added readme

README.md

@@ -0,0 +1,38 @@
+# AppDaemon VSCode Tunnel
+
+## Install Service
+
+Use the `install_service.py` script to install.
+
+- Creates symlinks to `/etc/systemd/system`
+    - `example.socket`
+    - `example.service`
+- Reloads the service definitions
+- Starts the `example.socket`
+- Enables the `example.socket` to start at boot
+
+> [!NOTE]  
+> The `example.socket` does cause `example.service` to start when something connects to the socket at `/run/example.sock`.
+
+> [!CAUTION]
+> `example.service` does not stop when disconnecting from `/run/example.sock`
+
+## Other Commands
+
+Reload systemd units
+
+```shell
+sudo systemctl daemon-reload
+```
+
+List loaded units
+
+```shell
+systemctl list-units --type=service
+```
+
+Check statuses
+
+```shell
+systemctl status example.socket
+```

install_service.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 
 import subprocess
 from pathlib import Path
@@ -21,34 +21,32 @@ def create_symlink(source, target):
         print(f'Error creating symlink: [bold red]{e}[/]')
 
 
-def run_command(command):
-    try:
-        subprocess.run(command, check=True, shell=True)
-    except subprocess.CalledProcessError as e:
-        print(f'Error running command: {command}\n{e}')
-
-
 def main():
     repo_dir = Path(__file__).resolve().parent
     systemd_dir = Path('/etc/systemd/system')
 
     # Define the source and target paths
-    socket_file = 'example.socket'
-    service_file = 'example.service'
+    name = 'example'
+    socket_file = f'{name}.socket'
+    service_file = f'{name}.service'
 
     # Create symlinks
     create_symlink(repo_dir / socket_file, systemd_dir / socket_file)
     create_symlink(repo_dir / service_file, systemd_dir / service_file)
 
     # Reload systemd, start and enable the socket
-    run_command('sudo systemctl daemon-reload')
+    try:
+        cmd_kwargs = dict(check=True, text=True, capture_output=True)
+        subprocess.run(['sudo', 'systemctl', 'daemon-reload'], **cmd_kwargs)
         print('Reloaded systemd services')
 
-    run_command('sudo systemctl start example.socket')
+        subprocess.run(['sudo', 'systemctl', 'start', socket_file], **cmd_kwargs)
         print(f'Started [blue]{socket_file}[/]')
 
-    run_command('sudo systemctl enable example.socket')
+        subprocess.run(['sudo', 'systemctl', 'enable', socket_file], **cmd_kwargs)
         print(f'Enabled [blue]{socket_file}[/] to start at boot')
+    except subprocess.CalledProcessError as e:
+        print('Error:', e.stderr)
 
 
 if __name__ == '__main__':