public static void toXContent(
        IndexMetaData indexMetaData, XContentBuilder builder, ToXContent.Params params)
        throws IOException {
      builder.startObject(
          indexMetaData.getIndex().getName(), XContentBuilder.FieldCaseConversion.NONE);

      builder.field("version", indexMetaData.getVersion());
      builder.field("state", indexMetaData.getState().toString().toLowerCase(Locale.ENGLISH));

      boolean binary = params.paramAsBoolean("binary", false);

      builder.startObject("settings");
      for (Map.Entry<String, String> entry : indexMetaData.getSettings().getAsMap().entrySet()) {
        builder.field(entry.getKey(), entry.getValue());
      }
      builder.endObject();

      builder.startArray("mappings");
      for (ObjectObjectCursor<String, MappingMetaData> cursor : indexMetaData.getMappings()) {
        if (binary) {
          builder.value(cursor.value.source().compressed());
        } else {
          byte[] data = cursor.value.source().uncompressed();
          XContentParser parser = XContentFactory.xContent(data).createParser(data);
          Map<String, Object> mapping = parser.mapOrdered();
          parser.close();
          builder.map(mapping);
        }
      }
      builder.endArray();

      for (ObjectObjectCursor<String, Custom> cursor : indexMetaData.getCustoms()) {
        builder.startObject(cursor.key, XContentBuilder.FieldCaseConversion.NONE);
        cursor.value.toXContent(builder, params);
        builder.endObject();
      }

      builder.startObject("aliases");
      for (ObjectCursor<AliasMetaData> cursor : indexMetaData.getAliases().values()) {
        AliasMetaData.Builder.toXContent(cursor.value, builder, params);
      }
      builder.endObject();

      builder.startObject(KEY_ACTIVE_ALLOCATIONS);
      for (IntObjectCursor<Set<String>> cursor : indexMetaData.activeAllocationIds) {
        builder.startArray(String.valueOf(cursor.key));
        for (String allocationId : cursor.value) {
          builder.value(allocationId);
        }
        builder.endArray();
      }
      builder.endObject();

      builder.endObject();
    }
Example #2
0
  public void testCloseIndexAcknowledgement() {
    createIndex("test");
    ensureGreen();

    assertAcked(client().admin().indices().prepareClose("test"));

    for (Client client : clients()) {
      IndexMetaData indexMetaData = getLocalClusterState(client).metaData().indices().get("test");
      assertThat(indexMetaData.getState(), equalTo(State.CLOSE));
    }
  }
 /**
  * Elasticsearch 3.0 no longer supports indices with pre Lucene v5.0 (Elasticsearch v2.0.0.beta1)
  * segments. All indices that were created before Elasticsearch v2.0.0.beta1 should be upgraded
  * using upgrade API before they can be open by this version of elasticsearch.
  */
 private void checkSupportedVersion(IndexMetaData indexMetaData) {
   if (indexMetaData.getState() == IndexMetaData.State.OPEN
       && isSupportedVersion(indexMetaData) == false) {
     throw new IllegalStateException(
         "The index ["
             + indexMetaData.getIndex()
             + "] was created before v2.0.0.beta1 and wasn't upgraded."
             + " This index should be open using a version before "
             + Version.CURRENT.minimumCompatibilityVersion()
             + " and upgraded using the upgrade API.");
   }
 }
 private boolean addFailureIfIndexIsUnavailable(
     DocumentRequest request,
     BulkRequest bulkRequest,
     AtomicArray<BulkItemResponse> responses,
     int idx,
     final ConcreteIndices concreteIndices,
     final MetaData metaData) {
   String concreteIndex = concreteIndices.getConcreteIndex(request.index());
   Exception unavailableException = null;
   if (concreteIndex == null) {
     try {
       concreteIndex = concreteIndices.resolveIfAbsent(request);
     } catch (IndexClosedException | IndexNotFoundException ex) {
       // Fix for issue where bulk request references an index that
       // cannot be auto-created see issue #8125
       unavailableException = ex;
     }
   }
   if (unavailableException == null) {
     IndexMetaData indexMetaData = metaData.index(concreteIndex);
     if (indexMetaData.getState() == IndexMetaData.State.CLOSE) {
       unavailableException = new IndexClosedException(metaData.index(request.index()).getIndex());
     }
   }
   if (unavailableException != null) {
     BulkItemResponse.Failure failure =
         new BulkItemResponse.Failure(
             request.index(), request.type(), request.id(), unavailableException);
     String operationType = "unknown";
     if (request instanceof IndexRequest) {
       operationType = "index";
     } else if (request instanceof DeleteRequest) {
       operationType = "delete";
     } else if (request instanceof UpdateRequest) {
       operationType = "update";
     }
     BulkItemResponse bulkItemResponse = new BulkItemResponse(idx, operationType, failure);
     responses.set(idx, bulkItemResponse);
     // make sure the request gets never processed again
     bulkRequest.requests.set(idx, null);
     return true;
   }
   return false;
 }
 public Builder addBlocks(IndexMetaData indexMetaData) {
   if (indexMetaData.getState() == IndexMetaData.State.CLOSE) {
     addIndexBlock(
         indexMetaData.getIndex().getName(), MetaDataIndexStateService.INDEX_CLOSED_BLOCK);
   }
   if (IndexMetaData.INDEX_READ_ONLY_SETTING.get(indexMetaData.getSettings())) {
     addIndexBlock(indexMetaData.getIndex().getName(), IndexMetaData.INDEX_READ_ONLY_BLOCK);
   }
   if (IndexMetaData.INDEX_BLOCKS_READ_SETTING.get(indexMetaData.getSettings())) {
     addIndexBlock(indexMetaData.getIndex().getName(), IndexMetaData.INDEX_READ_BLOCK);
   }
   if (IndexMetaData.INDEX_BLOCKS_WRITE_SETTING.get(indexMetaData.getSettings())) {
     addIndexBlock(indexMetaData.getIndex().getName(), IndexMetaData.INDEX_WRITE_BLOCK);
   }
   if (IndexMetaData.INDEX_BLOCKS_METADATA_SETTING.get(indexMetaData.getSettings())) {
     addIndexBlock(indexMetaData.getIndex().getName(), IndexMetaData.INDEX_METADATA_BLOCK);
   }
   return this;
 }
Example #6
0
    private ClusterState applyUpdate(ClusterState currentState, ClusterChangedEvent task) {
      boolean clusterStateChanged = false;
      ClusterState tribeState = task.state();
      DiscoveryNodes.Builder nodes = DiscoveryNodes.builder(currentState.nodes());
      // -- merge nodes
      // go over existing nodes, and see if they need to be removed
      for (DiscoveryNode discoNode : currentState.nodes()) {
        String markedTribeName = discoNode.attributes().get(TRIBE_NAME);
        if (markedTribeName != null && markedTribeName.equals(tribeName)) {
          if (tribeState.nodes().get(discoNode.id()) == null) {
            clusterStateChanged = true;
            logger.info("[{}] removing node [{}]", tribeName, discoNode);
            nodes.remove(discoNode.id());
          }
        }
      }
      // go over tribe nodes, and see if they need to be added
      for (DiscoveryNode tribe : tribeState.nodes()) {
        if (currentState.nodes().get(tribe.id()) == null) {
          // a new node, add it, but also add the tribe name to the attributes
          Map<String, String> tribeAttr = new HashMap<>();
          for (ObjectObjectCursor<String, String> attr : tribe.attributes()) {
            tribeAttr.put(attr.key, attr.value);
          }
          tribeAttr.put(TRIBE_NAME, tribeName);
          DiscoveryNode discoNode =
              new DiscoveryNode(
                  tribe.name(),
                  tribe.id(),
                  tribe.getHostName(),
                  tribe.getHostAddress(),
                  tribe.address(),
                  unmodifiableMap(tribeAttr),
                  tribe.version());
          clusterStateChanged = true;
          logger.info("[{}] adding node [{}]", tribeName, discoNode);
          nodes.put(discoNode);
        }
      }

      // -- merge metadata
      ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks());
      MetaData.Builder metaData = MetaData.builder(currentState.metaData());
      RoutingTable.Builder routingTable = RoutingTable.builder(currentState.routingTable());
      // go over existing indices, and see if they need to be removed
      for (IndexMetaData index : currentState.metaData()) {
        String markedTribeName = index.getSettings().get(TRIBE_NAME);
        if (markedTribeName != null && markedTribeName.equals(tribeName)) {
          IndexMetaData tribeIndex = tribeState.metaData().index(index.getIndex());
          clusterStateChanged = true;
          if (tribeIndex == null || tribeIndex.getState() == IndexMetaData.State.CLOSE) {
            logger.info("[{}] removing index [{}]", tribeName, index.getIndex());
            removeIndex(blocks, metaData, routingTable, index);
          } else {
            // always make sure to update the metadata and routing table, in case
            // there are changes in them (new mapping, shards moving from initializing to started)
            routingTable.add(tribeState.routingTable().index(index.getIndex()));
            Settings tribeSettings =
                Settings.builder().put(tribeIndex.getSettings()).put(TRIBE_NAME, tribeName).build();
            metaData.put(IndexMetaData.builder(tribeIndex).settings(tribeSettings));
          }
        }
      }
      // go over tribe one, and see if they need to be added
      for (IndexMetaData tribeIndex : tribeState.metaData()) {
        // if there is no routing table yet, do nothing with it...
        IndexRoutingTable table = tribeState.routingTable().index(tribeIndex.getIndex());
        if (table == null) {
          continue;
        }
        final IndexMetaData indexMetaData = currentState.metaData().index(tribeIndex.getIndex());
        if (indexMetaData == null) {
          if (!droppedIndices.contains(tribeIndex.getIndex())) {
            // a new index, add it, and add the tribe name as a setting
            clusterStateChanged = true;
            logger.info("[{}] adding index [{}]", tribeName, tribeIndex.getIndex());
            addNewIndex(tribeState, blocks, metaData, routingTable, tribeIndex);
          }
        } else {
          String existingFromTribe = indexMetaData.getSettings().get(TRIBE_NAME);
          if (!tribeName.equals(existingFromTribe)) {
            // we have a potential conflict on index names, decide what to do...
            if (ON_CONFLICT_ANY.equals(onConflict)) {
              // we chose any tribe, carry on
            } else if (ON_CONFLICT_DROP.equals(onConflict)) {
              // drop the indices, there is a conflict
              clusterStateChanged = true;
              logger.info(
                  "[{}] dropping index [{}] due to conflict with [{}]",
                  tribeName,
                  tribeIndex.getIndex(),
                  existingFromTribe);
              removeIndex(blocks, metaData, routingTable, tribeIndex);
              droppedIndices.add(tribeIndex.getIndex());
            } else if (onConflict.startsWith(ON_CONFLICT_PREFER)) {
              // on conflict, prefer a tribe...
              String preferredTribeName = onConflict.substring(ON_CONFLICT_PREFER.length());
              if (tribeName.equals(preferredTribeName)) {
                // the new one is hte preferred one, replace...
                clusterStateChanged = true;
                logger.info(
                    "[{}] adding index [{}], preferred over [{}]",
                    tribeName,
                    tribeIndex.getIndex(),
                    existingFromTribe);
                removeIndex(blocks, metaData, routingTable, tribeIndex);
                addNewIndex(tribeState, blocks, metaData, routingTable, tribeIndex);
              } // else: either the existing one is the preferred one, or we haven't seen one, carry
                // on
            }
          }
        }
      }

      if (!clusterStateChanged) {
        return currentState;
      } else {
        return ClusterState.builder(currentState)
            .incrementVersion()
            .blocks(blocks)
            .nodes(nodes)
            .metaData(metaData)
            .routingTable(routingTable.build())
            .build();
      }
    }
Example #7
0
    public MetaData build() {
      // TODO: We should move these datastructures to IndexNameExpressionResolver, this will give
      // the following benefits:
      // 1) The datastructures will only be rebuilded when needed. Now during serializing we rebuild
      // these datastructures
      //    while these datastructures aren't even used.
      // 2) The aliasAndIndexLookup can be updated instead of rebuilding it all the time.

      // build all concrete indices arrays:
      // TODO: I think we can remove these arrays. it isn't worth the effort, for operations on all
      // indices.
      // When doing an operation across all indices, most of the time is spent on actually going to
      // all shards and
      // do the required operations, the bottleneck isn't resolving expressions into concrete
      // indices.
      List<String> allIndicesLst = new ArrayList<>();
      for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
        allIndicesLst.add(cursor.value.getIndex().getName());
      }
      String[] allIndices = allIndicesLst.toArray(new String[allIndicesLst.size()]);

      List<String> allOpenIndicesLst = new ArrayList<>();
      List<String> allClosedIndicesLst = new ArrayList<>();
      for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
        IndexMetaData indexMetaData = cursor.value;
        if (indexMetaData.getState() == IndexMetaData.State.OPEN) {
          allOpenIndicesLst.add(indexMetaData.getIndex().getName());
        } else if (indexMetaData.getState() == IndexMetaData.State.CLOSE) {
          allClosedIndicesLst.add(indexMetaData.getIndex().getName());
        }
      }
      String[] allOpenIndices = allOpenIndicesLst.toArray(new String[allOpenIndicesLst.size()]);
      String[] allClosedIndices =
          allClosedIndicesLst.toArray(new String[allClosedIndicesLst.size()]);

      // build all indices map
      SortedMap<String, AliasOrIndex> aliasAndIndexLookup = new TreeMap<>();
      for (ObjectCursor<IndexMetaData> cursor : indices.values()) {
        IndexMetaData indexMetaData = cursor.value;
        aliasAndIndexLookup.put(
            indexMetaData.getIndex().getName(), new AliasOrIndex.Index(indexMetaData));

        for (ObjectObjectCursor<String, AliasMetaData> aliasCursor : indexMetaData.getAliases()) {
          AliasMetaData aliasMetaData = aliasCursor.value;
          AliasOrIndex aliasOrIndex = aliasAndIndexLookup.get(aliasMetaData.getAlias());
          if (aliasOrIndex == null) {
            aliasOrIndex = new AliasOrIndex.Alias(aliasMetaData, indexMetaData);
            aliasAndIndexLookup.put(aliasMetaData.getAlias(), aliasOrIndex);
          } else if (aliasOrIndex instanceof AliasOrIndex.Alias) {
            AliasOrIndex.Alias alias = (AliasOrIndex.Alias) aliasOrIndex;
            alias.addIndex(indexMetaData);
          } else if (aliasOrIndex instanceof AliasOrIndex.Index) {
            AliasOrIndex.Index index = (AliasOrIndex.Index) aliasOrIndex;
            throw new IllegalStateException(
                "index and alias names need to be unique, but alias ["
                    + aliasMetaData.getAlias()
                    + "] and index "
                    + index.getIndex().getIndex()
                    + " have the same name");
          } else {
            throw new IllegalStateException(
                "unexpected alias [" + aliasMetaData.getAlias() + "][" + aliasOrIndex + "]");
          }
        }
      }
      aliasAndIndexLookup = Collections.unmodifiableSortedMap(aliasAndIndexLookup);
      return new MetaData(
          clusterUUID,
          version,
          transientSettings,
          persistentSettings,
          indices.build(),
          templates.build(),
          customs.build(),
          allIndices,
          allOpenIndices,
          allClosedIndices,
          aliasAndIndexLookup);
    }