parser_grafana_model.py

import click
import json


stitle = "panel 名称"
sexpr = "指标"
salert = "告警"


def preety_print(dashboard, result):
    print("## " + dashboard)
    for key in result:
        print("### " + key)
        for subkey in result[key]:
            if subkey == stitle:
                continue
            if subkey == sexpr:
                print("  " + subkey + ":")
                print(
                    "    " + "\n    ".join(["```" + expr + "```" for expr in result[key][subkey]]))
            elif subkey == salert:
                print("  " + subkey + ":")
                print("    " + "\n    ".join(result[key][subkey]))

    salert_obj = {}
    for key in result:
        for subkey in result[key]:
            if subkey == salert:
                for alert in result[key][subkey]:
                    if salert_obj.get(alert):
                        salert_obj[alert].append(key)
                    else:
                        salert_obj[alert] = [key]
    print("## 告警")
    for key in salert_obj:
        print("### " + key)
        print("  " + "\n  ".join(salert_obj[key]))

@click.command()
@click.option('--file', default='', help='Path to grafana json file')
def parse(file):
    result = {}
    dashboard = ''
    with open(file, 'r') as f:
        grafana = json.load(f)
        for grafana_key in grafana:
            if grafana_key == 'title':
                dashboard = grafana[grafana_key]
            if grafana_key == 'panels':
                for panel in grafana[grafana_key]:
                    if panel['type'] != 'graph':
                        continue
                    item = {}
                    for panel_key in panel:
                        if panel_key == 'title':
                            item[stitle] = panel[panel_key]
                        if panel_key == 'targets':
                            for target in panel[panel_key]:
                                for target_key in target:
                                    if target_key == 'expr':
                                        expr = target[target_key]
                                        expr = expr.replace('\n', '')
                                        if item.get(sexpr):
                                            item[sexpr].append(expr)
                                        else:
                                            item[sexpr] = [expr]
                        if panel_key == 'alert':
                            for alert_key in panel[panel_key]:
                                if alert_key == 'message':
                                    message = panel[panel_key][alert_key]
                                    if item.get(salert):
                                        item[salert].append(message)
                                    else:
                                        item[salert] = [message]
                    result[item[stitle]] = item
    preety_print(dashboard, result)


if __name__ == '__main__':
    parse()