Multi-master / HA k3s for my Raspberry Pi cluster

install-k3sup.sh

#!/bin/bash

set -e

CH=latest

echo Installing Server 1
k3sup install --user pi --ip 192.168.2.147 \
  --k3s-channel $CH \
  --cluster \
  --print-command \
  --skip-install

echo Installing Server 2
k3sup join --user pi --ip 192.168.2.141 --server-ip 192.168.2.147 \
  --k3s-channel $CH \
  --server \
  --print-command

echo Installing Server 3
k3sup join --user pi --ip 192.168.2.123 --server-ip 192.168.2.147 \
  --k3s-channel $CH \
  --server \
  --print-command

echo Installing Agent 1
k3sup join --user pi --ip 192.168.2.129 --server-ip 192.168.2.147 \
  --k3s-channel $CH \
  --print-command
  
#  More at https://k3sup.dev

# Install cert-manager
arkade install cert-manager

# Install OpenFaaS
arkade install openfaas

# Install inlets-operator
arkade install inlets-operator --provider digitalocean \
  --region lon1 --license-file ~/LICENSE \
  --token-file ~/Downloads/do-access-token

# Get the public IP

kubectl get svc -n kube-system -w

# Create a DNS A record for that IP

# Generate an Ingress record for OpenFaaS

arkade install openfaas-ingress --ingress-class traefik --email alex@kubecon.k3sup.dev --domain kubecon.k3sup.dev

# Log in to openfaas

faas-cli login -g https://kubecon.k3sup.dev

# Deploy a function

faas-cli store deploy --platform armhf nodeinfo -g https://kubecon.k3sup.dev

# Invoke the function

curl https://kubecon.k3sup.dev/function/nodeinfo