Merge pull request #76 from darkhelmet/influxdb-where

Add ability to specify where clause to InfluxDB

Author: obfuscurity

README.md

@@ -98,6 +98,7 @@ Metric-level attributes are attributes of the metric object(s) in your `metrics`
 * unit - Arbitrary string that can be used to designate a unit value; for example, "Mbps". (optional)
 * series - Name of the InfluxDB series that each target belongs to. (mandatory for InfluxDB)
 * transform - A function that takes the value and returns a transformed value. (optional)
+* where - A `where` clause to pass to InfluxDB. (optional for InfluxDB)
 
 ## Deployment
 

lib/tasseo/public/j/tasseo.js

@@ -276,7 +276,12 @@ TasseoInfluxDBDatasource.prototype = {
   urlForMetric: function(metric, period) {
     var self = this;
 
-    return this.url + '/series?time_precision=s&u=' + self.user + '&p=' + self.pass + '&q=select%20' + metric.target + '%20from%20' + metric.series + '%20where%20time%20%3E%20now()%20-%20' + period + 'm%3B';
+    var query = 'select ' + metric.target + ' from ' + metric.series + ' where time > now() - 5m';
+    if (metric.where) {
+      query += ' and (' + metric.where + ')';
+    }
+
+    return this.url + '/series?time_precision=s&u=' + self.user + '&p=' + self.pass + '&q=' + escape(query)
   }
 }