Ansible Role: Kubernetes prep

Prepare Ubuntu hosts for inclusion in a Kubernetes cluster.

Requirements

None

Role Variables

When defining the Kubernetes version, you can get a list of available releases using apt-cache. For example, to find all the point releases for Kubernetes 1.25 train: apt-cache madison kubeadm | grep 1.25

# Kubernetes binary versions to install
k8sversion: "1.25.6-00"

# Docker GPG key URL, required for installing containerd
docker_gpg_url: "https://download.docker.com/linux/ubuntu/gpg"

# Kubernetes GPG key URL
k8s_gpg_url: "https://packages.cloud.google.com/apt/doc/apt-key.gpg"

Dependencies

None.

Example Playbook

# ===========================================================================
# Kubernetes pre-install tasks
# ===========================================================================
- name: Kubernetes pre-install tasks
  hosts: servers
  tags: k8s

  vars_files:
    # Ansible vault with all required passwords
    - "../../credentials.yml"

  roles:
    - jedimt.kubernetes_prep

License

MIT

Author Information

Aaron Patten aaronpatten@gmail.com