Created
September 17, 2019 18:12
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Python script for automatically creating systemd services
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| #!/usr/bin/env python3.6 | |
| import sys | |
| import os | |
| import pwd | |
| import pipes | |
| import subprocess | |
| # Usage: servicize.py python3 main.py | |
| # OR: servicize.py ./somefile.sh | |
| # It will attempt to complete abs paths and automatically name the service. | |
| # Then do: sudo systemctl enable <name> | |
| string = """[Unit] | |
| Description={basename} | |
| After=network.target | |
| [Service] | |
| Type=simple | |
| # Another Type: forking | |
| User={current_user} | |
| WorkingDirectory={cwd} | |
| ExecStart={exec} | |
| Restart=on-failure | |
| # Other restart options: always, on-abort, etc | |
| # The install section is needed to use | |
| # `systemctl enable` to start on boot | |
| # For a user service that you want to enable | |
| # and start automatically, use `default.target` | |
| # For system level services, use `multi-user.target` | |
| [Install] | |
| WantedBy=default.target""" | |
| # if argv1 is a relative path, convert it to absolute | |
| if sys.argv[1][0] == ".": | |
| argv1 = os.path.abspath(sys.argv[1]) | |
| else: | |
| argv1 = subprocess.check_output( | |
| ["which", pipes.quote(sys.argv[1])] | |
| ).decode("ascii").strip("\n") | |
| string = string.format_map({ | |
| "basename": os.path.basename(os.getcwd()), | |
| "current_user": pwd.getpwuid(os.getuid())[0], | |
| "cwd": os.getcwd(), | |
| "exec": argv1 + " " + " ".join(sys.argv[2:]) | |
| }) | |
| if os.getuid() != 0: | |
| cmd = " ".join([ | |
| "echo", pipes.quote(string), "|", "sudo", "tee", | |
| os.path.join( | |
| "/etc/systemd/system/", pipes.quote(os.path.basename(os.getcwd())) + ".service" | |
| ) | |
| ]) | |
| os.system(cmd) | |
| print(cmd.splitlines()[-1][len(string.splitlines()[-1]):]) | |
| print("reloading daemon...") | |
| os.system("sudo systemctl daemon-reload") |
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