refactoring

Signed-off-by: bartem <bartem@ozon.ru>

pkg/action/lint.go

@@ -22,7 +22,6 @@ import (
 	"strings"
 
 	"github.com/pkg/errors"
-	"helm.sh/helm/v3/pkg/lint/rules"
 
 	"helm.sh/helm/v3/pkg/chartutil"
 	"helm.sh/helm/v3/pkg/lint"
@@ -127,5 +126,8 @@ func lintChart(path string, vals map[string]interface{}, releaseName, namespace
 		return linter, errors.Wrap(err, "unable to check Chart.yaml file in chart")
 	}
 
-	return lint.AllWithKubeVersion(chartPath, vals, namespace, kubeVersion, rules.WithReleaseName(releaseName)), nil
+	return lint.AllWithOptions(chartPath, vals, namespace,
+		lint.WithReleaseName(releaseName),
+		lint.WithKubeVersion(kubeVersion),
+	), nil
 }

pkg/lint/lint.go

@@ -25,19 +25,32 @@ import (
 )
 
 // All runs all of the available linters on the given base directory.
-func All(basedir string, values map[string]interface{}, namespace string, _ bool, opts ...rules.TemplateOption) support.Linter {
-	return AllWithKubeVersion(basedir, values, namespace, nil, opts...)
+// Deprecated, use AllWithOptions instead.
+func All(basedir string, values map[string]interface{}, namespace string, _ bool) support.Linter {
+	return AllWithOptions(basedir, values, namespace, nil)
 }
 
 // AllWithKubeVersion runs all the available linters on the given base directory, allowing to specify the kubernetes version.
-func AllWithKubeVersion(basedir string, values map[string]interface{}, namespace string, kubeVersion *chartutil.KubeVersion, opts ...rules.TemplateOption) support.Linter {
+// Deprecated, use AllWithOptions instead.
+func AllWithKubeVersion(basedir string, values map[string]interface{}, namespace string, kubeVersion *chartutil.KubeVersion) support.Linter {
+	return AllWithOptions(basedir, values, namespace, WithKubeVersion(kubeVersion))
+}
+
+// AllWithOptions runs all the available linters on the given base directory, allowing to specify different options.
+func AllWithOptions(basedir string, values map[string]interface{}, namespace string, options ...LinterOption) support.Linter {
 	// Using abs path to get directory context
 	chartDir, _ := filepath.Abs(basedir)
 
 	linter := support.Linter{ChartDir: chartDir}
+
+	for _, optFn := range options {
+		optFn(&linter)
+	}
+
 	rules.Chartfile(&linter)
 	rules.ValuesWithOverrides(&linter, values)
-	rules.TemplatesWithKubeVersion(&linter, values, namespace, kubeVersion, opts...)
+	rules.TemplatesV2(&linter, values, namespace)
 	rules.Dependencies(&linter)
+
 	return linter
 }

pkg/lint/lint_options.go

@@ -0,0 +1,22 @@
+package lint
+
+import (
+	"helm.sh/helm/v3/pkg/chartutil"
+	"helm.sh/helm/v3/pkg/lint/support"
+)
+
+type LinterOption func(linter *support.Linter)
+
+// WithReleaseName specifies chart release name
+func WithReleaseName(name string) LinterOption {
+	return func(linter *support.Linter) {
+		linter.ReleaseName = name
+	}
+}
+
+// WithKubeVersion specifies kube version
+func WithKubeVersion(version *chartutil.KubeVersion) LinterOption {
+	return func(linter *support.Linter) {
+		linter.KubeVersion = version
+	}
+}

pkg/lint/lint_test.go

@@ -39,7 +39,7 @@ const subChartValuesDir = "rules/testdata/withsubchart"
 const malformedTemplate = "rules/testdata/malformed-template"
 
 func TestBadChart(t *testing.T) {
-	m := All(badChartDir, values, defaultName, namespace, strict).Messages
+	m := AllWithOptions(badChartDir, values, namespace, WithReleaseName(defaultName)).Messages
 	if len(m) != 8 {
 		t.Errorf("Number of errors %v", len(m))
 		t.Errorf("All didn't fail with expected errors, got %#v", m)
@@ -83,7 +83,7 @@ func TestBadChart(t *testing.T) {
 }
 
 func TestInvalidYaml(t *testing.T) {
-	m := All(badYamlFileDir, values, defaultName, namespace, strict).Messages
+	m := AllWithOptions(badYamlFileDir, values, namespace, WithReleaseName(defaultName)).Messages
 	if len(m) != 1 {
 		t.Fatalf("All didn't fail with expected errors, got %#v", m)
 	}
@@ -93,7 +93,7 @@ func TestInvalidYaml(t *testing.T) {
 }
 
 func TestBadValues(t *testing.T) {
-	m := All(badValuesFileDir, values, defaultName, namespace, strict).Messages
+	m := AllWithOptions(badValuesFileDir, values, namespace, WithReleaseName(defaultName)).Messages
 	if len(m) < 1 {
 		t.Fatalf("All didn't fail with expected errors, got %#v", m)
 	}
@@ -103,7 +103,7 @@ func TestBadValues(t *testing.T) {
 }
 
 func TestGoodChart(t *testing.T) {
-	m := All(goodChartDir, values, defaultName, namespace, strict).Messages
+	m := AllWithOptions(goodChartDir, values, namespace, WithReleaseName(defaultName)).Messages
 	if len(m) != 0 {
 		t.Error("All returned linter messages when it shouldn't have")
 		for i, msg := range m {
@@ -127,7 +127,7 @@ func TestHelmCreateChart(t *testing.T) {
 
 	// Note: we test with strict=true here, even though others have
 	// strict = false.
-	m := All(createdChart, values, defaultName, namespace, true).Messages
+	m := AllWithOptions(createdChart, values, namespace, WithReleaseName(defaultName)).Messages
 	if ll := len(m); ll != 1 {
 		t.Errorf("All should have had exactly 1 error. Got %d", ll)
 		for i, msg := range m {
@@ -141,7 +141,7 @@ func TestHelmCreateChart(t *testing.T) {
 // lint ignores import-values
 // See https://github.com/helm/helm/issues/9658
 func TestSubChartValuesChart(t *testing.T) {
-	m := All(subChartValuesDir, values, defaultName, namespace, strict).Messages
+	m := AllWithOptions(subChartValuesDir, values, namespace, WithReleaseName(defaultName)).Messages
 	if len(m) != 0 {
 		t.Error("All returned linter messages when it shouldn't have")
 		for i, msg := range m {
@@ -157,7 +157,7 @@ func TestMalformedTemplate(t *testing.T) {
 	ch := make(chan int, 1)
 	var m []support.Message
 	go func() {
-		m = All(malformedTemplate, values, defaultName, namespace, strict).Messages
+		m = AllWithOptions(malformedTemplate, values, namespace, WithReleaseName(defaultName)).Messages
 		ch <- 1
 	}()
 	select {

pkg/lint/rules/template.go

@@ -45,12 +45,20 @@ var (
 )
 
 // Templates lints the templates in the Linter.
-func Templates(linter *support.Linter, values map[string]interface{}, namespace string, _ bool, opts ...TemplateOption) {
-	TemplatesWithKubeVersion(linter, values, namespace, nil, opts...)
+// Deprecated, use TemplatesV2 instead.
+func Templates(linter *support.Linter, values map[string]interface{}, namespace string, _ bool) {
+	TemplatesV2(linter, values, namespace)
 }
 
 // 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 *chartutil.KubeVersion, opts ...TemplateOption) {
+// Deprecated, use TemplatesV2 instead.
+func TemplatesWithKubeVersion(linter *support.Linter, values map[string]interface{}, namespace string, kubeVersion *chartutil.KubeVersion) {
+	linter.KubeVersion = kubeVersion
+	TemplatesV2(linter, values, namespace)
+}
+
+// TemplatesV2 lints the templates in the Linter.
+func TemplatesV2(linter *support.Linter, values map[string]interface{}, namespace string) {
 	fpath := "templates/"
 	templatesPath := filepath.Join(linter.ChartDir, fpath)
 
@@ -70,19 +78,14 @@ func TemplatesWithKubeVersion(linter *support.Linter, values map[string]interfac
 		return
 	}
 
-	o := defaultTemplateOptions
-	for _, optFn := range opts {
-		optFn(o)
-	}
-
 	options := chartutil.ReleaseOptions{
-		Name:      o.releaseName,
+		Name:      linter.ReleaseName,
 		Namespace: namespace,
 	}
 
 	caps := chartutil.DefaultCapabilities.Copy()
-	if kubeVersion != nil {
-		caps.KubeVersion = *kubeVersion
+	if linter.KubeVersion != nil {
+		caps.KubeVersion = *linter.KubeVersion
 	}
 
 	// lint ignores import-values
@@ -166,7 +169,7 @@ func TemplatesWithKubeVersion(linter *support.Linter, values map[string]interfac
 					// NOTE: set to warnings to allow users to support out-of-date kubernetes
 					// Refs https://github.com/helm/helm/issues/8596
 					linter.RunLinterRule(support.WarningSev, fpath, validateMetadataName(yamlStruct))
-					linter.RunLinterRule(support.WarningSev, fpath, validateNoDeprecations(yamlStruct, kubeVersion))
+					linter.RunLinterRule(support.WarningSev, fpath, validateNoDeprecations(yamlStruct, linter.KubeVersion))
 
 					linter.RunLinterRule(support.ErrorSev, fpath, validateMatchSelector(yamlStruct, renderedContent))
 					linter.RunLinterRule(support.ErrorSev, fpath, validateListAnnotations(yamlStruct, renderedContent))

pkg/lint/rules/template_options.go

@@ -1,20 +0,0 @@
-package rules
-
-type (
-	templateOptions struct {
-		releaseName string
-	}
-
-	TemplateOption func(o *templateOptions)
-)
-
-var defaultTemplateOptions = &templateOptions{
-	releaseName: "test-release",
-}
-
-// WithReleaseName specify release name for linter
-func WithReleaseName(name string) TemplateOption {
-	return func(o *templateOptions) {
-		o.releaseName = name
-	}
-}

pkg/lint/rules/template_test.go

@@ -51,11 +51,10 @@ var values = map[string]interface{}{"nameOverride": "", "httpPort": 80}
 
 const defaultName = "test-release"
 const namespace = "testNamespace"
-const strict = false
 
 func TestTemplateParsing(t *testing.T) {
-	linter := support.Linter{ChartDir: templateTestBasedir}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: templateTestBasedir, ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	res := linter.Messages
 
 	if len(res) != 1 {
@@ -77,8 +76,8 @@ func TestTemplateIntegrationHappyPath(t *testing.T) {
 	os.Rename(wrongTemplatePath, ignoredTemplatePath)
 	defer os.Rename(ignoredTemplatePath, wrongTemplatePath)
 
-	linter := support.Linter{ChartDir: templateTestBasedir}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: templateTestBasedir, ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	res := linter.Messages
 
 	if len(res) != 0 {
@@ -87,8 +86,8 @@ func TestTemplateIntegrationHappyPath(t *testing.T) {
 }
 
 func TestV3Fail(t *testing.T) {
-	linter := support.Linter{ChartDir: "./testdata/v3-fail"}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: "./testdata/v3-fail", ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	res := linter.Messages
 
 	if len(res) != 3 {
@@ -107,8 +106,8 @@ func TestV3Fail(t *testing.T) {
 }
 
 func TestMultiTemplateFail(t *testing.T) {
-	linter := support.Linter{ChartDir: "./testdata/multi-template-fail"}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: "./testdata/multi-template-fail", ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	res := linter.Messages
 
 	if len(res) != 1 {
@@ -227,8 +226,8 @@ func TestDeprecatedAPIFails(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	linter := support.Linter{ChartDir: filepath.Join(tmpdir, mychart.Name())}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: filepath.Join(tmpdir, mychart.Name()), ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	if l := len(linter.Messages); l != 1 {
 		for i, msg := range linter.Messages {
 			t.Logf("Message %d: %s", i, msg)
@@ -283,8 +282,9 @@ func TestStrictTemplateParsingMapError(t *testing.T) {
 	}
 	linter := &support.Linter{
 		ChartDir:    filepath.Join(dir, ch.Metadata.Name),
+		ReleaseName: defaultName,
 	}
-	Templates(linter, ch.Values, defaultName, namespace, strict)
+	TemplatesV2(linter, ch.Values, namespace)
 	if len(linter.Messages) != 0 {
 		t.Errorf("expected zero messages, got %d", len(linter.Messages))
 		for i, msg := range linter.Messages {
@@ -412,8 +412,8 @@ func TestEmptyWithCommentsManifests(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	linter := support.Linter{ChartDir: filepath.Join(tmpdir, mychart.Name())}
-	Templates(&linter, values, defaultName, namespace, strict)
+	linter := support.Linter{ChartDir: filepath.Join(tmpdir, mychart.Name()), ReleaseName: defaultName}
+	TemplatesV2(&linter, values, namespace)
 	if l := len(linter.Messages); l > 0 {
 		for i, msg := range linter.Messages {
 			t.Logf("Message %d: %s", i, msg)

pkg/lint/support/message.go

@@ -16,7 +16,11 @@ limitations under the License.
 
 package support
 
-import "fmt"
+import (
+	"fmt"
+
+	"helm.sh/helm/v3/pkg/chartutil"
+)
 
 // Severity indicates the severity of a Message.
 const (
@@ -39,6 +43,8 @@ type Linter struct {
 	// The highest severity of all the failing lint rules
 	HighestSeverity int
 	ChartDir        string
+	ReleaseName     string
+	KubeVersion     *chartutil.KubeVersion
 }
 
 // Message describes an error encountered while linting.