Registers a new systemd service

#!/usr/bin/python import subprocess import shlex import sys import argparse

if sys.version_info[0] > 2: user_input = input else: user_input = raw_input

parser = argparse.ArgumentParser(description='Helper script that register/unregisters simple systemd services') #parser.add_argument('-n', '--name', help='Name of the machine', default="Machinekit") parser.add_argument('-u', '--unregister', help='Unregister the service', action='store_true') parser.add_argument('-d', '--debug', help='Enable debug mode', action='store_true')

args = parser.parse_args()

unregister = args.unregister debug = args.debug

defaultName = 'mklauncher' name = user_input('Please enter the name for the service (default: "%s")\n' % defaultName) if name == '': name = defaultName f = open('/etc/systemd/system/%s.service' % name, 'w') defaultDescription = 'Mklauncher service' description = user_input('Please enter a description for the service (default: "%s")\n' % defaultDescription) if description == '': description = defaultDescription defaultTargets = 'syslog.target network.target' targets = user_input('After which target should the service start? (default: "%s")\n' % defaultTargets) if targets == '': targets = defaultTargets defaultUser = 'machinekit' user = user_input('Which user should start the service? (default: "%s")\n' % defaultUser) if user == '': user = defaultUser defaultCmd = 'mklauncher /home/machinekit/' cmd = user_input('Please enter the command that should be started (default: "%s")\n' % defaultCmd) if cmd == '': cmd = defaultCmd

f.write('[Unit]\n' 'Description=%s\n' 'After=%s\n' '[Service]\n' 'Type=simple\n' 'ExecStart=%s\n' 'User=%s\n' '[Install]\n' 'WantedBy=multi-user.target\n' % (description, targets, cmd, user)) f.close()

subprocess.check_call(shlex.split('systemctl daemon-reload')) subprocess.check_call(shlex.split('systemctl enable %s.service' % name))