MetalLB Load Balancer

Prerequisites

Install Cert Manager

Manifest

YAML install

version=$(curl https://api.github.com/repos/metallb/metallb/releases/latest | jq -r .tag_name)
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/$version/config/manifests/metallb-native.yaml

# If memberlist secret not found
kubectl create secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)"

Update ip address and apply

kubectl apply -f ip-pool.yaml

Helm chart

Install with Helm

helm show values oci://registry-1.docker.io/bitnamicharts/metallb > values.metallb.yaml

helm install metallb oci://registry-1.docker.io/bitnamicharts/metallb --create-namespace --namespace metallb-system

Custom configuration

vi values.metallb.yaml

helm upgrade --install metallb oci://registry-1.docker.io/bitnamicharts/metallb --values values.metallb.yaml --create-namespace --namespace metallb-system