Merge pull request #38 from GlobalNOC/manual-query-vars

adding auto-bucket size for the $quantify variable
GlobalNOC · Feb 9, 2018 · b85f4c2 · b85f4c2
2 parents ec1f2b7 + 147f308
commit b85f4c2
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/datasource.js b/src/datasource.js
@@ -942,9 +942,22 @@ class GenericDatasource {
             let formatQ = oldQ.replace(/,/gi, " or ");
             query = query.replace(oldQ, formatQ);
 
+            let defaultBucket = duration / options.maxDataPoints;
+            // get defaultBucket rounded to nearest 10 for pretty
+            let size = Math.ceil(defaultBucket / 10) * 10;
+
+            if (duration >= 7776000) {
+              size = Math.max(86400, size);
+            } else if (duration >= 259200) {
+              size = Math.max(3600, size);
+            } else {
+              size = Math.max(60, size);
+            }
+
             query = query.replace("$START", start.toString());
             query = query.replace("$END", end.toString());
             query = query.replace("$TIMESPAN", duration.toString());
+            query = query.replace(/\$quantify/g, size.toString());
             query = this.templateSrv.replace(query, null, 'regex');
 
             return resolve({