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https://github.com/jupyterhub/the-littlest-jupyterhub.git
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582ef74a61
Restarting JupyterHub should be non-disruptive, and helps make the config changes come true ASAP.
60 lines
1.1 KiB
Python
60 lines
1.1 KiB
Python
"""
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Wraps systemctl to install, uninstall, start & stop systemd services.
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If we use a debian package instead, we can get rid of all this code.
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"""
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import subprocess
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import os
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def reload_daemon():
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"""
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Equivalent to systemctl daemon-reload.
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Makes systemd discover new units.
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"""
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subprocess.run([
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'systemctl',
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'daemon-reload'
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], check=True)
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def install_unit(name, unit, path='/etc/systemd/system'):
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"""
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Install unit wih given name
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"""
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with open(os.path.join(path, name), 'w') as f:
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f.write(unit)
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def uninstall_unit(name, path='/etc/systemd/system'):
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"""
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Uninstall unit with given name
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"""
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subprocess.run([
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'rm',
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os.path.join(path, name)
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], check=True)
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def start_service(name):
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"""
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Start service with given name.
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"""
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subprocess.run([
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'systemctl',
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'start',
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name
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], check=True)
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def restart_service(name):
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"""
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Restart service with given name.
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"""
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subprocess.run([
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'systemctl',
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'restart',
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name
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], check=True)
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