Merge pull request #6083 from 0xMH/fix/5103-remove-component

Add kustomize edit remove component command

kustomize/commands/edit/remove/all.go

@@ -28,6 +28,10 @@ func NewCmdRemove(
 	# Removes one or more secret from the kustomization file
 	kustomize edit remove secret {name1},{name2}
 
+	# Removes one or more components from the kustomization file
+	kustomize edit remove component {filepath} {filepath}
+	kustomize edit remove component {pattern}
+
 	# Removes one or more patches from the kustomization file
 	kustomize edit remove patch --path {filepath} --group {target group name} --version {target version}
 
@@ -46,6 +50,7 @@ func NewCmdRemove(
 		newCmdRemoveConfigMap(fSys),
 		newCmdRemoveSecret(fSys),
 		newCmdRemoveResource(fSys),
+		newCmdRemoveComponent(fSys),
 		newCmdRemoveLabel(fSys, v.MakeLabelNameValidator()),
 		newCmdRemoveAnnotation(fSys, v.MakeAnnotationNameValidator()),
 		newCmdRemovePatch(fSys),

kustomize/commands/edit/remove/removecomponent.go

@@ -0,0 +1,88 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package remove
+
+import (
+	"errors"
+	"fmt"
+	"slices"
+
+	"github.com/spf13/cobra"
+	"sigs.k8s.io/kustomize/api/konfig"
+	"sigs.k8s.io/kustomize/kustomize/v5/commands/internal/kustfile"
+	"sigs.k8s.io/kustomize/kyaml/filesys"
+)
+
+type removeComponentOptions struct {
+	componentFilePaths []string
+}
+
+// newCmdRemoveComponent remove the name of a file containing a component to the kustomization file.
+func newCmdRemoveComponent(fSys filesys.FileSystem) *cobra.Command {
+	var o removeComponentOptions
+
+	cmd := &cobra.Command{
+		Use: "component",
+		Short: "Removes one or more components from " +
+			konfig.DefaultKustomizationFileName(),
+		Example: `
+		remove component ../../components/component1
+		remove component ../../components/component1 ../../components/component2
+		remove component ../../components/component*
+		`,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			err := o.Validate(args)
+			if err != nil {
+				return err
+			}
+			return o.RunRemoveComponent(fSys)
+		},
+	}
+	return cmd
+}
+
+// Validate validates removeComponent command.
+func (o *removeComponentOptions) Validate(args []string) error {
+	if len(args) == 0 {
+		return errors.New("must specify a component file")
+	}
+	o.componentFilePaths = args
+	return nil
+}
+
+// RunRemoveComponent runs Component command (do real work).
+func (o *removeComponentOptions) RunRemoveComponent(fSys filesys.FileSystem) error {
+	mf, err := kustfile.NewKustomizationFile(fSys)
+	if err != nil {
+		return fmt.Errorf("failed to read kustomization file: %w", err)
+	}
+
+	m, err := mf.Read()
+	if err != nil {
+		return fmt.Errorf("failed to read kustomization file content: %w", err)
+	}
+
+	components, err := globPatterns(m.Components, o.componentFilePaths)
+	if err != nil {
+		return err
+	}
+
+	if len(components) == 0 {
+		return nil
+	}
+
+	newComponents := make([]string, 0, len(m.Components))
+	for _, component := range m.Components {
+		if slices.Contains(components, component) {
+			continue
+		}
+		newComponents = append(newComponents, component)
+	}
+
+	m.Components = newComponents
+	if err := mf.Write(m); err != nil {
+		return fmt.Errorf("failed to write kustomization file: %w", err)
+	}
+	return nil
+}

kustomize/commands/edit/remove/removecomponent_test.go

@@ -0,0 +1,111 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package remove
+
+import (
+	"errors"
+	"testing"
+
+	testutils_test "sigs.k8s.io/kustomize/kustomize/v5/commands/internal/testutils"
+)
+
+func TestRemoveComponents(t *testing.T) {
+	testCases := []testutils_test.RemoveTestCase{
+		{
+			Description: "remove components",
+			Given: testutils_test.RemoveTestGivenValues{
+				Items: []string{
+					"../../components/component1",
+					"../../components/component2",
+					"../../components/component3",
+				},
+				RemoveArgs: []string{"../../components/component2"},
+			},
+			Expected: testutils_test.RemoveTestExpectedValues{
+				Items: []string{
+					"../../components/component1",
+					"../../components/component3",
+				},
+				Deleted: []string{
+					"../../components/component2",
+				},
+			},
+		},
+		{
+			Description: "remove component with pattern",
+			Given: testutils_test.RemoveTestGivenValues{
+				Items: []string{
+					"../../component/component1",
+					"../../component/component2",
+					"../../component/component3",
+					"../../component/do_not_delete",
+				},
+				RemoveArgs: []string{"../../component/component*"},
+			},
+			Expected: testutils_test.RemoveTestExpectedValues{
+				Items: []string{
+					"../../component/do_not_delete",
+				},
+				Deleted: []string{
+					"../../component/component1",
+					"../../component/component2",
+					"../../component/component3",
+				},
+			},
+		},
+		{
+			Description: "nothing found to remove",
+			Given: testutils_test.RemoveTestGivenValues{
+				Items: []string{
+					"component/component1",
+					"component/component2",
+					"component/component3",
+				},
+				RemoveArgs: []string{"component/component4"},
+			},
+			Expected: testutils_test.RemoveTestExpectedValues{
+				Items: []string{
+					"component/component1",
+					"component/component2",
+					"component/component3",
+				},
+			},
+		},
+		{
+			Description: "no arguments",
+			Given:       testutils_test.RemoveTestGivenValues{},
+			Expected: testutils_test.RemoveTestExpectedValues{
+				Err: errors.New("must specify a component file"),
+			},
+		},
+		{
+			Description: "remove with multiple pattern arguments",
+			Given: testutils_test.RemoveTestGivenValues{
+				Items: []string{
+					"foo/component1",
+					"bar/component2",
+					"do_not_delete",
+					"component3",
+				},
+				RemoveArgs: []string{
+					"foo/*",
+					"bar/*",
+					"compo*",
+				},
+			},
+			Expected: testutils_test.RemoveTestExpectedValues{
+				Items: []string{
+					"do_not_delete",
+				},
+				Deleted: []string{
+					"foo/component1",
+					"bar/component2",
+					"component3",
+				},
+			},
+		},
+	}
+
+	testutils_test.ExecuteRemoveTestCases(t, testCases, "components", newCmdRemoveComponent)
+}