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| author | Alex Auvolat <alex@adnab.me> | 2022-09-08 15:50:56 +0200 |
|---|---|---|
| committer | Alex Auvolat <alex@adnab.me> | 2022-09-08 15:50:56 +0200 |
| commit | 7f54706b95beb033820924e77e18f21f241d223e (patch) | |
| tree | 26fc26ebb80e15a1ca64edd03efc9fac758274d0 /src/api/admin/api_server.rs | |
| parent | 907054775dc71a10a92ab96112889db9113130ab (diff) | |
| parent | d9d199a6c9c0ae2a6ee2b04103c78ef1eb311956 (diff) | |
| download | garage-7f54706b95beb033820924e77e18f21f241d223e.tar.gz garage-7f54706b95beb033820924e77e18f21f241d223e.zip | |
Merge branch 'lx-perf-improvements' into netapp-stream-body
Diffstat (limited to 'src/api/admin/api_server.rs')
| -rw-r--r-- | src/api/admin/api_server.rs | 74 |
1 files changed, 43 insertions, 31 deletions
diff --git a/src/api/admin/api_server.rs b/src/api/admin/api_server.rs index c3b16715..fb0078cc 100644 --- a/src/api/admin/api_server.rs +++ b/src/api/admin/api_server.rs @@ -1,15 +1,17 @@ +use std::net::SocketAddr; use std::sync::Arc; use async_trait::async_trait; use futures::future::Future; -use http::header::{ - ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN, ALLOW, CONTENT_TYPE, -}; +use http::header::{ACCESS_CONTROL_ALLOW_METHODS, ACCESS_CONTROL_ALLOW_ORIGIN, ALLOW}; use hyper::{Body, Request, Response}; -use opentelemetry::trace::{SpanRef, Tracer}; +use opentelemetry::trace::SpanRef; + +#[cfg(feature = "metrics")] use opentelemetry_prometheus::PrometheusExporter; +#[cfg(feature = "metrics")] use prometheus::{Encoder, TextEncoder}; use garage_model::garage::Garage; @@ -25,6 +27,7 @@ use crate::admin::router::{Authorization, Endpoint}; pub struct AdminApiServer { garage: Arc<Garage>, + #[cfg(feature = "metrics")] exporter: PrometheusExporter, metrics_token: Option<String>, admin_token: Option<String>, @@ -32,7 +35,6 @@ pub struct AdminApiServer { impl AdminApiServer { pub fn new(garage: Arc<Garage>) -> Self { - let exporter = opentelemetry_prometheus::exporter().init(); let cfg = &garage.config.admin; let metrics_token = cfg .metrics_token @@ -44,21 +46,22 @@ impl AdminApiServer { .map(|tok| format!("Bearer {}", tok)); Self { garage, - exporter, + #[cfg(feature = "metrics")] + exporter: opentelemetry_prometheus::exporter().init(), metrics_token, admin_token, } } - pub async fn run(self, shutdown_signal: impl Future<Output = ()>) -> Result<(), GarageError> { - if let Some(bind_addr) = self.garage.config.admin.api_bind_addr { - let region = self.garage.config.s3_api.s3_region.clone(); - ApiServer::new(region, self) - .run_server(bind_addr, shutdown_signal) - .await - } else { - Ok(()) - } + pub async fn run( + self, + bind_addr: SocketAddr, + shutdown_signal: impl Future<Output = ()>, + ) -> Result<(), GarageError> { + let region = self.garage.config.s3_api.s3_region.clone(); + ApiServer::new(region, self) + .run_server(bind_addr, shutdown_signal) + .await } fn handle_options(&self, _req: &Request<Body>) -> Result<Response<Body>, Error> { @@ -71,22 +74,31 @@ impl AdminApiServer { } fn handle_metrics(&self) -> Result<Response<Body>, Error> { - let mut buffer = vec![]; - let encoder = TextEncoder::new(); - - let tracer = opentelemetry::global::tracer("garage"); - let metric_families = tracer.in_span("admin/gather_metrics", |_| { - self.exporter.registry().gather() - }); - - encoder - .encode(&metric_families, &mut buffer) - .ok_or_internal_error("Could not serialize metrics")?; - - Ok(Response::builder() - .status(200) - .header(CONTENT_TYPE, encoder.format_type()) - .body(Body::from(buffer))?) + #[cfg(feature = "metrics")] + { + use opentelemetry::trace::Tracer; + + let mut buffer = vec![]; + let encoder = TextEncoder::new(); + + let tracer = opentelemetry::global::tracer("garage"); + let metric_families = tracer.in_span("admin/gather_metrics", |_| { + self.exporter.registry().gather() + }); + + encoder + .encode(&metric_families, &mut buffer) + .ok_or_internal_error("Could not serialize metrics")?; + + Ok(Response::builder() + .status(200) + .header(http::header::CONTENT_TYPE, encoder.format_type()) + .body(Body::from(buffer))?) + } + #[cfg(not(feature = "metrics"))] + Err(Error::bad_request( + "Garage was built without the metrics feature".to_string(), + )) } } |