improve code for logger (#822)

* improve code for logger

* fix

Cargo.lock

@@ -1244,9 +1244,9 @@ dependencies = [
 
 [[package]]
 name = "block-buffer"
-version = "0.11.0-rc.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9ef36a6fcdb072aa548f3da057640ec10859eb4e91ddf526ee648d50c76a949"
+checksum = "96eb4cdd6cf1b31d671e9efe75c5d1ec614776856cefbe109ca373554a6d514f"
 dependencies = [
  "hybrid-array",
 ]
@@ -1455,9 +1455,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.2.44"
+version = "1.2.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37521ac7aabe3d13122dc382493e20c9416f299d2ccd5b3a5340a2570cdeb0f3"
+checksum = "35900b6c8d709fb1d854671ae27aeaa9eec2f8b01b364e1619a40da3e6fe2afe"
 dependencies = [
  "find-msvc-tools",
  "jobserver",
@@ -2953,7 +2953,7 @@ version = "0.11.0-pre.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c478574b20020306f98d61c8ca3322d762e1ff08117422ac6106438605ea516"
 dependencies = [
- "block-buffer 0.11.0-rc.5",
+ "block-buffer 0.11.0",
  "const-oid 0.10.1",
  "crypto-common 0.2.0-rc.5",
  "subtle",
@@ -3375,6 +3375,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_derive",
+ "serde_json",
  "thiserror 2.0.17",
  "toml",
  "tracing",

Cargo.toml

@@ -185,7 +185,7 @@ datafusion = "50.3.0"
 derive_builder = "0.20.2"
 enumset = "1.1.10"
 flate2 = "1.1.5"
-flexi_logger = { version = "0.31.7", features = ["trc", "dont_minimize_extra_stacks", "compress", "kv"] }
+flexi_logger = { version = "0.31.7", features = ["trc", "dont_minimize_extra_stacks", "compress", "kv", "json"] }
 glob = "0.3.3"
 google-cloud-storage = "1.2.0"
 google-cloud-auth = "1.1.0"

crates/obs/src/config.rs

@@ -13,10 +13,10 @@
 // limitations under the License.
 
 use rustfs_config::observability::{
-    ENV_OBS_ENDPOINT, ENV_OBS_ENVIRONMENT, ENV_OBS_LOG_DIRECTORY, ENV_OBS_LOG_ENDPOINT, ENV_OBS_LOG_FILENAME,
-    ENV_OBS_LOG_KEEP_FILES, ENV_OBS_LOG_ROTATION_SIZE_MB, ENV_OBS_LOG_ROTATION_TIME, ENV_OBS_LOG_STDOUT_ENABLED,
-    ENV_OBS_LOGGER_LEVEL, ENV_OBS_METER_INTERVAL, ENV_OBS_METRIC_ENDPOINT, ENV_OBS_SAMPLE_RATIO, ENV_OBS_SERVICE_NAME,
-    ENV_OBS_SERVICE_VERSION, ENV_OBS_TRACE_ENDPOINT, ENV_OBS_USE_STDOUT,
+    DEFAULT_OBS_ENVIRONMENT_PRODUCTION, ENV_OBS_ENDPOINT, ENV_OBS_ENVIRONMENT, ENV_OBS_LOG_DIRECTORY, ENV_OBS_LOG_ENDPOINT,
+    ENV_OBS_LOG_FILENAME, ENV_OBS_LOG_KEEP_FILES, ENV_OBS_LOG_ROTATION_SIZE_MB, ENV_OBS_LOG_ROTATION_TIME,
+    ENV_OBS_LOG_STDOUT_ENABLED, ENV_OBS_LOGGER_LEVEL, ENV_OBS_METER_INTERVAL, ENV_OBS_METRIC_ENDPOINT, ENV_OBS_SAMPLE_RATIO,
+    ENV_OBS_SERVICE_NAME, ENV_OBS_SERVICE_VERSION, ENV_OBS_TRACE_ENDPOINT, ENV_OBS_USE_STDOUT,
 };
 use rustfs_config::{
     APP_NAME, DEFAULT_LOG_KEEP_FILES, DEFAULT_LOG_LEVEL, DEFAULT_LOG_ROTATION_SIZE_MB, DEFAULT_LOG_ROTATION_TIME,
@@ -209,3 +209,12 @@ impl Default for AppConfig {
         Self::new()
     }
 }
+
+/// Check if the current environment is production
+///
+/// # Returns
+/// true if production, false otherwise
+///
+pub fn is_production_environment() -> bool {
+    get_env_str(ENV_OBS_ENVIRONMENT, ENVIRONMENT).eq_ignore_ascii_case(DEFAULT_OBS_ENVIRONMENT_PRODUCTION)
+}

crates/obs/src/lib.rs

@@ -59,7 +59,7 @@ mod metrics;
 mod system;
 mod telemetry;
 
-pub use config::{AppConfig, OtelConfig};
+pub use config::*;
 pub use global::*;
 pub use metrics::*;
 pub use system::SystemObserver;

crates/obs/src/telemetry.rs

@@ -358,11 +358,14 @@ fn init_file_logging(config: &OtelConfig, logger_level: &str, is_production: boo
     // Build
     let mut builder = flexi_logger::Logger::try_with_env_or_str(logger_level)
         .unwrap_or_else(|e| {
-            eprintln!("WARNING: Invalid logger configuration '{logger_level}': {e:?}");
-            eprintln!("Falling back to default configuration with level: {DEFAULT_LOG_LEVEL}");
+            if !is_production {
+                eprintln!("WARNING: Invalid logger configuration '{logger_level}': {e:?}");
+                eprintln!("Falling back to default configuration with level: {DEFAULT_LOG_LEVEL}");
+            }
             flexi_logger::Logger::with(log_spec.clone())
         })
         .format_for_stderr(format_with_color)
+        .format_for_stdout(format_with_color)
         .format_for_files(format_for_file)
         .log_to_file(
             FileSpec::default()
@@ -371,7 +374,9 @@ fn init_file_logging(config: &OtelConfig, logger_level: &str, is_production: boo
                 .suppress_timestamp(),
         )
         .rotate(rotation_criterion, Naming::TimestampsDirect, Cleanup::KeepLogFiles(keep_files))
-        .write_mode(write_mode);
+        .write_mode(write_mode)
+        .append()
+        .use_utc();
 
     // Optional copy to stdout (for local observation)
     if config.log_stdout_enabled.unwrap_or(DEFAULT_OBS_LOG_STDOUT_ENABLED) {

rustfs/src/server/runtime.rs

@@ -145,15 +145,15 @@ pub(crate) fn get_tokio_runtime_builder() -> tokio::runtime::Builder {
                 )
             });
     }
-
-    println!(
-        "Starting Tokio runtime with configured parameters:\n\
+    if !rustfs_obs::is_production_environment() {
+        println!(
+            "Starting Tokio runtime with configured parameters:\n\
          worker_threads: {worker_threads}, max_blocking_threads: {max_blocking_threads}, \
          thread_stack_size: {thread_stack_size}, thread_keep_alive: {thread_keep_alive}, \
          global_queue_interval: {global_queue_interval}, event_interval: {event_interval}, \
          max_io_events_per_tick: {max_io_events_per_tick}, thread_name: {thread_name}"
-    );
-
+        );
+    }
     builder
 }
 

scripts/run.sh

@@ -66,8 +66,8 @@ export RUSTFS_CONSOLE_ADDRESS=":9001"
 #export RUSTFS_OBS_SERVICE_VERSION=0.1.0 # Service version
 export RUSTFS_OBS_ENVIRONMENT=develop # Environment name
 export RUSTFS_OBS_LOGGER_LEVEL=info # Log level, supports trace, debug, info, warn, error
-export RUSTFS_OBS_LOG_STDOUT_ENABLED=true # Whether to enable local stdout logging
-#export RUSTFS_OBS_LOG_DIRECTORY="$current_dir/deploy/logs" # Log directory
+export RUSTFS_OBS_LOG_STDOUT_ENABLED=false # Whether to enable local stdout logging
+export RUSTFS_OBS_LOG_DIRECTORY="$current_dir/deploy/logs" # Log directory
 export RUSTFS_OBS_LOG_ROTATION_TIME="hour" # Log rotation time unit, can be "second", "minute", "hour", "day"
 export RUSTFS_OBS_LOG_ROTATION_SIZE_MB=100 # Log rotation size in MB
 export RUSTFS_OBS_LOG_POOL_CAPA=10240