[#1316] lint: Fix warnings

Renamed parameters `min/max` to avoid conflicts with
predeclared identifiers.

Replaced background context with parent context without
cancellation in closer functions in frostfs-node.

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>
Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

.golangci.yml

@@ -12,7 +12,8 @@ run:
 # output configuration options
 output:
   # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
-  format: tab
+  formats:
+    - format: tab
 
 # all available settings of specific linters
 linters-settings:

cmd/frostfs-node/config.go

@@ -1070,7 +1070,7 @@ func initLocalStorage(ctx context.Context, c *cfg) {
 	c.onShutdown(func() {
 		c.log.Info(logs.FrostFSNodeClosingComponentsOfTheStorageEngine)
 
-		err := ls.Close(context.Background())
+		err := ls.Close(context.WithoutCancel(ctx))
 		if err != nil {
 			c.log.Info(logs.FrostFSNodeStorageEngineClosingFailure,
 				zap.String("error", err.Error()),

cmd/frostfs-node/tracing.go

@@ -21,7 +21,7 @@ func initTracing(ctx context.Context, c *cfg) {
 	c.closers = append(c.closers, closer{
 		name: "tracing",
 		fn: func() {
-			ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+			ctx, cancel := context.WithTimeout(context.WithoutCancel(ctx), time.Second*5)
 			defer cancel()
 			err := tracing.Shutdown(ctx) // cfg context cancels before close
 			if err != nil {

pkg/local_object_storage/blobstor/internal/blobstortest/common.go

@@ -27,21 +27,21 @@ type objectDesc struct {
 	storageID []byte
 }
 
-func TestAll(t *testing.T, cons Constructor, min, max uint64) {
+func TestAll(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	t.Run("get", func(t *testing.T) {
-		TestGet(t, cons, min, max)
+		TestGet(t, cons, minSize, maxSize)
 	})
 	t.Run("get range", func(t *testing.T) {
-		TestGetRange(t, cons, min, max)
+		TestGetRange(t, cons, minSize, maxSize)
 	})
 	t.Run("delete", func(t *testing.T) {
-		TestDelete(t, cons, min, max)
+		TestDelete(t, cons, minSize, maxSize)
 	})
 	t.Run("exists", func(t *testing.T) {
-		TestExists(t, cons, min, max)
+		TestExists(t, cons, minSize, maxSize)
 	})
 	t.Run("iterate", func(t *testing.T) {
-		TestIterate(t, cons, min, max)
+		TestIterate(t, cons, minSize, maxSize)
 	})
 }
 
@@ -51,12 +51,12 @@ func TestInfo(t *testing.T, cons Constructor, expectedType string, expectedPath
 	require.Equal(t, expectedPath, s.Path())
 }
 
-func prepare(t *testing.T, count int, s common.Storage, min, max uint64) []objectDesc {
+func prepare(t *testing.T, count int, s common.Storage, minSize, maxSize uint64) []objectDesc {
 	objects := make([]objectDesc, count)
 
 	r := mrand.New(mrand.NewSource(0))
 	for i := range objects {
-		objects[i].obj = NewObject(min + uint64(r.Intn(int(max-min+1)))) // not too large
+		objects[i].obj = NewObject(minSize + uint64(r.Intn(int(maxSize-minSize+1)))) // not too large
 		objects[i].addr = objectCore.AddressOf(objects[i].obj)
 
 		raw, err := objects[i].obj.Marshal()

pkg/local_object_storage/blobstor/internal/blobstortest/control.go

@@ -13,12 +13,12 @@ import (
 
 // TestControl checks correctness of a read-only mode.
 // cons must return a storage which is NOT opened.
-func TestControl(t *testing.T, cons Constructor, min, max uint64) {
+func TestControl(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 
-	objects := prepare(t, 10, s, min, max)
+	objects := prepare(t, 10, s, minSize, maxSize)
 	require.NoError(t, s.Close())
 
 	require.NoError(t, s.Open(mode.ComponentReadOnly))
@@ -34,7 +34,7 @@ func TestControl(t *testing.T, cons Constructor, min, max uint64) {
 
 	t.Run("put fails", func(t *testing.T) {
 		var prm common.PutPrm
-		prm.Object = NewObject(min + uint64(rand.Intn(int(max-min+1))))
+		prm.Object = NewObject(minSize + uint64(rand.Intn(int(maxSize-minSize+1))))
 		prm.Address = objectCore.AddressOf(prm.Object)
 
 		_, err := s.Put(context.Background(), prm)

pkg/local_object_storage/blobstor/internal/blobstortest/delete.go

@@ -11,13 +11,13 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestDelete(t *testing.T, cons Constructor, min, max uint64) {
+func TestDelete(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 	defer func() { require.NoError(t, s.Close()) }()
 
-	objects := prepare(t, 4, s, min, max)
+	objects := prepare(t, 4, s, minSize, maxSize)
 
 	t.Run("delete non-existent", func(t *testing.T) {
 		var prm common.DeletePrm

pkg/local_object_storage/blobstor/internal/blobstortest/exists.go

@@ -10,13 +10,13 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestExists(t *testing.T, cons Constructor, min, max uint64) {
+func TestExists(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 	defer func() { require.NoError(t, s.Close()) }()
 
-	objects := prepare(t, 1, s, min, max)
+	objects := prepare(t, 1, s, minSize, maxSize)
 
 	t.Run("missing object", func(t *testing.T) {
 		prm := common.ExistsPrm{Address: oidtest.Address()}

pkg/local_object_storage/blobstor/internal/blobstortest/get.go

@@ -11,13 +11,13 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestGet(t *testing.T, cons Constructor, min, max uint64) {
+func TestGet(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 	defer func() { require.NoError(t, s.Close()) }()
 
-	objects := prepare(t, 2, s, min, max)
+	objects := prepare(t, 2, s, minSize, maxSize)
 
 	t.Run("missing object", func(t *testing.T) {
 		gPrm := common.GetPrm{Address: oidtest.Address()}

pkg/local_object_storage/blobstor/internal/blobstortest/get_range.go

@@ -13,13 +13,13 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestGetRange(t *testing.T, cons Constructor, min, max uint64) {
+func TestGetRange(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 	defer func() { require.NoError(t, s.Close()) }()
 
-	objects := prepare(t, 1, s, min, max)
+	objects := prepare(t, 1, s, minSize, maxSize)
 
 	t.Run("missing object", func(t *testing.T) {
 		gPrm := common.GetRangePrm{Address: oidtest.Address()}

pkg/local_object_storage/blobstor/internal/blobstortest/iterate.go

@@ -10,13 +10,13 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestIterate(t *testing.T, cons Constructor, min, max uint64) {
+func TestIterate(t *testing.T, cons Constructor, minSize, maxSize uint64) {
 	s := cons(t)
 	require.NoError(t, s.Open(mode.ComponentReadWrite))
 	require.NoError(t, s.Init())
 	defer func() { require.NoError(t, s.Close()) }()
 
-	objects := prepare(t, 10, s, min, max)
+	objects := prepare(t, 10, s, minSize, maxSize)
 
 	// Delete random object to ensure it is not iterated over.
 	const delID = 2

pkg/morph/client/notary.go

@@ -641,8 +641,8 @@ func (c *Client) notaryTxValidationLimit() (uint32, error) {
 		return 0, fmt.Errorf("can't get current blockchain height: %w", err)
 	}
 
-	min := bc + c.notary.txValidTime
-	rounded := (min/c.notary.roundTime + 1) * c.notary.roundTime
+	minTime := bc + c.notary.txValidTime
+	rounded := (minTime/c.notary.roundTime + 1) * c.notary.roundTime
 
 	return rounded, nil
 }