download, build, and install aur packages with ansible

ansible-aur-pkg-installer.md

(This is a forked version that just uses ansible_ssh_user for makepkg)

About

When using ArchLinux, I typically prefer to use an AUR helper like pacaur or yaourt to automate away the process of installing a community package.

Ansible's pacman module is great, but it doesn't support AUR packages or pacman's -U flag. Installing AUR packages with Ansible seemed to be left as an exercise to the user, and since AUR helpers do not come with a fresh Arch install, I created this set of tasks to be a reusable way of installing AUR packages on my Arch hosts.

I should take the time to PR an AUR module for Ansible sometime soon, but this is a nice, resusable submodule for any Arch-based Ansible role.

Example

---
- name: install yaourt on ArchLinux hosts
  hosts: my_archlinux_host_group
  gather_facts: yes
  tasks:
    - name: install package-query (a yaourt dependency)
      include: aur/pkg.yml pkg_name=package-query
      
    - name: install yaourt
      include: aur/pkg.yml pkg_name=yaourt

Reccommended Usage

1. Add this gist as a submodule to your Ansible role or playbook

# Example ./roles directory structure for an existing Ansible playbook with a 'foobar' role 
#   roles/
#     foobar/
#       tasks/
#         aur/          # Source repo added as a submodule (cloned into an `aur` directory)
#           pkg.yml
$ cd ./roles/foobar/tasks
$ git submodule add https://gist.github.com/39ecb1eb1ab8ee1d0ce1.git aur

2. Now aur/pkg.yml may be included from any task or handler within the foobar role. Given the variables pkg_name, the tasks will validate, download, compile (as a logging-in user), and install (as root) the pkg_name package.

pkg.yml

---
- name: AUR | Get metadata from AurJson api
  become: no
  uri: >
    url=https://aur.archlinux.org/rpc.php?type=info&arg={{ pkg_name | mandatory }}
    return_content=yes
    timeout=6
  register: api_info

- assert:
    that:
      - api_info.status == 200
      - api_info.json is defined
      - api_info.json.type == 'info'
      - api_info.json.resultcount == 1
      - api_info.json.results is defined

- name: AUR | Get installed package version
  become: no
  shell: pacman -Q {{ pkg_name }} | cut -d ' ' -f2
  register: pacman_query_result

- name: AUR | Check if the AUR Version is already installed
  become: no
  when: api_info.json.results.Version != pacman_query_result.stdout
  shell: echo "Needs Install"
  register: version_check_result

- name: AUR | {{ pkg_name }} | Download tarball
  become: no
  when: version_check_result.changed
  get_url: >
    url='https://aur.archlinux.org{{ api_info.json.results.URLPath }}'
    dest='/tmp/'
  register: aur_tarball

- name: AUR | {{ pkg_name }} | Extract tarball
  become: no
  when: version_check_result.changed
  unarchive: >
    src={{ aur_tarball.dest }}
    dest='/tmp/'
    copy=no
  register: extracted_pkg

- name: AUR | {{ pkg_name }} | Build package, including missing dependencies
  when: extracted_pkg|changed
  become: no
  command: >
    makepkg --noconfirm --noprogressbar --nocolor --force --syncdeps
    chdir=/tmp/{{ pkg_name }}
  register: aur_makepkg_result

- name: AUR | {{ pkg_name }} | Install newly-built aur package with pacman
  when: aur_makepkg_result|changed
  become: yes
  shell: >
    pacman --noconfirm --noprogressbar --needed -U *.pkg.tar.xz
    chdir=/tmp/{{ pkg_name }}
  register: pacman_install_result
  changed_when: pacman_install_result.stdout is defined and pacman_install_result.stdout.find('there is nothing to do') == -1