api: bump go to 1.20

Bump go version to 1.20.

Update ci to use go version 1.20 and newer.

Remove usage of the deprecated libraries.

Part of #378

.github/workflows/testing.yml

@@ -29,7 +29,8 @@ jobs:
       fail-fast: false
       matrix:
         golang:
-          - 1.13
+          - 1.20
+          - stable
         tarantool:
           - '1.10'
           - '2.8'
@@ -40,10 +41,10 @@ jobs:
         include:
           - tarantool: 'master'
             coveralls: true
-            golang: 1.13
+            golang: 1.20
           - tarantool: 'master'
             fuzzing: true
-            golang: 1.18
+            golang: 1.20
             coveralls: false
 
     steps:
@@ -132,7 +133,7 @@ jobs:
       fail-fast: false
       matrix:
         golang:
-          - 1.13
+          - 1.20
         runs-on:
           - macos-11
           - macos-12

future_test.go

@@ -5,7 +5,6 @@ import (
 	"context"
 	"errors"
 	"io"
-	"io/ioutil"
 	"sync"
 	"testing"
 	"time"
@@ -74,7 +73,7 @@ func (resp *futureMockResponse) DecodeTyped(res interface{}) error {
 }
 
 func createFutureMockResponse(header Header, body io.Reader) (Response, error) {
-	data, err := ioutil.ReadAll(body)
+	data, err := io.ReadAll(body)
 	if err != nil {
 		return nil, err
 	}

go.mod

@@ -1,6 +1,6 @@
 module github.com/tarantool/go-tarantool/v2
 
-go 1.11
+go 1.20
 
 require (
 	github.com/google/uuid v1.3.0
@@ -9,3 +9,10 @@ require (
 	github.com/tarantool/go-iproto v1.0.0
 	github.com/vmihailenco/msgpack/v5 v5.3.5
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+)

response.go

@@ -3,7 +3,6 @@ package tarantool
 import (
 	"fmt"
 	"io"
-	"io/ioutil"
 
 	"github.com/tarantool/go-iproto"
 	"github.com/vmihailenco/msgpack/v5"
@@ -39,7 +38,7 @@ func createBaseResponse(header Header, body io.Reader) (baseResponse, error) {
 	if buf, ok := body.(*smallBuf); ok {
 		return baseResponse{header: header, buf: *buf}, nil
 	}
-	data, err := ioutil.ReadAll(body)
+	data, err := io.ReadAll(body)
 	if err != nil {
 		return baseResponse{}, err
 	}

test_helpers/main.go

@@ -15,7 +15,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"os/exec"
@@ -188,7 +187,7 @@ func StartTarantool(startOpts StartOpts) (TarantoolInstance, error) {
 		// Create work_dir for a new instance.
 		// TO DO: replace with `os.MkdirTemp` when we drop support of
 		// Go 1.16 an older
-		dir, err = ioutil.TempDir("", "work_dir")
+		dir, err = os.MkdirTemp("", "work_dir")
 		if err != nil {
 			return inst, err
 		}
@@ -305,7 +304,7 @@ func copySslCerts(dst string, sslCertsDir string) (err error) {
 }
 
 func copyDirectoryFiles(scrDir, dest string) error {
-	entries, err := ioutil.ReadDir(scrDir)
+	entries, err := os.ReadDir(scrDir)
 	if err != nil {
 		return err
 	}
@@ -324,7 +323,12 @@ func copyDirectoryFiles(scrDir, dest string) error {
 			return err
 		}
 
-		if err := os.Chmod(destPath, entry.Mode()); err != nil {
+		info, err := entry.Info()
+		if err != nil {
+			return err
+		}
+
+		if err := os.Chmod(destPath, info.Mode()); err != nil {
 			return err
 		}
 	}

test_helpers/response.go

@@ -3,7 +3,6 @@ package test_helpers
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"testing"
 
 	"github.com/vmihailenco/msgpack/v5"
@@ -43,7 +42,7 @@ func CreateMockResponse(header tarantool.Header, body io.Reader) (*MockResponse,
 	if body == nil {
 		return &MockResponse{header: header, data: nil}, nil
 	}
-	data, err := ioutil.ReadAll(body)
+	data, err := io.ReadAll(body)
 	if err != nil {
 		return nil, err
 	}