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| // Copyright (C) 2023 Quickwit, Inc. | ||
| // | ||
| // Quickwit is offered under the AGPL v3.0 and as commercial software. | ||
| // For commercial licensing, contact us at [email protected]. | ||
| // | ||
| // AGPL: | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Affero General Public License as | ||
| // published by the Free Software Foundation, either version 3 of the | ||
| // License, or (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Affero General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Affero General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| use std::env; | ||
|
|
||
| use crate::QW_ENABLE_OPENTELEMETRY_OTLP_EXPORTER_ENV_KEY; | ||
| use anyhow::Context; | ||
| use opentelemetry::sdk::propagation::TraceContextPropagator; | ||
| use opentelemetry::sdk::trace::BatchConfig; | ||
| use opentelemetry::sdk::{trace, Resource}; | ||
| use opentelemetry::{global, KeyValue}; | ||
| use opentelemetry_otlp::WithExportConfig; | ||
| use quickwit_serve::BuildInfo; | ||
| use tracing::Level; | ||
| use tracing_subscriber::fmt::time::UtcTime; | ||
| use tracing_subscriber::prelude::*; | ||
| use tracing_subscriber::EnvFilter; | ||
|
|
||
| pub fn setup_logging_and_tracing( | ||
| level: Level, | ||
| ansi: bool, | ||
| build_info: &BuildInfo, | ||
| ) -> anyhow::Result<()> { | ||
| #[cfg(feature = "tokio-console")] | ||
| { | ||
| if std::env::var_os(quickwit_cli::QW_ENABLE_TOKIO_CONSOLE_ENV_KEY).is_some() { | ||
| console_subscriber::init(); | ||
| return Ok(()); | ||
| } | ||
| } | ||
| let env_filter = env::var("RUST_LOG") | ||
| .map(|_| EnvFilter::from_default_env()) | ||
| .or_else(|_| EnvFilter::try_new(format!("quickwit={level}"))) | ||
| .context("Failed to set up tracing env filter.")?; | ||
| global::set_text_map_propagator(TraceContextPropagator::new()); | ||
| let registry = tracing_subscriber::registry().with(env_filter); | ||
| let event_format = tracing_subscriber::fmt::format() | ||
| .with_target(true) | ||
| .with_timer( | ||
| // We do not rely on the Rfc3339 implementation, because it has a nanosecond precision. | ||
| // See discussion here: https://github.com/time-rs/time/discussions/418 | ||
| UtcTime::new( | ||
| time::format_description::parse( | ||
| "[year]-[month]-[day]T[hour]:[minute]:[second].[subsecond digits:3]Z", | ||
| ) | ||
| .expect("Time format invalid."), | ||
| ), | ||
| ); | ||
| // Note on disabling ANSI characters: setting the ansi boolean on event format is insufficient. | ||
| // It is thus set on layers, see https://github.com/tokio-rs/tracing/issues/1817 | ||
| if std::env::var_os(QW_ENABLE_OPENTELEMETRY_OTLP_EXPORTER_ENV_KEY).is_some() { | ||
| let otlp_exporter = opentelemetry_otlp::new_exporter().tonic().with_env(); | ||
| // In debug mode, Quickwit can generate a lot of spans, and the default queue size of 2048 | ||
| // is too small. | ||
| let batch_config = BatchConfig::default().with_max_queue_size(32768); | ||
| let trace_config = trace::config().with_resource(Resource::new([ | ||
| KeyValue::new("service.name", "quickwit"), | ||
| KeyValue::new("service.version", build_info.version.clone()), | ||
| ])); | ||
| let tracer = opentelemetry_otlp::new_pipeline() | ||
| .tracing() | ||
| .with_exporter(otlp_exporter) | ||
| .with_trace_config(trace_config) | ||
| .with_batch_config(batch_config) | ||
| .install_batch(opentelemetry::runtime::Tokio) | ||
| .context("Failed to initialize OpenTelemetry OTLP exporter.")?; | ||
| registry | ||
| .with(tracing_opentelemetry::layer().with_tracer(tracer)) | ||
| .with( | ||
| tracing_subscriber::fmt::layer() | ||
| .event_format(event_format) | ||
| .with_ansi(ansi), | ||
| ) | ||
| .try_init() | ||
| .context("Failed to set up tracing.")?; | ||
| } else { | ||
| registry | ||
| .with( | ||
| tracing_subscriber::fmt::layer() | ||
| .event_format(event_format) | ||
| .with_ansi(ansi), | ||
| ) | ||
| .try_init() | ||
| .context("Failed to set up tracing.")?; | ||
| } | ||
| Ok(()) | ||
| } |
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