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Rename PopulateBlockFunc to BlockPopulator 

Signed-off-by: Alex Le <leqiyue@amazon.com>
This commit is contained in:
Alex Le 2023-04-12 14:18:20 -07:00
parent 8ed90b567b
commit 01d0dda4fc
2 changed files with 12 additions and 12 deletions
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18
tsdb/compact.go
View File

@ -392,10 +392,10 @@ func CompactBlockMetas(uid ulid.ULID, blocks ...*BlockMeta) *BlockMeta {
// Compact creates a new block in the compactor's directory from the blocks in the
// provided directories.
func (c *LeveledCompactor) Compact(dest string, dirs []string, open []*Block) (uid ulid.ULID, err error) {
return c.CompactWithPopulateBlockFunc(dest, dirs, open, DefaultPopulateBlockFunc{})
return c.CompactWithBlockPopulator(dest, dirs, open, DefaultBlockPopulator{})
}
func (c *LeveledCompactor) CompactWithPopulateBlockFunc(dest string, dirs []string, open []*Block, populateBlockFunc PopulateBlockFunc) (uid ulid.ULID, err error) {
func (c *LeveledCompactor) CompactWithBlockPopulator(dest string, dirs []string, open []*Block, blockPopulator BlockPopulator) (uid ulid.ULID, err error) {
var (
blocks []BlockReader
bs []*Block
@ -439,7 +439,7 @@ func (c *LeveledCompactor) CompactWithPopulateBlockFunc(dest string, dirs []stri
uid = ulid.MustNew(ulid.Now(), rand.Reader)
meta := CompactBlockMetas(uid, metas...)
err = c.write(dest, meta, populateBlockFunc, blocks...)
err = c.write(dest, meta, blockPopulator, blocks...)
if err == nil {
if meta.Stats.NumSamples == 0 {
for _, b := range bs {
@ -505,7 +505,7 @@ func (c *LeveledCompactor) Write(dest string, b BlockReader, mint, maxt int64, p
}
}
err := c.write(dest, meta, DefaultPopulateBlockFunc{}, b)
err := c.write(dest, meta, DefaultBlockPopulator{}, b)
if err != nil {
return uid, err
}
@ -550,7 +550,7 @@ func (w *instrumentedChunkWriter) WriteChunks(chunks ...chunks.Meta) error {
}
// write creates a new block that is the union of the provided blocks into dir.
func (c *LeveledCompactor) write(dest string, meta *BlockMeta, populateBlockFunc PopulateBlockFunc, blocks ...BlockReader) (err error) {
func (c *LeveledCompactor) write(dest string, meta *BlockMeta, blockPopulator BlockPopulator, blocks ...BlockReader) (err error) {
dir := filepath.Join(dest, meta.ULID.String())
tmp := dir + tmpForCreationBlockDirSuffix
var closers []io.Closer
@ -598,7 +598,7 @@ func (c *LeveledCompactor) write(dest string, meta *BlockMeta, populateBlockFunc
}
closers = append(closers, indexw)
if err := populateBlockFunc.PopulateBlock(c.ctx, c.metrics, c.logger, c.chunkPool, c.mergeFunc, blocks, meta, indexw, chunkw); err != nil {
if err := blockPopulator.PopulateBlock(c.ctx, c.metrics, c.logger, c.chunkPool, c.mergeFunc, blocks, meta, indexw, chunkw); err != nil {
return errors.Wrap(err, "populate block")
}
@ -663,16 +663,16 @@ func (c *LeveledCompactor) write(dest string, meta *BlockMeta, populateBlockFunc
return nil
}
type PopulateBlockFunc interface {
type BlockPopulator interface {
PopulateBlock(ctx context.Context, metrics *CompactorMetrics, logger log.Logger, chunkPool chunkenc.Pool, mergeFunc storage.VerticalChunkSeriesMergeFunc, blocks []BlockReader, meta *BlockMeta, indexw IndexWriter, chunkw ChunkWriter) error
}
type DefaultPopulateBlockFunc struct{}
type DefaultBlockPopulator struct{}
// PopulateBlock fills the index and chunk writers with new data gathered as the union
// of the provided blocks. It returns meta information for the new block.
// It expects sorted blocks input by mint.
func (c DefaultPopulateBlockFunc) PopulateBlock(ctx context.Context, metrics *CompactorMetrics, logger log.Logger, chunkPool chunkenc.Pool, mergeFunc storage.VerticalChunkSeriesMergeFunc, blocks []BlockReader, meta *BlockMeta, indexw IndexWriter, chunkw ChunkWriter) (err error) {
func (c DefaultBlockPopulator) PopulateBlock(ctx context.Context, metrics *CompactorMetrics, logger log.Logger, chunkPool chunkenc.Pool, mergeFunc storage.VerticalChunkSeriesMergeFunc, blocks []BlockReader, meta *BlockMeta, indexw IndexWriter, chunkw ChunkWriter) (err error) {
if len(blocks) == 0 {
return errors.New("cannot populate block from no readers")
}

6
tsdb/compact_test.go
View File

@ -441,7 +441,7 @@ func TestCompactionFailWillCleanUpTempDir(t *testing.T) {
tmpdir := t.TempDir()
require.Error(t, compactor.write(tmpdir, &BlockMeta{}, DefaultPopulateBlockFunc{}, erringBReader{}))
require.Error(t, compactor.write(tmpdir, &BlockMeta{}, DefaultBlockPopulator{}, erringBReader{}))
_, err = os.Stat(filepath.Join(tmpdir, BlockMeta{}.ULID.String()) + tmpForCreationBlockDirSuffix)
require.True(t, os.IsNotExist(err), "directory is not cleaned up")
}
@ -953,8 +953,8 @@ func TestCompaction_populateBlock(t *testing.T) {
}
iw := &mockIndexWriter{}
populateBlockFunc := DefaultPopulateBlockFunc{}
err = populateBlockFunc.PopulateBlock(c.ctx, c.metrics, c.logger, c.chunkPool, c.mergeFunc, blocks, meta, iw, nopChunkWriter{})
blockPopulator := DefaultBlockPopulator{}
err = blockPopulator.PopulateBlock(c.ctx, c.metrics, c.logger, c.chunkPool, c.mergeFunc, blocks, meta, iw, nopChunkWriter{})
if tc.expErr != nil {
require.Error(t, err)
require.Equal(t, tc.expErr.Error(), err.Error())