Ssh: add proxyjump solution

ssh_daemon/proxyjump.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import subprocess
+
+def get_vm_port(username):
+    user_map = {
+        'user0': 9000,
+        'user1': 9001,
+        'user2': 9002
+    }
+    return user_map.get(username)
+
+def main():
+    username = os.environ.get('USER')
+    if not username:
+        print("Error: Unable to determine username", file=sys.stderr)
+        sys.exit(1)
+
+    port = 9002 #get_vm_port(username)
+    if not port:
+        print(f"Error: No VM associated with user {username}", file=sys.stderr)
+        sys.exit(1)
+
+    # Use os.execvp to replace the current process with ssh
+    os.execvp('ssh', ['ssh', '-p', str(port), 'root@localhost'])
+
+if __name__ == "__main__":
+    main()