Adding configuration option to specify the bar chart

README.rst

@@ -219,6 +219,9 @@ Other settings that might be interesting in no particular order:
 * ``ENABLE_QUERY``: Defaults to ``True`` causing a Query tab to show up in the
   web interface allowing users to write and execute arbitrary queries against
   a set of endpoints in PuppetDB. Change this to ``False`` to disable this.
+* ``GRAPH_TYPE```: Specify the type of graph to display.   Default is
+  pie, other good option is donut.   Other choices can be found here:
+  `_C3JS_documentation`
 * ``GRAPH_FACTS``: A list of fact names to tell PuppetBoard to generate a
   pie-chart on the fact page. With some fact values being unique per node,
   like ipaddress, uuid, and serial number, as well as structured facts it was
@@ -241,6 +244,7 @@ Other settings that might be interesting in no particular order:
 
 .. _pypuppetdb documentation: http://pypuppetdb.readthedocs.org/en/v0.1.0/quickstart.html#ssl
 .. _Flask documentation: http://flask.pocoo.org/docs/0.10/quickstart/#sessions
+.. _C3JS_documentation:  http://c3js.org/examples.html#chart
 
 Puppet Enterprise
 -----------------

puppetboard/default_settings.py

@@ -21,6 +21,7 @@ TABLE_COUNT_SELECTOR = [10, 20, 50, 100, 500]
 OFFLINE_MODE = False
 ENABLE_CATALOG = False
 OVERVIEW_FILTER = None
+GRAPH_TYPE = 'pie'
 GRAPH_FACTS = ['architecture',
                'clientversion',
                'domain',

puppetboard/docker_settings.py

@@ -47,6 +47,8 @@ GRAPH_FACTS = [x.strip() for x in os.getenv('GRAPH_FACTS',
                                             GRAPH_FACTS_DEFAULT).split(',')]
 
 
+GRAPH_TYPE = os.getenv('GRAPH_TYPE', 'pie')
+
 # Tuples are hard to express as an environment variable, so here
 # the tupple can be listed as a list of items
 # export INVENTORY_FACTS="Hostname, fqdn, IP Address, ipaddress,.. etc"

puppetboard/templates/fact.html

@@ -30,7 +30,7 @@ if (otherdata.length > 0) {
     bindto: '#factChart',
     data: {
         columns: realdata,
-        type : 'donut',
+        type : '{{config.GRAPH_TYPE|default('pie')}}',
     }
 });
 {% endblock onload_script %}