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houseme
90 lines
2.6 KiB
Rust
90 lines
2.6 KiB
Rust
use crate::telemetry::OtelGuard;
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use std::sync::{Arc, Mutex};
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use tokio::sync::{OnceCell, SetError};
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use tracing::{error, info};
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pub(crate) const USE_STDOUT: bool = true;
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pub(crate) const SERVICE_NAME: &str = "RustFS";
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pub(crate) const SAMPLE_RATIO: f64 = 1.0;
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pub(crate) const METER_INTERVAL: u64 = 60;
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pub(crate) const SERVICE_VERSION: &str = "0.1.0";
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pub(crate) const ENVIRONMENT: &str = "production";
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pub(crate) const LOGGER_LEVEL: &str = "info";
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/// Global guard for OpenTelemetry tracing
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static GLOBAL_GUARD: OnceCell<Arc<Mutex<OtelGuard>>> = OnceCell::const_new();
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/// Error type for global guard operations
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#[derive(Debug, thiserror::Error)]
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pub enum GuardError {
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#[error("Failed to set global guard: {0}")]
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SetError(#[from] SetError<Arc<Mutex<OtelGuard>>>),
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#[error("Global guard not initialized")]
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NotInitialized,
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}
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/// Set the global guard for OpenTelemetry
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///
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/// # Arguments
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/// * `guard` - The OtelGuard instance to set globally
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///
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/// # Returns
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/// * `Ok(())` if successful
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/// * `Err(GuardError)` if setting fails
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///
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/// # Example
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/// ```rust
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/// use rustfs_obs::{init_telemetry, load_config, set_global_guard};
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///
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/// async fn init() -> Result<(), Box<dyn std::error::Error>> {
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/// let config = load_config(None);
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/// let guard = init_telemetry(&config.observability).await?;
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/// set_global_guard(guard)?;
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/// Ok(())
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/// }
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/// ```
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pub fn set_global_guard(guard: OtelGuard) -> Result<(), GuardError> {
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info!("Initializing global OpenTelemetry guard");
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GLOBAL_GUARD.set(Arc::new(Mutex::new(guard))).map_err(GuardError::SetError)
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}
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/// Get the global guard for OpenTelemetry
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///
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/// # Returns
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/// * `Ok(Arc<Mutex<OtelGuard>>)` if guard exists
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/// * `Err(GuardError)` if guard not initialized
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///
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/// # Example
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/// ```rust
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/// use rustfs_obs::get_global_guard;
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///
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/// async fn trace_operation() -> Result<(), Box<dyn std::error::Error>> {
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/// let guard = get_global_guard()?;
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/// let _lock = guard.lock().unwrap();
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/// // Perform traced operation
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/// Ok(())
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/// }
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/// ```
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pub fn get_global_guard() -> Result<Arc<Mutex<OtelGuard>>, GuardError> {
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GLOBAL_GUARD.get().cloned().ok_or(GuardError::NotInitialized)
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}
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/// Try to get the global guard for OpenTelemetry
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///
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/// # Returns
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/// * `Some(Arc<Mutex<OtelGuard>>)` if guard exists
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/// * `None` if guard not initialized
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pub fn try_get_global_guard() -> Option<Arc<Mutex<OtelGuard>>> {
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GLOBAL_GUARD.get().cloned()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[tokio::test]
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async fn test_get_uninitialized_guard() {
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let result = get_global_guard();
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assert!(matches!(result, Err(GuardError::NotInitialized)));
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}
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}
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