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remote: Fetch into temp files

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This commit is contained in:
Łukasz Magiera 2020-07-24 16:54:00 +02:00
parent ff9ffddd57
commit 94e20ffee5
1 changed files with 8 additions and 2 deletions
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10
stores/remote.go
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@ -150,12 +150,18 @@ func (r *Remote) acquireFromRemote(ctx context.Context, s abi.SectorID, spt abi.
// TODO: see what we have local, prefer that
for _, url := range info.URLs {
err := r.fetch(ctx, url, dest)
tempDest := dest + ".fetch"
err := r.fetch(ctx, url, tempDest)
if err != nil {
merr = multierror.Append(merr, xerrors.Errorf("fetch error %s (storage %s) -> %s: %w", url, info.ID, dest, err))
merr = multierror.Append(merr, xerrors.Errorf("fetch error %s (storage %s) -> %s: %w", url, info.ID, tempDest, err))
continue
}
if err := move(tempDest, dest); err != nil {
return "", "", "", xerrors.Errorf("fetch move error (storage %s) %s -> %s: %w", info.ID, tempDest, dest, err)
}
if merr != nil {
log.Warnw("acquireFromRemote encountered errors when fetching sector from remote", "errors", merr)
}