updating login logic check

Author: trujillm

charts/all/vllm-inference-service/templates/inference-service.yaml

@@ -35,13 +35,15 @@ spec:
             python - <<'PY'
             from huggingface_hub import snapshot_download, login
             import os
-            token = os.environ.get("HF_TOKEN", "").strip()
+            raw_token = os.environ.get("HF_TOKEN", "")
+            token = raw_token.strip()
             model = os.environ.get("MODEL_ID")
-            if token:
-                print("HF_TOKEN found, logging in to Hugging Face...")
-                login(token=token)
+            if not token or not token.startswith("hf_"):
+                print("[HF] HF_TOKEN empty or invalid format; skipping login")
+                os.environ.pop("HF_TOKEN", None)
             else:
-                print("No HF_TOKEN found, downloading model without authentication...")
+                print("[HF] HF_TOKEN present; attempting login")
+                login(token=token)
             snapshot_download(
                 repo_id=model,
                 local_dir="/cache/models"