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Digital Rebar

Digital Rebar is the open, fast and simple data center provisioning and control scaffolding designed with a cloud native architecture. Sponsored by RackN, this community is building an extensible stand-alone DCHP/PXE/IPXE service with minimal overhead offering a quick 5 minutes to provisioning solution.

Community Mission: Embrace the Heterogeneous Nature of Data Center Operations while Eliminating Complexity and Manual Steps

Digital Rebar Provision Version 3.1

The v3 mantra is about starting simple and allowing users to grow automation incrementally.  RackN has been building advanced automation packages and powerful UX management to support that mission.

So what’s in the release?  The v3.0 release focused on getting core Provision infrastructure APIs, process and patterns working as a stand-alone service. The v3.1 release targets major architectural needs to streamline content management, event notification and add out-of-band actions.

Key v3.1 Features

  • Layered Storage System. Operators can distribute content in a number of different ways and make field upgrades and multi-site synchronization possible.
  • Content packaging system. Operators manage packages of other models via a single API call.  Content bundles are read-only and versioned so that field upgrades and patches can be distributed.
  • Plug-in system.  DRP allows API extensions and event listeners that are in the same process space as the DRP server enabling IPMI extensions and slack notifiers.
  • Stages, Tasks & Jobs. Simple work queue system in which tasks are stored and tracked on machines during stages in their boot sequences creating fast, simple and flexible workflows that don’t require agents or SSH access.
  • Websocket API for event subscription.  Clients can subscribe to system events using a long term websocket interface with filters so that operators can select very narrow notification scopes.
  • Removal of the minimal embedded UI (moving to community hosted UX).   DRP decoupled the user interface from the service API allowing features to be added to the UX without having to replace the Service.  This also allows community members to create their own UX.