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fix store: handle invalid cache block dir #1505

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merged 2 commits into from
Sep 15, 2019
Merged

fix store: handle invalid cache block dir #1505

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c58038a
fix store: handle invalid cache block dir
FUSAKLA Sep 13, 2019
f55b5d0
CR: simplify empty store cache block validation logic
FUSAKLA Sep 14, 2019
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -11,6 +11,10 @@ We use *breaking* word for marking changes that are not backward compatible (rel

## Unreleased

### Fixed

-[1505](https://github.com/thanos-io/thanos/pull/1505) Thanos store now removes invalid local cache blocks.

## v0.7.0 - 2019.09.02

Accepted into CNCF:
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4 changes: 2 additions & 2 deletions pkg/store/bucket.go
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Expand Up @@ -1188,8 +1188,8 @@ func (b *bucketBlock) indexCacheFilename() string {
}

func loadMeta(ctx context.Context, logger log.Logger, bucket objstore.BucketReader, dir string, id ulid.ULID) (error, *metadata.Meta) {
// If we haven't seen the block before download the meta.json file.
if _, err := os.Stat(dir); os.IsNotExist(err) {
// If we haven't seen the block before or it is missing the meta.json, download it.
if _, err := os.Stat(path.Join(dir, block.MetaFilename)); os.IsNotExist(err) {
if err := os.MkdirAll(dir, 0777); err != nil {
return errors.Wrap(err, "create dir"), nil
}
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