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python-puppeteer-uptime-checker

Python port of the Simple Puppeteer uptime checker.

Install

$ pip install -r requirements.txt

Note: This project depends on the now deprecated pyppeteer package. As it is unmaintained and has been outside of minor changes for a long time they advise considering playwright-python as an alternative.

Setup

Create a site-config.json at the root of your Node.js project with the (1) sites you want to monitor, and (2) add one key element's selector as well per url (be careful using simply "body", as even error pages has a valid <body> element).

In this example the first site will throw an error due to bad ssl certificate:

[
  { "site": "https://expired.badssl.com/", "selector": "#dashboard" },
  { "site": "https://badssl.com/", "selector": "#dashboard" },
  { "site": "https://google.com", "selector": "body" }
]

Run monitoring

$ python main.py

Output:

$ python main.py
- https://expired.badssl.com/ retries after 1 unsuccessful attempt(s)
- https://expired.badssl.com/ retries after 2 unsuccessful attempt(s)
- https://expired.badssl.com/ retries after 3 unsuccessful attempt(s)
HEALTH CHECK FAILED on https://expired.badssl.com/ with HTTP unknown status (PageError)
HEALTH CHECK PASSED on https://badssl.com/ with HTTP 200
HEALTH CHECK PASSED on https://google.com with HTTP 200

GitHub Actions usage

Example:

name: monitoring
on:
  workflow_dispatch:
jobs:
  run-health-check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Use Python 3
        uses: actions/setup-python@v3
        with:
          python-version: 3.12
      - name: Install project
        run: pip install -r requirements.txt
      - name: Run health check
        run: python main.py

License

MIT License

Copyright (c) 2023 David Barton