airship/airshipctl
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airshipctl/manifests/function/hostgenerator-m3
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Sreejith Punnapuzha c2e5cb13f2 Change image tags 
* Change templater image tag from dev to latest
  * Change replacement-transformer image tag from dev to latest
  * Change Makefile to build images with tag latest

Change-Id: Iff074d6fe771cce48dae7190fbc69cc437138817
Signed-off-by: Sreejith Punnapuzha <sreejith.punnapuzha@outlook.com>
2020-11-10 12:23:25 -06:00
..
replacements Change image tags 2020-11-10 12:23:25 -06:00
hosttemplate.yaml Change image tags 2020-11-10 12:23:25 -06:00
kustomization.yaml Add an m3 host generator function 2020-07-17 15:30:26 -05:00
README.md Deduplicate airshipctl manifest networking 2020-10-21 16:26:10 -05:00

README.md

Function: hostgenerator-m3

This function constructs a collection of Metal3 BareMetalHost resources, along with associated configuration Secrets. It solves for a couple of things:

  1. pulling the nitty gritty details for generating BMH into one reusable place,
  2. allowing the site-specific details to be filled in via catalogues of values

This function leverages a couple of different plugins in sequence: The airshipctl Replacement plugin, which pulls the site-specific data from the catalogue documents into a Templater plugin configuration; and then the airshipctl Templater plugin, which generates a variable number of BMHs in a data-driven fashion.

To use this function, do the following:

  • Supply a networking catalogue, which outlines things that are typically common across hosts in a site, such as networking interfaces, DNS servers, and other networking info. Example: manifests/type/gating/shared/catalogues/common-networking.yaml

  • Supply a host-catalogue, which contains host-specific data, such as IP addresses and BMC information. Example: manifests/site/test-site/shared/catalogues/hosts.yaml

  • Supply a host-generation-catalogue for each phase that needs to deploy one or more BMHs. This catalogue simply lists the specific hosts that should be deployed during that phase. Example: manifests/site/test-site/ephemeral/bootstrap/hostgenerator/host-generation.yaml

  • If any per-host changes need to be made, they can be layered on top as site- or phase-specific Kustomize patches against the generated documents. E.g, if one host has a different network interface name, or if different details need to be used during ISO bootstrapping and normal deployment. Example: manifests/site/test-site/ephemeral/bootstrap/baremetalhost.yaml