home lab init

ansible/books/create-template.yml

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+- name: Build and Upload NixOS Image, Restore and Convert to Template
+  hosts: nodes
+  gather_facts: false
+
+  vars:
+    flake_name: "{{ flake | default('base') }}"
+    image_dir: "{{ playbook_dir }}/../../nixos"
+    result_path: "{{ image_dir }}/result"
+    dest_dir: "/var/lib/vz/dump/"
+
+  tasks:
+    - name: Build NixOS base image
+      ansible.builtin.shell: nix build .#{{ flake_name }}
+      args:
+        chdir: "{{ image_dir }}"
+      register: build_result
+      delegate_to: localhost
+
+    - name: Get built image file
+      ansible.builtin.find:
+        paths: "{{ result_path }}"
+        patterns: "*.vma.zst"
+      register: built_image
+      delegate_to: localhost
+
+    - name: Fail if no image was built
+      ansible.builtin.fail:
+        msg: "No image file found in result/"
+      when: built_image.files | length == 0
+      delegate_to: localhost
+
+    - name: Set fact for built image path
+      ansible.builtin.set_fact:
+        local_image_path: "{{ built_image.files[0].path | realpath }}"
+        image_filename: "{{ built_image.files[0].path | basename }}"
+      delegate_to: localhost
+
+    - name: Copy image to Proxmox
+      ansible.builtin.copy:
+        src: "{{ local_image_path }}"
+        dest: "{{ dest_dir }}"
+
+    - name: Remove local build result
+      ansible.builtin.file:
+        path: "{{ result_path }}"
+        state: absent
+      delegate_to: localhost
+
+- name: Restore and Convert to Template on Proxmox
+  hosts: nodes
+  become: true
+
+  vars_prompt:
+    - name: "vmid"
+      prompt: "Enter VMID for the template"
+      private: no
+      default: "9000"
+
+    - name: "vmname"
+      prompt: "Enter name for the Proxmox template"
+      private: no
+      default: "nixos-base"
+
+  vars:
+    image_path: "/var/lib/vz/dump/{{ image_filename }}"
+    cpu_cores: 2
+    memory_mb: 2048
+
+  tasks:
+    - name: Restore VM from image
+      ansible.builtin.command: >
+        qmrestore {{ image_path }} {{ vmid }} --unique true
+      args:
+        creates: "/etc/pve/qemu-server/{{ vmid }}.conf"
+
+    - name: Set name, CPU and memory
+      ansible.builtin.command: >
+        qm set {{ vmid }} --cores {{ cpu_cores }} --memory {{ memory_mb }} --name {{ vmname }}
+
+    - name: Convert VM to template
+      ansible.builtin.command: qm template {{ vmid }}