Files
the-littlest-jupyterhub/tljh/jupyterhub_config.py
Min RK 13648050ae single yaml implementation
consolidate to a single yaml implementation,
removing pyyaml
2019-02-11 13:29:01 +01:00

67 lines
2.2 KiB
Python

"""
JupyterHub config for the littlest jupyterhub.
"""
from glob import glob
import os
from systemdspawner import SystemdSpawner
from tljh import configurer, user
from tljh.config import INSTALL_PREFIX, USER_ENV_PREFIX, CONFIG_DIR
from tljh.normalize import generate_system_username
from tljh.yaml import yaml
class UserCreatingSpawner(SystemdSpawner):
"""
SystemdSpawner with user creation on spawn.
FIXME: Remove this somehow?
"""
def start(self):
"""
Perform system user activities before starting server
"""
# FIXME: Move this elsewhere? Into the Authenticator?
system_username = generate_system_username('jupyter-' + self.user.name)
# FIXME: This is a hack. Allow setting username directly instead
self.username_template = system_username
user.ensure_user(system_username)
user.ensure_user_group(system_username, 'jupyterhub-users')
if self.user.admin:
user.ensure_user_group(system_username, 'jupyterhub-admins')
else:
user.remove_user_group(system_username, 'jupyterhub-admins')
return super().start()
c.JupyterHub.spawner_class = UserCreatingSpawner
# leave users running when the Hub restarts
c.JupyterHub.cleanup_servers = False
# Use a high port so users can try this on machines with a JupyterHub already present
c.JupyterHub.hub_port = 15001
c.ConfigurableHTTPProxy.should_start = False
c.ConfigurableHTTPProxy.api_url = 'http://127.0.0.1:15002'
c.SystemdSpawner.extra_paths = [os.path.join(USER_ENV_PREFIX, 'bin')]
c.SystemdSpawner.default_shell = '/bin/bash'
# Drop the '-singleuser' suffix present in the default template
c.SystemdSpawner.unit_name_template = 'jupyter-{USERNAME}'
config_overrides_path = os.path.join(CONFIG_DIR, 'config.yaml')
if os.path.exists(config_overrides_path):
with open(config_overrides_path) as f:
config_overrides = yaml.load(f)
else:
config_overrides = {}
configurer.apply_config(config_overrides, c)
# Load arbitrary .py config files if they exist.
# This is our escape hatch
extra_configs = sorted(glob(os.path.join(CONFIG_DIR, 'jupyterhub_config.d', '*.py')))
for ec in extra_configs:
load_subconfig(ec)