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feat(metrics): add histogram and update opentelemetry dependencies (#32)

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This commit is contained in:
Nishant Joshi
2022-12-01 12:51:31 +05:30
committed by GitHub
parent 863e53c0d1
commit e65ba2a91a
12 changed files with 293 additions and 177 deletions
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47
crates/router_env/src/logger/setup.rs
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@ -3,20 +3,19 @@
//!
use std::{path::PathBuf, time::Duration};
use once_cell::sync::Lazy;
use opentelemetry::{
global,
global, runtime,
sdk::{
metrics::{selectors, PushController},
export::metrics::aggregation::cumulative_temporality_selector,
metrics::{controllers::BasicController, selectors::simple},
propagation::TraceContextPropagator,
trace, Resource,
},
util::tokio_interval_stream,
KeyValue,
};
use opentelemetry_otlp::WithExportConfig;
use tracing_appender::non_blocking::WorkerGuard;
// use tracing_subscriber::fmt::format::FmtSpan;
// use tracing_bunyan_formatter::JsonStorageLayer;
use tracing_subscriber::{
filter, fmt, layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Layer,
};
@ -51,7 +50,7 @@ where
#[derive(Debug)]
pub struct TelemetryGuard {
_log_guards: Vec<WorkerGuard>,
_metric_controller: Option<PushController>,
_metric_controller: Option<BasicController>,
}
///
@ -92,29 +91,13 @@ pub fn setup<Str: AsRef<str>>(
let file_filter = filter::Targets::new().with_default(conf.file.level.into_level());
let file_layer = FormattingLayer::new(service_name, file_writer).with_filter(file_filter);
// let fmt_layer = fmt::layer()
// .with_writer(file_writer)
// .with_target(true)
// .with_level(true)
// .with_span_events(FmtSpan::ACTIVE)
// .json();
// Some(fmt_layer)
//Some(FormattingLayer::new(service_name, file_writer))
Some(file_layer)
// Some(BunyanFormattingLayer::new("router".into(), file_writer))
} else {
None
};
let telemetry_layer = match telemetry {
Some(Ok(ref tracer)) => Some(tracing_opentelemetry::layer().with_tracer(tracer.clone())),
_ => None,
};
// Use 'RUST_LOG' environment variable will override the config settings
let subscriber = tracing_subscriber::registry()
.with(telemetry_layer)
.with(StorageSubscription)
.with(file_writer)
.with(
@ -166,15 +149,29 @@ pub fn setup<Str: AsRef<str>>(
})
}
fn setup_metrics() -> Option<PushController> {
static HISTOGRAM_BUCKETS: Lazy<[f64; 15]> = Lazy::new(|| {
let mut init = 0.01;
let mut buckets: [f64; 15] = [0.0; 15];
for bucket in &mut buckets {
init *= 2.0;
*bucket = init;
}
buckets
});
fn setup_metrics() -> Option<BasicController> {
opentelemetry_otlp::new_pipeline()
.metrics(tokio::spawn, tokio_interval_stream)
.metrics(
simple::histogram(*HISTOGRAM_BUCKETS),
cumulative_temporality_selector(),
runtime::TokioCurrentThread,
)
.with_exporter(
opentelemetry_otlp::new_exporter().tonic().with_env(), // can also config it using with_* functions like the tracing part above.
)
.with_period(Duration::from_secs(3))
.with_timeout(Duration::from_secs(10))
.with_aggregator_selector(selectors::simple::Selector::Exact)
.build()
.map_err(|err| eprintln!("Failed to Setup Metrics with {:?}", err))
.ok()