[Infra UI] Remove queries for log-related metadata (#40130)

* Don't query for log metadata as it's not used.

* Adjust test case.

x-pack/legacy/plugins/infra/server/lib/adapters/metadata/adapter_types.ts

@@ -20,10 +20,4 @@ export interface InfraMetadataAdapter {
     nodeId: string,
     nodeType: string
   ): Promise<InfraMetricsAdapterResponse>;
-  getLogMetadata(
-    req: InfraFrameworkRequest,
-    sourceConfiguration: InfraSourceConfiguration,
-    nodeId: string,
-    nodeType: string
-  ): Promise<InfraMetricsAdapterResponse>;
 }

x-pack/legacy/plugins/infra/server/lib/adapters/metadata/elasticsearch_metadata_adapter.ts

@@ -73,60 +73,6 @@ export class ElasticsearchMetadataAdapter implements InfraMetadataAdapter {
       buckets,
     };
   }
-
-  public async getLogMetadata(
-    req: InfraFrameworkRequest,
-    sourceConfiguration: InfraSourceConfiguration,
-    nodeId: string,
-    nodeType: 'host' | 'container' | 'pod'
-  ): Promise<InfraMetricsAdapterResponse> {
-    const idFieldName = getIdFieldName(sourceConfiguration, nodeType);
-    const logQuery = {
-      allowNoIndices: true,
-      ignoreUnavailable: true,
-      index: sourceConfiguration.logAlias,
-      body: {
-        query: {
-          bool: {
-            filter: {
-              term: { [idFieldName]: nodeId },
-            },
-          },
-        },
-        size: 0,
-        aggs: {
-          nodeName: {
-            terms: {
-              field: NAME_FIELDS[nodeType],
-              size: 1,
-            },
-          },
-          metrics: {
-            terms: {
-              field: 'event.dataset',
-              size: 1000,
-            },
-          },
-        },
-      },
-    };
-
-    const response = await this.framework.callWithRequest<
-      any,
-      { metrics?: InfraMetadataAggregationResponse; nodeName?: InfraMetadataAggregationResponse }
-    >(req, 'search', logQuery);
-
-    const buckets =
-      response.aggregations && response.aggregations.metrics
-        ? response.aggregations.metrics.buckets
-        : [];
-
-    return {
-      id: nodeId,
-      name: get(response, ['aggregations', 'nodeName', 'buckets', 0, 'key'], nodeId),
-      buckets,
-    };
-  }
 }
 
 const getIdFieldName = (sourceConfiguration: InfraSourceConfiguration, nodeType: string) => {

x-pack/legacy/plugins/infra/server/lib/domains/metadata_domain/metadata_domain.ts

@@ -22,22 +22,16 @@ export class InfraMetadataDomain {
   ) {
     const { configuration } = await this.libs.sources.getSourceConfiguration(req, sourceId);
     const metricsPromise = this.adapter.getMetricMetadata(req, configuration, nodeId, nodeType);
-    const logsPromise = this.adapter.getLogMetadata(req, configuration, nodeId, nodeType);
 
     const metrics = await metricsPromise;
-    const logs = await logsPromise;
 
     const metricMetadata = pickMetadata(metrics.buckets).map(entry => {
       return { name: entry, source: 'metrics' };
     });
 
-    const logMetadata = pickMetadata(logs.buckets).map(entry => {
-      return { name: entry, source: 'logs' };
-    });
-
-    const id = metrics.id || logs.id;
-    const name = metrics.name || logs.name || id;
-    return { id, name, features: metricMetadata.concat(logMetadata) };
+    const id = metrics.id;
+    const name = metrics.name || id;
+    return { id, name, features: metricMetadata };
   }
 }
 

x-pack/test/api_integration/apis/infra/metadata.ts

@@ -32,7 +32,7 @@ const metadataTests: KbnTestProvider = ({ getService }) => {
           .then(resp => {
             const metadata = resp.data.source.metadataByNode;
             if (metadata) {
-              expect(metadata.features.length).to.be(14);
+              expect(metadata.features.length).to.be(12);
               expect(metadata.name).to.equal('demo-stack-mysql-01');
             } else {
               throw new Error('Metadata should never be empty');