Table buildTable()

in server/src/main/java/org/opensearch/rest/action/cat/RestIndicesAction.java [632:892]
184 lines of code
131 McCabe index (conditional complexity)

    Table buildTable(
        final RestRequest request,
        final Map<String, Settings> indicesSettings,
        final Map<String, ClusterIndexHealth> indicesHealths,
        final Map<String, IndexStats> indicesStats,
        final Map<String, IndexMetadata> indicesMetadatas
    ) {

        final String healthParam = request.param("health");
        final Table table = getTableWithHeader(request);

        indicesSettings.forEach((indexName, settings) -> {
            if (indicesMetadatas.containsKey(indexName) == false) {
                // the index exists in the Get Indices response but is not present in the cluster state:
                // it is likely that the index was deleted in the meanwhile, so we ignore it.
                return;
            }

            final IndexMetadata indexMetadata = indicesMetadatas.get(indexName);
            final IndexMetadata.State indexState = indexMetadata.getState();
            final IndexStats indexStats = indicesStats.get(indexName);
            final boolean searchThrottled = IndexSettings.INDEX_SEARCH_THROTTLED.get(settings);

            final String health;
            final ClusterIndexHealth indexHealth = indicesHealths.get(indexName);
            if (indexHealth != null) {
                health = indexHealth.getStatus().toString().toLowerCase(Locale.ROOT);
            } else if (indexStats != null) {
                health = "red*";
            } else {
                health = "";
            }

            if (healthParam != null) {
                final ClusterHealthStatus healthStatusFilter = ClusterHealthStatus.fromString(healthParam);
                boolean skip;
                if (indexHealth != null) {
                    // index health is known but does not match the one requested
                    skip = indexHealth.getStatus() != healthStatusFilter;
                } else {
                    // index health is unknown, skip if we don't explicitly request RED health
                    skip = ClusterHealthStatus.RED != healthStatusFilter;
                }
                if (skip) {
                    return;
                }
            }

            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(indexHealth == null ? null : indexHealth.getNumberOfShards());
            table.addCell(indexHealth == null ? null : indexHealth.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(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.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 : totalStats.getSegments().getMemory());
            table.addCell(primaryStats.getSegments() == null ? null : primaryStats.getSegments().getMemory());

            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(searchThrottled);

            table.endRow();
        });

        return table;
    }