Crate barbacane_telemetry 

Observability infrastructure for Barbacane API Gateway.

This crate provides:

• Structured JSON logging with trace correlation
• Prometheus metrics registry and exposition
• Distributed tracing with W3C Trace Context
• OTLP export to OpenTelemetry Collector

Usage

use barbacane_telemetry::{TelemetryConfig, Telemetry};

let config = TelemetryConfig::new()
    .with_log_level("info")
    .with_otlp_endpoint("http://localhost:4317");

let telemetry = Telemetry::init(config)?;

Re-exports

pub use config::LogFormat;

pub use config::OtlpProtocol;

pub use config::TelemetryConfig;

pub use logging::events;

pub use metrics::MetricsRegistry;

pub use prometheus::PROMETHEUS_CONTENT_TYPE;

pub use tracing::attributes;

pub use tracing::spans;

pub use tracing::TracingContext;

Modules

config

Telemetry configuration.

export

OTLP export for traces and metrics.

logging

Structured logging with JSON output and trace correlation.

metrics

Prometheus metrics registry.

prometheus

Prometheus text exposition format rendering.

tracing

Distributed tracing with W3C Trace Context.

Macros

log_artifact_loaded

log_dispatch_error

log_listening

log_middleware_short_circuit

log_plugin_initialized

log_request_completed

log_shutdown

log_startup

Helper macros for structured logging with standard fields.

log_validation_failure

log_wasm_trap

Structs

Telemetry

Main telemetry handle.

Enums

TelemetryError

Telemetry errors.