all: replace deprecated ioutil

Change-Id: I60b0bbf5b68b066e2d44b8b99438594d600a3c2d

cmd/storagenode-updater/binary.go

@@ -9,7 +9,6 @@ import (
 	"bytes"
 	"context"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/exec"
@@ -42,7 +41,7 @@ func binaryVersion(location string) (version.SemVer, error) {
 }
 
 func downloadBinary(ctx context.Context, url, target string) error {
-	f, err := ioutil.TempFile("", createPattern(url))
+	f, err := os.CreateTemp("", createPattern(url))
 	if err != nil {
 		return errs.New("cannot create temporary archive: %v", err)
 	}

private/testplanet/planet.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"errors"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"path/filepath"
@@ -158,7 +157,7 @@ func NewCustom(ctx *testcontext.Context, log *zap.Logger, config Config, satelli
 	}
 
 	var err error
-	planet.directory, err = ioutil.TempDir("", "planet")
+	planet.directory, err = os.MkdirTemp("", "planet")
 	if err != nil {
 		return nil, err
 	}

private/testredis/server.go

@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"net"
 	"os"
@@ -71,7 +70,7 @@ func Start(ctx context.Context) (Server, error) {
 
 // Process starts a redis-server test process.
 func Process(ctx context.Context) (Server, error) {
-	tmpdir, err := ioutil.TempDir("", "storj-redis")
+	tmpdir, err := os.MkdirTemp("", "storj-redis")
 	if err != nil {
 		return nil, err
 	}

satellite/console/consolewasm/access_test.go

@@ -7,7 +7,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/http/cookiejar"
 	"strings"
@@ -147,7 +146,7 @@ func (testClient *testClient) do(req *http.Request) (_ Response, body string) {
 	resp, err := testClient.client.Do(req)
 	require.NoError(testClient.t, err)
 
-	data, err := ioutil.ReadAll(resp.Body)
+	data, err := io.ReadAll(resp.Body)
 	require.NoError(testClient.t, err)
 	require.NoError(testClient.t, resp.Body.Close())
 	return Response{resp}, string(data)

scripts/test-network-stalls.go

@@ -16,7 +16,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"os/exec"
@@ -176,7 +175,7 @@ func runTest() error {
 		configDir: configDir,
 		logLevel:  "error",
 	}
-	tempDir, err := ioutil.TempDir("", "storj-test-network-stalls.")
+	tempDir, err := os.MkdirTemp("", "storj-test-network-stalls.")
 	if err != nil {
 		return err
 	}

storage/boltdb/client_test.go

@@ -6,7 +6,6 @@ package boltdb
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -18,7 +17,7 @@ import (
 )
 
 func TestSuite(t *testing.T) {
-	tempdir, err := ioutil.TempDir("", "storj-bolt")
+	tempdir, err := os.MkdirTemp("", "storj-bolt")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -40,7 +39,7 @@ func TestSuite(t *testing.T) {
 }
 
 func BenchmarkSuite(b *testing.B) {
-	tempdir, err := ioutil.TempDir("", "storj-bolt")
+	tempdir, err := os.MkdirTemp("", "storj-bolt")
 	if err != nil {
 		b.Fatal(err)
 	}
@@ -93,7 +92,7 @@ var _ testsuite.BulkImporter = &boltLongBenchmarkStore{}
 var _ testsuite.BulkCleaner = &boltLongBenchmarkStore{}
 
 func BenchmarkSuiteLong(b *testing.B) {
-	tempdir, err := ioutil.TempDir("", "storj-bolt")
+	tempdir, err := os.MkdirTemp("", "storj-bolt")
 	if err != nil {
 		b.Fatal(err)
 	}

storage/filestore/dir.go

@@ -9,7 +9,6 @@ import (
 	"encoding/base32"
 	"errors"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path/filepath"
@@ -138,7 +137,7 @@ func (dir *Dir) CreateTemporaryFile(ctx context.Context, prealloc int64) (_ *os.
 		prealloc = preallocLimit
 	}
 
-	file, err := ioutil.TempFile(dir.tempdir(), "blob-*.partial")
+	file, err := os.CreateTemp(dir.tempdir(), "blob-*.partial")
 	if err != nil {
 		return nil, err
 	}

storage/filestore/store.go

@@ -8,7 +8,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"time"
@@ -261,7 +260,7 @@ func (store *blobStore) FreeSpace(ctx context.Context) (int64, error) {
 
 // CheckWritability tests writability of the storage directory by creating and deleting a file.
 func (store *blobStore) CheckWritability(ctx context.Context) error {
-	f, err := ioutil.TempFile(store.dir.Path(), "write-test")
+	f, err := os.CreateTemp(store.dir.Path(), "write-test")
 	if err != nil {
 		return err
 	}

storagenode/storagenodedb/schemagen/main.go

@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"go/format"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -56,7 +55,7 @@ func printWithLines(w io.Writer, data []byte) {
 }
 
 func runSchemaGen(ctx context.Context, log *zap.Logger) (_ []byte, err error) {
-	storagePath, err := ioutil.TempDir("", "testdb")
+	storagePath, err := os.MkdirTemp("", "testdb")
 	if err != nil {
 		return nil, errs.New("Error getting test storage path: %+w", err)
 	}

testsuite/ui/uitest/edge.go

@@ -13,7 +13,6 @@ import (
 	"encoding/binary"
 	"encoding/pem"
 	"fmt"
-	"io/ioutil"
 	"math/big"
 	"net"
 	"os"
@@ -146,12 +145,12 @@ func Edge(t *testing.T, test EdgeTest) {
 func createSelfSignedCertificateFile(t *testing.T, hostname string) (certFile *os.File, keyFile *os.File, certificatePEM []byte, privateKeyPEM []byte) {
 	certificatePEM, privateKeyPEM = createSelfSignedCertificate(t, hostname)
 
-	certFile, err := ioutil.TempFile(os.TempDir(), "*-cert.pem")
+	certFile, err := os.CreateTemp(os.TempDir(), "*-cert.pem")
 	require.NoError(t, err)
 	_, err = certFile.Write(certificatePEM)
 	require.NoError(t, err)
 
-	keyFile, err = ioutil.TempFile(os.TempDir(), "*-key.pem")
+	keyFile, err = os.CreateTemp(os.TempDir(), "*-key.pem")
 	require.NoError(t, err)
 	_, err = keyFile.Write(privateKeyPEM)
 	require.NoError(t, err)