 0, "node0"), Decision.YES));
    ClusterRerouteResponse clusterRerouteResponse = new ClusterRerouteResponse(true, clusterState, routingExplanations);
    {
        XContentBuilder builder = JsonXContent.contentBuilder().prettyPrint();
        clusterRerouteResponse.toXContent(builder, ToXContent.EMPTY_PARAMS);
        assertEquals("{\n" + "  \"acknowledged\" : true,\n" + "  \"state\" : {\n" + "    \"cluster_uuid\" : \"_na_\",\n" + "    \"version\" : 0,\n" + "    \"state_uuid\" : \"" + clusterState.stateUUID() + "\",\n" + "    \"master_node\" : \"node0\",\n" + "    \"blocks\" : { },\n" + "    \"nodes\" : {\n" + "      \"node0\" : {\n" + "        \"name\" : \"\",\n" + "        \"ephemeral_id\" : \"" + node0.getEphemeralId() + "\",\n" + "        \"transport_address\" : \"0.0.0.0:9000\",\n" + "        \"attributes\" : { }\n" + "      }\n" + "    },\n" + "    \"metadata\" : {\n" + "      \"cluster_uuid\" : \"_na_\",\n" + "      \"cluster_uuid_committed\" : false,\n" + "      \"cluster_coordination\" : {\n" + "        \"term\" : 0,\n" + "        \"last_committed_config\" : [ ],\n" + "        \"last_accepted_config\" : [ ],\n" + "        \"voting_config_exclusions\" : [ ]\n" + "      },\n" + "      \"templates\" : { },\n" + "      \"indices\" : {\n" + "        \"index\" : {\n" + "          \"version\" : 1,\n" + "          \"mapping_version\" : 1,\n" + "          \"settings_version\" : 1,\n" + "          \"aliases_version\" : 1,\n" + "          \"routing_num_shards\" : 1,\n" + "          \"state\" : \"open\",\n" + "          \"settings\" : {\n" + "            \"index\" : {\n" + "              \"shard\" : {\n" + "                \"check_on_startup\" : \"true\"\n" + "              },\n" + "              \"number_of_shards\" : \"1\",\n" + "              \"number_of_replicas\" : \"0\",\n" + "              \"version\" : {\n" + "                \"created\" : \"" + Version.CURRENT.id + "\"\n" + "              },\n" + "              \"max_script_fields\" : \"10\"\n" + "            }\n" + "          },\n" + "          \"mappings\" : { },\n" + "          \"aliases\" : [ ],\n" + "          \"primary_terms\" : {\n" + "            \"0\" : 0\n" + "          },\n" + "          \"in_sync_allocations\" : {\n" + "            \"0\" : [ ]\n" + "          },\n" + "          \"rollover_info\" : { },\n" + "          \"system\" : false\n" + "        }\n" + "      },\n" + "      \"index-graveyard\" : {\n" + "        \"tombstones\" : [ ]\n" + "      }\n" + "    },\n" + "    \"routing_table\" : {\n" + "      \"indices\" : { }\n" + "    },\n" + "    \"routing_nodes\" : {\n" + "      \"unassigned\" : [ ],\n" + "      \"nodes\" : {\n" + "        \"node0\" : [ ]\n" + "      }\n" + "    }\n" + "  }\n" + "}", Strings.toString(builder));
    }
    {
        XContentBuilder builder = JsonXContent.contentBuilder().prettyPrint();
        Map<String, String> params = new HashMap<>();
        params.put("explain", "true");
        params.put("metric", "version,master_node");
        clusterRerouteResponse.toXContent(builder, new ToXContent.MapParams(params));
        assertEquals("{\n" + "  \"acknowledged\" : true,\n" + "  \"state\" : {\n" + "    \"cluster_uuid\" : \"_na_\",\n" + "    \"version\" : 0,\n" + "    \"state_uuid\" : \"" + clusterState.stateUUID() + "\",\n" + "    \"master_node\" : \"node0\"\n" + "  },\n" + "  \"explanations\" : [\n" + "    {\n" + "      \"command\" : \"allocate_replica\",\n" + "      \"parameters\" : {\n" + "        \"index\" : \"index\",\n" + "        \"shard\" : 0,\n" + "        \"node\" : \"node0\"\n" + "      },\n" + "      \"decisions\" : [\n" + "        {\n" + "          \"decider\" : null,\n" + "          \"decision\" : \"YES\",\n" + "          \"explanation\" : \"none\"\n" + "        }\n" + "      ]\n" + "    }\n" + "  ]\n" + "}", Strings.toString(builder));
    }
    {
        XContentBuilder builder = JsonXContent.contentBuilder().prettyPrint();
        Map<String, String> params = new HashMap<>();
        params.put("metric", "metadata");
        params.put("settings_filter", "index.number*,index.version.created");
        clusterRerouteResponse.toXContent(builder, new ToXContent.MapParams(params));
        assertEquals("{\n" + "  \"acknowledged\" : true,\n" + "  \"state\" : {\n" + "    \"cluster_uuid\" : \"_na_\",\n" + "    \"metadata\" : {\n" + "      \"cluster_uuid\" : \"_na_\",\n" + "      \"cluster_uuid_committed\" : false,\n" + "      \"cluster_coordination\" : {\n" + "        \"term\" : 0,\n" + "        \"last_committed_config\" : [ ],\n" + "        \"last_accepted_config\" : [ ],\n" + "        \"voting_config_exclusions\" : [ ]\n" + "      },\n" + "      \"templates\" : { },\n" + "      \"indices\" : {\n" + "        \"index\" : {\n" + "          \"version\" : 1,\n" + "          \"mapping_version\" : 1,\n" + "          \"settings_version\" : 1,\n" + "          \"aliases_version\" : 1,\n" + "          \"routing_num_shards\" : 1,\n" + "          \"state\" : \"open\",\n" + "          \"settings\" : {\n" + "            \"index\" : {\n" + "              \"max_script_fields\" : \"10\",\n" + "              \"shard\" : {\n" + "                \"check_on_startup\" : \"true\"\n" + "              }\n" + "            }\n" + "          },\n" + "          \"mappings\" : { },\n" + "          \"aliases\" : [ ],\n" + "          \"primary_terms\" : {\n" + "            \"0\" : 0\n" + "          },\n" + "          \"in_sync_allocations\" : {\n" + "            \"0\" : [ ]\n" + "          },\n" + "          \"rollover_info\" : { },\n" + "          \"system\" : false\n" + "        }\n" + "      },\n" + "      \"index-graveyard\" : {\n" + "        \"tombstones\" : [ ]\n" + "      }\n" + "    }\n" + "  }\n" + "}", Strings.toString(builder));
    }
}

Example 3 with AllocateReplicaAllocationCommand

use of org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand in project OpenSearch by opensearch-project.

the class RetryFailedAllocationTests method testRetryFailedResetForAllocationCommands.

public void testRetryFailedResetForAllocationCommands() {
    final int retries = MaxRetryAllocationDecider.SETTING_ALLOCATION_MAX_RETRY.get(Settings.EMPTY);
    clusterState = strategy.reroute(clusterState, "initial allocation");
    clusterState = startShardsAndReroute(strategy, clusterState, getPrimary());
    // Exhaust all replica allocation attempts with shard failures
    for (int i = 0; i < retries; i++) {
        List<FailedShard> failedShards = Collections.singletonList(new FailedShard(getReplica(), "failing-shard::attempt-" + i, new OpenSearchException("simulated"), randomBoolean()));
        clusterState = strategy.applyFailedShards(clusterState, failedShards);
        clusterState = strategy.reroute(clusterState, "allocation retry attempt-" + i);
    }
    assertThat("replica should not be assigned", getReplica().state(), equalTo(ShardRoutingState.UNASSIGNED));
    assertThat("reroute should be a no-op", strategy.reroute(clusterState, "test"), sameInstance(clusterState));
    // Now allocate replica with retry_failed flag set
    AllocationService.CommandsResult result = strategy.reroute(clusterState, new AllocationCommands(new AllocateReplicaAllocationCommand(INDEX_NAME, 0, getPrimary().currentNodeId().equals("node1") ? "node2" : "node1")), false, true);
    clusterState = result.getClusterState();
    assertEquals(ShardRoutingState.INITIALIZING, getReplica().state());
    clusterState = startShardsAndReroute(strategy, clusterState, getReplica());
    assertEquals(ShardRoutingState.STARTED, getReplica().state());
    assertFalse(clusterState.getRoutingNodes().hasUnassignedShards());
}

Example 4 with AllocateReplicaAllocationCommand

use of org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand in project OpenSearch by opensearch-project.

the class AllocationCommandsTests method testCancelCommand.

public void testCancelCommand() {
    AllocationService allocation = createAllocationService(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), "none").put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), "none").build());
    logger.info("--> building initial routing table");
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1)).build();
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metadata.index("test")).build();
    ClusterState clusterState = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    logger.info("--> adding 3 nodes");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2")).add(newNode("node3"))).build();
    clusterState = allocation.reroute(clusterState, "reroute");
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(0));
    logger.info("--> allocating empty primary shard with accept_data_loss flag set to true");
    ClusterState newState = allocation.reroute(clusterState, new AllocationCommands(new AllocateEmptyPrimaryAllocationCommand("test", 0, "node1", true)), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(INITIALIZING).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
    logger.info("--> cancel primary allocation, make sure it fails...");
    try {
        allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node1", false)), false, false);
        fail();
    } catch (IllegalArgumentException e) {
    }
    logger.info("--> start the primary shard");
    clusterState = startInitializingShardsAndReroute(allocation, clusterState);
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
    logger.info("--> cancel primary allocation, make sure it fails...");
    try {
        allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node1", false)), false, false);
        fail();
    } catch (IllegalArgumentException e) {
    }
    logger.info("--> allocate the replica shard on on the second node");
    newState = allocation.reroute(clusterState, new AllocationCommands(new AllocateReplicaAllocationCommand("test", 0, "node2")), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(INITIALIZING).size(), equalTo(1));
    logger.info("--> cancel the relocation allocation");
    newState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node2", false)), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
    assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(0));
    logger.info("--> allocate the replica shard on on the second node");
    newState = allocation.reroute(clusterState, new AllocationCommands(new AllocateReplicaAllocationCommand("test", 0, "node2")), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().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("test", 0, "node1", false)), false, false);
        fail();
    } catch (IllegalArgumentException e) {
    }
    logger.info("--> start the replica shard");
    clusterState = startInitializingShardsAndReroute(allocation, clusterState);
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));
    logger.info("--> cancel allocation of the replica shard");
    newState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node2", false)), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
    assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(0));
    logger.info("--> allocate the replica shard on on the second node");
    newState = allocation.reroute(clusterState, new AllocationCommands(new AllocateReplicaAllocationCommand("test", 0, "node2")), false, false).getClusterState();
    assertThat(newState, not(equalTo(clusterState)));
    clusterState = newState;
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(INITIALIZING).size(), equalTo(1));
    logger.info("--> start the replica shard");
    clusterState = startInitializingShardsAndReroute(allocation, clusterState);
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));
    logger.info("--> move the replica shard");
    clusterState = allocation.reroute(clusterState, new AllocationCommands(new MoveAllocationCommand("test", 0, "node2", "node3")), false, false).getClusterState();
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(RELOCATING).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(INITIALIZING).size(), equalTo(1));
    if (randomBoolean()) {
        logger.info("--> cancel the primary allocation (with allow_primary set to true)");
        newState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node1", true)), false, false).getClusterState();
        assertThat(newState, not(equalTo(clusterState)));
        clusterState = newState;
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(0));
        assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(STARTED).iterator().next().primary(), equalTo(true));
        assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(0));
    } else {
        logger.info("--> cancel the move of the replica shard");
        clusterState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node3", false)), false, false).getClusterState();
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(STARTED).size(), equalTo(1));
        logger.info("--> move the replica shard again");
        clusterState = allocation.reroute(clusterState, new AllocationCommands(new MoveAllocationCommand("test", 0, "node2", "node3")), false, false).getClusterState();
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").shardsWithState(RELOCATING).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(INITIALIZING).size(), equalTo(1));
        logger.info("--> cancel the source replica shard");
        clusterState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node2", false)), false, false).getClusterState();
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
        assertThat(clusterState.getRoutingNodes().node("node3").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(INITIALIZING).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(INITIALIZING).get(0).relocatingNodeId(), nullValue());
        logger.info("--> start the former target replica shard");
        clusterState = startInitializingShardsAndReroute(allocation, clusterState);
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node1").shardsWithState(STARTED).size(), equalTo(1));
        assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
        assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(STARTED).size(), equalTo(1));
        logger.info("--> cancel the primary allocation (with allow_primary set to true)");
        newState = allocation.reroute(clusterState, new AllocationCommands(new CancelAllocationCommand("test", 0, "node1", true)), false, false).getClusterState();
        assertThat(newState, not(equalTo(clusterState)));
        clusterState = newState;
        assertThat(clusterState.getRoutingNodes().node("node3").shardsWithState(STARTED).iterator().next().primary(), equalTo(true));
        assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(0));
        assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(0));
    }
}

Example 5 with AllocateReplicaAllocationCommand

use of org.opensearch.cluster.routing.allocation.command.AllocateReplicaAllocationCommand in project OpenSearch by opensearch-project.

the class AllocationCommandsTests method testConflictingCommandsInSingleRequest.

public void testConflictingCommandsInSingleRequest() {
    AllocationService allocation = createAllocationService(Settings.builder().put(EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING.getKey(), "none").put(EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), "none").build());
    final String index1 = "test1";
    final String index2 = "test2";
    final String index3 = "test3";
    logger.info("--> building initial routing table");
    Metadata metadata = Metadata.builder().put(IndexMetadata.builder(index1).settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1).putInSyncAllocationIds(0, Collections.singleton("randomAllocID")).putInSyncAllocationIds(1, Collections.singleton("randomAllocID2"))).put(IndexMetadata.builder(index2).settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1).putInSyncAllocationIds(0, Collections.singleton("randomAllocID")).putInSyncAllocationIds(1, Collections.singleton("randomAllocID2"))).put(IndexMetadata.builder(index3).settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1).putInSyncAllocationIds(0, Collections.singleton("randomAllocID")).putInSyncAllocationIds(1, Collections.singleton("randomAllocID2"))).build();
    RoutingTable routingTable = RoutingTable.builder().addAsRecovery(metadata.index(index1)).addAsRecovery(metadata.index(index2)).addAsRecovery(metadata.index(index3)).build();
    ClusterState clusterState = ClusterState.builder(org.opensearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metadata(metadata).routingTable(routingTable).build();
    final String node1 = "node1";
    final String node2 = "node2";
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode(node1)).add(newNode(node2))).build();
    final ClusterState finalClusterState = allocation.reroute(clusterState, "reroute");
    logger.info("--> allocating same index primary in multiple commands should fail");
    assertThat(expectThrows(IllegalArgumentException.class, () -> {
        allocation.reroute(finalClusterState, new AllocationCommands(new AllocateStalePrimaryAllocationCommand(index1, 0, node1, true), new AllocateStalePrimaryAllocationCommand(index1, 0, node2, true)), false, false);
    }).getMessage(), containsString("primary [" + index1 + "][0] is already assigned"));
    assertThat(expectThrows(IllegalArgumentException.class, () -> {
        allocation.reroute(finalClusterState, new AllocationCommands(new AllocateEmptyPrimaryAllocationCommand(index2, 0, node1, true), new AllocateEmptyPrimaryAllocationCommand(index2, 0, node2, true)), false, false);
    }).getMessage(), containsString("primary [" + index2 + "][0] is already assigned"));
    clusterState = allocation.reroute(clusterState, new AllocationCommands(new AllocateEmptyPrimaryAllocationCommand(index3, 0, node1, true)), false, false).getClusterState();
    clusterState = startInitializingShardsAndReroute(allocation, clusterState);
    final ClusterState updatedClusterState = clusterState;
    assertThat(updatedClusterState.getRoutingNodes().node(node1).shardsWithState(STARTED).size(), equalTo(1));
    logger.info("--> subsequent replica allocation fails as all configured replicas have been allocated");
    assertThat(expectThrows(IllegalArgumentException.class, () -> {
        allocation.reroute(updatedClusterState, new AllocationCommands(new AllocateReplicaAllocationCommand(index3, 0, node2), new AllocateReplicaAllocationCommand(index3, 0, node2)), false, false);
    }).getMessage(), containsString("all copies of [" + index3 + "][0] are already assigned. Use the move allocation command instead"));
}