minhtrannhat
9336235b64
- log for test are configurable to either be spit into the void (cargo test default) or into `stdout`.
32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
use tracing::subscriber::set_global_default;
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use tracing::Subscriber;
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use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
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use tracing_log::LogTracer;
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use tracing_subscriber::{fmt::MakeWriter, layer::SubscriberExt, EnvFilter, Registry};
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pub fn get_subscriber<Sink>(
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name: String,
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env_filter: String,
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sink: Sink,
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) -> impl Subscriber + Send + Sync
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where
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Sink: for<'a> MakeWriter<'a> + Send + Sync + 'static,
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{
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let env_filter =
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EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new(env_filter));
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let formatting_layer = BunyanFormattingLayer::new(name, sink);
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Registry::default()
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.with(env_filter)
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.with(JsonStorageLayer)
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.with(formatting_layer)
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}
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// init_subscriber should only be called once
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//
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// This is solved with the once_cell crate
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// until the std::sync::SyncOnceCell is stable in the toolchain
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pub fn init_subscriber(subscriber: impl Subscriber + Send + Sync) {
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LogTracer::init().expect("Failed to set logger");
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set_global_default(subscriber).expect("Failed to set subscriber");
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}
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