962bf0312d
OTLP tracing: - libs/observability/otlp.rs: SdkTracerProvider via HTTP/proto OTLP exporter - libs/observability/tracing_middleware.rs: Actix-web span with trace_id propagation - libs/observability/tracing_fmt.rs: JSON fmt + registry.try_init for layered init - libs/rpc: gRPC method spans via info_span - libs/agent, libs/room, libs/service, libs/api: structured tracing throughout Prometheus metrics: - libs/observability/prometheus_exporter.rs: /metrics HTTP handler + metrics crate - libs/observability/metrics_middleware.rs: HttpMetrics middleware + AtomicU64 - libs/observability/redis_metrics.rs: Redis counter poller via RedisMetrics - libs/room/metrics.rs: RoomMetrics (connections, messages, presence counters) Config env vars: APP_OTEL_ENABLED, APP_OTEL_ENDPOINT, APP_OTEL_SERVICE_NAME
28 lines
959 B
Rust
28 lines
959 B
Rust
//! Observability primitives: tracing subscriber, metrics, OTLP export.
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//!
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//! Call `observability::init_tracing_subscriber(level)` once at startup.
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//! All services then use `tracing::info!`, `tracing::warn!`, etc. directly.
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pub mod tracing_fmt;
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pub mod tracing_init;
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pub mod metrics_middleware;
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pub mod prometheus_exporter;
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pub mod otlp;
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pub mod tracing_middleware;
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pub mod redis_metrics;
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pub use tracing_fmt::{init_tracing_subscriber, instance_id};
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pub use metrics_middleware::{MetricsMiddleware, HttpMetrics};
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pub use prometheus_exporter::{
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install_recorder, prometheus_handler, spawn_http_metrics_poller,
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HttpMetricsSnapshot, HttpSnapshotGuard, render_to_hashmap,
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};
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pub use otlp::{init_otlp, OtelGuard};
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pub use tracing_middleware::TracingSpanMiddleware;
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pub use redis_metrics::{
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MetricsSnapshot,
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spawn_redis_metrics_flusher,
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query_instance_metrics, query_all_instance_metrics, export_all_metrics_csv,
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FlatInstanceMetrics,
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};
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