Installation
Note: This has only been tested with Grafana 4.4.1 and I cannot guarantee it will work with older versions.
You will need to configure PRTG to add an Access-Control-Allow-Origin HTTP header. This can be done in two simple steps:
Step -1: Add a String value named "AccessControlAllowOriginHTTPHeader" to the registry key HKLM\Software\Wow6432Node\Paessler\PRTG Network Monitor\Server\Webserver.
Step 0: Restart the PRTG Core Server service.
Step 1: Download the current release from the master branch.
Step 2: Copy/move the jasonlashua-prtg-datasource directory into your Grafana data/plugins directory.
Step 3: Restart the Grafana server.
Step 4: Select the Datasource page and click the "Add new" button.
Step 5: Provide information - choose a simple name, e.g., "PRTG" and provide the API URL and credentials.
Note: The PRTG API is usually the url of the PRTG server with "/api" appended, e.g. http://myprtg.domain.com/api
Step 6: Click the "Test Connection" button to verify your datasource connection.
Step 7: Go make dashboards!