refactor(gateway): shorten logging targets from sgl_model_gateway to smg (#16328)

sgl-model-gateway/src/auth/audit.rs

@@ -217,7 +217,7 @@ impl AuditLogger {
 
         // Log the event
         info!(
-            target: "sgl_model_gateway::audit",
+            target: "smg::audit",
             timestamp = %event.timestamp.to_rfc3339(),
             principal = %event.principal,
             auth_method = %event.auth_method,

sgl-model-gateway/src/middleware.rs

@@ -280,7 +280,7 @@ impl<B> MakeSpan<B> for RequestSpan {
         // Don't try to extract request ID here - it won't be available yet
         // The RequestIdLayer runs after TraceLayer creates the span
         info_span!(
-            target: "sgl_model_gateway::otel-trace",
+            target: "smg::otel-trace",
             "http_request",
             method = %request.method(),
             uri = %request.uri(),
@@ -289,7 +289,7 @@ impl<B> MakeSpan<B> for RequestSpan {
             status_code = Empty,
             latency = Empty,
             error = Empty,
-            module = "sgl_model_gateway"
+            module = "smg"
         )
     }
 }
@@ -314,7 +314,7 @@ impl<B> OnRequest<B> for RequestLogger {
 
         // Log the request start
         info!(
-            target: "sgl_model_gateway::request",
+            target: "smg::request",
             "started processing request"
         );
     }
@@ -353,17 +353,17 @@ impl<B> OnResponse<B> for ResponseLogger {
         let _enter = span.enter();
         if status.is_server_error() {
             error!(
-                target: "sgl_model_gateway::response",
+                target: "smg::response",
                 "request failed with server error"
             );
         } else if status.is_client_error() {
             warn!(
-                target: "sgl_model_gateway::response",
+                target: "smg::response",
                 "request failed with client error"
             );
         } else {
             info!(
-                target: "sgl_model_gateway::response",
+                target: "smg::response",
                 "finished processing request"
             );
         }

sgl-model-gateway/src/observability/events.rs

@@ -9,7 +9,7 @@ use super::otel_trace::is_otel_enabled;
 /// Module path used by CustomOtelFilter to identify events for OTEL export.
 #[inline]
 pub const fn get_module_path() -> &'static str {
-    "sgl_model_gateway::observability::events"
+    "smg::observability::events"
 }
 
 pub trait Event {

sgl-model-gateway/src/observability/logging.rs

@@ -16,7 +16,7 @@ use super::otel_trace::get_otel_layer;
 use crate::config::TraceConfig;
 
 const TIME_FORMAT: &str = "%Y-%m-%d %H:%M:%S";
-const DEFAULT_LOG_TARGET: &str = "sgl_model_gateway";
+const DEFAULT_LOG_TARGET: &str = "smg";
 
 #[derive(Debug, Clone)]
 pub struct LoggingConfig {
@@ -36,7 +36,7 @@ impl Default for LoggingConfig {
             json_format: false,
             log_dir: None,
             colorize: true,
-            log_file_name: "sgl-model-gateway".to_string(),
+            log_file_name: "smg".to_string(),
             log_targets: Some(vec![DEFAULT_LOG_TARGET.to_string()]),
         }
     }

sgl-model-gateway/src/observability/otel_trace.rs

@@ -38,8 +38,8 @@ static ALLOWED_TARGETS: OnceLock<[&'static str; 3]> = OnceLock::new();
 fn get_allowed_targets() -> &'static [&'static str; 3] {
     ALLOWED_TARGETS.get_or_init(|| {
         [
-            "sgl_model_gateway::otel-trace",
+            "smg::otel-trace",
-            "sgl_model_gateway::observability::otel_trace",
+            "smg::observability::otel_trace",
             events_module_path(),
         ]
     })
@@ -118,7 +118,7 @@ pub fn otel_tracing_init(enable: bool, otlp_endpoint: Option<&str>) -> Result<()
 
     let resource = Resource::default().merge(&Resource::new(vec![KeyValue::new(
         "service.name",
-        "sgl-router",
+        "smg",
     )]));
 
     let provider = TracerProvider::builder()
@@ -130,7 +130,7 @@ pub fn otel_tracing_init(enable: bool, otlp_endpoint: Option<&str>) -> Result<()
         .set(provider.clone())
         .map_err(|_| anyhow::anyhow!("Provider already initialized"))?;
 
-    let tracer = provider.tracer("sgl-router");
+    let tracer = provider.tracer("smg");
 
     TRACER
         .set(tracer)

sgl-model-gateway/src/routers/grpc/common/stages/request_execution.rs

@@ -90,7 +90,7 @@ impl PipelineStage for RequestExecutionStage {
 
         // Create OTEL span for gRPC request execution
         let span = info_span!(
-            target: "sgl_model_gateway::otel-trace",
+            target: "smg::otel-trace",
             "grpc_generate",
             request_id = %request_id,
             model = %model,

sgl-model-gateway/src/server.rs

@@ -688,7 +688,7 @@ pub async fn startup(config: ServerConfig) -> Result<(), Box<dyn std::error::Err
                 json_format: false,
                 log_dir: config.log_dir.clone(),
                 colorize: true,
-                log_file_name: "sgl-model-gateway".to_string(),
+                log_file_name: "smg".to_string(),
                 log_targets: None,
             },
             config.router_config.trace_config.clone(),

sgl-model-gateway/src/wasm/runtime.rs

@@ -185,7 +185,7 @@ impl WasmThreadPool {
         let num_workers = config.thread_pool_size.clamp(1, max_workers);
 
         debug!(
-            target: "sgl_model_gateway::wasm::runtime",
+            target: "smg::wasm::runtime",
             "Initializing WASM runtime with {} workers",
             num_workers
         );
@@ -200,7 +200,7 @@ impl WasmThreadPool {
                     Ok(rt) => rt,
                     Err(e) => {
                         error!(
-                            target: "sgl_model_gateway::wasm::runtime",
+                            target: "smg::wasm::runtime",
                             worker_id = worker_id,
                             "Failed to create tokio runtime: {}",
                             e
@@ -242,7 +242,7 @@ impl WasmThreadPool {
         config: WasmRuntimeConfig,
     ) {
         debug!(
-            target: "sgl_model_gateway::wasm::runtime",
+            target: "smg::wasm::runtime",
             worker_id = worker_id,
             thread_id = ?std::thread::current().id(),
             "Worker started"
@@ -270,7 +270,7 @@ impl WasmThreadPool {
             Ok(engine) => engine,
             Err(e) => {
                 error!(
-                    target: "sgl_model_gateway::wasm::runtime",
+                    target: "smg::wasm::runtime",
                     worker_id = worker_id,
                     "Failed to create engine: {}",
                     e
@@ -297,7 +297,7 @@ impl WasmThreadPool {
         });
 
         debug!(
-            target: "sgl_model_gateway::wasm::runtime",
+            target: "smg::wasm::runtime",
             worker_id = worker_id,
             epoch_interval_ms = EPOCH_INTERVAL_MS,
             "Epoch incrementer started for timeout enforcement"
@@ -308,7 +308,7 @@ impl WasmThreadPool {
                 Ok(task) => task,
                 Err(_) => {
                     debug!(
-                        target: "sgl_model_gateway::wasm::runtime",
+                        target: "smg::wasm::runtime",
                         worker_id = worker_id,
                         "Worker shutting down"
                     );