reorder IDs in a (handmady) grafana dashboard

reorder_grafana_dashboard_id.py

#!/usr/bin/env python3

from __future__ import print_function

import os
import sys
import json

arguments = sys.argv

if( len(arguments) != 2):
    print("ERROR: missing argument")
    sys.exit(1)

directory = arguments[1]

isdir = os.path.isdir(directory)

if(not isdir):
    print("ERROR: '{}' is no directory".format(directory))
    sys.exit(1)

for filename in os.listdir(directory):

    if filename.endswith(".json"):

        # print(directory + '/' + filename)

        id_counter = 10

        with open(directory + '/' + filename, 'r') as f:
            dashboard = json.load(f)

        panels = dashboard.get('panels', {})

        if(len(panels) == 0):
            continue

        new_y_pos = 0

        for row in panels:

            new_grid = { "h": 0, "w": 0, "x": 0, "y": 0 }

            grid_pos = row.get('gridPos')
            w = grid_pos.get('w')
            h = grid_pos.get('h')
            x = grid_pos.get('x')
            y = grid_pos.get('y')

            # new line ... maybe
            # {'h': 3, 'w': 2, 'x': 0, 'y': 0}
            if(h == 3 and w == 2 and x == 0):
                new_y_pos += h

            new_grid["w"] = w
            new_grid["h"] = h
            new_grid["x"] = x
            new_grid["y"] = new_y_pos

            row['id'] = id_counter
            row['gridPos'] = new_grid
            id_counter += 1
            
        with open(directory + '/' + filename, 'w', encoding='utf-8') as f:
            json.dump(dashboard, f, ensure_ascii=False, indent=2)

    else:
        continue

sys.exit(0)