Move to internal type and change variables to support dashed imports.

Signed-off-by: Mangirdas Judeikis <[email protected]>
On-behalf-of: SAP [email protected]

pkg/generators/clientgen/clientgen.go

@@ -226,8 +226,8 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 }
 
 // adapted from https://github.com/kubernetes/kubernetes/blob/8f269d6df2a57544b73d5ca35e04451373ef334c/staging/src/k8s.io/code-generator/cmd/client-gen/types/helpers.go#L87-L103
-func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVersion][]parser.Kind) []types.GroupVersionInfo {
-	var info []types.GroupVersionInfo
+func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVersion][]parser.Kind) []parser.Group {
+	var info []parser.Group
 	for group, versions := range groupVersionKinds {
 		for version := range versions {
 			info = append(info, toGroupVersionInfo(group, version))
@@ -240,12 +240,13 @@ func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVer
 }
 
 // adapted from https://github.com/kubernetes/kubernetes/blob/8f269d6df2a57544b73d5ca35e04451373ef334c/staging/src/k8s.io/code-generator/cmd/client-gen/types/helpers.go#L87-L103
-func toGroupVersionInfo(group parser.Group, version types.PackageVersion) types.GroupVersionInfo {
-	return types.GroupVersionInfo{
+func toGroupVersionInfo(group parser.Group, version types.PackageVersion) parser.Group {
+	goName := strings.ReplaceAll(group.GoName, "-", "")
+	return parser.Group{
 		Group:                group.Group,
-		Version:              types.Version(namer.IC(version.Version.String())),
-		PackageAlias:         strings.ToLower(group.GoName + version.Version.NonEmpty()),
-		GroupGoName:          group.GoName,
-		LowerCaseGroupGoName: namer.IL(group.GoName),
+		Version:              parser.Version(namer.IC(version.Version.String())),
+		PackageAlias:         strings.ToLower(goName + version.Version.NonEmpty()),
+		GoName:               goName,
+		LowerCaseGroupGoName: namer.IL(goName),
 	}
 }

pkg/generators/informergen/informergen.go

@@ -146,12 +146,12 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 		return err
 	}
 
-	gvks := map[types.Group]map[types.Version][]parser.Kind{}
+	gvks := map[types.Group]map[parser.Version][]parser.Kind{}
 	for group, versions := range groupVersionKinds {
 		for version, kinds := range versions {
 			info := toGroupVersionInfo(group, version)
 			if _, exists := gvks[info.Group]; !exists {
-				gvks[info.Group] = map[types.Version][]parser.Kind{}
+				gvks[info.Group] = map[parser.Version][]parser.Kind{}
 			}
 			gvks[info.Group][info.Version] = kinds
 		}
@@ -178,7 +178,7 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 	}
 
 	for group, versions := range groupVersionKinds {
-		groupDir := filepath.Join(informersDir, group.PackageName())
+		groupDir := filepath.Join(informersDir, group.PackagePath())
 		outputFile := filepath.Join(groupDir, "interface.go")
 		logger := logger.WithValues(
 			"group", group.String(),
@@ -246,8 +246,8 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 }
 
 // adapted from https://github.com/kubernetes/kubernetes/blob/8f269d6df2a57544b73d5ca35e04451373ef334c/staging/src/k8s.io/code-generator/cmd/client-gen/types/helpers.go#L87-L103
-func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVersion][]parser.Kind) []types.GroupVersionInfo {
-	var info []types.GroupVersionInfo
+func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVersion][]parser.Kind) []parser.Group {
+	var info []parser.Group
 	for group, versions := range groupVersionKinds {
 		for version := range versions {
 			info = append(info, toGroupVersionInfo(group, version))
@@ -260,12 +260,12 @@ func toGroupVersionInfos(groupVersionKinds map[parser.Group]map[types.PackageVer
 }
 
 // adapted from https://github.com/kubernetes/kubernetes/blob/8f269d6df2a57544b73d5ca35e04451373ef334c/staging/src/k8s.io/code-generator/cmd/client-gen/types/helpers.go#L87-L103
-func toGroupVersionInfo(group parser.Group, version types.PackageVersion) types.GroupVersionInfo {
-	return types.GroupVersionInfo{
+func toGroupVersionInfo(group parser.Group, version types.PackageVersion) parser.Group {
+	return parser.Group{
 		Group:                group.Group,
-		Version:              types.Version(namer.IC(version.Version.String())),
-		PackageAlias:         strings.ToLower(group.GoName + version.Version.NonEmpty()),
-		GroupGoName:          group.GoName,
-		LowerCaseGroupGoName: namer.IL(group.GoName),
+		PackageAlias:         strings.ReplaceAll(strings.ToLower(group.GoName+version.Version.NonEmpty()), "-", ""),
+		Version:              parser.Version(namer.IC(version.Version.String())),
+		GoName:               strings.ReplaceAll(group.GoName, "-", ""),
+		LowerCaseGroupGoName: strings.ReplaceAll(namer.IL(group.GoName), "-", ""),
 	}
 }

pkg/generators/listergen/listergen.go

@@ -86,7 +86,7 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 		for version, kinds := range versions {
 			groupInfo := toGroupVersionInfo(group, version)
 			for _, kind := range kinds {
-				listerDir := filepath.Join("listers", group.PackageName(), version.PackageName())
+				listerDir := filepath.Join("listers", group.PackagePath(), version.PackageName())
 				outputFile := filepath.Join(listerDir, strings.ToLower(kind.String())+".go")
 				logger := klog.Background().WithValues(
 					"group", group.String(),
@@ -126,12 +126,12 @@ func (g Generator) Generate(ctx *genall.GenerationContext) error {
 }
 
 // adapted from https://github.com/kubernetes/kubernetes/blob/8f269d6df2a57544b73d5ca35e04451373ef334c/staging/src/k8s.io/code-generator/cmd/client-gen/types/helpers.go#L87-L103
-func toGroupVersionInfo(group parser.Group, version types.PackageVersion) types.GroupVersionInfo {
-	return types.GroupVersionInfo{
+func toGroupVersionInfo(group parser.Group, version types.PackageVersion) parser.Group {
+	return parser.Group{
 		Group:                group.Group,
-		Version:              types.Version(namer.IC(version.Version.String())),
-		PackageAlias:         strings.ToLower(group.GoName + version.Version.NonEmpty()),
-		GroupGoName:          group.GoName,
-		LowerCaseGroupGoName: namer.IL(group.GoName),
+		Version:              parser.Version(namer.IC(version.Version.String())),
+		PackageAlias:         strings.ReplaceAll(strings.ToLower(group.GoName+version.Version.NonEmpty()), "-", ""),
+		GoName:               strings.ReplaceAll(group.GoName, "-", ""),
+		LowerCaseGroupGoName: strings.ReplaceAll(namer.IL(group.GoName), "-", ""),
 	}
 }

pkg/internal/clientgen/clientset.go

@@ -5,8 +5,7 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
+	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
@@ -15,7 +14,7 @@ type ClientSet struct {
 	Name string
 
 	// Groups are the groups in this client-set.
-	Groups []types.GroupVersionInfo
+	Groups []parser.Group
 
 	// PackagePath is the package under which this client-set will be exposed.
 	// TODO(skuznets) we should be able to figure this out from the output dir, ideally
@@ -38,6 +37,7 @@ func (c *ClientSet) WriteContent(w io.Writer) error {
 
 	m := map[string]interface{}{
 		"name":                           c.Name,
+		"packageName":                    strings.ReplaceAll(c.Name, "-", ""),
 		"packagePath":                    c.PackagePath,
 		"groups":                         c.Groups,
 		"singleClusterClientPackagePath": c.SingleClusterClientPackagePath,
@@ -51,7 +51,7 @@ var clientset = `
 
 // Code generated by kcp code-generator. DO NOT EDIT.
 
-package {{.name}}
+package {{.packageName}}
 
 import (
 	"fmt"
@@ -66,22 +66,22 @@ import (
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/util/flowcontrol"
 
-{{range .groups}}	{{.PackageAlias}} "{{$.packagePath}}/typed/{{.Group.PackageName}}/{{.Version.PackageName}}"
+{{range .groups}}	{{.GoPackageAlias}} "{{$.packagePath}}/typed/{{.Group.PackageName}}/{{.Version.PackageName}}"
 {{end -}}
 )
 
 type ClusterInterface interface {
 	Cluster(logicalcluster.Path) client.Interface
 	Discovery() discovery.DiscoveryInterface
-{{range .groups}}	{{.GroupGoName}}{{.Version}}() {{.PackageAlias}}.{{.GroupGoName}}{{.Version}}ClusterInterface
+{{range .groups}}	{{.GroupGoName}}{{.Version}}() {{.GoPackageAlias}}.{{.GroupGoName}}{{.Version}}ClusterInterface
 {{end -}}
 }
 
 // ClusterClientset contains the clients for groups.
 type ClusterClientset struct {
 	*discovery.DiscoveryClient
 	clientCache kcpclient.Cache[*client.Clientset]
-{{range .groups}}	{{.LowerCaseGroupGoName}}{{.Version}} *{{.PackageAlias}}.{{.GroupGoName}}{{.Version}}ClusterClient
+{{range .groups}}	{{.LowerCaseGroupGoName}}{{.Version}} *{{.GoPackageAlias}}.{{.GroupGoName}}{{.Version}}ClusterClient
 {{end -}}
 }
 

pkg/internal/clientgen/fake_clientset.go

@@ -5,8 +5,7 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
+	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
@@ -15,7 +14,7 @@ type FakeClientset struct {
 	Name string
 
 	// Groups are the groups in this client-set.
-	Groups []types.GroupVersionInfo
+	Groups []parser.Group
 
 	// PackagePath is the package under which this client-set will be exposed.
 	// TODO(skuznets) we should be able to figure this out from the output dir, ideally

pkg/internal/clientgen/fake_group.go

@@ -5,15 +5,13 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
 	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
 type FakeGroup struct {
 	// Group is the group in this client.
-	Group types.GroupVersionInfo
+	Group parser.Group
 
 	// Kinds are the kinds in the group.
 	Kinds []parser.Kind

pkg/internal/clientgen/fake_type.go

@@ -8,15 +8,14 @@ import (
 	"text/template"
 
 	"k8s.io/apimachinery/pkg/util/sets"
-	"k8s.io/code-generator/cmd/client-gen/types"
 
 	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
 type FakeTypedClient struct {
 	// Group is the group in this client.
-	Group types.GroupVersionInfo
+	Group parser.Group
 
 	// Kind is the kinds in this file.
 	Kind parser.Kind

pkg/internal/clientgen/group.go

@@ -5,15 +5,13 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
 	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
 type Group struct {
 	// Group is the group in this client.
-	Group types.GroupVersionInfo
+	Group parser.Group
 
 	// Kinds are the kinds in the group.
 	Kinds []parser.Kind

pkg/internal/clientgen/scheme.go

@@ -5,14 +5,13 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
+	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
 type Scheme struct {
 	// Groups are the groups in this client-set.
-	Groups []types.GroupVersionInfo
+	Groups []parser.Group
 
 	// APIPackagePath is the root directory under which API types exist.
 	// e.g. "k8s.io/api"
@@ -51,15 +50,15 @@ import (
 	"k8s.io/apimachinery/pkg/runtime/serializer"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 
-{{range .groups}}	{{.PackageAlias}} "{{$.apiPackagePath}}/{{.Group.PackageName}}/{{.Version.PackageName}}"
+{{range .groups}}	{{.GoPackageAlias}} "{{$.apiPackagePath}}/{{.Group.PackageName}}/{{.Version.PackageName}}"
 {{end -}}
 )
 
 var Scheme = runtime.NewScheme()
 var Codecs = serializer.NewCodecFactory(Scheme)
 var ParameterCodec = runtime.NewParameterCodec(Scheme)
 var localSchemeBuilder = runtime.SchemeBuilder{
-{{range .groups}}	{{.PackageAlias}}.AddToScheme,
+{{range .groups}}	{{.GoPackageAlias}}.AddToScheme,
 {{end -}}
 }
 

pkg/internal/clientgen/type.go

@@ -5,15 +5,13 @@ import (
 	"strings"
 	"text/template"
 
-	"k8s.io/code-generator/cmd/client-gen/types"
-
 	"github.com/kcp-dev/code-generator/v2/pkg/parser"
 	"github.com/kcp-dev/code-generator/v2/pkg/util"
 )
 
 type TypedClient struct {
 	// Group is the group in this client.
-	Group types.GroupVersionInfo
+	Group parser.Group
 
 	// Kind is the kinds in this file.
 	Kind parser.Kind
@@ -62,10 +60,10 @@ import (
 	"context"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/watch"
-	{{.group.PackageAlias}} "{{.apiPackagePath}}/{{.group.Group.PackageName}}/{{.group.Version.PackageName}}"
+	{{.group.GoPackageAlias}} "{{.apiPackagePath}}/{{.group.Group.PackageName}}/{{.group.Version.PackageName}}"
 {{end}}
 
-	{{.group.PackageAlias}}client "{{.singleClusterClientPackagePath}}/typed/{{.group.Group.PackageName}}/{{.group.Version.PackageName}}"
+	{{.group.GoPackageAlias}}client "{{.singleClusterClientPackagePath}}/typed/{{.group.Group.PackageName}}/{{.group.Version.PackageName}}"
 )
 
 // {{.kind.Plural}}ClusterGetter has a method to return a {{.kind.String}}ClusterInterface.

pkg/internal/informergen/factory.go

@@ -92,7 +92,7 @@ import (
 	upstreaminformers "{{.singleClusterInformerPackagePath}}"
 	{{end -}}
 
-{{range .groups}}	{{.Group.PackageName}}informers "{{$.packagePath}}/{{.Group.PackageName}}"
+{{range .groups}}	{{.PackageName}}informers "{{$.packagePath}}/{{.Group.PackageName}}"
 {{end -}}
 
 	"{{.packagePath}}/internalinterfaces"
@@ -329,12 +329,12 @@ type SharedInformerFactory interface {
 	// InformerFor returns the SharedIndexInformer for obj.
 	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) kcpcache.ScopeableSharedIndexInformer
 
-{{range .groups}}	{{.GoName}}() {{.Group.PackageName}}informers.ClusterInterface
+{{range .groups}}	{{.GroupGoName}}() {{.PackageName}}informers.ClusterInterface
 {{end -}}
 }
 
 {{range .groups}}
-func (f *sharedInformerFactory) {{.GoName}}() {{.Group.PackageName}}informers.ClusterInterface {
+func (f *sharedInformerFactory) {{.GroupGoName}}() {{.PackageName}}informers.ClusterInterface {
   return {{.Group.PackageName}}informers.New(f, f.tweakListOptions)
 }
 {{end}}
@@ -485,13 +485,13 @@ type SharedScopedInformerFactory interface {
 	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
 	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
 
-{{range .groups}}	{{.GoName}}() {{.Group.PackageName}}informers.Interface
+{{range .groups}}	{{.GroupGoName}}() {{.PackageName}}informers.Interface
 {{end -}}
 }
 
 
 {{range .groups}}
-func (f *sharedScopedInformerFactory) {{.GoName}}() {{.Group.PackageName}}informers.Interface {
+func (f *sharedScopedInformerFactory) {{.GroupGoName}}() {{.PackageName}}informers.Interface {
   return {{.Group.PackageName}}informers.NewScoped(f, f.namespace, f.tweakListOptions)
 }
 {{end}}

pkg/internal/informergen/generic.go

@@ -27,10 +27,10 @@ import (
 
 type Generic struct {
 	// Groups are the groups in this informer factory.
-	Groups []types.GroupVersionInfo
+	Groups []parser.Group
 
 	// GroupVersionKinds are all the kinds we need to support,indexed by group and version.
-	GroupVersionKinds map[types.Group]map[types.Version][]parser.Kind
+	GroupVersionKinds map[types.Group]map[parser.Version][]parser.Kind
 
 	// APIPackagePath is the root directory under which API types exist.
 	// e.g. "k8s.io/api"
@@ -78,7 +78,7 @@ import (
 	upstreaminformers "{{.singleClusterInformerPackagePath}}"
 	{{end -}}
 
-{{range .groups}}	{{.PackageAlias}} "{{$.apiPackagePath}}/{{.Group.PackageName}}/{{.Version.PackageName}}"
+{{range .groups}}	{{.GoPackageAlias}} "{{$.apiPackagePath}}/{{.Group.PackageName}}/{{.Version.PackageName}}"
 {{end -}}
 )
 

pkg/internal/informergen/groupinterface.go

@@ -18,6 +18,7 @@ package informergen
 
 import (
 	"io"
+	"strings"
 	"text/template"
 
 	"k8s.io/code-generator/cmd/client-gen/types"
@@ -49,6 +50,7 @@ func (g GroupInterface) WriteContent(w io.Writer) error {
 
 	m := map[string]interface{}{
 		"group":                 g.Group,
+		"packageName":           strings.ReplaceAll(g.Group.PackageName(), "-", ""),
 		"packagePath":           g.PackagePath,
 		"versions":              g.Versions,
 		"useUpstreamInterfaces": g.UseUpstreamInterfaces,
@@ -62,7 +64,7 @@ var groupInterface = `
 
 // Code generated by kcp code-generator. DO NOT EDIT.
 
-package {{.group.Group.PackageName}}
+package {{.packageName}}
 
 import (
 {{range .versions}}	"{{$.packagePath}}/{{$.group.Group.PackageName}}/{{.PackageName}}"