Monitor self-hosted runners #1

	name: Monitor self-hosted runners
	on:
	schedule:
	# Every weekday at 12:00pm
	- cron: '0 12 * * 1-5'
	workflow_dispatch:

	jobs:
	check:
	name: Monitor and send alert
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0
	persist-credentials: false

	- name: Get self-hosted runner status
	id: monitor
	continue-on-error: true
	run: \|
	COUNT=$(node .github/workflows/utils/get-self-hosted-runner-status.js online)
	echo "Online self-hosted runners: $COUNT"

	# If all runners are online, return success
	if [[ "$COUNT" =~ ^All[[:space:]]$[[:digit:]]+\/[[:digit:]]+$$ ]]; then exit 0; fi

	# Else, set outputs and fail
	DETAIL=$(node .github/workflows/utils/get-self-hosted-runner-status.js)
	echo "Detailed status: $DETAIL"
	echo "COUNT=$COUNT" >> $GITHUB_ENV
	echo "DETAIL<<EOF" >> $GITHUB_ENV
	echo "$DETAIL" >> $GITHUB_ENV
	echo "EOF" >> $GITHUB_ENV
	exit 1

	- name: Send alert by mail if needed
	uses: dawidd6/action-send-mail@v3
	if: steps.monitor.outcome == 'failure' && github.event_name == 'schedule'
	with:
	server_address: smtp.gmail.com
	server_port: 465
	username: ${{secrets.PNJ_MAIL_USERNAME}}
	password: ${{secrets.PNJ_MAIL_PASSWORD}}
	subject: Self-Hosted Offline Alert
	to: [email protected]
	from: Github Actions
	priority: high
	body: \|
	Online self-hosted runners: ${{ env.COUNT }}
	Detail:
	${{ env.DETAIL }}

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