Update .gitignore and refactor Ubuntu template playbook to use role for Proxmox template management

ansible/roles/proxmox_template_manage/defaults/main.yml

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+---
+# Defaults for proxmox_template_manage role
+
+# Target Proxmox Node (where commands run)
+proxmox_node: "{{ inventory_hostname }}"
+
+# Storage Pool for Disks
+storage_pool: local-lvm
+
+# Template ID and Name
+template_id: 9000
+template_name: ubuntu-2204-cloud-template
+
+# Hardware Specs
+template_memory: 2048
+template_cores: 2
+
+# Image Source
+# Options: 'list' (use image_alias) or 'url' (use custom_image_url)
+image_source_type: list 
+
+image_list:
+  ubuntu-22.04:
+    url: "https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img"
+    filename: "ubuntu-22.04-server-cloudimg-amd64.img"
+  ubuntu-24.04:
+    url: "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
+    filename: "ubuntu-24.04-server-cloudimg-amd64.img"
+  debian-12:
+    url: "https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-generic-amd64.qcow2"
+    filename: "debian-12-generic-amd64.qcow2"
+
+image_alias: ubuntu-22.04
+
+custom_image_url: ""
+custom_image_name: "custom-image.img"
+
+# Cloud Init / SSH
+# Optional: Embed a default admin key into the template
+embed_admin_ssh_key: false
+admin_ssh_key: ""

ansible/roles/proxmox_template_manage/tasks/main.yml

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+---
+- name: Resolve Image Variables (List)
+  set_fact:
+    _image_url: "{{ image_list[image_alias].url }}"
+    _image_name: "{{ image_list[image_alias].filename }}"
+  when: image_source_type == 'list'
+
+- name: Resolve Image Variables (URL)
+  set_fact:
+    _image_url: "{{ custom_image_url }}"
+    _image_name: "{{ custom_image_name }}"
+  when: image_source_type == 'url'
+
+- name: Check if template already exists
+  command: "qm status {{ template_id }}"
+  register: vm_status
+  failed_when: false
+  changed_when: false
+
+- name: Fail if template ID exists
+  fail:
+    msg: "VM ID {{ template_id }} already exists. Please delete it or choose a different ID."
+  when: vm_status.rc == 0
+
+- name: Download Cloud Image
+  get_url:
+    url: "{{ _image_url }}"
+    dest: "/tmp/{{ _image_name }}"
+    mode: '0644'
+
+- name: Install libguestfs-tools (for virt-customize if needed)
+  apt:
+    name: libguestfs-tools
+    state: present
+  ignore_errors: yes
+
+- name: Create VM with hardware config
+  command: >
+    qm create {{ template_id }}
+    --name "{{ template_name }}"
+    --memory {{ template_memory }}
+    --core {{ template_cores }}
+    --net0 virtio,bridge=vmbr0
+    --scsihw virtio-scsi-pci
+    --ostype l26
+    --serial0 socket --vga serial0
+
+- name: Import Disk
+  command: "qm importdisk {{ template_id }} /tmp/{{ _image_name }} {{ storage_pool }}"
+
+- name: Attach Disk to SCSI
+  command: "qm set {{ template_id }} --scsi0 {{ storage_pool }}:vm-{{ template_id }}-disk-0"
+
+- name: Add Cloud-Init Drive
+  command: "qm set {{ template_id }} --ide2 {{ storage_pool }}:cloudinit"
+
+- name: Set Boot Order
+  command: "qm set {{ template_id }} --boot c --bootdisk scsi0"
+
+- name: Configure Cloud-Init (Optional Admin Key)
+  block:
+    - name: Prepare SSH Keys File
+      copy:
+        content: "{{ admin_ssh_key }}"
+        dest: "/tmp/ssh_key_{{ template_id }}.pub"
+        mode: '0600'
+    
+    - name: Set SSH Keys on Template
+      command: "qm set {{ template_id }} --sshkeys /tmp/ssh_key_{{ template_id }}.pub"
+    
+    - name: Cleanup Key File
+      file:
+        path: "/tmp/ssh_key_{{ template_id }}.pub"
+        state: absent
+  when: embed_admin_ssh_key | bool and admin_ssh_key | length > 0
+
+- name: Set Cloud-Init IP Config (DHCP)
+  command: "qm set {{ template_id }} --ipconfig0 ip=dhcp"
+
+- name: Resize Disk (to Minimum 10G)
+  command: "qm resize {{ template_id }} scsi0 10G"
+  ignore_errors: yes
+
+- name: Convert to Template
+  command: "qm template {{ template_id }}"
+
+- name: Remove Downloaded Image
+  file:
+    path: "/tmp/{{ _image_name }}"
+    state: absent