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Ansible setup

My cluster is made of a mix of arm64 and x86_64 nodes:

The test cluster is created with lxd

Settings

See groups_var.

Secrets encrypted with Ansible Vault. Password stored at ~/.vault_pass.txt as comfigured at ansible.cfg. This is the only password that needs to be remembered. All other passwords are derived from this.

If a password needs to be changed use the command ansible-vault encrypt_string from this folder - it will ask to enter the content to string and end with ctrd-d.

Dependencies

Install all required galaxies and roles with ansible-galaxy install -r requirements.yml

Install

  1. Create nodes 
    ansible-playbook -i hosts-production proxmox_install.yaml
  2. Prepare nodes 
    ansible-playbook -i hosts-production hw_setup.yaml
  3. Install K3S cluster 
    ansible-playbook -i hosts-production k3s_install.yaml
  4. Install flux2 
    ansible-playbook -i hosts-production flux_install.yaml

Update Host OS

ansible-playbook -i hosts-production hw_update.yaml

Update Flux

This should not be needed since there is GitHub workflow to do this automatically via PR

  1. Update 
    flux install --export>clusters/staging/flux-system/gotk-components.yaml

Uninstall

  1. Uninstall flux2 
    flux uninstall
  2. Uninstall k3s 
    ansible-playbook -i hosts-production k3s_remove.yaml
  3. Delete VMs 
    ansible-playbook -i hosts-production proxmox_remove.yaml

Deprecated

  • lxd
  • microk8s