Install logic in user_script

csc_api.py

@@ -7,3 +7,7 @@ def get_lingering_users() -> List[str]:
 
 def create_vhost(domain: str, user: str):
     pass
+
+
+def get_ip() -> str:
+    pass

systemd_template.j2

@@ -0,0 +1,18 @@
+[Unit]
+Description={{ name }}
+After=syslog.target
+After=network.target
+StartLimitIntervalSec=300
+StartLimitBurst=5
+
+[Service]
+RestartSec=5s
+Restart=always
+ExecStart={{ command }}
+WorkingDirectory={{ directory }}
+Environment={{ env }}
+PrivateTmp=yes
+ProtectSystem=full
+
+[Install]
+WantedBy=multi-user.target

user_script.py

@@ -1,10 +1,38 @@
 import argparse
 import logging
+import os
+import subprocess
+import csc_api
+import jinja2
+
+
+def install(name, command, domain, port, ip, directory, env) -> int:
+    template_loader = jinja2.FileSystemLoader(searchpath="./")
+    template_env = jinja2.Environment(loader=template_loader, autoescape=True)
+    template = template_env.get_template('systemd_template.j2')
+    output_text = template.render(command=command, domain=domain, port=port, ip=ip, directory=directory, env=env)
+
+    sanitized_path = os.path.join('~/.config/systemd/user/', os.path.basename(name))
+    if os.path.isfile(sanitized_path):
+        raise FileExistsError(f"Try running `rm -f {sanitized_path}`")
+    with open(sanitized_path, 'w') as f:
+        f.write(output_text)
+    return subprocess.run(['systemctl', '--user', 'enable', name, '--now']).returncode
+
 
 parser = argparse.ArgumentParser(prog='Deployment Helper')
 parser.add_argument('-v', '--verbose', action='store_true')
-subparsers = parser.add_subparsers(help='sub-command help')
+subparsers = parser.add_subparsers(help='command help', dest='command')
+
 parser_install = subparsers.add_parser('install', help='a help')
+parser_install.add_argument('name')
+parser_install.add_argument('command')
+parser_install.add_argument('domain')
+parser_install.add_argument('port')
+parser_install.add_argument('ip', nargs='?', default=csc_api.get_ip())
+parser_install.add_argument('--directory')
+parser_install.add_argument('--env', nargs='*')
+
 parser_uninstall = subparsers.add_parser('uninstall', help='a help')
 parser_start = subparsers.add_parser('start', help='a help')
 parser_stop = subparsers.add_parser('stop', help='a help')
@@ -22,4 +50,6 @@ if args.verbose:
 else:
     logging.basicConfig(format="%(levelname)s: %(message)s")
 
-
+if args.command == 'install':  # can use switch case, but I think ceo might be using 3.9
+    install(args.command.name, args.command.command, args.command.domain, args.command.port, args.command.ip,
+            args.command.directory, args.command.env)