openwrt_imagebuilder.yml

---
- name: Create build container
  hosts: sppve
  gather_facts: false

  vars:
    resource_type: ct
    # imagebuilder depends on python3-distutils, which removed from ubuntu 24.04 with python 3.12
    ct_template: spsrv-proxmox:vztmpl/ubuntu-22.04-standard_22.04-1_amd64.tar.zst
    vmid: 3999
    hostname: openwrt-imagebuilder
    comment: Temp host for building openwrt image
    cores: 4
    mem: 2048
    disk_size: 10
    net_ip: 192.168.10.69
    net_vlan: 10
    net_gw: 192.168.10.1
    net_dns: 192.168.10.1
    net_domain: "{{ inventory__homelab_domain }}"
    openwrt_version: 23.05.5
    openwrt_target: x86/64
    openwrt_image_builder: openwrt-imagebuilder-{{ openwrt_version }}-{{ openwrt_target | replace('/','-') }}.Linux-x86_64
    openwrt_image_builder_url: https://downloads.openwrt.org/releases/{{ openwrt_version }}/targets/{{ openwrt_target }}/{{ openwrt_image_builder }}.tar.xz
    openwrt_image_builder_result: /tmp/{{ openwrt_image_builder }}/bin/targets/x86/64/{{ openwrt_image }}.gz
    openwrt_image: openwrt-{{ openwrt_version }}-{{ openwrt_target | replace('/','-') }}-generic-ext4-combined.img
    openwrt_image_gz: "{{ openwrt_image }}.gz"
    proxmox_template_path: /mnt/pve/spsrv-proxmox/template/qcow2

  roles:
    - { role: pve_manager }

  tasks:
    - name: Set vars for another plays on this host
      ansible.builtin.set_fact:
        vmid: "{{ vmid }}"
        openwrt_version: "{{ openwrt_version }}"
        openwrt_target: "{{ openwrt_target }}"
        openwrt_image_builder: "{{ openwrt_image_builder }}"
        openwrt_image_builder_url: "{{ openwrt_image_builder_url }}"
        openwrt_image_builder_result: "{{ openwrt_image_builder_result }}"
        openwrt_image: "{{ openwrt_image }}"
        openwrt_image_gz: "{{ openwrt_image_gz }}"
        proxmox_template_path: "{{ proxmox_template_path }}"


- name: Build openwrt image
  hosts: openwrt-imagebuilder
  gather_facts: false
  vars:
    pve_host: sppve
  tasks:
    - name: Copy vars from another host
      ansible.builtin.set_fact:
        openwrt_image_builder: "{{ hostvars[pve_host].openwrt_image_builder }}"
        openwrt_image_builder_url: "{{ hostvars[pve_host].openwrt_image_builder_url }}"
        openwrt_image_builder_result: "{{ hostvars[pve_host].openwrt_image_builder_result }}"

    - name: Install packages for image builder
      ansible.builtin.package:
        state: present
        name:
          - build-essential
          - libncurses-dev
          - zlib1g-dev
          - gawk
          - git
          - gettext
          - libssl-dev
          - xsltproc
          - rsync
          - wget
          - unzip
          - python3
          - python3-distutils

    - name: Create user
      ansible.builtin.user:
        name: build

    - name: Download image builder
      ansible.builtin.unarchive:
        src: "{{ openwrt_image_builder_url }}"
        dest: /tmp
        remote_src: true
        owner: build
        group: build
        creates: /tmp/{{ openwrt_image_builder }}

    # https://openwrt.org/docs/guide-user/installation/openwrt_x86
    # https://openwrt.org/docs/guide-user/additional-software/imagebuilder
    - name: Build image
      community.general.make:
        target: image
        params:
          ROOTFS_PARTSIZE: 240
          PACKAGES: >-
            -dnsmasq
            dnsmasq-full
            dnscrypt-proxy2
            qemu-ga
            luci
            luci-ssl
            openssh-sftp-server
            coreutils-base64
            coreutils-sha1sum
            python3
            nano-full
            htop
            curl
            ss
            tcpdump
            bind-dig
            mtr-json
            sing-box
            wireguard-tools
            luci-proto-wireguard
            qrencode
        chdir: /tmp/{{ openwrt_image_builder }}
      become: true
      become_user: build


- name: Copy openwrt image from container to proxmox host
  hosts: sppve
  gather_facts: false
  tasks:
    - name: Delete old image
      ansible.builtin.file:
        dest: "{{ proxmox_template_path }}/{{ openwrt_image }}"
        state: absent

    - name: Copy compressed image from container
      ansible.builtin.command:
        cmd: pct pull {{ vmid }} {{ openwrt_image_builder_result }} {{ proxmox_template_path }}/{{ openwrt_image_gz }}
      register: _result
      failed_when: _result.stderr
      changed_when: true

    - name: Uncompress image
      ansible.builtin.command:
        cmd: gunzip {{ openwrt_image_gz }}
        chdir: "{{ proxmox_template_path }}"
      register: _result
      failed_when:
        - _result.rc != 0
        - ('trailing garbage ignored' not in _result.stderr)
      changed_when: true

    - name: Destroy build container
      ansible.builtin.shell: >
        pct stop {{ vmid }} && pct destroy {{ vmid }}
      changed_when: true