sirkirby

# enables cloudflare tunnel sidecar container
# and sets upstream dns in pihole to leverage it
doh:
  enabled: true
  pullPolicy: Always
  envVars: {
    DOH_UPSTREAM: "https://1.1.1.1/dns-query"
  }

sirkirby

# create a kubernetes service and expose
# port 53 outside of cluster on the local network
serviceDns:
  loadBalancerIP: 192.168.1.100
  type: LoadBalancer

sirkirby

# these values will  set our ingress proxy and allow us to point
# pihole-k3s.mylocaldomain.org DNS record to 192.168.100

# will create kubernees ingress
ingress:
  enabled: true
  hosts:
  - pihole-k3s.mylocaldomain.org

# will create kubernetes services

sirkirby

# add the repo locally and update to pull the available charts
helm repo add mojo2600 https://mojo2600.github.io/pihole-kubernetes/
helm repo update

sirkirby

# use the same token you used earlier 
# set the server ip address to your new VIP
curl -sfL https://get.k3s.io | K3S_TOKEN=DC87A250BCBA499994CF808CEADD1BCC sh -s - agent --server https://192.168.1.100:6443

sirkirby

# assuming lb2 is 192.168.1.21
vrrp_script chk_haproxy {
    script 'killall -0 haproxy' # faster than pidof
    interval 2
}

vrrp_instance haproxy-vip {
   interface eth1
    state BACKUP 
    priority 100

sirkirby

# assuming lb1 is 192.168.1.20
vrrp_script chk_haproxy {
    script 'killall -0 haproxy' # faster than pidof
    interval 2
}

vrrp_instance haproxy-vip {
   interface eth1
    state MASTER
    priority 200

sirkirby

sudo nano /etc/haproxy/haproxy.cfg

# add the following config, ctrl-x then y to exit and save

frontend k3s-frontend
    bind *:6443
    mode tcp
    option tcplog
    default_backend k3s-backend

sirkirby

# server-1: 192.168.1.10
# server-2: 192.168.1.11
# server-3: 192.168.1.12
# lb-VIP  : 192.168.1.100

# generate your own unique token
# server-1
curl -sfL https://get.k3s.io | K3S_TOKEN=DC87A250BCBA499994CF808CEADD1BCC sh -s - server \
    --cluster-init \
    --tls-san=192.168.1.100

sirkirby

## For Mac, install kubectl and helm (you'll need it later)
brew install kubernetes-cli helm

## For Windows, run terminal as Admin
choco install kubernetes-cli kubernetes-helm