[PLAT-15621] Make sure scrape interval is used for DB node alive stat…

…us query

Summary:
Currently we have range hardcoded to 30 seconds for DB node processes alive query.
This does not work in case we want to increase scrape interval.
Fixing it.

Test Plan:
Increase scrape interval to 30 seconds.
Create universe. Make sure alive status is shown correctly.

Reviewers: vbansal, skurapati, #yba-api-review!

Reviewed By: vbansal, skurapati

Subscribers: yugaware

Differential Revision: https://phorge.dev.yugabyte.com/D38764

managed/src/main/java/com/yugabyte/yw/controllers/handlers/UniverseInfoHandler.java

@@ -10,6 +10,7 @@
 
 package com.yugabyte.yw.controllers.handlers;
 
+import static com.yugabyte.yw.common.SwamperHelper.getScrapeIntervalSeconds;
 import static play.mvc.Http.Status.BAD_REQUEST;
 import static play.mvc.Http.Status.INTERNAL_SERVER_ERROR;
 import static play.mvc.Http.Status.NOT_FOUND;
@@ -282,12 +283,15 @@ public Path downloadNodeFile(
   private JsonNode getUniverseAliveStatus(Universe universe, MetricQueryHelper metricQueryHelper) {
     List<MetricQueryResponse.Entry> values = new ArrayList<>();
     boolean queryError = false;
+    long scrapeInterval = getScrapeIntervalSeconds(runtimeConfigFactory.staticApplicationConf());
     try {
       values =
           metricQueryHelper.queryDirect(
               "max_over_time(up{node_prefix=\""
                   + universe.getUniverseDetails().nodePrefix
-                  + "\"}[30s])");
+                  + "\"}["
+                  + (scrapeInterval * 2)
+                  + "s])");
     } catch (RuntimeException re) {
       queryError = true;
       log.debug(

managed/src/test/java/com/yugabyte/yw/controllers/UniverseControllerTestBase.java

@@ -146,6 +146,7 @@ protected Application provideApplication() {
     mockReleasesUtils = mock(ReleasesUtils.class);
     mockGFlagsValidation = mock(GFlagsValidation.class);
 
+    when(mockRuntimeConfig.getString("yb.metrics.scrape_interval")).thenReturn("10s");
     when(mockRuntimeConfig.getBoolean("yb.cloud.enabled")).thenReturn(false);
     when(mockRuntimeConfig.getBoolean("yb.security.use_oauth")).thenReturn(false);
     when(mockRuntimeConfig.getInt("yb.fs_stateless.max_files_count_persist")).thenReturn(100);