What is Digital Rebar Provision (and how RackN extends)?

Digital Rebar Provision
Open Foundational Automation
http://rebar.digital
Aka “Rebar” and “DRP”
Rob Hirschfeld
Project Co-founder
Rob@RackN.com

DRP Background / Statistics
Open Source Code:
● License: APLv2
● Mostly Golang & Golang Templates.
● Service & Agent: https://github.com/digitalrebar/provision (225 stars, 2/2019)
● Community Content: https://github.com/digitalrebar/provision-content and
additional repos for support
History
● Life Cycle - 2 years old, well into stabilization phase
● V3 is fourth generation tracking back 10 years to the Crowbar project.
● Single vendor project maintained by RackN

Provision (verb)
Equip or prepare for a journey.
For data centers, to operationalize equipment.
Incorrectly assumed to be simply installing an operating
system on a server.
Rebar (noun)
Structural steel added to concrete foundations to
improve their resilience.
For data centers, software that automates infrastructure
underlay to build a solid operational foundation.

is
Data Center Plumbing
Physical Underlay Automation

What is Provisioning?
Much more than installing an operating
system using PXE!
Provisioning is a multi-step process
that interacts with multiple protocols,
through multiple boot cycles.
The process requires both pre and post
deployment steps.
Out-of-band (IPMI) management is NOT
required for provisionings.

Why is Provisioning so hard? Hardware & Time
Even static provisioning requires integrating many different protocols in a very
specific sequence that varies depending on the operating system, hardware and
networking configuration.
Digital Rebar “dynamic provisioning” is able to react the the environment on-the-fly
to manage the sequence (workflow) based on collected state & external requests.
POST PXE IPXE
Kick
Start
Discover
Invent.
Cloud
Init
Config
DHCP TFTP HTTP Template REST HTTP SSH

Multiple Protocols
Digital Rebar Service runs
on-site as a long-term
infrastructure service:
1) Required protocols
2) System state
3) Operator API
4) Integrations to other
systems of record
HTTPS
DHCP
HTTP
Digital Rebar Provision Service
Core Services:
*DHCP or Provision services are optional
depending on configuration requirements.
API / UI
Service API (/api/v3)
UI Redirect (/ui)
8092/tcp
DHCP*:
Address Management
Next Boot Services
67/udp
TFTP PROVISION*:
PXE Boot Images
Dynamic Templates
Static Files
8091/tcp
Data
File
System
69/udp
No External
Database
Required

Optional Task Runner
Pre-provisioning actions (like RAID or
burn-in) using the DRP in-memory
discovery o/s.
Post-provisioning actions like install
SSH keys, create users, install
applications.
HTTPS
Digital Rebar Provision Service
Core Services:
*DHCP or Provision services are optional
depending on configuration requirements.
API / UI
Service API (/api/v3)
UI Redirect (/ui)
8092/tcp
DHCP*:
Address Management
Next Boot Services
PROVISION*:
PXE Boot Images
Dynamic Templates
Static Files
Data
File
System
No External
Database
Required
MACHINE AGENT:
Runs Templates
Manages M/C State
Provides Inventory

Digital Rebar rethinks
data center automation
from the Bare Metal up

Networking ZTP, DHCP, IPv4 / IPv6 ...

Networking
Compute
ZTP, DHCP, IPv4 / IPv6 ...
Intel/AMD, ARM, IPMI ...

Storage
Networking
Compute
RAID, SCSI, Arrays ....

Storage
Networking
Compute
Firmware BIOS, Redfish, GPUs ...

Storage
Networking
Compute
Firmware
Operating Systems Linux, Windows, MacOS,
ESXi, CoreOS ...
BIOS, Redfish, GPUs ...

Storage
Networking
Compute
Firmware
Operating Systems
Platforms Kubernetes, OpenStack …
Ansible, Chef, Puppet, Salt ...
Linux, Windows, MacOS,
ESXi, CoreOS ...

Storage
Networking
Compute
Firmware
Operating Systems
ESXi, CoreOS ...
Intel/AMD, ARM, IPMI ...DRP
DRP
DRP
DRP

Storage
Networking
Compute
Firmware
Operating Systems
ESXi, CoreOS ...
DRP
DRP
DRP
DRPUnifiedRESTAPI

Storage
Networking
Compute
Firmware
Operating Systems
ESXi, CoreOS ...
DRP
DRP
DRP
DRPUnifiedRESTAPI
ExtensibleDB&API

Storage
Networking
Compute
Firmware
Operating Systems
ESXi, CoreOS ...
DRP
DRP
DRP RackN
RackN
RackN
RackN
RackN
RackNIntegratedUX
RackNFederatedMulti-Site

1. Fix Root Causes
2. Enable Reuse

1. Fix Root Causes
2. Enable Reuse
3. Assumed Heterogenous

1. Fix Root Causes
2. Enable Reuse
3. Assumed Heterogenous
4. Integrated Workflow

Provisioning:
Integrated
Workflow
Firmware
O/S Provision
Credentials
Routing & SDN
Cluster Building
CMDB Inventory
Application DeployNetwork
Switch ZTP
SoR
Compute
Compute
SoR
Network
Platform
Platform

Firmware
O/S Provision
Credentials
Routing & SDN
Cluster Building
CMDB Inventory
Switch ZTP
SoR
Compute
Compute
SoR
Network
Platform
Platform

RackN
Closes The
Loop
Firmware
O/S Provision
Credentials
Routing & SDN
Cluster Building
CMDB Inventory
Switch ZTP
SoR
Compute
Compute
SoR
Network
Platform
Platform

Edge Data Center
Digital Rebar
● Tiny self-contained footprint
● Single multi-platform Golang binary
● REST API & Event Driven
● Autonomous & “Air gap” capable
● Fast to learn & Simple to manage
Cloud Native Infrastructure

Edge Data Center
DHCP
(I)PXE
HTTP
Digital Rebar
Provisioning
Protocols

Edge Data Center
Servers
Switches
Storage
DHCP
(I)PXE
HTTP
Digital Rebar
Optional Machine
Agents
Provisioning
Protocols

Edge Data Center
Servers
Switches
Storage
DHCP
(I)PXE
HTTP
BMC
DCIM
Env
Digital Rebar
Plugins
(Extension)
Machine
Agents
Provisioning
Protocols

Edge Data Center
Plugins
Machine
Agents
Provisioning
Protocols
Digital Rebar
EDC
D
R
EDC
D
R
EDC
D
R
EDC
D
R

BMC BMC BMC
Core
Management Core
Local, Regional or Global
Coordinate and Synchronize
Centralized Management
Edge Data Center
Plugins
Machine
Agents
Provisioning
Protocols
RackN + Digital Rebar
EDC
D
R
EDC
D
R
EDC
D
R
EDC
D
R

Core
Content Library
CI/CD
Images
Security
Edge Data Center
Plugins
Machine
Agents
Provisioning
Protocols
EDC
D
R
EDC
D
R
EDC
D
R
EDC
D
R

Core
Edge Data Center
Plugins
Machine
Agents
Provisioning
Protocols
Content Library REST API
EDCEDC EDC EDC
CI/CD
Images
Security
Mgmt
Logging
Portal
D
R
D
R
D
R
D
R

Core
CMDB
DCIM
IPAM
CI/CD
Images
Security
Mgmt
Logging
Portal
Integration Plugins Content Library REST API
Edge Data Center
Plugins
Machine
Agents
Provisioning
Protocols
EDC
D
R
EDC
D
R
EDC
D
R
EDC
D
R

Building Edge Foundations
We design for Edge data centers
Actively building integrated capabilities
Not going solo: we are looking for partners

Digital Rebar:
Innovation for
Infrastructure.
Rob Hirschfeld
Rob@RackN.com

What is Digital Rebar Provision (and how RackN extends)?

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What is Digital Rebar Provision (and how RackN extends)?