brozzler/ansible/roles/common/tasks/main.yml

---
- apt:
    name:
    - python3-setuptools
    - python3-pip
    - python3-virtualenv
    - daemontools
    - daemontools-run
    state: present
    update_cache: yes
    cache_valid_time: 86400 # one day
  become: true

# # get recent virtualenv, which bundles a recent pip
# - find:
#     paths:
#     - /usr/local/lib/python3.4/dist-packages
#     - /usr/local/lib/python3.5/dist-packages
#     recurse: true
#     patterns: virtualenv.py
#     contains: '__version__ = "16.4.3"'
#   register: virtualenv_py_16_4_3
# 
# - command: mktemp -d
#   register: mktempd_out
#   when: virtualenv_py_16_4_3.matched == 0
# 
# - name: download virtualenv-16.4.3
#   get_url:
#     url: https://files.pythonhosted.org/packages/37/db/89d6b043b22052109da35416abc3c397655e4bd3cff031446ba02b9654fa/virtualenv-16.4.3.tar.gz
#     dest: '{{mktempd_out.stdout}}'
#     checksum: sha256:984d7e607b0a5d1329425dd8845bd971b957424b5ba664729fab51ab8c11bc39
#   when: virtualenv_py_16_4_3.matched == 0
# 
# - name: extract virtualenv-16.4.3.tar.gz
#   unarchive:
#     src: '{{mktempd_out.stdout}}/virtualenv-16.4.3.tar.gz'
#     dest: '{{mktempd_out.stdout}}'
#     copy: no
#   when: virtualenv_py_16_4_3.matched == 0
# 
# - name: run "python3 setup.py install" in {{mktempd_out.stdout}}/virtualenv-16.4.3
#   become: true
#   command: python3 setup.py install
#   args:
#     chdir: '{{mktempd_out.stdout}}/virtualenv-16.4.3'
#   when: virtualenv_py_16_4_3.matched == 0
# 
# - file:
#     path: '{{mktempd_out.stdout}}'
#     state: absent
#   become: true
#   when: virtualenv_py_16_4_3.matched == 0

# this clause is a workaround for travis-ci, which only wants to install in /usr
# see https://travis-ci.org/internetarchive/brozzler/builds/174338601
# but it complains that /usr/lib/python3.5/site-packages doesn't exist
# see https://travis-ci.org/internetarchive/brozzler/builds/174094831
- file:
    path: '{{item}}'
    state: directory
  with_items:
  - /usr/lib/python3.5/site-packages
  - /usr/lib/python3.5/dist-packages
  become: true

- command: id {{user}}
  register: id_user
  ignore_errors: true
  changed_when: false

- name: ensure service user {{user}} exists
  user: name={{user}} system=yes createhome=no home=/nonexistent
        shell=/usr/sbin/nologin
  become: true
  when: id_user|failed