chore(internal): fix modernize linter

#### Description

fix modernize linter in internal/chart/v3/lint/rules

Signed-off-by: Matthieu MOREL <matthieu.morel35@gmail.com>

internal/chart/v3/lint/rules/chartfile.go

@@ -69,15 +69,15 @@ func Chartfile(linter *support.Linter) {
 	linter.RunLinterRule(support.ErrorSev, chartFileName, validateChartDependencies(chartFile))
 }
 
-func validateChartVersionType(data map[string]interface{}) error {
+func validateChartVersionType(data map[string]any) error {
 	return isStringValue(data, "version")
 }
 
-func validateChartAppVersionType(data map[string]interface{}) error {
+func validateChartAppVersionType(data map[string]any) error {
 	return isStringValue(data, "appVersion")
 }
 
-func isStringValue(data map[string]interface{}, key string) error {
+func isStringValue(data map[string]any, key string) error {
 	value, ok := data[key]
 	if !ok {
 		return nil
@@ -214,12 +214,12 @@ func validateChartType(cf *chart.Metadata) error {
 // loadChartFileForTypeCheck loads the Chart.yaml
 // in a generic form of a map[string]interface{}, so that the type
 // of the values can be checked
-func loadChartFileForTypeCheck(filename string) (map[string]interface{}, error) {
+func loadChartFileForTypeCheck(filename string) (map[string]any, error) {
 	b, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
-	y := make(map[string]interface{})
+	y := make(map[string]any)
 	err = yaml.Unmarshal(b, &y)
 	return y, err
 }

internal/chart/v3/lint/rules/template.go

@@ -42,17 +42,17 @@ import (
 )
 
 // Templates lints the templates in the Linter.
-func Templates(linter *support.Linter, values map[string]interface{}, namespace string, _ bool) {
+func Templates(linter *support.Linter, values map[string]any, namespace string, _ bool) {
 	TemplatesWithKubeVersion(linter, values, namespace, nil)
 }
 
 // TemplatesWithKubeVersion lints the templates in the Linter, allowing to specify the kubernetes version.
-func TemplatesWithKubeVersion(linter *support.Linter, values map[string]interface{}, namespace string, kubeVersion *common.KubeVersion) {
+func TemplatesWithKubeVersion(linter *support.Linter, values map[string]any, namespace string, kubeVersion *common.KubeVersion) {
 	TemplatesWithSkipSchemaValidation(linter, values, namespace, kubeVersion, false)
 }
 
 // TemplatesWithSkipSchemaValidation lints the templates in the Linter, allowing to specify the kubernetes version and if schema validation is enabled or not.
-func TemplatesWithSkipSchemaValidation(linter *support.Linter, values map[string]interface{}, namespace string, kubeVersion *common.KubeVersion, skipSchemaValidation bool) {
+func TemplatesWithSkipSchemaValidation(linter *support.Linter, values map[string]any, namespace string, kubeVersion *common.KubeVersion, skipSchemaValidation bool) {
 	fpath := "templates/"
 	templatesPath := filepath.Join(linter.ChartDir, fpath)
 

internal/chart/v3/lint/rules/values.go

@@ -32,7 +32,7 @@ import (
 // they are only tested for well-formedness.
 //
 // If additional values are supplied, they are coalesced into the values in values.yaml.
-func ValuesWithOverrides(linter *support.Linter, valueOverrides map[string]interface{}, skipSchemaValidation bool) {
+func ValuesWithOverrides(linter *support.Linter, valueOverrides map[string]any, skipSchemaValidation bool) {
 	file := "values.yaml"
 	vf := filepath.Join(linter.ChartDir, file)
 	fileExists := linter.RunLinterRule(support.InfoSev, file, validateValuesFileExistence(vf))
@@ -52,7 +52,7 @@ func validateValuesFileExistence(valuesPath string) error {
 	return nil
 }
 
-func validateValuesFile(valuesPath string, overrides map[string]interface{}, skipSchemaValidation bool) error {
+func validateValuesFile(valuesPath string, overrides map[string]any, skipSchemaValidation bool) error {
 	values, err := common.ReadValuesFile(valuesPath)
 	if err != nil {
 		return fmt.Errorf("unable to parse YAML: %w", err)
@@ -63,7 +63,7 @@ func validateValuesFile(valuesPath string, overrides map[string]interface{}, ski
 	// We could change that. For now, though, we retain that strategy, and thus can
 	// coalesce tables (like reuse-values does) instead of doing the full chart
 	// CoalesceValues
-	coalescedValues := util.CoalesceTables(make(map[string]interface{}, len(overrides)), overrides)
+	coalescedValues := util.CoalesceTables(make(map[string]any, len(overrides)), overrides)
 	coalescedValues = util.CoalesceTables(coalescedValues, values)
 
 	ext := filepath.Ext(valuesPath)

internal/chart/v3/lint/rules/values_test.go

@@ -67,7 +67,7 @@ func TestValidateValuesFileWellFormed(t *testing.T) {
 	`
 	tmpdir := ensure.TempFile(t, "values.yaml", []byte(badYaml))
 	valfile := filepath.Join(tmpdir, "values.yaml")
-	if err := validateValuesFile(valfile, map[string]interface{}{}, false); err == nil {
+	if err := validateValuesFile(valfile, map[string]any{}, false); err == nil {
 		t.Fatal("expected values file to fail parsing")
 	}
 }
@@ -78,7 +78,7 @@ func TestValidateValuesFileSchema(t *testing.T) {
 	createTestingSchema(t, tmpdir)
 
 	valfile := filepath.Join(tmpdir, "values.yaml")
-	if err := validateValuesFile(valfile, map[string]interface{}{}, false); err != nil {
+	if err := validateValuesFile(valfile, map[string]any{}, false); err != nil {
 		t.Fatalf("Failed validation with %s", err)
 	}
 }
@@ -91,7 +91,7 @@ func TestValidateValuesFileSchemaFailure(t *testing.T) {
 
 	valfile := filepath.Join(tmpdir, "values.yaml")
 
-	err := validateValuesFile(valfile, map[string]interface{}{}, false)
+	err := validateValuesFile(valfile, map[string]any{}, false)
 	if err == nil {
 		t.Fatal("expected values file to fail parsing")
 	}
@@ -107,7 +107,7 @@ func TestValidateValuesFileSchemaFailureButWithSkipSchemaValidation(t *testing.T
 
 	valfile := filepath.Join(tmpdir, "values.yaml")
 
-	err := validateValuesFile(valfile, map[string]interface{}{}, true)
+	err := validateValuesFile(valfile, map[string]any{}, true)
 	if err != nil {
 		t.Fatal("expected values file to pass parsing because of skipSchemaValidation")
 	}
@@ -115,7 +115,7 @@ func TestValidateValuesFileSchemaFailureButWithSkipSchemaValidation(t *testing.T
 
 func TestValidateValuesFileSchemaOverrides(t *testing.T) {
 	yaml := "username: admin"
-	overrides := map[string]interface{}{
+	overrides := map[string]any{
 		"password": "swordfish",
 	}
 	tmpdir := ensure.TempFile(t, "values.yaml", []byte(yaml))
@@ -131,24 +131,24 @@ func TestValidateValuesFile(t *testing.T) {
 	tests := []struct {
 		name         string
 		yaml         string
-		overrides    map[string]interface{}
+		overrides    map[string]any
 		errorMessage string
 	}{
 		{
 			name:      "value added",
 			yaml:      "username: admin",
-			overrides: map[string]interface{}{"password": "swordfish"},
+			overrides: map[string]any{"password": "swordfish"},
 		},
 		{
 			name:         "value not overridden",
 			yaml:         "username: admin\npassword:",
-			overrides:    map[string]interface{}{"username": "anotherUser"},
+			overrides:    map[string]any{"username": "anotherUser"},
 			errorMessage: "- at '/password': got null, want string",
 		},
 		{
 			name:      "value overridden",
 			yaml:      "username: admin\npassword:",
-			overrides: map[string]interface{}{"username": "anotherUser", "password": "swordfish"},
+			overrides: map[string]any{"username": "anotherUser", "password": "swordfish"},
 		},
 	}
 

internal/chart/v3/loader/load.go

@@ -182,11 +182,11 @@ func LoadFiles(files []*archive.BufferedFile) (*chart.Chart, error) {
 //
 // The reader is expected to contain one or more YAML documents, the values of which are merged.
 // And the values can be either a chart's default values or user-supplied values.
-func LoadValues(data io.Reader) (map[string]interface{}, error) {
-	values := map[string]interface{}{}
+func LoadValues(data io.Reader) (map[string]any, error) {
+	values := map[string]any{}
 	reader := utilyaml.NewYAMLReader(bufio.NewReader(data))
 	for {
-		currentMap := map[string]interface{}{}
+		currentMap := map[string]any{}
 		raw, err := reader.Read()
 		if err != nil {
 			if errors.Is(err, io.EOF) {
@@ -204,13 +204,13 @@ func LoadValues(data io.Reader) (map[string]interface{}, error) {
 
 // MergeMaps merges two maps. If a key exists in both maps, the value from b will be used.
 // If the value is a map, the maps will be merged recursively.
-func MergeMaps(a, b map[string]interface{}) map[string]interface{} {
-	out := make(map[string]interface{}, len(a))
+func MergeMaps(a, b map[string]any) map[string]any {
+	out := make(map[string]any, len(a))
 	maps.Copy(out, a)
 	for k, v := range b {
-		if v, ok := v.(map[string]interface{}); ok {
+		if v, ok := v.(map[string]any); ok {
 			if bv, ok := out[k]; ok {
-				if bv, ok := bv.(map[string]interface{}); ok {
+				if bv, ok := bv.(map[string]any); ok {
 					out[k] = MergeMaps(bv, v)
 					continue
 				}

internal/chart/v3/loader/load_test.go

@@ -455,7 +455,7 @@ func TestLoadInvalidArchive(t *testing.T) {
 func TestLoadValues(t *testing.T) {
 	testCases := map[string]struct {
 		data          []byte
-		expctedValues map[string]interface{}
+		expctedValues map[string]any
 	}{
 		"It should load values correctly": {
 			data: []byte(`
@@ -464,11 +464,11 @@ foo:
 bar:
   version: v2
 `),
-			expctedValues: map[string]interface{}{
-				"foo": map[string]interface{}{
+			expctedValues: map[string]any{
+				"foo": map[string]any{
 					"image": "foo:v1",
 				},
-				"bar": map[string]interface{}{
+				"bar": map[string]any{
 					"version": "v2",
 				},
 			},
@@ -483,11 +483,11 @@ bar:
 foo:
   image: foo:v2
 `),
-			expctedValues: map[string]interface{}{
-				"foo": map[string]interface{}{
+			expctedValues: map[string]any{
+				"foo": map[string]any{
 					"image": "foo:v2",
 				},
-				"bar": map[string]interface{}{
+				"bar": map[string]any{
 					"version": "v2",
 				},
 			},
@@ -507,24 +507,24 @@ foo:
 }
 
 func TestMergeValuesV3(t *testing.T) {
-	nestedMap := map[string]interface{}{
+	nestedMap := map[string]any{
 		"foo": "bar",
 		"baz": map[string]string{
 			"cool": "stuff",
 		},
 	}
-	anotherNestedMap := map[string]interface{}{
+	anotherNestedMap := map[string]any{
 		"foo": "bar",
 		"baz": map[string]string{
 			"cool":    "things",
 			"awesome": "stuff",
 		},
 	}
-	flatMap := map[string]interface{}{
+	flatMap := map[string]any{
 		"foo": "bar",
 		"baz": "stuff",
 	}
-	anotherFlatMap := map[string]interface{}{
+	anotherFlatMap := map[string]any{
 		"testing": "fun",
 	}
 
@@ -547,7 +547,7 @@ func TestMergeValuesV3(t *testing.T) {
 	}
 
 	testMap = MergeMaps(anotherFlatMap, anotherNestedMap)
-	expectedMap := map[string]interface{}{
+	expectedMap := map[string]any{
 		"testing": "fun",
 		"foo":     "bar",
 		"baz": map[string]string{

internal/chart/v3/util/dependencies.go

@@ -140,7 +140,7 @@ func copyMetadata(metadata *chart.Metadata) *chart.Metadata {
 }
 
 // processDependencyEnabled removes disabled charts from dependencies
-func processDependencyEnabled(c *chart.Chart, v map[string]interface{}, path string) error {
+func processDependencyEnabled(c *chart.Chart, v map[string]any, path string) error {
 	if c.Metadata.Dependencies == nil {
 		return nil
 	}
@@ -226,7 +226,7 @@ Loop:
 }
 
 // pathToMap creates a nested map given a YAML path in dot notation.
-func pathToMap(path string, data map[string]interface{}) map[string]interface{} {
+func pathToMap(path string, data map[string]any) map[string]any {
 	if path == "." {
 		return data
 	}
@@ -235,13 +235,13 @@ func pathToMap(path string, data map[string]interface{}) map[string]interface{}
 
 func parsePath(key string) []string { return strings.Split(key, ".") }
 
-func set(path []string, data map[string]interface{}) map[string]interface{} {
+func set(path []string, data map[string]any) map[string]any {
 	if len(path) == 0 {
 		return nil
 	}
 	cur := data
 	for i := len(path) - 1; i >= 0; i-- {
-		cur = map[string]interface{}{path[i]: cur}
+		cur = map[string]any{path[i]: cur}
 	}
 	return cur
 }
@@ -262,13 +262,13 @@ func processImportValues(c *chart.Chart, merge bool) error {
 	if err != nil {
 		return err
 	}
-	b := make(map[string]interface{})
+	b := make(map[string]any)
 	// import values from each dependency if specified in import-values
 	for _, r := range c.Metadata.Dependencies {
-		var outiv []interface{}
+		var outiv []any
 		for _, riv := range r.ImportValues {
 			switch iv := riv.(type) {
-			case map[string]interface{}:
+			case map[string]any:
 				child := fmt.Sprintf("%v", iv["child"])
 				parent := fmt.Sprintf("%v", iv["parent"])
 
@@ -336,27 +336,27 @@ func processImportValues(c *chart.Chart, merge bool) error {
 	return nil
 }
 
-func deepCopyMap(vals map[string]interface{}) map[string]interface{} {
+func deepCopyMap(vals map[string]any) map[string]any {
 	valsCopy, err := copystructure.Copy(vals)
 	if err != nil {
 		return vals
 	}
-	return valsCopy.(map[string]interface{})
+	return valsCopy.(map[string]any)
 }
 
-func trimNilValues(vals map[string]interface{}) map[string]interface{} {
+func trimNilValues(vals map[string]any) map[string]any {
 	valsCopy, err := copystructure.Copy(vals)
 	if err != nil {
 		return vals
 	}
-	valsCopyMap := valsCopy.(map[string]interface{})
+	valsCopyMap := valsCopy.(map[string]any)
 	for key, val := range valsCopyMap {
 		if val == nil {
 			// Iterate over the values and remove nil keys
 			delete(valsCopyMap, key)
 		} else if istable(val) {
 			// Recursively call into ourselves to remove keys from inner tables
-			valsCopyMap[key] = trimNilValues(val.(map[string]interface{}))
+			valsCopyMap[key] = trimNilValues(val.(map[string]any))
 		}
 	}
 
@@ -364,8 +364,8 @@ func trimNilValues(vals map[string]interface{}) map[string]interface{} {
 }
 
 // istable is a special-purpose function to see if the present thing matches the definition of a YAML table.
-func istable(v interface{}) bool {
-	_, ok := v.(map[string]interface{})
+func istable(v any) bool {
+	_, ok := v.(map[string]any)
 	return ok
 }