Setup MetalLB Load Balancer on Kubernetes

MetalLB is a load-balancer implementation for bare metal Kubernetes clusters, using standard routing protocols.

Installation by Manifest

Apply the MetalLB manifest:

kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.15.2/config/manifests/metallb-native.yaml

Check for the latest version on the MetalLB installation page.

Allocate IP Pool for Load Balancing

Create the following configuration to allocate IPs for the cluster:

# metallb.yaml
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  namespace: metallb-system
  name: local-pool
spec:
  addresses:
    - 192.168.99.100-192.168.99.110
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: advert
  namespace: metallb-system

Apply the configuration:

kubectl apply -f metallb.yaml