Test connectivity with requests instead of ping

app/internal/rag.py

@@ -3,6 +3,7 @@
 import sys
 from shutil import rmtree
 
+import requests
 from dotenv import load_dotenv
 
 # LlamaIndex
@@ -38,13 +39,14 @@
 if local_mode:
  print("Running in local mode")
 else:
- response = os.system("ping -c 1 8.8.8.8")
- if response == 0:
- print("Running in cloud mode")
- else:
- print("Cloud mode connectivity failed, switching to local mode")
+ connectivity_test_url = "https://httpbin.org/get"
+ try:
+ with requests.get(connectivity_test_url, timeout=5) as response:
+ response.raise_for_status() # Will raise an HTTPError if the HTTP request returned an unsuccessful status code
+ print("Running in cloud mode")
+ except (requests.ConnectionError, requests.Timeout, requests.HTTPError) as e:
+ print(f"Cloud mode connectivity failed ({e}), switching to local mode")
  local_mode = True
-
 # Setup LLM
 used_llm = setup_llm(local_mode)
 # Setup Langfuse as handler