Node graph Grafana Datasource Plugin

Datasource plugin to visualize data as Node graph panel for Grafana (https://grafana.com/docs/grafana/latest/visualizations/node-graph/)

Required JSON format

{
   "config":{
      "arc__1":{
         "displayName":"First factor",
         "color":"green"
      },
      "arc__2":{
         "displayName":"Second factor",
         "color":"red"
      },
      "arc__3":{
         "displayName":"Third factor",
         "color":"blue"
      },
       "mainStat": {
         "displayName": " ",
         "color": ""
      },
      "secondaryStat": {
         "displayName": " ",
         "color": ""
      }
   },
   "nodes":[
      {
         "id":"id1",
         "title":"Title of element 1",
         "subTitle":"subtitle of element 1",
         "mainStat":"received: 50kB",
         "secondaryStat":"sent: 12kB",
         "arc__1":0.3,
         "arc__2":0.2,
         "arc__3":0.5
      },
      {
         "id":"id2",
         "title":"Title of element 2",
         "subTitle":"subtitle of element 2",
         "mainStat":"received: 230MB",
         "secondaryStat":"sent: 142kB",
         "arc__1":0.6,
         "arc__2":0.2,
         "arc__3":0.2
      }
   ],
   "edges":[
      {
         "id":"id1-id2",
         "source":"id1",
         "target":"id2",
         "mainStat":"conn: 3244, closed: 3235",
         "secondaryStat":"s: 3.25KB/s, r: 3.99KB/s"
      }
   ]
}

• nodes and edges correspond with nodes and edges in the Node graph panel
• config defines colors on circles and legend on panel

Getting started

Configuration

To install the plugin see the example for loki-stack

Add and configure datasource plugin in your Grafana instance

As baseUrl you can enter URL to your metrics service API

Explore

Go to Explore, select Node Graph Panel API as datasource, and provide context of metrics endpoint