add set command to modify comp desc

pkg/commands/componentarchive/componentarchive.go

@@ -19,8 +19,10 @@ import (
 	pflag "github.com/spf13/pflag"
 
 	"github.com/gardener/component-cli/pkg/commands/componentarchive/componentreferences"
+	"github.com/gardener/component-cli/pkg/commands/componentarchive/get"
 	"github.com/gardener/component-cli/pkg/commands/componentarchive/remote"
 	"github.com/gardener/component-cli/pkg/commands/componentarchive/resources"
+	"github.com/gardener/component-cli/pkg/commands/componentarchive/set"
 	"github.com/gardener/component-cli/pkg/commands/componentarchive/sources"
 	ctfcmd "github.com/gardener/component-cli/pkg/commands/ctf"
 	"github.com/gardener/component-cli/pkg/componentarchive"
@@ -74,6 +76,8 @@ func NewComponentArchiveCommand(ctx context.Context) *cobra.Command {
 	cmd.AddCommand(resources.NewResourcesCommand(ctx))
 	cmd.AddCommand(componentreferences.NewCompRefCommand(ctx))
 	cmd.AddCommand(sources.NewSourcesCommand(ctx))
+	cmd.AddCommand(set.NewSetCommand(ctx))
+	cmd.AddCommand(get.NewGetCommand(ctx))
 	return cmd
 }
 
@@ -110,6 +114,7 @@ func (o *ComponentArchiveOptions) Run(ctx context.Context, log logr.Logger, fs v
 			return fmt.Errorf("unable to add component archive to ctf: %w", err)
 		}
 		log.Info("Successfully added ctf\n")
+		return nil
 	}
 
 	// only copy essential files to the temp dir

pkg/commands/componentarchive/create.go

@@ -6,6 +6,7 @@ package componentarchive
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"os"
 
@@ -70,6 +71,11 @@ func (o *CreateOptions) Complete(args []string) error {
 }
 
 func (o *CreateOptions) validate() error {
+	if o.Overwrite && len(o.Name) != 0 {
+		if len(o.Version) == 0 {
+			return errors.New("a version has to be provided for a minimal component descriptor")
+		}
+	}
 	return o.BuilderOptions.Validate()
 }
 

pkg/commands/componentarchive/get/get.go

@@ -0,0 +1,113 @@
+// SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and Gardener contributors.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package get
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+
+	cdvalidation "github.com/gardener/component-spec/bindings-go/apis/v2/validation"
+	"github.com/go-logr/logr"
+	"github.com/mandelsoft/vfs/pkg/osfs"
+	"github.com/mandelsoft/vfs/pkg/vfs"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+
+	"github.com/gardener/component-cli/pkg/componentarchive"
+	"github.com/gardener/component-cli/pkg/logger"
+)
+
+// Options defines the options that are used to add resources to a component descriptor
+type Options struct {
+	componentarchive.BuilderOptions
+	Property string
+}
+
+// NewGetCommand creates a command to add additional resources to a component descriptor.
+func NewGetCommand(ctx context.Context) *cobra.Command {
+	opts := &Options{}
+	cmd := &cobra.Command{
+		Use:   "get COMPONENT_ARCHIVE_PATH [options...]",
+		Args:  cobra.MinimumNArgs(1),
+		Short: "set some component descriptor properties",
+		Long: `
+the set command sets some component descriptor properies like the component name and/or version.
+
+The component archive can be specified by the first argument, the flag "--archive" or as env var "COMPONENT_ARCHIVE_PATH".
+The component archive is expected to be a filesystem archive.
+`,
+		Run: func(cmd *cobra.Command, args []string) {
+			if err := opts.Complete(args); err != nil {
+				fmt.Println(err.Error())
+				os.Exit(1)
+			}
+
+			if err := opts.Run(ctx, logger.Log, osfs.New()); err != nil {
+				fmt.Println(err.Error())
+				os.Exit(1)
+			}
+		},
+	}
+
+	opts.AddFlags(cmd.Flags())
+
+	return cmd
+}
+
+func (o *Options) Run(ctx context.Context, log logr.Logger, fs vfs.FileSystem) error {
+	result, err := o.Get(ctx, log, fs)
+	if err != nil {
+		return err
+	}
+	fmt.Println(result)
+	return nil
+}
+
+func (o *Options) Get(ctx context.Context, log logr.Logger, fs vfs.FileSystem) (string, error) {
+	o.Modify = true
+	archive, err := o.BuilderOptions.Build(fs)
+	if err != nil {
+		return "", err
+	}
+
+	if err := cdvalidation.Validate(archive.ComponentDescriptor); err != nil {
+		return "", fmt.Errorf("invalid component descriptor: %w", err)
+	}
+
+	switch o.Property {
+	case "name":
+		return archive.ComponentDescriptor.Name, nil
+	case "version":
+		return archive.ComponentDescriptor.Version, nil
+	}
+
+	return "", nil
+}
+
+func (o *Options) Complete(args []string) error {
+
+	if len(args) == 0 {
+		return errors.New("at least a component archive path argument has to be defined")
+	}
+	o.BuilderOptions.ComponentArchivePath = args[0]
+	o.BuilderOptions.Default()
+
+	return o.validate()
+}
+
+func (o *Options) validate() error {
+	if len(o.Property) == 0 {
+		return errors.New("a property must be specified")
+	}
+	return o.BuilderOptions.Validate()
+}
+
+func (o *Options) AddFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&o.Property, "property", "", "name of the property (name or version)")
+
+	o.BuilderOptions.AddFlags(fs)
+}

pkg/commands/componentarchive/get/get_test.go

@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and Gardener contributors.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package get_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/gardener/component-cli/pkg/commands/componentarchive/get"
+	"github.com/gardener/component-cli/pkg/componentarchive"
+	"github.com/go-logr/logr"
+	"github.com/mandelsoft/vfs/pkg/layerfs"
+	"github.com/mandelsoft/vfs/pkg/memoryfs"
+	"github.com/mandelsoft/vfs/pkg/osfs"
+	"github.com/mandelsoft/vfs/pkg/projectionfs"
+	"github.com/mandelsoft/vfs/pkg/vfs"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestConfig(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Resources Test Suite")
+}
+
+var _ = Describe("Set", func() {
+
+	var testdataFs vfs.FileSystem
+
+	BeforeEach(func() {
+		fs, err := projectionfs.New(osfs.New(), "./testdata")
+		Expect(err).ToNot(HaveOccurred())
+		testdataFs = layerfs.New(memoryfs.New(), fs)
+	})
+
+	It("should get name", func() {
+		opts := &get.Options{
+			BuilderOptions: componentarchive.BuilderOptions{
+				ComponentArchivePath: "./00-component",
+			},
+			Property: "name",
+		}
+
+		Expect(opts.Get(context.TODO(), logr.Discard(), testdataFs)).To(Equal("example.com/component"))
+	})
+
+	It("should get version", func() {
+		opts := &get.Options{
+			BuilderOptions: componentarchive.BuilderOptions{
+				ComponentArchivePath: "./00-component",
+			},
+			Property: "version",
+		}
+
+		Expect(opts.Get(context.TODO(), logr.Discard(), testdataFs)).To(Equal("v0.0.0"))
+	})
+})

pkg/commands/componentarchive/get/testdata/00-component/component-descriptor.yaml

@@ -0,0 +1,19 @@
+component:
+  componentReferences: []
+  name: example.com/component
+  provider: internal
+  repositoryContexts:
+  - baseUrl: eu.gcr.io/gardener-project/components/dev
+    type: ociRegistry
+  resources:
+    - name: 'ubuntu'
+      version: 'v0.0.1'
+      type: 'ociImage'
+      relation: 'external'
+      access:
+        type: 'ociRegistry'
+        imageReference: 'ubuntu:18.0'
+  sources: []
+  version: v0.0.0
+meta:
+  schemaVersion: v2

pkg/commands/componentarchive/remote/push.go

@@ -85,6 +85,7 @@ func (o *PushOptions) Run(ctx context.Context, log logr.Logger, fs vfs.FileSyste
 	}
 	// update repository context
 	if len(o.BaseUrl) != 0 {
+		log.Info(fmt.Sprintf("Update repository context in component descriptor %q", o.BaseUrl))
 		if err := cdv2.InjectRepositoryContext(archive.ComponentDescriptor, cdv2.NewOCIRegistryRepository(o.BaseUrl, "")); err != nil {
 			return fmt.Errorf("unable to add repository context to component descriptor: %w", err)
 		}
@@ -95,7 +96,12 @@ func (o *PushOptions) Run(ctx context.Context, log logr.Logger, fs vfs.FileSyste
 		return fmt.Errorf("unable to build oci artifact for component acrchive: %w", err)
 	}
 
-	ref, err := components.OCIRef(archive.ComponentDescriptor.GetEffectiveRepositoryContext(), archive.ComponentDescriptor.Name, archive.ComponentDescriptor.Version)
+	rctx := archive.ComponentDescriptor.GetEffectiveRepositoryContext()
+	if rctx == nil {
+		return fmt.Errorf("no repository context given")
+	}
+	// attention nil struct pointer passed to interface parameter (non-nil value)
+	ref, err := components.OCIRef(rctx, archive.ComponentDescriptor.Name, archive.ComponentDescriptor.Version)
 	if err != nil {
 		return fmt.Errorf("invalid component reference: %w", err)
 	}
@@ -105,7 +111,8 @@ func (o *PushOptions) Run(ctx context.Context, log logr.Logger, fs vfs.FileSyste
 	log.Info(fmt.Sprintf("Successfully uploaded component descriptor at %q", ref))
 
 	for _, tag := range o.AdditionalTags {
-		ref, err := components.OCIRef(archive.ComponentDescriptor.GetEffectiveRepositoryContext(), archive.ComponentDescriptor.Name, tag)
+		log.Info(fmt.Sprintf("Push for additional tag %q", tag))
+		ref, err := components.OCIRef(rctx, archive.ComponentDescriptor.Name, tag)
 		if err != nil {
 			return fmt.Errorf("invalid component reference: %w", err)
 		}

pkg/commands/componentarchive/set/set.go

@@ -0,0 +1,110 @@
+// SPDX-FileCopyrightText: 2020 SAP SE or an SAP affiliate company and Gardener contributors.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package set
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	cdvalidation "github.com/gardener/component-spec/bindings-go/apis/v2/validation"
+	"github.com/gardener/component-spec/bindings-go/ctf"
+	"github.com/go-logr/logr"
+	"github.com/mandelsoft/vfs/pkg/osfs"
+	"github.com/mandelsoft/vfs/pkg/vfs"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	"sigs.k8s.io/yaml"
+
+	"github.com/gardener/component-cli/pkg/componentarchive"
+	"github.com/gardener/component-cli/pkg/logger"
+)
+
+// Options defines the options that are used to add resources to a component descriptor
+type Options struct {
+	componentarchive.BuilderOptions
+}
+
+// NewSetCommand creates a command to add additional resources to a component descriptor.
+func NewSetCommand(ctx context.Context) *cobra.Command {
+	opts := &Options{}
+	cmd := &cobra.Command{
+		Use:   "set COMPONENT_ARCHIVE_PATH [options...]",
+		Args:  cobra.MinimumNArgs(1),
+		Short: "set some component descriptor properties",
+		Long: `
+the set command sets some component descriptor properies like the component name and/or version.
+
+The component archive can be specified by the first argument, the flag "--archive" or as env var "COMPONENT_ARCHIVE_PATH".
+The component archive is expected to be a filesystem archive.
+`,
+		Run: func(cmd *cobra.Command, args []string) {
+			if err := opts.Complete(args); err != nil {
+				fmt.Println(err.Error())
+				os.Exit(1)
+			}
+
+			if err := opts.Run(ctx, logger.Log, osfs.New()); err != nil {
+				fmt.Println(err.Error())
+				os.Exit(1)
+			}
+		},
+	}
+
+	opts.AddFlags(cmd.Flags())
+
+	return cmd
+}
+
+func (o *Options) Run(ctx context.Context, log logr.Logger, fs vfs.FileSystem) error {
+	compDescFilePath := filepath.Join(o.ComponentArchivePath, ctf.ComponentDescriptorFileName)
+
+	o.Modify = true
+	archive, err := o.BuilderOptions.Build(fs)
+	if err != nil {
+		return err
+	}
+
+	if len(o.Name) != 0 {
+		archive.ComponentDescriptor.Name = o.Name
+	}
+	if len(o.Version) != 0 {
+		archive.ComponentDescriptor.Version = o.Version
+	}
+
+	if err := cdvalidation.Validate(archive.ComponentDescriptor); err != nil {
+		return fmt.Errorf("invalid component descriptor: %w", err)
+	}
+
+	data, err := yaml.Marshal(archive.ComponentDescriptor)
+	if err != nil {
+		return fmt.Errorf("unable to encode component descriptor: %w", err)
+	}
+	if err := vfs.WriteFile(fs, compDescFilePath, data, 0664); err != nil {
+		return fmt.Errorf("unable to write modified comonent descriptor: %w", err)
+	}
+	log.V(2).Info("Successfully changed component descriptor")
+	return nil
+}
+
+func (o *Options) Complete(args []string) error {
+	if len(args) == 0 {
+		return errors.New("at least a component archive path argument has to be defined")
+	}
+	o.BuilderOptions.ComponentArchivePath = args[0]
+	o.BuilderOptions.Default()
+
+	return o.validate()
+}
+
+func (o *Options) validate() error {
+	return o.BuilderOptions.Validate()
+}
+
+func (o *Options) AddFlags(fs *pflag.FlagSet) {
+	o.BuilderOptions.AddFlags(fs)
+}