models on tracker

packages/node/meshnet_node/startup.py

@@ -631,6 +631,21 @@ def _registration_display_fields(node_name: str | None) -> dict[str, str]:
     return {"friendly_name": name}
 
 
+def _tracker_http_error_message(exc: urllib.error.HTTPError) -> str:
+    """Describe an HTTP rejection from the tracker, including its JSON error."""
+    detail = exc.reason or "request rejected"
+    try:
+        payload = json.loads(exc.read().decode("utf-8", errors="replace"))
+        error = payload.get("error") if isinstance(payload, dict) else None
+        if isinstance(error, dict):
+            detail = error.get("message") or error.get("code") or detail
+        elif error:
+            detail = error
+    except Exception:
+        pass
+    return f"Tracker rejected shard assignment (HTTP {exc.code}): {detail}"
+
+
 def run_startup(
     tracker_url: str,
     port: int = 0,
@@ -1108,6 +1123,8 @@ def run_startup(
     })
     try:
         assignment = _get_json(f"{tracker_url}/v1/nodes/assign?{assign_qs}")
+    except urllib.error.HTTPError as exc:
+        raise RuntimeError(_tracker_http_error_message(exc)) from exc
     except urllib.error.URLError as exc:
         print(f"  ERROR: Cannot reach tracker at {tracker_url}: {exc}", file=sys.stderr, flush=True)
         raise