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fix(tvix/store/fs): don't panic on PathInfoService error

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An error in the PathInfoService request can appear in case the
underlying request returns an error.

We shouldn't panic and bork the fuse mount, but instead return an IO
error.

Change-Id: I2daeae629e1627d06adcd7b82ddb76c50c602212
Reviewed-on: https://cl.tvl.fyi/c/depot/+/10154
Tested-by: BuildkiteCI
Reviewed-by: Connor Brewster <cbrewster@hey.com>
This commit is contained in:
Florian Klink 2023-11-27 20:52:24 +02:00 committed by flokli
parent 84a846a3a2
commit fce9c0e99e
1 changed files with 9 additions and 11 deletions
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20
tvix/store/src/fs/mod.rs
View file

@ -232,19 +232,17 @@ impl TvixStoreFs {
}
// We don't have it yet, look it up in [self.path_info_service].
match self
.tokio_handle
.block_on({
let path_info_service = self.path_info_service.clone();
let digest = *store_path.digest();
async move { path_info_service.get(digest).await }
})
.unwrap()
{
match self.tokio_handle.block_on({
let path_info_service = self.path_info_service.clone();
let digest = *store_path.digest();
async move { path_info_service.get(digest).await }
}) {
// if there was an error looking up the path_info, propagate up an IO error.
Err(_e) => Err(io::Error::from_raw_os_error(libc::EIO)),
// the pathinfo doesn't exist, so the file doesn't exist.
None => Err(io::Error::from_raw_os_error(libc::ENOENT)),
Ok(None) => Err(io::Error::from_raw_os_error(libc::ENOENT)),
// The pathinfo does exist
Some(path_info) => {
Ok(Some(path_info)) => {
// There must be a root node (ensured by the validation happening inside clients)
let root_node = path_info.node.unwrap().node.unwrap();