django_ynh

Glue code to package django projects as yunohost apps.

This repository is:

The Python package django-ynh with helpers for integrate a Django project as YunoHost package
A example YunoHost Application that can be installed

Pull requests welcome ;)

Features

SSOwat integration (see below)
Helper to create first super user for scripts/install
Run Django development server with a local generated YunoHost package installation (called local_test)
Run pytest against local_test "installation"

SSO authentication

SSOwat is fully supported:

First user ($YNH_APP_ARG_ADMIN) will be created as Django's super user
All new users will be created as normal users
Login via SSO is fully supported
User Email, First / Last name will be updated from SSO data

usage

To create/update the first user in install/upgrade, e.g.:

./manage.py create_superuser --username="$admin" --email="$admin_mail"

This Create/update Django superuser and set a unusable password. A password is not needed, because auth done via SSOwat ;)

Main parts in settings.py:

from django_ynh.secret_key import get_or_create_secret as __get_or_create_secret

# Function that will be called to finalize a user profile:
YNH_SETUP_USER = 'setup_user.setup_project_user'

SECRET_KEY = __get_or_create_secret(FINAL_HOME_PATH / 'secret.txt')  # /opt/yunohost/$app/secret.txt

INSTALLED_APPS = [
    #...
    'django_ynh',
    #...
]

MIDDLEWARE = [
    #... after AuthenticationMiddleware ...
    #
    # login a user via HTTP_REMOTE_USER header from SSOwat:
    'django_ynh.sso_auth.auth_middleware.SSOwatRemoteUserMiddleware',
    #...
]

# Keep ModelBackend around for per-user permissions and superuser
AUTHENTICATION_BACKENDS = (
    'axes.backends.AxesBackend',  # AxesBackend should be the first backend!
    #
    # Authenticate via SSO and nginx 'HTTP_REMOTE_USER' header:
    'django_ynh.sso_auth.auth_backend.SSOwatUserBackend',
    #
    # Fallback to normal Django model backend:
    'django.contrib.auth.backends.ModelBackend',
)

LOGIN_REDIRECT_URL = None
LOGIN_URL = '/yunohost/sso/'
LOGOUT_REDIRECT_URL = '/yunohost/sso/'

local test

For quicker developing of django_ynh in the context of YunoHost app, it's possible to run the Django developer server with the settings and urls made for YunoHost installation.

e.g.:

~$ git clone https://github.com/YunoHost-Apps/django_ynh.git
~$ cd django_ynh/
~/django_ynh$ make
install-poetry         install or update poetry
install                install project via poetry
update                 update the sources and installation and generate "conf/requirements.txt"
lint                   Run code formatters and linter
fix-code-style         Fix code formatting
tox-listenvs           List all tox test environments
tox                    Run pytest via tox with all environments
pytest                 Run pytest
publish                Release new version to PyPi
local-test             Run local_test.py to run the project locally
local-diff-settings    Run "manage.py diffsettings" with local test

~/django_ynh$ make install-poetry
~/django_ynh$ make install
~/django_ynh$ make local-test

Notes:

SQlite database will be used
A super user with username test and password test is created
The page is available under http://127.0.0.1:8000/app_path/

history

compare v0.1.5...master dev
- tbc
v0.1.5 - 17.01.2021
- Make some deps gunicorn, psycopg2-binary, django-redis, django-axes optional
v0.1.4 - 08.01.2021
- Bugfix CSRF verification failed on POST requests #7
v0.1.3 - 08.01.2021
- set "DEBUG = True" in local_test (so static files are served and auth works)
- Bugfixes and cleanups
v0.1.2 - 29.12.2020
- Bugfixes
v0.1.1 - 29.12.2020
- Refactor "create_superuser" to a manage command, useable via "django_ynh" in INSTALLED_APPS
- Generate "conf/requirements.txt" and use this file for install
- rename own settings and urls (in /conf/)
v0.1.0 - 28.12.2020
- first working state
23.12.2020
- init the project

Developer info

package installation / debugging

Please send your pull request to https://github.com/YunoHost-Apps/django_ynh

Try 'main' branch, e.g.:

sudo yunohost app install https://github.com/YunoHost-Apps/django_ynh/tree/master --debug
or
sudo yunohost app upgrade django_ynh -u https://github.com/YunoHost-Apps/django_ynh/tree/master --debug

Try 'testing' branch, e.g.:

sudo yunohost app install https://github.com/YunoHost-Apps/django_ynh/tree/testing --debug
or
sudo yunohost app upgrade django_ynh -u https://github.com/YunoHost-Apps/django_ynh/tree/testing --debug

To remove call e.g.:

sudo yunohost app remove django_ynh

Backup / remove / restore cycle, e.g.:

yunohost backup create --apps django_ynh
yunohost backup list
archives:
  - django_ynh-pre-upgrade1
  - 20201223-163434
yunohost app remove django_ynh
yunohost backup restore 20201223-163434 --apps django_ynh

Debug installation, e.g.:

root@yunohost:~# ls -la /var/www/django_ynh/
total 18
drwxr-xr-x 4 root root 4 Dec  8 08:36 .
drwxr-xr-x 6 root root 6 Dec  8 08:36 ..
drwxr-xr-x 2 root root 2 Dec  8 08:36 media
drwxr-xr-x 7 root root 8 Dec  8 08:40 static

root@yunohost:~# ls -la /opt/yunohost/django_ynh/
total 58
drwxr-xr-x 5 django_ynh django_ynh   11 Dec  8 08:39 .
drwxr-xr-x 3 root        root           3 Dec  8 08:36 ..
-rw-r--r-- 1 django_ynh django_ynh  460 Dec  8 08:39 gunicorn.conf.py
-rw-r--r-- 1 django_ynh django_ynh    0 Dec  8 08:39 local_settings.py
-rwxr-xr-x 1 django_ynh django_ynh  274 Dec  8 08:39 manage.py
-rw-r--r-- 1 django_ynh django_ynh  171 Dec  8 08:39 secret.txt
drwxr-xr-x 6 django_ynh django_ynh    6 Dec  8 08:37 venv
-rw-r--r-- 1 django_ynh django_ynh  115 Dec  8 08:39 wsgi.py
-rw-r--r-- 1 django_ynh django_ynh 4737 Dec  8 08:39 django_ynh_demo_settings.py

root@yunohost:~# cd /opt/yunohost/django_ynh/
root@yunohost:/opt/yunohost/django_ynh# source venv/bin/activate
(venv) root@yunohost:/opt/yunohost/django_ynh# ./manage.py check
django_ynh v0.8.2 (Django v2.2.17)
DJANGO_SETTINGS_MODULE='django_ynh_demo_settings'
PROJECT_PATH:/opt/yunohost/django_ynh/venv/lib/python3.7/site-packages
BASE_PATH:/opt/yunohost/django_ynh
System check identified no issues (0 silenced).

root@yunohost:~# tail -f /var/log/django_ynh/django_ynh.log
root@yunohost:~# cat /etc/systemd/system/django_ynh.service

root@yunohost:~# systemctl reload-or-restart django_ynh
root@yunohost:~# journalctl --unit=django_ynh --follow

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