feat: Implement Ansible for Proxmox VM management and refactor Mastodon Docker Compose, removing outdated service definitions.

ansible/roles/proxmox_vm/defaults/main.yml

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+---
+# Defaults for proxmox_vm role
+
+# Action to perform: create_template, create_vm, delete_vm, backup_vm
+proxmox_action: create_vm
+
+# Common settings
+storage_pool: local-lvm
+vmid: 9000
+
+# Template Creation settings
+template_name: ubuntu-cloud-template
+image_url: "https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img"
+image_name: "ubuntu-22.04-server-cloudimg-amd64.img"
+memory: 2048
+cores: 2
+
+# Create VM settings (cloning)
+new_vm_name: new-vm
+target_node: "{{ inventory_hostname }}" # For cloning, usually same node
+clone_full: true # Full clone (independent) vs Linked clone
+
+# Backup settings
+backup_mode: snapshot # snapshot, suspend, stop
+backup_compress: zstd
+backup_storage: local

ansible/roles/proxmox_vm/tasks/backup_vm.yml

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+---
+- name: Create VM Backup
+  command: >
+    vzdump {{ vmid }}
+    --mode {{ backup_mode }}
+    --compress {{ backup_compress }}
+    --storage {{ backup_storage }}

ansible/roles/proxmox_vm/tasks/create_template.yml

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+---
+- name: Check if template already exists
+  command: "qm status {{ vmid }}"
+  register: vm_status
+  failed_when: false
+  changed_when: false
+
+- name: Fail if template ID exists
+  fail:
+    msg: "VM ID {{ vmid }} already exists. Please choose a different ID or delete the existing VM."
+  when: vm_status.rc == 0
+
+- name: Download Cloud Image
+  get_url:
+    url: "{{ image_url }}"
+    dest: "/tmp/{{ image_name }}"
+    mode: '0644'
+
+- name: Install libguestfs-tools
+  apt:
+    name: libguestfs-tools
+    state: present
+  ignore_errors: yes
+
+- name: Create VM with hardware config
+  command: >
+    qm create {{ vmid }}
+    --name "{{ template_name }}"
+    --memory {{ memory }}
+    --core {{ cores }}
+    --net0 virtio,bridge=vmbr0
+    --scsihw virtio-scsi-pci
+    --ostype l26
+    --serial0 socket --vga serial0
+
+- name: Import Disk
+  command: "qm importdisk {{ vmid }} /tmp/{{ image_name }} {{ storage_pool }}"
+
+- name: Attach Disk to SCSI
+  command: "qm set {{ vmid }} --scsi0 {{ storage_pool }}:vm-{{ vmid }}-disk-0"
+
+- name: Add Cloud-Init Drive
+  command: "qm set {{ vmid }} --ide2 {{ storage_pool }}:cloudinit"
+
+- name: Set Boot Order
+  command: "qm set {{ vmid }} --boot c --bootdisk scsi0"
+
+- name: Resize Disk (Default 10G)
+  command: "qm resize {{ vmid }} scsi0 10G"
+  ignore_errors: yes
+
+- name: Convert to Template
+  command: "qm template {{ vmid }}"
+
+- name: Remove Downloaded Image
+  file:
+    path: "/tmp/{{ image_name }}"
+    state: absent

ansible/roles/proxmox_vm/tasks/create_vm.yml

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+---
+- name: Clone VM from Template
+  command: >
+    qm clone {{ vmid }} {{ new_vmid }}
+    --name "{{ new_vm_name }}"
+    --full {{ 1 if clone_full | bool else 0 }}
+  register: clone_result
+
+- name: Start VM (Optional)
+  command: "qm start {{ new_vmid }}"
+  when: start_after_create | default(false) | bool

ansible/roles/proxmox_vm/tasks/delete_vm.yml

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+---
+- name: Stop VM (Force Stop)
+  command: "qm stop {{ vmid }}"
+  ignore_errors: yes
+
+- name: Destroy VM
+  command: "qm destroy {{ vmid }} --purge"

ansible/roles/proxmox_vm/tasks/main.yml

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+---
+- name: Dispatch task based on action
+  include_tasks: "{{ proxmox_action }}.yml"