golang: Stop using io/ioutils

The package has been deprecated as part of 1.16 and the same
functionality is now provided by either the io or the os package.

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

src/tools/log-parser/hexbytes.go

@@ -9,7 +9,6 @@ package main
 import (
 	"errors"
 	"io"
-	"io/ioutil"
 	"os"
 	"strings"
 )
@@ -56,7 +55,7 @@ func (r *HexByteReader) Read(p []byte) (n int, err error) {
 		}
 
 		// read the entire file
-		bytes, err := ioutil.ReadAll(r.f)
+		bytes, err := io.ReadAll(r.f)
 		if err != nil {
 			return 0, err
 		}

src/tools/log-parser/hexbytes_test.go

@@ -7,7 +7,7 @@
 package main
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"path/filepath"
 	"testing"
@@ -36,7 +36,7 @@ func TestNewHexByteReaderStdin(t *testing.T) {
 func TestHexByteReaderRead(t *testing.T) {
 	assert := assert.New(t)
 
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -68,7 +68,7 @@ func TestHexByteReaderRead(t *testing.T) {
 		assert.NoError(err)
 
 		reader := NewHexByteReader(file)
-		bytes, err := ioutil.ReadAll(reader)
+		bytes, err := io.ReadAll(reader)
 
 		if d.expectError {
 			assert.Errorf(err, "test[%d]: %+v", i, d)

src/tools/log-parser/main_test.go

@@ -6,12 +6,12 @@
 
 package main
 
-import "io/ioutil"
+import "os"
 
 func createEmptyFile(path string) (err error) {
-	return ioutil.WriteFile(path, []byte(""), testFileMode)
+	return os.WriteFile(path, []byte(""), testFileMode)
 }
 
 func createFile(file, contents string) error {
-	return ioutil.WriteFile(file, []byte(contents), testFileMode)
+	return os.WriteFile(file, []byte(contents), testFileMode)
 }

src/tools/log-parser/parse_test.go

@@ -9,7 +9,6 @@ package main
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -52,7 +51,7 @@ func (r *TestReaderData) Read(p []byte) (n int, err error) {
 func TestParseLogFile(t *testing.T) {
 	assert := assert.New(t)
 
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -201,7 +200,7 @@ func TestParseLogFiles(t *testing.T) {
 		},
 	}
 
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}

src/tools/log-parser/utils_test.go

@@ -7,7 +7,6 @@
 package main
 
 import (
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -32,7 +31,7 @@ func TestUtilsResolvePathEmptyPath(t *testing.T) {
 func TestUtilsResolvePathValidPath(t *testing.T) {
 	assert := assert.New(t)
 
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -70,7 +69,7 @@ func TestUtilsResolvePathValidPath(t *testing.T) {
 func TestUtilsResolvePathENOENT(t *testing.T) {
 	assert := assert.New(t)
 
-	dir, err := ioutil.TempDir("", "")
+	dir, err := os.MkdirTemp("", "")
 	if err != nil {
 		t.Fatal(err)
 	}