141 lines
3.8 KiB
Python
Executable file
141 lines
3.8 KiB
Python
Executable file
#!/usr/bin/env python3
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import argparse
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import os
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from pathlib import Path
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import platform
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import shlex
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from subprocess import check_call, run, DEVNULL
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from grasp_server import setup_parser
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SYSTEM = platform.system()
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SYSTEMD_TEMPLATE = """
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[Unit]
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Description=Grasp extension server conterpart
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[Install]
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WantedBy=default.target
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[Service]
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ExecStart={server} {extra_args}
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Type=simple
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Restart=always
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""".lstrip()
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LAUNCHD_TEMPLATE = '''
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>Label</key>
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<string>{service_name}</string>
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<key>ProgramArguments</key>
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<array>
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{arguments}
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</array>
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<key>RunAtLoad</key>
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<true/>
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<key>KeepAlive</key>
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<true/>
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</dict>
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</plist>
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'''.lstrip()
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def systemd(*args, method=check_call):
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method([
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'systemctl', '--user', *args,
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])
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def get_command(args) -> list[str]:
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return [
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'--port', args.port,
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'--path', args.path,
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'--template', args.template,
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*([] if args.config is None else ['--config' , args.config]),
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]
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def setup_systemd(args) -> None:
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args.template = args.template.replace('%', '%%').replace('\n', r'\n') # escape for systemd...
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args.unit_name = args.unit_name.removesuffix('.service') # legacy unit_name default had .service
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base_path = '~/.config/systemd/user'
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if not Path(base_path).expanduser().is_dir():
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Path(base_path).expanduser().mkdir(parents=True, exist_ok=True)
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unit_name = args.unit_name
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out = Path(f'{base_path}/{unit_name}.service').expanduser()
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print(f"Writing unit file to {out}")
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server_bin = Path(__file__).parent.joinpath('grasp_server.py').absolute()
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command = get_command(args)
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extra_args = ' '.join(map(shlex.quote, command))
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out.write_text(SYSTEMD_TEMPLATE.format(
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server=server_bin,
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extra_args=extra_args,
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))
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try:
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systemd('stop' , unit_name, method=run) # ignore errors here if it wasn't running in the first place
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systemd('daemon-reload')
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systemd('enable', unit_name)
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systemd('start' , unit_name)
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systemd('status', unit_name)
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except Exception as e:
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print(f"Something has gone wrong... you might want to use 'journalctl --user -u {unit_name}' to debug")
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raise e
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def setup_launchd(args) -> None:
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# launchd keep everything as xml and treats whitespace literally
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args.template = args.template.replace(r'\n', '\n')
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base_path = Path('~/Library/LaunchAgents')
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unit_name = args.unit_name
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out = Path(f'{base_path}/{unit_name}.plist').expanduser()
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print(f"Writing unit file to {out}")
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server_bin = Path(__file__).parent.joinpath('grasp_server.py').absolute()
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command = get_command(args)
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command = [str(server_bin)] + command
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arguments = '\n'.join(f'<string>{a}</string>' for a in command)
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out.write_text(LAUNCHD_TEMPLATE.format(
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service_name=unit_name,
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arguments=arguments,
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))
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DOMAIN = f'gui/{os.getuid()}'
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# defensive since might not have been running
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run(['launchctl', 'bootout', DOMAIN + '/' + unit_name], stdout=DEVNULL, stderr=DEVNULL)
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check_call(['launchctl', 'bootstrap', DOMAIN, out])
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def main() -> None:
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default_unit_name = 'grasp' if SYSTEM == 'Linux' else 'com.github.karlicoss.grasp'
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p = argparse.ArgumentParser('grasp server setup', formatter_class=lambda prog: argparse.ArgumentDefaultsHelpFormatter(prog, width=100)) # type: ignore
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p.add_argument('--unit-name', type=str, default=default_unit_name, help='systemd/launchd unit name')
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setup_parser(p)
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args = p.parse_args()
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if SYSTEM == 'Linux':
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setup_systemd(args)
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else: # assume macos
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setup_launchd(args)
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if __name__ == '__main__':
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main()
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