[Chore LiteLLM Proxy] enforce prometheus metrics as enterprise feature (#5769)

* enforce prometheus as enterprise feature

* show correct error on prometheus metric when not enrterprise user

* docs promethues metrics enforced

* fix enforcing

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

@@ -4,7 +4,8 @@ import TabItem from '@theme/TabItem';
 # 📈 [BETA] Prometheus metrics
 
 :::info
-🚨 Prometheus metrics will be out of Beta on September 15, 2024 - as part of this release it will be on LiteLLM Enterprise starting at $250/mo
+
+✨ Prometheus metrics is on LiteLLM Enterprise starting at $250/mo
 
 [Enterprise Pricing](https://www.litellm.ai/#pricing)
 

litellm/integrations/prometheus.py

@@ -26,9 +26,17 @@ class PrometheusLogger(CustomLogger):
         try:
             from prometheus_client import Counter, Gauge, Histogram
 
-            verbose_logger.warning(
-                "🚨🚨🚨 Prometheus Metrics will be moving to LiteLLM Enterprise on September 15th, 2024.\n🚨 Contact us here to get a license https://calendly.com/d/4mp-gd3-k5k/litellm-1-1-onboarding-chat \n🚨 Enterprise Pricing: https://www.litellm.ai/#pricing"
-            )
+            from litellm.proxy.proxy_server import CommonProxyErrors, premium_user
+
+            if premium_user is not True:
+                verbose_logger.warning(
+                    f"🚨🚨🚨 Prometheus Metrics is on LiteLLM Enterprise\n🚨 {CommonProxyErrors.not_premium_user.value}"
+                )
+                self.litellm_not_a_premium_user_metric = Counter(
+                    name="litellm_not_a_premium_user_metric",
+                    documentation=f"🚨🚨🚨 Prometheus Metrics is on LiteLLM Enterprise. 🚨 {CommonProxyErrors.not_premium_user.value}",
+                )
+                return
 
             self.litellm_llm_api_failed_requests_metric = Counter(
                 name="litellm_llm_api_failed_requests_metric",

litellm/proxy/proxy_config.yaml

@@ -6,16 +6,6 @@ model_list:
       api_base: https://exampleopenaiendpoint-production.up.railway.app
 
 
-assistant_settings:
-  custom_llm_provider: azure
-  litellm_params: 
-    api_key: os.environ/AZURE_API_KEY
-    api_base: os.environ/AZURE_API_BASE
-
-
-general_settings: 
- master_key: sk-1234 
-
 
 
 litellm_settings: