Hi Guys,

I hope someone can help my by my Stubid question :-)

So I woud use the REST Custom Sensor to get data from Freifunk Node the URL is https://map.ffrn.de/data/nodes.json

So I Create a Template with following entries:

{ "prtg": { "description" : { "device": "SLR-Offloader-003", "comment": "demo" }, "result": [ { "channel": "online", "value": nodes.000c2904305e.flags.online } ] } }

But when I create the Sensor I get 

Parsing error: { "prtg": { "description" : { "device": "SLR-Offloader-003", "comment": "demo" }, "result": [ { "channel": "online", "value": nodes.000c2904305e.flags.online } ] } }:10:23 - 10:27 unexpected Float while scanning object end expected "," or "}".

Hase someone a Idea to fix it and whats wrong?

Thanks all

Article Comments

This is not valid Json,

"value": nodes.000c2904305e.flags.online

Needs to be

"value": "nodes.000c2904305e.flags.online"

But... keep in mind that PRTG can only handle integer and/or decimal values.
So "nodes.000c2904305e.flags.online" will still be an invalid output for PRTG.

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Dec, 2019 - Permalink

Hi Thanks for the Reply,

I make a mistake but it does not work so that is the "New" template. So this is all test. Later I would greb more Details out of the JSON file.

so that is the new one

{
  "prtg": 
  {
    "result": 
	[
      {
        "channel": "online",
        "value": $.nodes.000c2904305e.flags.online
      }
    ]
  }
}

About the handler, the Output of this is true or false I think prtg kan handle it :-)


Dec, 2019 - Permalink

Hi ehein,

Please note that the "value" parameter needs to be a integer or float. Please make sure the <Float> setting matches the kind of value provided. Otherwise PRTG will show 0 values.


Jan, 2020 - Permalink