Custom dashboard for reporting hosts

config.json

{
  "title": "Reporting hosts",
  "description": "",
  "visuals": [
    {
      "title": "All",
      "line_label": "%name%",
      "display": "LINE",
      "format": "number",
      "draw_null_as_zero": true,
      "metrics": [
        {
          "name": "reporting_hosts",
          "fields": [
            {
              "field": "COUNTER"
            }
          ],
          "tags": []
        }
      ],
      "type": "timeseries"
    },
    {
      "title": "Per role",
      "line_label": "%role%",
      "display": "LINE",
      "format": "number",
      "draw_null_as_zero": true,
      "metrics": [
        {
          "name": "reporting_hosts",
          "fields": [
            {
              "field": "COUNTER"
            }
          ],
          "tags": [
            {
              "key": "role",
              "value": "*"
            }
          ]
        }
      ],
      "type": "timeseries"
    }
  ]
}