codegen #627

	on:
	schedule:
	# every one hour from 00:30 to 03:30
	- cron: '30 0-3 * * *'
	workflow_dispatch:

	name: codegen
	jobs:
	discovery:
	uses: googleapis/discovery-artifact-manager/.github/workflows/list-services.yml@master
	total_service_size_check:
	runs-on: ubuntu-20.04
	needs: discovery
	steps:
	- uses: actions/github-script@v5
	id: chunk
	with:
	script: \|
	console.log('checking size of services')
	const MAX_SERVICE_SIZE = 400 // 00:30 to 03:30 implies 4 batches of size 100
	const services = ${{ needs.discovery.outputs.services }}
	if (services.length > MAX_SERVICE_SIZE) {
	throw new Error(`Total services (${services.length}) exceed limit of ${MAX_SERVICE_SIZE}`)
	}
	batch:
	runs-on: ubuntu-20.04
	needs: discovery
	outputs:
	services: ${{ steps.chunk.outputs.result }}
	steps:
	- uses: actions/github-script@v5
	id: chunk
	with:
	script: \|
	console.log('splitting service names list into batches')
	const services = ${{ needs.discovery.outputs.services }}
	const hour = new Date().getHours()
	const MAX_BATCH_SIZE = 100
	const result = {
	batches: [],
	hour: new Date().getHours(),
	};
	for (let i = 0; i < services.length; i += MAX_BATCH_SIZE) {
	result.batches.push(services.slice(i, i + MAX_BATCH_SIZE))
	}
	return result
	generate:
	uses: googleapis/google-api-java-client-services/.github/workflows/generate.yaml@main
	needs: batch
	secrets: inherit
	if: ${{!!fromJson(needs.batch.outputs.services).batches[fromJson(needs.batch.outputs.services).hour]}}
	with:
	services: ${{toJson(fromJson(needs.batch.outputs.services).batches[fromJson(needs.batch.outputs.services).hour])}}

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