jacobweinstock

--- /etc/kubernetes/manifests/kube-vip	2023-08-31 00:24:31.233317454 +0000
+++ kube-vip.patched	2023-08-31 00:25:09.561332983 +0000
@@ -11,6 +11,8 @@
     env:
     - name: vip_arp
       value: "true"
+    - name: svc_election
+      value: "true"
     - name: port
       value: "6443"

jacobweinstock

apiVersion: tinkerbell.org/v1alpha1
kind: Hardware
metadata:
  name: hp-demo
  namespace: tink-system
spec:
  disks:
    - device: /dev/nvme0n1
  userData: >-
    #cloud-config

jacobweinstock

#!/usr/bin/env bash

# This will send an example webhook notification.
# example power notification:       notification.sh -u https://example.com/webhook -s superSecret1
# example boot device notification: notification.sh -u https://example.com/webhook -s superSecret1 -p boot_device
# show the help:                    notification.sh -h

set -eo pipefail

hmac256 () {

jacobweinstock

title Bring your own DHCP service

participant Machine
participant DHCP
participant Boots

rbox over Machine,DHCP: 192.168.5.5 represents the IP from which the Boots service is available

group #2f2e7b In firmware iPXE #white
autonumber 1

jacobweinstock

port=0

# Tinkerbell requires that the Host must use a reservation (static ip).
dhcp-host=52:54:00:ee:0d:0b,thedoctor,192.168.2.144
dhcp-option=6,8.8.8.8
dhcp-option=3,192.168.2.1
dhcp-range=192.168.2.0,static

# This is the part that gets us through the iPXE infinite boot loop. https://ipxe.org/howto/chainloading
dhcp-match=tinkerbell, option:user-class, Tinkerbell

jacobweinstock

Walk through demo

Demo of installing Ubuntu 22.04 on an HP EliteDesk.

Install the Tinkerbell stack

1. Satisfy Stack installation prerequisites.
   • k3d cluster create --network host --no-lb --k3s-arg "--disable=traefik,servicelb" --k3s-arg "--kube-apiserver-arg=feature-gates=MixedProtocolLBService=true" --host-pid-mode
   • Command pulled from the sandbox repo.
2. Clone the Tinkerbell chart repo.

jacobweinstock

apiVersion: tinkerbell.org/v1alpha1
kind: Hardware
metadata:
  annotations:
  name: "pxe-uefi"
  namespace: tink-system
spec:
  disks:
  - device: /dev/nvme0n1
  interfaces:

jacobweinstock

server
┌────────────────────────────────────────────────────────────────────────────────────────────────────┐
│                                   next                                                             │
│               ┌────────────────────────────────────────────────┐                                   │
│               │                                                │                                   │
│               ▼                                                │                                   │
│         ┌───────────┐             ┌──────────┐           ┌─────┴─────┐          ┌──────────┐       │
│         │           │             │          │ success   │           │  end     │          │       │
────────► │ pending   ├───────────► │ running  ├─┬───────► │ success   ├─────────►│ complete │       │
│         │           │  received   │          │ │         │           │          │          │       │

jacobweinstock

apiVersion: v1
kind: Namespace
metadata:
  labels:
    cluster.x-k8s.io/provider: infrastructure-tinkerbell
    control-plane: controller-manager
  name: capt-system
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition

jacobweinstock

#!ipxe

set

autoboot