fix: cloudwatch fix for templating namespace argument to metrics tempalting function, fixes #8965

public/app/plugins/datasource/cloudwatch/datasource.js

@@ -210,12 +210,12 @@ function (angular, _, moment, dateMath, kbn, templatingVariable, CloudWatchAnnot
 
       var metricNameQuery = query.match(/^metrics\(([^\)]+?)(,\s?([^,]+?))?\)/);
       if (metricNameQuery) {
-        return this.getMetrics(metricNameQuery[1], metricNameQuery[3]);
+        return this.getMetrics(templateSrv.replace(metricNameQuery[1]), templateSrv.replace(metricNameQuery[3]));
       }
 
       var dimensionKeysQuery = query.match(/^dimension_keys\(([^\)]+?)(,\s?([^,]+?))?\)/);
       if (dimensionKeysQuery) {
-        return this.getDimensionKeys(dimensionKeysQuery[1], dimensionKeysQuery[3]);
+        return this.getDimensionKeys(templateSrv.replace(dimensionKeysQuery[1]), templateSrv.replace(dimensionKeysQuery[3]));
       }
 
       var dimensionValuesQuery = query.match(/^dimension_values\(([^,]+?),\s?([^,]+?),\s?([^,]+?),\s?([^,]+?)\)/);