(docs) control proxy debug using env vars

docs/my-website/docs/proxy/quick_start.md

@@ -611,16 +611,31 @@ print(result)
 </Tabs>
 
 ## Debugging Proxy 
-Run the proxy with `--debug` to easily view debug logs 
+
+Events that occur during normal operation
 ```shell
 litellm --model gpt-3.5-turbo --debug
 ```
 
-When making requests you should see the POST request sent by LiteLLM to the LLM on the Terminal output
+Detailed information
+```shell
+litellm --model gpt-3.5-turbo --detailed_debug
+```
+
+### Set Debug Level using env variables
+
+Events that occur during normal operation
+```shell
+export LITELLM_LOG=INFO
+```
+
+Detailed information
+```shell
+export LITELLM_LOG=DEBUG
+```
+
+No Logs
 ```shell
-POST Request Sent from LiteLLM:
-curl -X POST \
-https://api.openai.com/v1/chat/completions \
--H 'content-type: application/json' -H 'Authorization: Bearer sk-qnWGUIW9****************************************' \
--d '{"model": "gpt-3.5-turbo", "messages": [{"role": "user", "content": "this is a test request, write a short poem"}]}'
+export LITELLM_LOG=None
 ```
+

litellm/proxy/proxy_server.py

@@ -976,6 +976,33 @@ async def initialize(
         verbose_router_logger.setLevel(level=logging.DEBUG)  # set router logs to info
         verbose_proxy_logger.setLevel(level=logging.DEBUG)  # set proxy logs to debug
         litellm.set_verbose = True
+    elif debug == False and detailed_debug == False:
+        # users can control proxy debugging using env variable = 'LITELLM_LOG'
+        litellm_log_setting = os.environ.get("LITELLM_LOG", "")
+        if litellm_log_setting != None:
+            if litellm_log_setting.upper() == "INFO":
+                from litellm._logging import verbose_router_logger, verbose_proxy_logger
+                import logging
+
+                # this must ALWAYS remain logging.INFO, DO NOT MODIFY THIS
+
+                verbose_router_logger.setLevel(
+                    level=logging.INFO
+                )  # set router logs to info
+                verbose_proxy_logger.setLevel(
+                    level=logging.INFO
+                )  # set proxy logs to info
+            elif litellm_log_setting.upper() == "DEBUG":
+                from litellm._logging import verbose_router_logger, verbose_proxy_logger
+                import logging
+
+                verbose_router_logger.setLevel(
+                    level=logging.DEBUG
+                )  # set router logs to info
+                verbose_proxy_logger.setLevel(
+                    level=logging.DEBUG
+                )  # set proxy logs to debug
+                litellm.set_verbose = True
 
     dynamic_config = {"general": {}, user_model: {}}
     if config: