webkit render quality

dashboard/Dockerfile

@@ -1,8 +1,12 @@
 FROM ubuntu:14.04
 
 RUN apt-get update && apt-get install -y wget collectd nodejs supervisor
+
 RUN wget https://raw.githubusercontent.com/bpaquet/collectd-influxdb-proxy/master/proxy.js -P /usr/local/bin
 RUN wget http://s3.amazonaws.com/influxdb/influxdb_latest_amd64.deb -P /tmp
+RUN wget http://grafanarel.s3.amazonaws.com/grafana-1.9.1.tar.gz -P /var/www
+
 RUN dpkg -i /tmp/influxdb_latest_amd64.deb
+RUN tar xzf /var/www/grafana-1.9.1.tar.gz -C /var/www
 
 CMD supervisord -n

webkit/client.js

@@ -212,7 +212,7 @@ function urlopen(req, callback) {
             case 'png':
             case 'gif':
                 var name = req.requestId + '.' + req.requestType;
-                page.render('/data/' + name, {format: req.requestType, quality: 50});
+                page.render('/data/' + name, {format: req.requestType, quality: req.renderQuality});
                 result.pageCapture = name;
                 pdata = page.content;
                 break

webkit/parser.js

@@ -24,6 +24,7 @@ var setDefaults = function(req) {
     req.timeout = checkNumber('timeout', req.timeout, 1000, 300000, 60000);
     req.userAgent = checkString('userAgent', req.userAgent, 'Mozilla/5.0 PhantomJS/1.9.8');
     req.viewportSize = checkObject('viewportSize', req.viewportSize, {width: 800, height: 600, zoomFactor: 1});
+    req.renderQuality = checkNumber('renderQuality', req.renderQuality, 0, 100, 50);
     return req;
 }
 
@@ -38,7 +39,7 @@ function checkNumber(name, value, min, max, defaultValue) {
     } else if(!_.isNumber(value)) {
         throw _s.sprintf('TypeError: `%s` is not a number', name);
     } else if(value < min || value > max) {
-        throw _s.sprintf('ValueError: `%s` is out of range []', name);
+        throw _s.sprintf('ValueError: `%s` is out of range [%d, %d]', name, min, max);
     } else {
         return value;
     }