Added tags support for influxDB reporting

README.md

@@ -23,7 +23,11 @@ Enable the plugin by adding it in your test script's `config.plugins` section:
       "statsd": {
         "host": "localhost",
         "port": 8125,
-        "prefix": "artillery"
+        "prefix": "artillery",
+        "influx_tags": { // optional: reports to influxDB will be tagged with those tags
+            "tag1": "value1",
+            "tag2": "value2",
+        }
       }
     }
   }

index.js

@@ -26,7 +26,11 @@ function StatsDPlugin(rawConfig, ee) {
 
     l.each(flattenedStats, function(value, name) {
       debug('Reporting: '+name+'  '+value)
-      metrics.gauge(config.prefix+'.'+name, value || config.defaultValue);
+      var tagString = _.reduce(config.influx_tags, (result, tagValue, tagName) => {
+          result += ',' + tagName + "=" + tagValue;
+          return result;
+      }, "");
+      metrics.gauge(config.prefix+'.'+name + tagString, value || config.defaultValue);
     });
 
   });