remove uses of ioutil

deploy/minikube/schema_check.go

@@ -19,7 +19,6 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 
@@ -40,7 +39,7 @@ func validateSchema(schemaPathString, docPathString string) {
 		log.Fatal(err)
 	}
 
-	data, err := ioutil.ReadFile(docPathString)
+	data, err := os.ReadFile(docPathString)
 	if err != nil {
 		log.Fatal(err)
 	}

test/integration/aaa_download_only_test.go

@@ -26,7 +26,6 @@ import (
 	"crypto/sha256"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -275,7 +274,7 @@ func TestBinaryMirror(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), Minutes(10))
 	defer Cleanup(t, profile, cancel)
 
-	tmpDir, err := ioutil.TempDir("", "kb_test")
+	tmpDir, err := os.MkdirTemp("", "kb_test")
 	if err != nil {
 		t.Fatal(err)
 	}

test/integration/functional_test.go

@@ -25,7 +25,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -1710,7 +1709,7 @@ func validateCpCmd(ctx context.Context, t *testing.T, profile string) {
 	testCpCmd(ctx, t, profile, "", srcPath, "", dstPath)
 
 	// copy from node
-	tmpDir, err := ioutil.TempDir("", "mk_test")
+	tmpDir, err := os.MkdirTemp("", "mk_test")
 	if err != nil {
 		t.Fatal(err)
 	}

test/integration/helpers_test.go

@@ -29,7 +29,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -522,7 +521,7 @@ func cpTestLocalPath() string {
 
 func cpTestReadText(ctx context.Context, t *testing.T, profile, node, path string) string {
 	if node == "" {
-		expected, err := ioutil.ReadFile(path)
+		expected, err := os.ReadFile(path)
 		if err != nil {
 			t.Errorf("failed to read test file 'testdata/cp-test.txt' : %v", err)
 		}

test/integration/multinode_test.go

@@ -22,7 +22,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"net"
 	"os"
 	"os/exec"
@@ -180,7 +179,7 @@ func validateCopyFileWithMultiNode(ctx context.Context, t *testing.T, profile st
 		t.Errorf("failed to decode json from status: args %q: %v", rr.Command(), err)
 	}
 
-	tmpDir, err := ioutil.TempDir("", "mk_cp_test")
+	tmpDir, err := os.MkdirTemp("", "mk_cp_test")
 	if err != nil {
 		t.Fatal(err)
 	}