---
- name: Bootstrap Homelab Environment
  hosts: localhost
  connection: local
  gather_facts: false

  vars:
    libvirt_pool: "default"
    libvirt_volumes:
      - "k3s-server-disk.qcow2"
      - "k3s-agent-1-disk.qcow2"
      - "k3s-agent-2-disk.qcow2"
      - "k3s-common-init.iso"
      - "fedora-cloud-base.qcow2"
    tofu_dir: "{{ playbook_dir }}/tofu"
    ansible_dir: "{{ playbook_dir }}/ansible"
    kubeconfig_path: "{{ playbook_dir }}/kubeconfig"
    flux_git_url: "https://codeberg.org/Pata1704/homelab_gitops.git"
    flux_git_branch: "main"
    flux_git_path: "./clusters/production"
    flux_git_token: "{{ lookup('env', 'GIT_TOKEN') }}"

  tasks:
    # --- 1. Libvirt Volumes prüfen und ggf. löschen ---
    # Builtin-Only: Nicht möglich, daher als Hinweis ein Shell-Task:
    - name: Remove old Libvirt volumes (Shell workaround, no builtin)
      ansible.builtin.shell: |
        for vol in {{ libvirt_volumes | join(' ') }}; do
          if virsh vol-list {{ libvirt_pool }} | grep -q "$vol"; then
            virsh vol-delete --pool {{ libvirt_pool }} "$vol"
          fi
        done
      become: yes
      changed_when: false # Setze auf true, wenn du das nachverfolgen willst

    # --- 2. OpenTofu initialisieren und anwenden ---
    # Builtin-Only: Nicht möglich, daher command-Module verwenden:
    - name: Remove old OpenTofu state and lock files
      ansible.builtin.file:
        path: "{{ item }}"
        state: absent
      loop:
        - "{{ tofu_dir }}/.terraform"
        - "{{ tofu_dir }}/.terraform.lock.hcl"
        - "{{ tofu_dir }}/terraform.tfstate"
        - "{{ tofu_dir }}/terraform.tfstate.backup"
        - "{{ tofu_dir }}/tofu.tfstate"
        - "{{ tofu_dir }}/tofu.tfstate.backup"

    - name: Initialize OpenTofu
      ansible.builtin.command:
        cmd: tofu init
        chdir: "{{ tofu_dir }}"
      changed_when: true

    - name: Plan OpenTofu infrastructure
      ansible.builtin.command:
        cmd: tofu plan -out=tfplan
        chdir: "{{ tofu_dir }}"
      changed_when: false

    - name: Apply OpenTofu infrastructure
      ansible.builtin.command:
        cmd: tofu apply -auto-approve
        chdir: "{{ tofu_dir }}"
      changed_when: true

    # --- 3. K3s-Setup ---
    - name: Run K3s Ansible Playbook
      ansible.builtin.command:
        cmd: 'ansible-playbook -i {{ ansible_dir }}/inventory.ini {{ ansible_dir }}/k3s_setup.yml -e ''ansible_ssh_common_args="-o StrictHostKeyChecking=accept-new"'' --ask-become-pass'
      changed_when: true

    # --- 4. Kubeconfig Hinweis ---
    - name: Display KUBECONFIG info
      ansible.builtin.debug:
        msg:
          - "K3s cluster setup should be complete."
          - "To interact with your cluster, export the KUBECONFIG environment variable:"
          - "  export KUBECONFIG={{ kubeconfig_path }}"
          - "Alternatively, copy '{{ kubeconfig_path }}' to '~/.kube/config' or merge it."

    # --- 5. Flux Bootstrap ---
    - name: Bootstrap Flux
      ansible.builtin.command:
        cmd: >
          flux bootstrap git
          --url={{ flux_git_url }}
          --branch={{ flux_git_branch }}
          --path={{ flux_git_path }}
          --token-auth
      environment:
        KUBECONFIG: "{{ kubeconfig_path }}"
        GIT_TOKEN: "{{ flux_git_token | default(lookup('env', 'GIT_TOKEN')) }}"
      changed_when: true

    - name: Final Bootstrap Message
      ansible.builtin.debug:
        msg: "Cluster-Bootstrap mit Ansible abgeschlossen!"