Example: Manipulate Grafana Dashboard

manipulate_dashboard.js

const fs = require('fs');
const pathModelfile = "./dashboard_model.json"
const pathNewModelFile = "dashboard_new.json"
const obj = JSON.parse(fs.readFileSync(pathModelfile, 'utf8'));
const countFrequencyBand = 20
const frequencyBandSize = 100
const frequencyStart = 100

const generateField = name => {
  return [
    {
      "params": [
        name
      ],
      "type": "field"
    },
    {
      "params": [],
      "type": "mean"
    },
    {
      "params": [
        name
      ],
      "type": "alias"
    }
  ]
}

function generateAllFields() {
  let i = 0
  return new Array(countFrequencyBand).fill(1).map(() => {
    let freq = frequencyStart + frequencyBandSize * i++
    return generateField(freq.toString())
  })
}

obj.panels[0].targets[0].select = generateAllFields()
fs.writeFileSync("dashboard_new.json", JSON.stringify(obj, null, 4), "utf8")