cron_watcher #123

	# A GitHub Action to verify that certain Open Library cron jobs have completed successfully.
	# Data dumps happen on the 1st day of the month so check on them on the 2nd day of the month.
	# Partner dumps happen on the 17th day of the month so check on them on the 18th day of the month.
	# Always check again two days later in case they needed to be re-run.
	# https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#schedule

	name: cron_watcher
	on:
	schedule: # At 3:45am on the 2nd, 4th, 18th, and 20th day of the month.
	- cron: '45 3 2,4,18,20 * *' # https://cron.help
	workflow_dispatch: # This job can also be run on-demand.
	permissions:
	contents: read

	jobs:
	cron_watcher:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3.x
	- run: pip install internetarchive slack-sdk
	- run: scripts/cron_watcher.py
	continue-on-error: true
	id: cron_watcher_step
	- if: steps.cron_watcher_step.outcome != 'success'
	shell: python
	env:
	SLACK_TOKEN: ${{ secrets.SLACK_TOKEN }}
	SLACK_CHANNEL_ABC_TEAM_PLUS: ${{ secrets.SLACK_CHANNEL_ABC_TEAM_PLUS }}
	run: \|
	import os, sys, slack_sdk
	token = os.getenv("SLACK_TOKEN")
	channel = os.getenv("SLACK_CHANNEL_ABC_TEAM_PLUS")
	if token and channel:
	slack_sdk.WebClient(token=token).chat_postMessage(channel=channel,
	text="<https://github.com/internetarchive/openlibrary/actions/workflows/cron_watcher.yml\|`cron_watcher`> has failed.",
	)
	sys.exit(1)

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