new changes

YakPanel-server/backend/app/core/utils.py

@@ -9,6 +9,24 @@ from typing import Tuple, Optional
 
 regex_safe_path = re.compile(r"^[\w\s./\-]*$")
 
+# systemd often sets PATH to venv-only; subprocess shells then miss /usr/bin (dnf, apt-get, …).
+_SYSTEM_PATH = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+
+
+def ensure_system_path(env: dict[str, str]) -> None:
+    """Append standard locations to PATH if /usr/bin is missing."""
+    cur = (env.get("PATH") or "").strip()
+    if "/usr/bin" in cur:
+        return
+    env["PATH"] = f"{cur}:{_SYSTEM_PATH}" if cur else _SYSTEM_PATH
+
+
+def environment_with_system_path(base: Optional[dict[str, str]] = None) -> dict[str, str]:
+    """Copy of process env (or base) with PATH guaranteed to include system bin dirs."""
+    env = dict(base) if base is not None else os.environ.copy()
+    ensure_system_path(env)
+    return env
+
 
 def md5(strings: str | bytes) -> str:
     """Generate MD5 hash"""
@@ -78,6 +96,7 @@ async def exec_shell(
         stdout=asyncio.subprocess.PIPE,
         stderr=asyncio.subprocess.PIPE,
         cwd=cwd,
+        env=environment_with_system_path(),
     )
     try:
         stdout, stderr = await asyncio.wait_for(
@@ -102,6 +121,7 @@ def exec_shell_sync(cmd: str, timeout: Optional[float] = None, cwd: Optional[str
             capture_output=True,
             timeout=timeout or 300,
             cwd=cwd,
+            env=environment_with_system_path(),
         )
         out = result.stdout.decode("utf-8", errors="replace") if result.stdout else ""
         err = result.stderr.decode("utf-8", errors="replace") if result.stderr else ""