Ansible Role: Kubernetes MetalLB

Installs the MetalLB software load balancer in a Kubernetes cluster.

Requirements

Functional Kubernetes cluster.

Role Variables

This role can install either the configmap based MetalLB v0.12.1 or the CRD based v0.13.x versions.

# MetalLB L2 load balancer for K8s (v0.13.9 | v0.12.1)
metallb_version: "v0.13.9"

# For previous configmap based versions, v0.12.1 was last release
# metallb_version: "v0.12.1"

# "Service" IP addresses to use for pods needing a load balancer
# This example represents a continuous range of five IP addresses
metallb_start: 10.100.24.48
metallb_end: 10.100.24.52

# URL to pull MetalLB manifests for v0.13x versions
metallb_v13_url: "https://raw.githubusercontent.com/metallb/metallb/{{ metallb_version }}/config/manifests"

# URLs for MetalLB manifests for v0.12.x version
metallb_v12_base_url: https://raw.githubusercontent.com/metallb/metallb/v0.12.1/manifests
metallb_v12_namespace_url: "{{ metallb_v12_base_url }}/namespace.yaml"
metallb_v12_metallb_url: "{{ metallb_v12_base_url }}/metallb.yaml"

Dependencies

None.

Example Playbook

# ===========================================================================
# Install MetalLB L2 load balancer
# ===========================================================================
- name: Install MetalLB load balancer
  hosts: k8s_master
  become: true

  roles:
    - jedimt.kubernetes_metallb

License

MIT

Author Information

Aaron Patten aaronpatten@gmail.com