log improvements

crates/common/src/routing.rs

@@ -2,7 +2,6 @@ use std::rc::Rc;
 
 use crate::{configuration, llm_providers::LlmProviders};
 use configuration::LlmProvider;
-use log::debug;
 use rand::{seq::IteratorRandom, thread_rng};
 
 #[derive(Debug)]
@@ -35,11 +34,9 @@ pub fn get_llm_provider(
     }
 
     if llm_providers.default().is_some() {
-        debug!("no llm provider found for hint, using default llm provider");
         return llm_providers.default().unwrap();
     }
 
-    debug!("no default llm found, using random llm provider");
     let mut rng = thread_rng();
     llm_providers
         .iter()

crates/llm_gateway/src/filter_context.rs

@@ -79,11 +79,6 @@ impl RootContext for FilterContext {
     }
 
     fn create_http_context(&self, context_id: u32) -> Option<Box<dyn HttpContext>> {
-        debug!(
-            "||| create_http_context called with context_id: {:?} |||",
-            context_id
-        );
-
         Some(Box::new(StreamContext::new(
             context_id,
             Rc::clone(&self.metrics),

crates/llm_gateway/src/stream_context.rs

@@ -10,7 +10,6 @@ use common::consts::{
 };
 use common::errors::ServerError;
 use common::llm_providers::LlmProviders;
-use common::pii::obfuscate_auth_header;
 use common::ratelimit::Header;
 use common::stats::{IncrementingMetric, RecordingMetric};
 use common::tracing::{Event, Span, TraceData, Traceparent};
@@ -82,12 +81,16 @@ impl StreamContext {
             .get_http_request_header(ARCH_PROVIDER_HINT_HEADER)
             .map(|llm_name| llm_name.into());
 
-        debug!("llm provider hint: {:?}", provider_hint);
         self.llm_provider = Some(routing::get_llm_provider(
             &self.llm_providers,
             provider_hint,
         ));
-        debug!("selected llm: {}", self.llm_provider.as_ref().unwrap().name);
+
+        debug!(
+            "llm provider hint: {:?}, selected llm: {}",
+            self.get_http_request_header(ARCH_PROVIDER_HINT_HEADER),
+            self.llm_provider.as_ref().unwrap().name
+        );
     }
 
     fn modify_auth_headers(&mut self) -> Result<(), ServerError> {
@@ -173,6 +176,8 @@ impl HttpContext for StreamContext {
     // Envoy's HTTP model is event driven. The WASM ABI has given implementors events to hook onto
     // the lifecycle of the http request and response.
     fn on_http_request_headers(&mut self, _num_headers: usize, _end_of_stream: bool) -> Action {
+        let request_path = self.get_http_request_header(":path").unwrap_or_default();
+        debug!("request_path: {}", request_path);
         self.select_llm_provider();
 
         // if endpoint is not set then use provider name as routing header so envoy can resolve the cluster name
@@ -197,12 +202,6 @@ impl HttpContext for StreamContext {
         self.is_chat_completions_request =
             self.get_http_request_header(":path").unwrap_or_default() == CHAT_COMPLETIONS_PATH;
 
-        debug!(
-            "on_http_request_headers S[{}] req_headers={:?}",
-            self.context_id,
-            obfuscate_auth_header(&mut self.get_http_request_headers())
-        );
-
         self.request_id = self.get_http_request_header(REQUEST_ID_HEADER);
         self.traceparent = self.get_http_request_header(TRACE_PARENT_HEADER);
 
@@ -310,11 +309,6 @@ impl HttpContext for StreamContext {
     }
 
     fn on_http_response_headers(&mut self, _num_headers: usize, _end_of_stream: bool) -> Action {
-        debug!(
-            "on_http_response_headers [S={}] end_stream={}",
-            self.context_id, _end_of_stream
-        );
-
         self.set_property(
             vec!["metadata", "filter_metadata", "llm_filter", "user_prompt"],
             Some("hello world from filter".as_bytes()),
@@ -324,11 +318,6 @@ impl HttpContext for StreamContext {
     }
 
     fn on_http_response_body(&mut self, body_size: usize, end_of_stream: bool) -> Action {
-        debug!(
-            "on_http_response_body [S={}] bytes={} end_stream={}",
-            self.context_id, body_size, end_of_stream
-        );
-
         if !self.is_chat_completions_request {
             debug!("non-chatcompletion request");
             return Action::Continue;
@@ -438,7 +427,7 @@ impl HttpContext for StreamContext {
             }
             streaming_chunk
         } else {
-            debug!("non streaming response bytes read: 0:{}", body_size);
+            trace!("non streaming response bytes read: 0:{}", body_size);
             match self.get_http_response_body(0, body_size) {
                 Some(body) => body,
                 None => {
@@ -520,7 +509,7 @@ impl HttpContext for StreamContext {
                 }
             }
         } else {
-            debug!("non streaming response");
+            trace!("non streaming response");
             let chat_completions_response: ChatCompletionsResponse =
                 match serde_json::from_str(body_utf8.as_str()) {
                     Ok(de) => de,

crates/prompt_gateway/src/context.rs

@@ -3,7 +3,7 @@ use std::str::FromStr;
 use common::errors::ServerError;
 use common::stats::IncrementingMetric;
 use http::StatusCode;
-use log::{debug, warn};
+use log::warn;
 use proxy_wasm::traits::Context;
 
 use crate::stream_context::{ResponseHandlerType, StreamContext};
@@ -25,12 +25,11 @@ impl Context for StreamContext {
 
         let body = self
             .get_http_call_response_body(0, body_size)
-            .unwrap_or(vec![]);
+            .unwrap_or_default();
 
         let http_status = self
             .get_http_call_response_header(":status")
             .unwrap_or(StatusCode::OK.as_str().to_string());
-        debug!("http call response code: {}", http_status);
         if http_status != StatusCode::OK.as_str() {
             let server_error = ServerError::Upstream {
                 host: callout_context.upstream_cluster.unwrap(),
@@ -45,7 +44,6 @@ impl Context for StreamContext {
             );
         }
 
-        debug!("http call response handler type: {:?}", callout_context.response_handler_type);
         #[cfg_attr(any(), rustfmt::skip)]
         match callout_context.response_handler_type {
             ResponseHandlerType::ArchFC => self.arch_fc_response_handler(body, callout_context),

crates/prompt_gateway/src/filter_context.rs

@@ -3,7 +3,6 @@ use crate::stream_context::StreamContext;
 use common::configuration::{Configuration, Overrides, PromptGuards, PromptTarget, Tracing};
 use common::http::Client;
 use common::stats::Gauge;
-use log::debug;
 use proxy_wasm::traits::*;
 use proxy_wasm::types::*;
 use std::cell::RefCell;
@@ -84,11 +83,6 @@ impl RootContext for FilterContext {
     }
 
     fn create_http_context(&self, context_id: u32) -> Option<Box<dyn HttpContext>> {
-        debug!(
-            "||| create_http_context called with context_id: {:?} |||",
-            context_id
-        );
-
         Some(Box::new(StreamContext::new(
             context_id,
             Rc::clone(&self.metrics),

crates/prompt_gateway/src/http_context.rs

@@ -10,7 +10,6 @@ use common::{
     },
     errors::ServerError,
     http::{CallArgs, Client},
-    pii::obfuscate_auth_header,
 };
 use http::StatusCode;
 use log::{debug, trace, warn};
@@ -40,12 +39,6 @@ impl HttpContext for StreamContext {
 
         self.is_chat_completions_request = request_path == CHAT_COMPLETIONS_PATH;
 
-        trace!(
-            "on_http_request_headers S[{}] req_headers={:?}",
-            self.context_id,
-            obfuscate_auth_header(&mut self.get_http_request_headers())
-        );
-
         self.request_id = self.get_http_request_header(REQUEST_ID_HEADER);
         self.traceparent = self.get_http_request_header(TRACE_PARENT_HEADER);
         Action::Continue