Implemented Remote Agent Updater Script

Data/Agent/Roles/role_ScriptExec_SYSTEM.py

@@ -39,54 +39,6 @@ def _find_borealis_root() -> Optional[str]:
     return None
 
 
-def _launch_silent_update_task():
-    if os.name != 'nt':
-        raise RuntimeError('Silent update is supported on Windows hosts only.')
-
-    root = _find_borealis_root()
-    if not root:
-        raise RuntimeError('Unable to locate Borealis.ps1 on this agent.')
-
-    ps_exe = os.path.expandvars(r"%SystemRoot%\\System32\\WindowsPowerShell\\v1.0\\powershell.exe")
-    if not os.path.isfile(ps_exe):
-        ps_exe = 'powershell.exe'
-
-    task_name = f"Borealis Agent - SilentUpdate - {uuid.uuid4().hex}"
-    task_literal = _ps_literal(task_name)
-    ps_literal = _ps_literal(ps_exe)
-    root_literal = _ps_literal(root)
-    args_literal = _ps_literal('-NoProfile -ExecutionPolicy Bypass -File .\\Borealis.ps1 -SilentUpdate')
-
-    cleanup_script = (
-        "Start-Job -ScriptBlock { Start-Sleep -Seconds 600; "
-        f"try {{ Unregister-ScheduledTask -TaskName {task_literal} -Confirm:$false -ErrorAction SilentlyContinue }} catch {{}} }} | Out-Null"
-    )
-
-    ps_script = "\n".join(
-        [
-            "$ErrorActionPreference='Stop'",
-            f"$task = {task_literal}",
-            "try { Unregister-ScheduledTask -TaskName $task -Confirm:$false -ErrorAction SilentlyContinue } catch {}",
-            f"$action = New-ScheduledTaskAction -Execute {ps_literal} -Argument {args_literal} -WorkingDirectory {root_literal}",
-            "$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -StartWhenAvailable -DeleteExpiredTaskAfter (New-TimeSpan -Minutes 30)",
-            "$principal= New-ScheduledTaskPrincipal -UserId 'SYSTEM' -LogonType ServiceAccount -RunLevel Highest",
-            "Register-ScheduledTask -TaskName $task -Action $action -Settings $settings -Principal $principal -Force | Out-Null",
-            "Start-ScheduledTask -TaskName $task | Out-Null",
-            cleanup_script,
-        ]
-    )
-
-    flags = 0x08000000 if os.name == 'nt' else 0
-    proc = subprocess.run(
-        [ps_exe, '-NoProfile', '-ExecutionPolicy', 'Bypass', '-Command', ps_script],
-        capture_output=True,
-        text=True,
-        creationflags=flags,
-    )
-    if proc.returncode != 0:
-        stderr = proc.stderr or proc.stdout or 'scheduled task registration failed'
-        raise RuntimeError(stderr.strip())
-
 def _canonical_env_key(name: str) -> str:
     cleaned = re.sub(r"[^A-Za-z0-9_]", "_", (name or "").strip())
     return cleaned.upper()
@@ -328,46 +280,6 @@ class Role:
     def register_events(self):
         sio = self.ctx.sio
 
-        @sio.on('agent_silent_update')
-        async def _on_agent_silent_update(payload):
-            hostname = None
-            details = payload if isinstance(payload, dict) else {}
-            try:
-                import socket
-
-                hostname = socket.gethostname()
-                target = (details.get('target_hostname') or '').strip().lower()
-                if target and target != hostname.lower():
-                    return
-
-                loop = asyncio.get_running_loop()
-                await loop.run_in_executor(None, _launch_silent_update_task)
-
-                try:
-                    await sio.emit(
-                        'agent_silent_update_status',
-                        {
-                            'request_id': details.get('request_id') or '',
-                            'hostname': hostname,
-                            'status': 'started',
-                        },
-                    )
-                except Exception:
-                    pass
-            except Exception as e:
-                try:
-                    await sio.emit(
-                        'agent_silent_update_status',
-                        {
-                            'request_id': details.get('request_id') or '',
-                            'hostname': hostname or '',
-                            'status': 'error',
-                            'error': str(e),
-                        },
-                    )
-                except Exception:
-                    pass
-
         @sio.on('quick_job_run')
         async def _on_quick_job_run(payload):
             try: