마스터 노드

k3s 설정

sudo mkdir -p /etc/rancher/k3s
sudo vi /etc/rancher/k3s/config.yaml

# /etc/rancher/k3s/config.yaml

cluster-init: true
disable:
  - traefik
  - servicelb
kube-proxy-arg:
  - ipvs-strict-arp=true
write-kubeconfig-mode: "0644"

설치

curl -sfL https://get.k3s.io | sh - 

Token 가져오기

워커 노드 설치할 때 필요.

sudo cat /var/lib/rancher/k3s/server/token

워커 노드

설치

curl -sfL https://get.k3s.io | K3S_URL=<마스터 노드 IP>:6443 K3S_TOKEN=<TOKEN> sh -

MetalLB

helm repo add metallb https://metallb.github.io/metallb
helm install metallb metallb/metallb

kubectl label namespace metallb-system pod-security.kubernetes.io/enforce=privileged --overwrite
kubectl label namespace metallb-system pod-security.kubernetes.io/audit=privileged --overwrite
kubectl label namespace metallb-system pod-security.kubernetes.io/warn=privileged --overwrite

# metallb.yaml
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: ip-address-pool
  namespace: metallb-system
spec:
  addresses:
    - 192.168.100.10-192.168.100.50
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: l2-advertisement
  namespace: metallb-system
spec:
  ipAddressPools:
  - ip-address-pool

kubectl apply -f metallb.yaml