make-layer.ngs

#!/usr/bin/env ngs

# TODO: Document minimal IAM permissions for this script
# TODO: pin amazonlinux version (tag)

CONTAINER_NAME = 'ngs-make-layer'

F main(src:Dir, build:Bool=true, publish:Bool=true, remove_docker:Bool=true) {
	assert(src)
	assert(Program('docker'))
	script_dir = `line: dirname ${realpath(ARGV0)}`
	if build {
		$(sudo rm -rf "${script_dir}/out")
		$(mkdir -p "${script_dir}/out")
		args = Argv({
			['--rm']: remove_docker
			'--name': CONTAINER_NAME
			Repeat('-v'): [
				"${src.path}:/make-layer/src:ro"
				"${script_dir}:/make-layer/ngs-aws-lambda:ro"
				"${script_dir}/out:/make-layer/out:rw"
			]
		})
		$(top_level:: log: docker run $*args amazonlinux /make-layer/ngs-aws-lambda/make-layer.sh)
	}
	$(log: cd:"out" zip -r - bin lib >layer.zip)
	$(log: zip layer.zip bootstrap)
	version = read("${script_dir}/out/ngs-version").lines()[0]
	if publish {
	    $(top_level:: log: aws lambda publish-layer-version --layer-name "ngs-${version.replace('.', '-')}" --compatible-architectures x86_64 --zip-file fileb://layer.zip)
	}
}