mksvc.py

#!/usr/bin/python
import argparse
parser = argparse.ArgumentParser(description='Libvirt based VM builder')
parser.add_argument('--name', '-n', action="store", dest="name", required=True, help='Name of the service')
parser.add_argument('--description', '-d', action="store", dest="description", default=None, required=False, help='Descriprion of the service')
parser.add_argument('--command', '-c', action="store", dest="command", required=True, help='Bash command to execute')
results = parser.parse_args()
if results.description == None:
  results.description = results.name
template = '''
[Unit]
Description={}
[Service]
Type=simple
User=root
Restart=always
ExecStart={}
[Install]
WantedBy=multi-user.target
'''
unit_filepath = '/etc/systemd/system/{}.service'.format(results.name)
unit_string = template.format(results.description,results.command)
with open(unit_filepath,'w') as f:
  f.write(unit_string)
print('writing into {}'.format(unit_filepath))