Content-Type: multipart/mixed; boundary="===============1962370979110506069==" MIME-Version: 1.0 --===============1962370979110506069== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit #cloud-config write_files: - {content: The one is bar, path: /tmp/one} --===============1962370979110506069== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit #!/bin/sh echo "The two is bar" > /tmp/two --===============1962370979110506069== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit #cloud-config merge_how: dict(recurse_array,no_replace)+list(append) write_files: - {content: The five is bar, path: /tmp/five} --===============1962370979110506069==--