Table buildTable()

in server/src/main/java/org/elasticsearch/rest/action/cat/RestIndicesAction.java [535:825]

• 203 lines of code
• 149 McCabe index (conditional complexity)

    Table buildTable(
        final RestRequest request,
        final Map<String, Settings> indicesSettings,
        final ClusterState clusterState,
        final Map<String, IndexStats> indicesStats
    ) {
        final String healthParam = request.param("health");
        final ClusterHealthStatus healthStatusFilter = healthParam == null ? null : ClusterHealthStatus.fromString(healthParam);

        final Table table = getTableWithHeader(request);

        if (clusterState.metadata().projects().size() != 1) {
            throw new IllegalStateException(
                clusterState.metadata().projects().isEmpty() ? "No project available" : "Cluster has multiple projects"
            );
        }
        final ProjectMetadata project = clusterState.metadata().getProject(projectIdResolver.getProjectId());

        // Use indicesSettings to determine the indices returned - see [NOTE: WHY GET SETTINGS] above for details.
        indicesSettings.forEach((indexName, settings) -> {
            final IndexMetadata indexMetadata = project.index(indexName);

            if (indexMetadata == null) {
                // The index exists in indicesSettings but its metadata is missing, which means it was created or deleted
                // concurrently with this action. However none of the requests returned an IndexNotFoundException so we do not require it to
                // exist, and therefore we can just skip it.
                return;
            }

            final IndexMetadata.State indexState = indexMetadata.getState();
            final IndexStats indexStats = indicesStats.get(indexName);

            final IndexRoutingTable indexRoutingTable = clusterState.routingTable(project.id()).index(indexName);
            final ClusterHealthStatus indexHealthStatus = indexRoutingTable == null
                ? ClusterHealthStatus.RED // no routing table => cluster not recovered
                : new ClusterIndexHealth(indexMetadata, indexRoutingTable).getStatus();

            if (healthStatusFilter != null && indexHealthStatus != healthStatusFilter) {
                // index health does not match the one requested
                return;
            }

            final String health;
            if (indexRoutingTable != null) {
                health = indexHealthStatus.toString().toLowerCase(Locale.ROOT);
            } else if (indexStats != null) {
                health = "red*";
            } else {
                health = "";
            }

            final CommonStats primaryStats;
            final CommonStats totalStats;
            if (indexStats == null || indexState == IndexMetadata.State.CLOSE) {
                // TODO: expose docs stats for replicated closed indices
                primaryStats = new CommonStats();
                totalStats = new CommonStats();
            } else {
                primaryStats = indexStats.getPrimaries();
                totalStats = indexStats.getTotal();
            }

            table.startRow();
            table.addCell(health);
            table.addCell(indexState.toString().toLowerCase(Locale.ROOT));
            table.addCell(indexName);
            table.addCell(indexMetadata.getIndexUUID());
            table.addCell(indexMetadata.getNumberOfShards());
            table.addCell(indexMetadata.getNumberOfReplicas());

            table.addCell(primaryStats.getDocs() == null ? null : primaryStats.getDocs().getCount());
            table.addCell(primaryStats.getDocs() == null ? null : primaryStats.getDocs().getDeleted());

            table.addCell(indexMetadata.getCreationDate());
            ZonedDateTime creationTime = ZonedDateTime.ofInstant(Instant.ofEpochMilli(indexMetadata.getCreationDate()), ZoneOffset.UTC);
            table.addCell(STRICT_DATE_TIME_FORMATTER.format(creationTime));

            table.addCell(totalStats.getStore() == null ? null : totalStats.getStore().size());
            table.addCell(primaryStats.getStore() == null ? null : primaryStats.getStore().size());
            table.addCell(primaryStats.getStore() == null ? null : primaryStats.getStore().totalDataSetSize());

            table.addCell(totalStats.getCompletion() == null ? null : totalStats.getCompletion().getSize());
            table.addCell(primaryStats.getCompletion() == null ? null : primaryStats.getCompletion().getSize());

            table.addCell(totalStats.getFieldData() == null ? null : totalStats.getFieldData().getMemorySize());
            table.addCell(primaryStats.getFieldData() == null ? null : primaryStats.getFieldData().getMemorySize());

            table.addCell(totalStats.getFieldData() == null ? null : totalStats.getFieldData().getEvictions());
            table.addCell(primaryStats.getFieldData() == null ? null : primaryStats.getFieldData().getEvictions());

            table.addCell(totalStats.getQueryCache() == null ? null : totalStats.getQueryCache().getMemorySize());
            table.addCell(primaryStats.getQueryCache() == null ? null : primaryStats.getQueryCache().getMemorySize());

            table.addCell(totalStats.getQueryCache() == null ? null : totalStats.getQueryCache().getEvictions());
            table.addCell(primaryStats.getQueryCache() == null ? null : primaryStats.getQueryCache().getEvictions());

            table.addCell(totalStats.getRequestCache() == null ? null : totalStats.getRequestCache().getMemorySize());
            table.addCell(primaryStats.getRequestCache() == null ? null : primaryStats.getRequestCache().getMemorySize());

            table.addCell(totalStats.getRequestCache() == null ? null : totalStats.getRequestCache().getEvictions());
            table.addCell(primaryStats.getRequestCache() == null ? null : primaryStats.getRequestCache().getEvictions());

            table.addCell(totalStats.getRequestCache() == null ? null : totalStats.getRequestCache().getHitCount());
            table.addCell(primaryStats.getRequestCache() == null ? null : primaryStats.getRequestCache().getHitCount());

            table.addCell(totalStats.getRequestCache() == null ? null : totalStats.getRequestCache().getMissCount());
            table.addCell(primaryStats.getRequestCache() == null ? null : primaryStats.getRequestCache().getMissCount());

            table.addCell(totalStats.getFlush() == null ? null : totalStats.getFlush().getTotal());
            table.addCell(primaryStats.getFlush() == null ? null : primaryStats.getFlush().getTotal());

            table.addCell(totalStats.getFlush() == null ? null : totalStats.getFlush().getTotalTime());
            table.addCell(primaryStats.getFlush() == null ? null : primaryStats.getFlush().getTotalTime());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().current());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().current());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getTime());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getTime());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getCount());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getCount());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getExistsTime());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getExistsTime());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getExistsCount());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getExistsCount());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getMissingTime());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getMissingTime());

            table.addCell(totalStats.getGet() == null ? null : totalStats.getGet().getMissingCount());
            table.addCell(primaryStats.getGet() == null ? null : primaryStats.getGet().getMissingCount());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getDeleteCurrent());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getDeleteCurrent());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getDeleteTime());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getDeleteTime());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getDeleteCount());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getDeleteCount());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getIndexCurrent());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getIndexCurrent());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getIndexTime());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getIndexTime());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getIndexCount());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getIndexCount());

            table.addCell(totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getIndexFailedCount());
            table.addCell(primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getIndexFailedCount());

            table.addCell(
                totalStats.getIndexing() == null ? null : totalStats.getIndexing().getTotal().getIndexFailedDueToVersionConflictCount()
            );
            table.addCell(
                primaryStats.getIndexing() == null ? null : primaryStats.getIndexing().getTotal().getIndexFailedDueToVersionConflictCount()
            );

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getCurrent());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getCurrent());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getCurrentNumDocs());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getCurrentNumDocs());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getCurrentSize());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getCurrentSize());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getTotal());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getTotal());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getTotalNumDocs());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getTotalNumDocs());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getTotalSize());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getTotalSize());

            table.addCell(totalStats.getMerge() == null ? null : totalStats.getMerge().getTotalTime());
            table.addCell(primaryStats.getMerge() == null ? null : primaryStats.getMerge().getTotalTime());

            table.addCell(totalStats.getRefresh() == null ? null : totalStats.getRefresh().getTotal());
            table.addCell(primaryStats.getRefresh() == null ? null : primaryStats.getRefresh().getTotal());

            table.addCell(totalStats.getRefresh() == null ? null : totalStats.getRefresh().getTotalTime());
            table.addCell(primaryStats.getRefresh() == null ? null : primaryStats.getRefresh().getTotalTime());

            table.addCell(totalStats.getRefresh() == null ? null : totalStats.getRefresh().getExternalTotal());
            table.addCell(primaryStats.getRefresh() == null ? null : primaryStats.getRefresh().getExternalTotal());

            table.addCell(totalStats.getRefresh() == null ? null : totalStats.getRefresh().getExternalTotalTime());
            table.addCell(primaryStats.getRefresh() == null ? null : primaryStats.getRefresh().getExternalTotalTime());

            table.addCell(totalStats.getRefresh() == null ? null : totalStats.getRefresh().getListeners());
            table.addCell(primaryStats.getRefresh() == null ? null : primaryStats.getRefresh().getListeners());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getFetchCurrent());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getFetchCurrent());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getFetchTime());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getFetchTime());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getFetchCount());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getFetchCount());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getOpenContexts());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getOpenContexts());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getQueryCurrent());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getQueryCurrent());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getQueryTime());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getQueryTime());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getQueryCount());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getQueryCount());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getScrollCurrent());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getScrollCurrent());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getScrollTime());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getScrollTime());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getScrollCount());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getScrollCount());

            table.addCell(totalStats.getSegments() == null ? null : totalStats.getSegments().getCount());
            table.addCell(primaryStats.getSegments() == null ? null : primaryStats.getSegments().getCount());

            table.addCell(totalStats.getSegments() == null ? null : ByteSizeValue.ZERO);
            table.addCell(primaryStats.getSegments() == null ? null : ByteSizeValue.ZERO);

            table.addCell(totalStats.getSegments() == null ? null : totalStats.getSegments().getIndexWriterMemory());
            table.addCell(primaryStats.getSegments() == null ? null : primaryStats.getSegments().getIndexWriterMemory());

            table.addCell(totalStats.getSegments() == null ? null : totalStats.getSegments().getVersionMapMemory());
            table.addCell(primaryStats.getSegments() == null ? null : primaryStats.getSegments().getVersionMapMemory());

            table.addCell(totalStats.getSegments() == null ? null : totalStats.getSegments().getBitsetMemory());
            table.addCell(primaryStats.getSegments() == null ? null : primaryStats.getSegments().getBitsetMemory());

            table.addCell(totalStats.getWarmer() == null ? null : totalStats.getWarmer().current());
            table.addCell(primaryStats.getWarmer() == null ? null : primaryStats.getWarmer().current());

            table.addCell(totalStats.getWarmer() == null ? null : totalStats.getWarmer().total());
            table.addCell(primaryStats.getWarmer() == null ? null : primaryStats.getWarmer().total());

            table.addCell(totalStats.getWarmer() == null ? null : totalStats.getWarmer().totalTime());
            table.addCell(primaryStats.getWarmer() == null ? null : primaryStats.getWarmer().totalTime());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getSuggestCurrent());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getSuggestCurrent());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getSuggestTime());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getSuggestTime());

            table.addCell(totalStats.getSearch() == null ? null : totalStats.getSearch().getTotal().getSuggestCount());
            table.addCell(primaryStats.getSearch() == null ? null : primaryStats.getSearch().getTotal().getSuggestCount());

            table.addCell(totalStats.getTotalMemory());
            table.addCell(primaryStats.getTotalMemory());

            table.addCell(totalStats.getBulk() == null ? null : totalStats.getBulk().getTotalOperations());
            table.addCell(primaryStats.getBulk() == null ? null : primaryStats.getBulk().getTotalOperations());

            table.addCell(totalStats.getBulk() == null ? null : totalStats.getBulk().getTotalTime());
            table.addCell(primaryStats.getBulk() == null ? null : primaryStats.getBulk().getTotalTime());

            table.addCell(totalStats.getBulk() == null ? null : totalStats.getBulk().getTotalSizeInBytes());
            table.addCell(primaryStats.getBulk() == null ? null : primaryStats.getBulk().getTotalSizeInBytes());

            table.addCell(totalStats.getBulk() == null ? null : totalStats.getBulk().getAvgTime());
            table.addCell(primaryStats.getBulk() == null ? null : primaryStats.getBulk().getAvgTime());

            table.addCell(totalStats.getBulk() == null ? null : totalStats.getBulk().getAvgSizeInBytes());
            table.addCell(primaryStats.getBulk() == null ? null : primaryStats.getBulk().getAvgSizeInBytes());

            table.addCell(totalStats.getDenseVectorStats() == null ? null : totalStats.getDenseVectorStats().getValueCount());
            table.addCell(primaryStats.getDenseVectorStats() == null ? null : primaryStats.getDenseVectorStats().getValueCount());

            table.addCell(totalStats.getSparseVectorStats() == null ? null : totalStats.getSparseVectorStats().getValueCount());
            table.addCell(primaryStats.getSparseVectorStats() == null ? null : primaryStats.getSparseVectorStats().getValueCount());

            table.endRow();
        });

        return table;
    }