Homelab/ansible/roles/k3s-server/tasks/flux.yml

---
# Install and configure FluxCD

- name: Check if flux is already installed
  command: k3s kubectl get namespace {{ flux_namespace }}
  register: flux_installed
  changed_when: false
  failed_when: false

- name: Download Flux CLI
  get_url:
    url: >-
      https://github.com/fluxcd/flux2/releases/download/
      {{- flux_version }}/
      {{- 'flux_' }}{{ flux_version | replace('v', '') }}_linux_amd64.tar.gz
    dest: /tmp/flux.tar.gz
    mode: '0644'
  when: flux_installed.rc != 0

- name: Extract Flux CLI
  unarchive:
    src: /tmp/flux.tar.gz
    dest: /usr/local/bin
    remote_src: true
    creates: /usr/local/bin/flux
  when: flux_installed.rc != 0

- name: Install FluxCD in cluster
  shell: |
    export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
    /usr/local/bin/flux install --namespace={{ flux_namespace }}
  when: flux_installed.rc != 0
  register: flux_install_result
  changed_when: "'installed' in flux_install_result.stdout"

- name: Wait for FluxCD to be ready
  shell: |
    export KUBECONFIG=/etc/rancher/k3s/k3s.yaml
    /usr/local/bin/flux check
  register: flux_check
  until: flux_check.rc == 0
  retries: 30
  delay: 10
  changed_when: false
  when: flux_installed.rc != 0

- name: Display FluxCD installation status
  debug:
    msg: >-
      FluxCD installed successfully.
      Configure GitRepository in kubernetes/flux-system/
  when: flux_installed.rc != 0