mirror of
https://github.com/jupyterhub/the-littlest-jupyterhub.git
synced 2025-12-18 21:54:05 +08:00
3124cf1f80
We want to keep the amount of custom code we support extremely small. This provides a nice escape hatch for everything else.
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""
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JupyterHub config for the littlest jupyterhub.
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"""
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import copy
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import os
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import yaml
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from glob import glob
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from systemdspawner import SystemdSpawner
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from tljh import user, configurer
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from tljh.config import INSTALL_PREFIX, USER_ENV_PREFIX
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class CustomSpawner(SystemdSpawner):
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def start(self):
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"""
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Perform system user activities before starting server
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"""
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# FIXME: Move this elsewhere? Into the Authenticator?
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system_username = 'jupyter-' + self.user.name
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user.ensure_user(system_username)
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user.ensure_user_group(system_username, 'jupyterhub-users')
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if self.user.admin:
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user.ensure_user_group(system_username, 'jupyterhub-admins')
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else:
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user.remove_user_group(system_username, 'jupyterhub-admins')
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return super().start()
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c.JupyterHub.spawner_class = CustomSpawner
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# Use a high port so users can try this on machines with a JupyterHub already present
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c.JupyterHub.hub_port = 15001
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c.ConfigurableHTTPProxy.should_start = False
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c.ConfigurableHTTPProxy.api_url = 'http://127.0.0.1:15002'
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c.SystemdSpawner.extra_paths = [os.path.join(USER_ENV_PREFIX, 'bin')]
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c.SystemdSpawner.default_shell = '/bin/bash'
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# Drop the '-singleuser' suffix present in the default template
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c.SystemdSpawner.unit_name_template = 'jupyter-{USERNAME}'
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config_overrides_path = os.path.join(INSTALL_PREFIX, 'config.yaml')
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if os.path.exists(config_overrides_path):
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with open(config_overrides_path) as f:
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config_overrides = yaml.safe_load(f)
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else:
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config_overrides = {}
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configurer.apply_config(config_overrides, c)
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# Load arbitrary .py config files if they exist.
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# This is our escape hatch
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extra_configs = sorted(glob(os.path.join(INSTALL_PREFIX, 'config.d', '*.py')))
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for ec in extra_configs:
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load_subconfig(ec)
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