trace log use local time and get custom user agent

crates/obs/src/telemetry.rs

@@ -1,19 +1,19 @@
 use crate::OtelConfig;
-use flexi_logger::{Age, Cleanup, Criterion, DeferredNow, FileSpec, LogSpecification, Naming, Record, WriteMode, style};
+use flexi_logger::{style, Age, Cleanup, Criterion, DeferredNow, FileSpec, LogSpecification, Naming, Record, WriteMode};
 use nu_ansi_term::Color;
 use opentelemetry::trace::TracerProvider;
-use opentelemetry::{KeyValue, global};
+use opentelemetry::{global, KeyValue};
 use opentelemetry_appender_tracing::layer::OpenTelemetryTracingBridge;
 use opentelemetry_otlp::WithExportConfig;
 use opentelemetry_sdk::logs::SdkLoggerProvider;
 use opentelemetry_sdk::{
-    Resource,
     metrics::{MeterProviderBuilder, PeriodicReader, SdkMeterProvider},
     trace::{RandomIdGenerator, Sampler, SdkTracerProvider},
+    Resource,
 };
 use opentelemetry_semantic_conventions::{
-    SCHEMA_URL,
     attribute::{DEPLOYMENT_ENVIRONMENT_NAME, NETWORK_LOCAL_ADDRESS, SERVICE_VERSION as OTEL_SERVICE_VERSION},
+    SCHEMA_URL,
 };
 use rustfs_config::{
     APP_NAME, DEFAULT_LOG_DIR, DEFAULT_LOG_KEEP_FILES, DEFAULT_LOG_LEVEL, ENVIRONMENT, METER_INTERVAL, SAMPLE_RATIO,
@@ -27,7 +27,8 @@ use tracing::info;
 use tracing_error::ErrorLayer;
 use tracing_opentelemetry::{MetricsLayer, OpenTelemetryLayer};
 use tracing_subscriber::fmt::format::FmtSpan;
-use tracing_subscriber::{EnvFilter, Layer, layer::SubscriberExt, util::SubscriberInitExt};
+use tracing_subscriber::fmt::time::LocalTime;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Layer};
 
 /// A guard object that manages the lifecycle of OpenTelemetry components.
 ///
@@ -224,6 +225,7 @@ pub(crate) fn init_telemetry(config: &OtelConfig) -> OtelGuard {
             let fmt_layer = {
                 let enable_color = std::io::stdout().is_terminal();
                 let mut layer = tracing_subscriber::fmt::layer()
+                    .with_timer(LocalTime::rfc_3339())
                     .with_target(true)
                     .with_ansi(enable_color)
                     .with_thread_names(true)