Bootstrapping of bare-metal Kubernetes clusters

... using kubeadm and Ansible according to stacked control planes with kubeadm

Warning: The current implementation produces a issue which breaks networking fir Docker-in-Docker.

See documentation

Tested components

• Ansible 2.7.4
• Ubuntu 16.04, 18.04
• Docker 18.06
• runc 1.0.0-rc6
• CNI 0.6.0
• CNI plugins 0.7.4
• containerd 1.2.2
• Kubernetes 1.13.0

Quickstart

1. Make sure the follow applies to you:

   • You are planning to use one of the supported provisioners

2. Configure the provisioner, e.g. hcloud

   • Edit vars/hcloud/vars.yml
   • Update credentials: ansible-vault create vars/hcloud/vault.yml

3. Configure the deployment

   • Edit vars/global.yml

4. Run a playbook for a supported runtime with a supported provisioner:

   • ansible-playbook -e provisioner=hcloud k8s-docker.yml