personal_infra/ansible/infra/nodito/33_proxmox_debian_cloud_template.yml

- name: Create Proxmox template from Debian cloud image (no VM clone)
  hosts: nodito
  become: true
  vars_files:
    - ../../infra_vars.yml
    - nodito_vars.yml

  vars:
    # Defaults (override via vars_files or --extra-vars as needed)
    debian_cloud_image_url: "https://cloud.debian.org/images/cloud/trixie/20251006-2257/debian-13-genericcloud-amd64-20251006-2257.qcow2"
    debian_cloud_image_filename: "debian-13-genericcloud-amd64-20251006-2257.qcow2"
    debian_cloud_image_dest_dir: "/var/lib/vz/template/iso"
    debian_cloud_image_dest_path: "{{ debian_cloud_image_dest_dir }}/{{ debian_cloud_image_filename }}"

    proxmox_template_vmid: 9001
    proxmox_template_name: "debian-13-cloud-init"
    proxmox_template_memory_mb: 1024
    proxmox_template_sockets: 1
    proxmox_template_cores: 1
    proxmox_template_bridge: "vmbr0"
    proxmox_template_cpu_type: "host"
    proxmox_template_disk_size_gb: 10

    # Cloud-init defaults applied at template level (optional). You can override per-VM later.
    proxmox_ciuser: "counterweight"            # Default login user to create; distro default may already exist
    proxmox_sshkey_path: "/home/{{ new_user }}/.ssh/authorized_keys"  # Path to pubkey file for cloud-init injection
    proxmox_ci_upgrade: true             # If true, run package upgrade on first boot

    # Auto-install qemu-guest-agent in clones via cloud-init snippet
    qemu_agent_snippet_filename: "user-data-qemu-agent.yaml"

    # Storage to import disk into; use existing storage like local-lvm or your ZFS pool name
    proxmox_image_storage: "{{ zfs_pool_name }}"

  tasks:
    - name: Verify Proxmox VE is running
      command: pveversion
      register: pve_version_check
      changed_when: false
      failed_when: pve_version_check.rc != 0

    - name: Ensure destination directory exists for cloud image
      file:
        path: "{{ debian_cloud_image_dest_dir }}"
        state: directory
        mode: '0755'

    - name: Check if Debian cloud image already present
      stat:
        path: "{{ debian_cloud_image_dest_path }}"
      register: debian_image_stat

    - name: Download Debian cloud image (qcow2)
      get_url:
        url: "{{ debian_cloud_image_url }}"
        dest: "{{ debian_cloud_image_dest_path }}"
        mode: '0644'
        force: false
      when: not debian_image_stat.stat.exists

    - name: Ensure local storage allows snippets content (used for cloud-init snippets)
      command: >
        pvesm set local --content images,iso,vztmpl,snippets
      failed_when: false

    - name: Ensure snippets directory exists on storage mountpoint
      file:
        path: "{{ zfs_pool_mountpoint }}/snippets"
        state: directory
        mode: '0755'

    - name: Read SSH public key content
      slurp:
        src: "{{ proxmox_sshkey_path }}"
      register: ssh_key_content

    - name: Extract SSH keys from authorized_keys file
      set_fact:
        ssh_keys_list: "{{ ssh_key_content.content | b64decode | split('\n') | select('match', '^ssh-') | list }}"

    - name: Write cloud-init user-data snippet to install qemu-guest-agent
      copy:
        dest: "{{ zfs_pool_mountpoint }}/snippets/{{ qemu_agent_snippet_filename }}"
        mode: '0644'
        content: |
          #cloud-config
          user: {{ proxmox_ciuser }}
          ssh_authorized_keys:
          {{ ssh_keys_list | to_nice_yaml | indent(10, first=True) }}
          package_update: true
          package_upgrade: true
          packages:
            - qemu-guest-agent
          runcmd:
            - systemctl enable qemu-guest-agent
            - systemctl start qemu-guest-agent

    - name: Check if VMID already exists
      command: qm config {{ proxmox_template_vmid }}
      register: vmid_config_check
      failed_when: false
      changed_when: false

    - name: Determine if VM is already a template
      set_fact:
        vm_already_template: "{{ 'template: 1' in vmid_config_check.stdout }}"
      when: vmid_config_check.rc == 0

    - name: Create base VM for template (no disk yet)
      command: >
        qm create {{ proxmox_template_vmid }}
        --name {{ proxmox_template_name }}
        --numa 0 --ostype l26
        --cpu cputype={{ proxmox_template_cpu_type }}
        --cores {{ proxmox_template_cores }}
        --sockets {{ proxmox_template_sockets }}
        --memory {{ proxmox_template_memory_mb }}
        --net0 virtio,bridge={{ proxmox_template_bridge }}
      when:
        - vmid_config_check.rc != 0

    - name: Import Debian cloud image as disk to storage
      command: >
        qm importdisk {{ proxmox_template_vmid }}
        {{ debian_cloud_image_dest_path }}
        {{ proxmox_image_storage }}
      register: importdisk_result
      changed_when: '"Successfully imported disk" in importdisk_result.stdout'
      when:
        - vmid_config_check.rc != 0 or not vm_already_template

    - name: Check if ide2 (cloudinit) drive exists
      command: qm config {{ proxmox_template_vmid }}
      register: vm_config_check
      failed_when: false
      changed_when: false
      when:
        - vmid_config_check.rc == 0

    - name: Remove existing ide2 (cloudinit) drive if it exists for idempotency
      command: >
        qm set {{ proxmox_template_vmid }} --delete ide2
      register: ide2_removed
      when:
        - vmid_config_check.rc == 0
        - "'ide2:' in vm_config_check.stdout"

    - name: Build consolidated qm set argument list (simplified)
      set_fact:
        qm_set_args: >-
          {{
            [
              '--scsihw virtio-scsi-pci',
              '--scsi0 ' ~ proxmox_image_storage ~ ':vm-' ~ proxmox_template_vmid ~ '-disk-0',
              '--ide2 ' ~ proxmox_image_storage ~ ':cloudinit',
              '--ipconfig0 ip=dhcp',
              '--boot c',
              '--bootdisk scsi0',
              '--serial0 socket',
              '--vga serial0',
              '--agent enabled=1',
              '--ciuser ' ~ proxmox_ciuser,
              '--sshkey ' ~ proxmox_sshkey_path
            ]
            + (proxmox_ci_upgrade | bool
               | ternary(['--ciupgrade 1'], []))
            + ['--cicustom user=local:snippets/' ~ qemu_agent_snippet_filename]
          }}
      when:
        - vmid_config_check.rc != 0 or not vm_already_template | default(false) or ide2_removed.changed | default(false)

    - name: Apply consolidated qm set
      command: >
        qm set {{ proxmox_template_vmid }} {{ qm_set_args | join(' ') }}
      when:
        - vmid_config_check.rc != 0 or not vm_already_template | default(false) or ide2_removed.changed | default(false)

    - name: Resize primary disk to requested size
      command: >
        qm resize {{ proxmox_template_vmid }} scsi0 {{ proxmox_template_disk_size_gb }}G
      when:
        - vmid_config_check.rc != 0 or not vm_already_template

    - name: Convert VM to template
      command: qm template {{ proxmox_template_vmid }}
      when:
        - vmid_config_check.rc == 0 and not vm_already_template or vmid_config_check.rc != 0