[#1085] shard: rename Evacuate to Dump

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

pkg/local_object_storage/shard/dump.go

@@ -12,49 +12,49 @@ import (
 
 var dumpMagic = []byte("NEOF")
 
-// EvacuatePrm groups the parameters of Evacuate operation.
-type EvacuatePrm struct {
+// DumpPrm groups the parameters of Dump operation.
+type DumpPrm struct {
 	path         string
 	stream       io.Writer
 	ignoreErrors bool
 }
 
-// WithPath is an Evacuate option to set the destination path.
-func (p *EvacuatePrm) WithPath(path string) *EvacuatePrm {
+// WithPath is an Dump option to set the destination path.
+func (p *DumpPrm) WithPath(path string) *DumpPrm {
 	p.path = path
 	return p
 }
 
-// WithStream is an Evacuate option to set the destination stream.
+// WithStream is an Dump option to set the destination stream.
 // It takes priority over `path` option.
-func (p *EvacuatePrm) WithStream(r io.Writer) *EvacuatePrm {
+func (p *DumpPrm) WithStream(r io.Writer) *DumpPrm {
 	p.stream = r
 	return p
 }
 
-// WithIgnoreErrors is an Evacuate option to allow ignore all errors during iteration.
+// WithIgnoreErrors is an Dump option to allow ignore all errors during iteration.
 // This includes invalid blobovniczas as well as corrupted objects.
-func (p *EvacuatePrm) WithIgnoreErrors(ignore bool) *EvacuatePrm {
+func (p *DumpPrm) WithIgnoreErrors(ignore bool) *DumpPrm {
 	p.ignoreErrors = ignore
 	return p
 }
 
-// EvacuateRes groups the result fields of Evacuate operation.
-type EvacuateRes struct {
+// DumpRes groups the result fields of Dump operation.
+type DumpRes struct {
 	count int
 }
 
 // Count return amount of object written.
-func (r *EvacuateRes) Count() int {
+func (r *DumpRes) Count() int {
 	return r.count
 }
 
 var ErrMustBeReadOnly = errors.New("shard must be in read-only mode")
 
-// Evacuate dumps all objects from the shard to a file or stream.
+// Dump dumps all objects from the shard to a file or stream.
 //
 // Returns any error encountered.
-func (s *Shard) Evacuate(prm *EvacuatePrm) (*EvacuateRes, error) {
+func (s *Shard) Dump(prm *DumpPrm) (*DumpRes, error) {
 	s.m.RLock()
 	defer s.m.RUnlock()
 
@@ -126,5 +126,5 @@ func (s *Shard) Evacuate(prm *EvacuatePrm) (*EvacuateRes, error) {
 		return nil, err
 	}
 
-	return &EvacuateRes{count: count}, nil
+	return &DumpRes{count: count}, nil
 }

pkg/local_object_storage/shard/dump_test.go

@@ -23,17 +23,17 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestEvacuate(t *testing.T) {
+func TestDump(t *testing.T) {
 	t.Run("without write-cache", func(t *testing.T) {
-		testEvacuate(t, 10, false)
+		testDump(t, 10, false)
 	})
 	t.Run("with write-cache", func(t *testing.T) {
 		// Put a bit more objects to write-cache to facilitate race-conditions.
-		testEvacuate(t, 100, true)
+		testDump(t, 100, true)
 	})
 }
 
-func testEvacuate(t *testing.T, objCount int, hasWriteCache bool) {
+func testDump(t *testing.T, objCount int, hasWriteCache bool) {
 	const (
 		wcSmallObjectSize = 1024          // 1 KiB, goes to write-cache memory
 		wcBigObjectSize   = 4 * 1024      // 4 KiB, goes to write-cache FSTree
@@ -55,16 +55,16 @@ func testEvacuate(t *testing.T, objCount int, hasWriteCache bool) {
 	defer releaseShard(sh, t)
 
 	out := filepath.Join(t.TempDir(), "dump")
-	prm := new(shard.EvacuatePrm).WithPath(out)
+	prm := new(shard.DumpPrm).WithPath(out)
 
 	t.Run("must be read-only", func(t *testing.T) {
-		_, err := sh.Evacuate(prm)
+		_, err := sh.Dump(prm)
 		require.True(t, errors.Is(err, shard.ErrMustBeReadOnly), "got: %v", err)
 	})
 
 	require.NoError(t, sh.SetMode(shard.ModeReadOnly))
 	outEmpty := out + ".empty"
-	res, err := sh.Evacuate(new(shard.EvacuatePrm).WithPath(outEmpty))
+	res, err := sh.Dump(new(shard.DumpPrm).WithPath(outEmpty))
 	require.NoError(t, err)
 	require.Equal(t, 0, res.Count())
 	require.NoError(t, sh.SetMode(shard.ModeReadWrite))
@@ -99,11 +99,11 @@ func testEvacuate(t *testing.T, objCount int, hasWriteCache bool) {
 	require.NoError(t, sh.SetMode(shard.ModeReadOnly))
 
 	t.Run("invalid path", func(t *testing.T) {
-		_, err := sh.Evacuate(new(shard.EvacuatePrm).WithPath("\x00"))
+		_, err := sh.Dump(new(shard.DumpPrm).WithPath("\x00"))
 		require.Error(t, err)
 	})
 
-	res, err = sh.Evacuate(prm)
+	res, err = sh.Dump(prm)
 	require.NoError(t, err)
 	require.Equal(t, objCount, res.Count())
 
@@ -209,7 +209,7 @@ func TestStream(t *testing.T) {
 	finish := make(chan struct{})
 
 	go func() {
-		res, err := sh1.Evacuate(new(shard.EvacuatePrm).WithStream(w))
+		res, err := sh1.Dump(new(shard.DumpPrm).WithStream(w))
 		require.NoError(t, err)
 		require.Equal(t, objCount, res.Count())
 		require.NoError(t, w.Close())
@@ -239,7 +239,7 @@ func checkRestore(t *testing.T, sh *shard.Shard, prm *shard.RestorePrm, objects
 	}
 }
 
-func TestEvacuateIgnoreErrors(t *testing.T) {
+func TestDumpIgnoreErrors(t *testing.T) {
 	const (
 		wcSmallObjectSize = 512                    // goes to write-cache memory
 		wcBigObjectSize   = wcSmallObjectSize << 1 // goes to write-cache FSTree
@@ -346,7 +346,7 @@ func TestEvacuateIgnoreErrors(t *testing.T) {
 	}
 
 	out := filepath.Join(t.TempDir(), "out.dump")
-	res, err := sh.Evacuate(new(shard.EvacuatePrm).WithPath(out).WithIgnoreErrors(true))
+	res, err := sh.Dump(new(shard.DumpPrm).WithPath(out).WithIgnoreErrors(true))
 	require.NoError(t, err)
 	require.Equal(t, objCount, res.Count())
 }

pkg/local_object_storage/shard/restore.go

@@ -56,7 +56,7 @@ func (r *RestoreRes) FailCount() int {
 	return r.failed
 }
 
-// Restore restores objects from the dump prepared by Evacuate.
+// Restore restores objects from the dump prepared by Dump.
 //
 // Returns any error encountered.
 func (s *Shard) Restore(prm *RestorePrm) (*RestoreRes, error) {