Merge pull request #1351 from NVIDIA/dholt/maas-provisioning-cleanup

Retire legacy PXE provisioning paths

Author: michael-balint

README.md

@@ -51,7 +51,8 @@ The cluster nodes will follow the requirements described by Slurm or Kubernetes.
 - CentOS 7, 8
 - Red Hat Enterprise Linux / Rocky Linux 8 and 9 for the DGX software stack through the `nvidia-dgx` role
 
-You may also install a supported operating system on all servers via a 3rd-party solution (i.e. [MAAS](https://maas.io/), [Foreman](https://www.theforeman.org/)) or utilize the provided [OS install container](docs/pxe/minimal-pxe-container.md).
+You may also install a supported operating system on all servers via a 3rd-party solution such as [MAAS](https://maas.io/) or [Foreman](https://www.theforeman.org/), or via an existing site-standard automated installer.
+For new Ubuntu 24.04 or DGX OS 7 deployments, prefer Ubuntu autoinstall/cloud-init or MAAS and then apply DeepOps roles after the OS is present.
 For DGX platform software installation on top of vanilla Ubuntu or Red Hat family operating systems, see the [DGX software stack role guide](docs/deepops/dgx-software-stack.md).
 
 ### Kubernetes

config.example/group_vars/all.yml

@@ -253,7 +253,9 @@ maas_adminusers:
 maas_dns_domain: 'deepops.local'
 maas_region_controller: '192.168.1.1'
 maas_region_controller_url: 'http://{{ maas_region_controller }}:5240/MAAS'
-maas_repo: 'ppa:maas/3.5'
+# MAAS 3.7 is the current Ubuntu 24.04 line. Keep the 3.5 PPA when the MAAS
+# controller itself still runs Ubuntu 22.04.
+maas_repo: "{{ 'ppa:maas/3.7' if ansible_distribution_version is version('24.04', '>=') else 'ppa:maas/3.5' }}"
 
 # Defines if maas user should generate ssh keys
 # Usable for remote KVM/libvirt power actions

config.example/helm/dgxie.yml

@@ -212,7 +212,7 @@ deb http://archive.ubuntu.com/ubuntu noble-security main restricted universe mul
 deb http://archive.ubuntu.com/ubuntu noble-updates main restricted universe multiverse
 deb http://archive.ubuntu.com/ubuntu noble-proposed main restricted universe multiverse
 deb http://archive.ubuntu.com/ubuntu noble-backports main restricted universe multiverse
-deb http://ppa.launchpad.net/maas/3.5/ubuntu noble main
+deb http://ppa.launchpad.net/maas/3.7/ubuntu noble main
 deb http://archive.canonical.com/ubuntu noble partner
 
 deb-src http://archive.ubuntu.com/ubuntu noble main restricted universe multiverse

config.example/pxe/dnsmasq.extra.conf

@@ -35,7 +35,8 @@ Instructions for deploying a GPU cluster with Kubernetes
 
 1. Install a supported operating system on all nodes.
 
-   Install a supported operating system on all servers via a 3rd-party solution (i.e. [MAAS](https://maas.io/), [Foreman](https://www.theforeman.org/)) or utilize the provided [OS install container](../pxe).
+   Install a supported operating system on all servers via a 3rd-party solution such as [MAAS](https://maas.io/) or [Foreman](https://www.theforeman.org/), or via an existing site-standard automated installer.
+   For new Ubuntu 24.04 or DGX OS 7 deployments, prefer Ubuntu autoinstall/cloud-init or MAAS and then apply DeepOps after the OS is present.
 
 2. Set up your provisioning machine.