Package org.elasticsearch.cluster.metadata

Examples of org.elasticsearch.cluster.metadata.MetaData

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@Test
public class ToAndFromJsonMetaDataTests {

    @Test
    public void testSimpleJsonFromAndTo() throws IOException {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test1")
                        .numberOfShards(1)
                        .numberOfReplicas(2))
                .put(newIndexMetaDataBuilder("test2")
                        .settings(settingsBuilder().put("setting1", "value1").put("setting2", "value2"))
                        .numberOfShards(2)
                        .numberOfReplicas(3))
                .put(newIndexMetaDataBuilder("test3")
                        .numberOfShards(1)
                        .numberOfReplicas(2)
                        .putMapping("mapping1", MAPPING_SOURCE1))
                .put(newIndexMetaDataBuilder("test4")
                        .settings(settingsBuilder().put("setting1", "value1").put("setting2", "value2"))
                        .numberOfShards(1)
                        .numberOfReplicas(2)
                        .putMapping("mapping1", MAPPING_SOURCE1)
                        .putMapping("mapping2", MAPPING_SOURCE2))
                .put(newIndexMetaDataBuilder("test5")
                        .settings(settingsBuilder().put("setting1", "value1").put("setting2", "value2"))
                        .numberOfShards(1)
                        .numberOfReplicas(2)
                        .putMapping("mapping1", MAPPING_SOURCE1)
                        .putMapping("mapping2", MAPPING_SOURCE2)
                        .putAlias(newAliasMetaDataBuilder("alias1"))
                        .putAlias(newAliasMetaDataBuilder("alias2")))
                .put(newIndexMetaDataBuilder("test6")
                        .settings(settingsBuilder()
                                .put("setting1", "value1")
                                .put("setting2", "value2")
                                .put("index.aliases.0", "alias3")
                                .put("index.aliases.1", "alias1"))
                        .numberOfShards(1)
                        .numberOfReplicas(2)
                        .putMapping("mapping1", MAPPING_SOURCE1)
                        .putMapping("mapping2", MAPPING_SOURCE2)
                        .putAlias(newAliasMetaDataBuilder("alias1"))
                        .putAlias(newAliasMetaDataBuilder("alias2")))
                .put(newIndexMetaDataBuilder("test7")
                        .settings(settingsBuilder()
                                .put("setting1", "value1")
                                .put("setting2", "value2")
                                .put("index.aliases.0", "alias3")
                                .put("index.aliases.1", "alias1"))
                        .numberOfShards(1)
                        .numberOfReplicas(2)
                        .putMapping("mapping1", MAPPING_SOURCE1)
                        .putMapping("mapping2", MAPPING_SOURCE2)
                        .putAlias(newAliasMetaDataBuilder("alias1").filter(ALIAS_FILTER1))
                        .putAlias(newAliasMetaDataBuilder("alias2"))
                        .putAlias(newAliasMetaDataBuilder("alias4").filter(ALIAS_FILTER2)))
                .build();

        String metaDataSource = MetaData.Builder.toXContent(metaData);
        System.out.println("ToJson: " + metaDataSource);

        MetaData parsedMetaData = MetaData.Builder.fromXContent(XContentFactory.xContent(XContentType.JSON).createParser(metaDataSource));

        IndexMetaData indexMetaData = parsedMetaData.index("test1");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(2));
        assertThat(indexMetaData.mappings().size(), equalTo(0));

        indexMetaData = parsedMetaData.index("test2");
        assertThat(indexMetaData.numberOfShards(), equalTo(2));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(3));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(4));
        assertThat(indexMetaData.settings().get("setting1"), equalTo("value1"));
        assertThat(indexMetaData.settings().get("setting2"), equalTo("value2"));
        assertThat(indexMetaData.mappings().size(), equalTo(0));

        indexMetaData = parsedMetaData.index("test3");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(2));
        assertThat(indexMetaData.mappings().size(), equalTo(1));
        assertThat(indexMetaData.mappings().get("mapping1").source().string(), equalTo(MAPPING_SOURCE1));

        indexMetaData = parsedMetaData.index("test4");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(4));
        assertThat(indexMetaData.settings().get("setting1"), equalTo("value1"));
        assertThat(indexMetaData.settings().get("setting2"), equalTo("value2"));
        assertThat(indexMetaData.mappings().size(), equalTo(2));
        assertThat(indexMetaData.mappings().get("mapping1").source().string(), equalTo(MAPPING_SOURCE1));
        assertThat(indexMetaData.mappings().get("mapping2").source().string(), equalTo(MAPPING_SOURCE2));

        indexMetaData = parsedMetaData.index("test5");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(4));
        assertThat(indexMetaData.settings().get("setting1"), equalTo("value1"));
        assertThat(indexMetaData.settings().get("setting2"), equalTo("value2"));
        assertThat(indexMetaData.mappings().size(), equalTo(2));
        assertThat(indexMetaData.mappings().get("mapping1").source().string(), equalTo(MAPPING_SOURCE1));
        assertThat(indexMetaData.mappings().get("mapping2").source().string(), equalTo(MAPPING_SOURCE2));
        assertThat(indexMetaData.aliases().size(), equalTo(2));
        assertThat(indexMetaData.aliases().get("alias1").alias(), equalTo("alias1"));
        assertThat(indexMetaData.aliases().get("alias2").alias(), equalTo("alias2"));

        indexMetaData = parsedMetaData.index("test6");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(4));
        assertThat(indexMetaData.settings().get("setting1"), equalTo("value1"));
        assertThat(indexMetaData.settings().get("setting2"), equalTo("value2"));
        assertThat(indexMetaData.mappings().size(), equalTo(2));
        assertThat(indexMetaData.mappings().get("mapping1").source().string(), equalTo(MAPPING_SOURCE1));
        assertThat(indexMetaData.mappings().get("mapping2").source().string(), equalTo(MAPPING_SOURCE2));
        assertThat(indexMetaData.aliases().size(), equalTo(3));
        assertThat(indexMetaData.aliases().get("alias1").alias(), equalTo("alias1"));
        assertThat(indexMetaData.aliases().get("alias2").alias(), equalTo("alias2"));
        assertThat(indexMetaData.aliases().get("alias3").alias(), equalTo("alias3"));

        indexMetaData = parsedMetaData.index("test7");
        assertThat(indexMetaData.numberOfShards(), equalTo(1));
        assertThat(indexMetaData.numberOfReplicas(), equalTo(2));
        assertThat(indexMetaData.settings().getAsMap().size(), equalTo(4));
        assertThat(indexMetaData.settings().get("setting1"), equalTo("value1"));
        assertThat(indexMetaData.settings().get("setting2"), equalTo("value2"));
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* @author kimchy (Shay Banon)
*/
public class ClusterSerializationTests {

    @Test public void testClusterStateSerialization() throws Exception {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test").numberOfShards(10).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.newNodesBuilder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).localNodeId("node1").masterNodeId("node2").build();

        ClusterState clusterState = newClusterStateBuilder().nodes(nodes).metaData(metaData).routingTable(routingTable).build();
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        assertThat(serializedClusterState.routingTable().prettyPrint(), equalTo(clusterState.routingTable().prettyPrint()));
    }


    @Test public void testRoutingTableSerialization() throws Exception {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test").numberOfShards(10).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.newNodesBuilder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).build();

        ClusterState clusterState = newClusterStateBuilder().nodes(nodes).metaData(metaData).routingTable(routingTable).build();
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        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
    }

    @Test public void testIterator1() {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test1").numberOfShards(1).numberOfReplicas(2))
                .build();
        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test1").initializeEmpty(metaData.index("test1")))
                .build();

        ShardIterator shardIterator = routingTable.index("test1").shard(0).shardsIt(0);
        assertThat(shardIterator.size(), equalTo(3));
        assertThat(shardIterator.firstOrNull(), notNullValue());
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        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
    }

    @Test public void testIterator2() {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test1").numberOfShards(1).numberOfReplicas(1))
                .put(newIndexMetaDataBuilder("test2").numberOfShards(1).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test1").initializeEmpty(metaData.index("test1")))
                .add(indexRoutingTable("test2").initializeEmpty(metaData.index("test2")))
                .build();

        ShardIterator shardIterator = routingTable.index("test1").shard(0).shardsIt(0);
        assertThat(shardIterator.size(), equalTo(2));
        assertThat(shardIterator.firstOrNull(), notNullValue());
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        assertThat(shardRouting7, sameInstance(shardRouting3));
        assertThat(shardRouting8, sameInstance(shardRouting4));
    }

    @Test public void testRandomRouting() {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test1").numberOfShards(1).numberOfReplicas(1))
                .put(newIndexMetaDataBuilder("test2").numberOfShards(1).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test1").initializeEmpty(metaData.index("test1")))
                .add(indexRoutingTable("test2").initializeEmpty(metaData.index("test2")))
                .build();

        ShardIterator shardIterator = routingTable.index("test1").shard(0).shardsRandomIt();
        ShardRouting shardRouting1 = shardIterator.nextOrNull();
        assertThat(shardRouting1, notNullValue());
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                    continue;
                }
                masterFD.start(masterNode, "initial_join");

                // we update the metadata once we managed to join, so we pre-create indices and so on (no shards allocation)
                final MetaData metaData = clusterState.metaData();
                // sync also the version with the version the master currently has, so the next update will be applied
                final long version = clusterState.version();
                clusterService.submitStateUpdateTask("zen-disco-join (detected master)", new ProcessedClusterStateUpdateTask() {
                    @Override public ClusterState execute(ClusterState currentState) {
                        ClusterBlocks clusterBlocks = ClusterBlocks.builder().blocks(currentState.blocks()).removeGlobalBlock(NO_MASTER_BLOCK).build();
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                .build();

        // clear the routing table, we have no master, so we need to recreate the routing when we reform the cluster
        RoutingTable routingTable = RoutingTable.builder().version(clusterState.routingTable().version()).build();
        // we also clean the metadata, since we are going to recover it if we become master
        MetaData metaData = MetaData.builder().build();

        // clean the nodes, we are now not connected to anybody, since we try and reform the cluster
        latestDiscoNodes = new DiscoveryNodes.Builder().put(localNode).localNodeId(localNode.id()).build();

        asyncJoinCluster();
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        assertThat(shardIterator.nextOrNull(), nullValue());
        assertThat(shardIterator.remaining(), equalTo(0));
    }

    @Test public void testIterator1() {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test1").numberOfShards(1).numberOfReplicas(2))
                .build();
        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test1").initializeEmpty(metaData.index("test1")))
                .build();

        ShardIterator shardIterator = routingTable.index("test1").shard(0).shardsIt(0);
        assertThat(shardIterator.size(), equalTo(3));
        assertThat(shardIterator.firstOrNull(), notNullValue());
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* @author kimchy (Shay Banon)
*/
public class ClusterSerializationTests {

    @Test public void testClusterStateSerialization() throws Exception {
        MetaData metaData = newMetaDataBuilder()
                .put(newIndexMetaDataBuilder("test").numberOfShards(10).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = routingTable()
                .add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.newNodesBuilder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).localNodeId("node1").masterNodeId("node2").build();

        ClusterState clusterState = newClusterStateBuilder().nodes(nodes).metaData(metaData).routingTable(routingTable).build();
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