diff options
Diffstat (limited to 'src/garage/main.rs')
| -rw-r--r-- | src/garage/main.rs | 56 |
1 files changed, 40 insertions, 16 deletions
diff --git a/src/garage/main.rs b/src/garage/main.rs index 5b2a85c0..edda734b 100644 --- a/src/garage/main.rs +++ b/src/garage/main.rs @@ -65,21 +65,6 @@ struct Opt { #[tokio::main] async fn main() { - if std::env::var("RUST_LOG").is_err() { - std::env::set_var("RUST_LOG", "netapp=info,garage=info") - } - tracing_subscriber::fmt() - .with_writer(std::io::stderr) - .with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env()) - .init(); - sodiumoxide::init().expect("Unable to init sodiumoxide"); - - // Abort on panic (same behavior as in Go) - std::panic::set_hook(Box::new(|panic_info| { - error!("{}", panic_info.to_string()); - std::process::abort(); - })); - // Initialize version and features info let features = &[ #[cfg(feature = "k2v")] @@ -108,12 +93,51 @@ async fn main() { } garage_util::version::init_features(features); - // Parse arguments let version = format!( "{} [features: {}]", garage_util::version::garage_version(), features.join(", ") ); + + // Initialize panic handler that aborts on panic and shows a nice message. + // By default, Tokio continues runing normally when a task panics. We want + // to avoid this behavior in Garage as this would risk putting the process in an + // unknown/uncontrollable state. We prefer to exit the process and restart it + // from scratch, so that it boots back into a fresh, known state. + let panic_version_info = version.clone(); + std::panic::set_hook(Box::new(move |panic_info| { + eprintln!("======== PANIC (internal Garage error) ========"); + eprintln!("{}", panic_info); + eprintln!(); + eprintln!("Panics are internal errors that Garage is unable to handle on its own."); + eprintln!("They can be caused by bugs in Garage's code, or by corrupted data in"); + eprintln!("the node's storage. If you feel that this error is likely to be a bug"); + eprintln!("in Garage, please report it on our issue tracker a the following address:"); + eprintln!(); + eprintln!(" https://git.deuxfleurs.fr/Deuxfleurs/garage/issues"); + eprintln!(); + eprintln!("Please include the last log messages and the the full backtrace below in"); + eprintln!("your bug report, as well as any relevant information on the context in"); + eprintln!("which Garage was running when this error occurred."); + eprintln!(); + eprintln!("GARAGE VERSION: {}", panic_version_info); + eprintln!(); + eprintln!("BACKTRACE:"); + eprintln!("{:?}", backtrace::Backtrace::new()); + std::process::abort(); + })); + + // Initialize logging as well as other libraries used in Garage + if std::env::var("RUST_LOG").is_err() { + std::env::set_var("RUST_LOG", "netapp=info,garage=info") + } + tracing_subscriber::fmt() + .with_writer(std::io::stderr) + .with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env()) + .init(); + sodiumoxide::init().expect("Unable to init sodiumoxide"); + + // Parse arguments and dispatch command line let opt = Opt::from_clap(&Opt::clap().version(version.as_str()).get_matches()); let res = match opt.cmd { |