remove deprecated ioutil package

core/cautils/getter/kscloudapi.go

@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"strings"
 	"time"
@@ -358,7 +358,7 @@ func (api *KSCloudAPI) Login() error {
 		return fmt.Errorf("error authenticating: %d", resp.StatusCode)
 	}
 
-	responseBody, err := ioutil.ReadAll(resp.Body)
+	responseBody, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return err
 	}

core/cautils/helmchart_test.go

@@ -3,7 +3,6 @@ package cautils
 import (
 	_ "embed"
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -39,7 +38,7 @@ func (s *HelmChartTestSuite) SetupSuite() {
 	}
 
 	var obj interface{}
-	file, _ := ioutil.ReadFile(filepath.Join("testdata", "helm_expected_default_values.json"))
+	file, _ := os.ReadFile(filepath.Join("testdata", "helm_expected_default_values.json"))
 	_ = json.Unmarshal([]byte(file), &obj)
 	s.expectedDefaultValues = obj.(map[string]interface{})
 }

core/cautils/scaninfo.go

@@ -3,7 +3,6 @@ package cautils
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -159,7 +158,7 @@ func (scanInfo *ScanInfo) setUseArtifactsFrom() {
 		scanInfo.UseArtifactsFrom = dir
 	}
 	// set frameworks files
-	files, err := ioutil.ReadDir(scanInfo.UseArtifactsFrom)
+	files, err := os.ReadDir(scanInfo.UseArtifactsFrom)
 	if err != nil {
 		logger.L().Fatal("failed to read files from directory", helpers.String("dir", scanInfo.UseArtifactsFrom), helpers.Error(err))
 	}

httphandler/handlerequests/v1/requestparser.go

@@ -3,7 +3,7 @@ package v1
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"sync"
 
@@ -124,7 +124,7 @@ func getScanParamsFromRequest(r *http.Request, scanID string) (*scanRequestParam
 		return scanRequestParams, fmt.Errorf("failed to parse query params, reason: %s", err.Error())
 	}
 
-	readBuffer, err := ioutil.ReadAll(r.Body)
+	readBuffer, err := io.ReadAll(r.Body)
 	if err != nil {
 		// handler.writeError(w, fmt.Errorf("failed to read request body, reason: %s", err.Error()), scanID)
 		return scanRequestParams, fmt.Errorf("failed to read request body, reason: %s", err.Error())