Libre, not Gratis

rahul bajaj


Metal as a Service: Foreman Discovery

Submitted Feb 11, 2019

When we talk about the cloud, we usually hear of Paas, Saas, and Iaas. This talk introduces Maas i.e Metal as a Service to the audience. Foreman is an open source project that helps system administrators manage server throughout their life-cycle, from provisioning and configuration to orchestration and monitoring.

This talk consists of a brief introduction to the Foreman Project and Foreman Discovery, followed by a deep understanding of Maas and how it is implemented in Foreman Discovery. Lastly, the aim of this talk would be to encourage newbies to contribute to the Foreman Project and Foreman Discovery.


Introduction to Baremetal Provisioning

  • Discovery as MaaS.
  • IPMI.
  • PXE.
  • IPXE.

Discovering a host using Foreman Discovery

  • Demo for discovering a host.
  • Fact parsing in Discovery.

Discovery functioning and Deep Dive

  • Auto-provisioning.
  • Reboot Feature.
  • Post provisioners (Puppet/Ansible).


Understanding the Linux boot process and basics about the Linux operating system is a plus. Else, the urge to learn new things is a must.

Speaker bio

Rahul is a Software Engineer at Red Hat. He is a Rubyist, open source enthusiast and upstream contributor. He contributes mostly to the Foreman project and is the co-maintainer of the Foreman Discovery plugin. Being a Red Hat Certified Architect, he takes interest in learning about containers, configuration management tools, and security. He loves to travel, code and talk.


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