4835: Log error from main using tracing r=irevoire a=dureuill

Engine follow-up to https://github.com/meilisearch/meilisearch-support/issues/252#issuecomment-2251288276 (private link)

> `@meilisearch/engine-team` we need to open a PR to tracing::error! when an error occurs in the Meilisearch main. It would be nice to have it included in the second RC

<img width="1349" alt="Error logged when launching Meilisearch to import dump on path where the dump doesn't exist" src="https://github.com/user-attachments/assets/e5d2ae6e-f810-4029-9787-3b6ea9d47cfd">

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<img width="1349" alt="Error logges when launching Meilisearch with a db path that is not writeable" src="https://github.com/user-attachments/assets/f672d78d-04b0-4d02-9402-259eaa6e2b62">



Co-authored-by: Louis Dureuil <louis@meilisearch.com>
This commit is contained in:
meili-bors[bot] 2024-07-30 13:43:50 +00:00 committed by GitHub
commit 143d6cde10
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@ -72,6 +72,19 @@ fn on_panic(info: &std::panic::PanicInfo) {
#[actix_web::main]
async fn main() -> anyhow::Result<()> {
try_main().await.inspect_err(|error| {
tracing::error!(%error);
let mut current = error.source();
let mut depth = 0;
while let Some(source) = current {
tracing::info!(%source, depth, "Error caused by");
current = source.source();
depth += 1;
}
})
}
async fn try_main() -> anyhow::Result<()> {
let (opt, config_read_from) = Opt::try_build()?;
std::panic::set_hook(Box::new(on_panic));