log as info mongo query used to get silent entities

CHANGES_NEXT_RELEASE

@@ -1,3 +1,4 @@
+- Fix in info level logs about silent entities found and pipeline mongo performed (#872)
 - Fix expandObject when post rule is using array of attributes (#866)
 - Upgrade: mongodb dependency from 3.6.12 to 4.17.2
 - Add PERSEO_MONGO_URI env var which overrides other mongo options

lib/models/entitiesStore.js

@@ -227,7 +227,7 @@ function findSilentEntitiesByMongo(service, subservice, ruleData, alterFunc, cal
             }
         ];
 
-        logger.debug(context, 'findSilentEntities service %s pipeline: %j ', service, pipeline);
+        logger.info(context, 'findSilentEntities service %s pipeline: %j ', service, pipeline);
         var cursor = col.aggregate(pipeline);
 
         cursor.toArray(function(err, results) {
@@ -253,14 +253,27 @@ function findSilentEntities(service, subservice, ruleData, alterFunc, callback)
 
     var timedCallback = function(err, result, entityCount) {
         var hrend = process.hrtime(hrstart);
+        var ids = [];
+
+        if (Array.isArray(result) && result.length > 0) {
+            ids = result
+                .map(function(e) {
+                    return e && e._id ? e._id.id : undefined;
+                })
+                .filter(function(id) {
+                    return id !== undefined && id !== null;
+                });
+        }
 
         logger.info(
             context,
-            ' %s has found %d entities in (hr): %d ms result %j',
+            ' %s has found %d entities in (hr): %d ms service=%s subservice=%s ids=%j',
             method,
             entityCount,
             hrend[1] / 1000000,
-            result
+            service,
+            subservice,
+            ids
         );
 
         callback(err, result, entityCount);