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|
//! Implements a `log::Log` logger that adheres to the structure
//! expected by Yandex Cloud Serverless logs.
//!
//! https://cloud.yandex.ru/docs/serverless-containers/concepts/logs
use log::{Level, Log};
use serde_json::json;
pub struct YandexCloudLogger;
pub const YANDEX_CLOUD_LOGGER: YandexCloudLogger = YandexCloudLogger;
fn level_map(level: &Level) -> &'static str {
match level {
Level::Error => "ERROR",
Level::Warn => "WARN",
Level::Info => "INFO",
Level::Debug => "DEBUG",
Level::Trace => "TRACE",
}
}
impl Log for YandexCloudLogger {
fn enabled(&self, _: &log::Metadata<'_>) -> bool {
true
}
fn log(&self, record: &log::Record<'_>) {
if !self.enabled(record.metadata()) {
return;
}
eprintln!(
"{}",
json!({
"level": level_map(&record.level()),
"message": record.args().to_string(),
"target": record.target(),
"module": record.module_path(),
"file": record.file(),
"line": record.line(),
})
);
}
fn flush(&self) {}
}
|
