Device provisioning at the Edge
summary
A tiny ISO boots via HTTP boot and runs a dracut-driven, systemd-ordered flow that flashes a compressed raw image (14 GB) onto disks at scale — tested for 10,000 devices — then optionally grows the root filesystem; Image Builder produces the ISO and embeds the raw image and kernel args; CoreOS installer (run as a dracut module) writes and decompresses the image and supports Ignition and FDO integration; the system is pluggable via dracut modules and runs fully unattended.
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chapters (9)
- 0:00Introduction
- 1:04Provisioning flow and requirements
- 8:19Simplified provisioner design
- 12:12Raw image and ISO
- 14:19Image to disk with CoreOS Installer
- 19:19Image Builder blueprints
- 23:12Live demo
- 26:01Lessons learned
- 32:40Community feedback
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