40 lines
1.1 KiB
Rust
40 lines
1.1 KiB
Rust
use anyhow::Result;
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use std::env;
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use std::fs::create_dir_all;
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use std::str::FromStr;
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pub fn setup_logger() -> Result<()> {
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let log_file = env::var("LOG_FILE").or_else(|_| {
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create_dir_all("logs/")?;
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anyhow::Ok(format!(
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"logs/{}_{}.log",
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env!("CARGO_PKG_NAME"),
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chrono::Local::now().format("%Y%m%d_%H%M%S")
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))
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})?;
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let log_level = match env::var("LOG_LEVEL") {
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Ok(log_level) => log::LevelFilter::from_str(&log_level).unwrap_or(log::LevelFilter::Info),
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Err(_) => log::LevelFilter::Info,
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};
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fern::Dispatch::new()
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.format(|out, message, record| {
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out.finish(format_args!(
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"[{}][{}][{}] {}",
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chrono::Local::now().format("%Y-%m-%d %H:%M:%S"),
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record.target(),
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record.level(),
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message
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))
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})
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.chain(
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fern::Dispatch::new()
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.level(log_level)
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.chain(std::io::stdout()),
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)
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.chain(fern::log_file(log_file)?)
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.apply()?;
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Ok(())
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}
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