Add KustFactory as a wrapper of all factories

internal/k8sdeps/factory.go

@@ -0,0 +1,29 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+ Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+     http://www.apache.org/licenses/LICENSE-2.0
+ Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package k8sdeps
+
+import (
+	"sigs.k8s.io/kustomize/internal/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/internal/k8sdeps/transformer"
+	"sigs.k8s.io/kustomize/internal/k8sdeps/validator"
+	"sigs.k8s.io/kustomize/pkg/factory"
+)
+
+// NewFactory creates an instance of KustFactory using k8sdeps factories
+func NewFactory() *factory.KustFactory {
+	return factory.NewKustFactory(
+		kunstruct.NewKunstructuredFactoryImpl(),
+		validator.NewKustValidator(),
+		transformer.NewFactoryImpl(),
+	)
+}

kustomize.go

@@ -20,19 +20,14 @@ import (
 	"os"
 
 	"github.com/golang/glog"
-	"sigs.k8s.io/kustomize/internal/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/internal/k8sdeps/transformer"
-	"sigs.k8s.io/kustomize/internal/k8sdeps/validator"
+	"sigs.k8s.io/kustomize/internal/k8sdeps"
 	"sigs.k8s.io/kustomize/pkg/commands"
 )
 
 func main() {
 	defer glog.Flush()
 
-	if err := commands.NewDefaultCommand(
-		kunstruct.NewKunstructuredFactoryImpl(),
-		transformer.NewFactoryImpl(),
-		validator.NewKustValidator()).Execute(); err != nil {
+	if err := commands.NewDefaultCommand(k8sdeps.NewFactory()).Execute(); err != nil {
 		os.Exit(1)
 	}
 	os.Exit(0)

pkg/commands/build/build.go

@@ -24,11 +24,9 @@ import (
 	"github.com/spf13/cobra"
 	"sigs.k8s.io/kustomize/pkg/constants"
 	"sigs.k8s.io/kustomize/pkg/fs"
-	"sigs.k8s.io/kustomize/pkg/ifc"
 	"sigs.k8s.io/kustomize/pkg/ifc/transformer"
 	"sigs.k8s.io/kustomize/pkg/loader"
 	"sigs.k8s.io/kustomize/pkg/resmap"
-	"sigs.k8s.io/kustomize/pkg/resource"
 	"sigs.k8s.io/kustomize/pkg/target"
 	"sigs.k8s.io/kustomize/pkg/transformers/config"
 )
@@ -62,7 +60,7 @@ Use different transformer configurations by passing files to kustomize
 // NewCmdBuild creates a new build command.
 func NewCmdBuild(
 	out io.Writer, fs fs.FileSystem,
-	kf ifc.KunstructuredFactory,
+	rf *resmap.Factory,
 	ptf transformer.Factory) *cobra.Command {
 	var o buildOptions
 	var p string
@@ -77,7 +75,7 @@ func NewCmdBuild(
 			if err != nil {
 				return err
 			}
-			return o.RunBuild(out, fs, kf, ptf)
+			return o.RunBuild(out, fs, rf, ptf)
 		},
 	}
 	cmd.Flags().StringVarP(
@@ -122,7 +120,7 @@ func (o *buildOptions) Validate(args []string, p string, fs fs.FileSystem) error
 // RunBuild runs build command.
 func (o *buildOptions) RunBuild(
 	out io.Writer, fSys fs.FileSystem,
-	kf ifc.KunstructuredFactory,
+	rf *resmap.Factory,
 	ptf transformer.Factory) error {
 	rootLoader, err := loader.NewLoader(o.kustomizationPath, "", fSys)
 	if err != nil {
@@ -135,7 +133,7 @@ func (o *buildOptions) RunBuild(
 	defer rootLoader.Cleanup()
 	kt, err := target.NewKustTarget(
 		rootLoader, fSys,
-		resmap.NewFactory(resource.NewFactory(kf)),
+		rf,
 		ptf, tc)
 	if err != nil {
 		return err

pkg/commands/build/build_test.go

@@ -26,8 +26,7 @@ import (
 	"testing"
 
 	"github.com/ghodss/yaml"
-	"sigs.k8s.io/kustomize/internal/k8sdeps/kunstruct"
-	"sigs.k8s.io/kustomize/internal/k8sdeps/transformer"
+	"sigs.k8s.io/kustomize/internal/k8sdeps"
 	"sigs.k8s.io/kustomize/pkg/commands/kustfile"
 	"sigs.k8s.io/kustomize/pkg/constants"
 	"sigs.k8s.io/kustomize/pkg/fs"
@@ -129,10 +128,11 @@ func runBuildTestCase(t *testing.T, testcaseName string, updateKustomizeExpected
 		kustomizationPath: testcase.Filename,
 	}
 	buf := bytes.NewBuffer([]byte{})
+	f := k8sdeps.NewFactory()
 	err = ops.RunBuild(
 		buf, fSys,
-		kunstruct.NewKunstructuredFactoryImpl(),
-		transformer.NewFactoryImpl())
+		f.ResmapF,
+		f.TransformerF)
 	switch {
 	case err != nil && len(testcase.ExpectedError) == 0:
 		t.Errorf("unexpected error: %v", err)

pkg/commands/commands.go

@@ -25,15 +25,12 @@ import (
 	"sigs.k8s.io/kustomize/pkg/commands/build"
 	"sigs.k8s.io/kustomize/pkg/commands/edit"
 	"sigs.k8s.io/kustomize/pkg/commands/misc"
+	"sigs.k8s.io/kustomize/pkg/factory"
 	"sigs.k8s.io/kustomize/pkg/fs"
-	"sigs.k8s.io/kustomize/pkg/ifc"
-	"sigs.k8s.io/kustomize/pkg/ifc/transformer"
 )
 
 // NewDefaultCommand returns the default (aka root) command for kustomize command.
-func NewDefaultCommand(
-	kf ifc.KunstructuredFactory, ptf transformer.Factory,
-	validator ifc.Validator) *cobra.Command {
+func NewDefaultCommand(f *factory.KustFactory) *cobra.Command {
 	fsys := fs.MakeRealFS()
 	stdOut := os.Stdout
 
@@ -49,8 +46,8 @@ See https://sigs.k8s.io/kustomize
 
 	c.AddCommand(
 		// TODO: Make consistent API for newCmd* functions.
-		build.NewCmdBuild(stdOut, fsys, kf, ptf),
-		edit.NewCmdEdit(fsys, validator, kf),
+		build.NewCmdBuild(stdOut, fsys, f.ResmapF, f.TransformerF),
+		edit.NewCmdEdit(fsys, f.ValidatorF, f.UnstructF),
 		misc.NewCmdConfig(fsys),
 		misc.NewCmdVersion(stdOut),
 	)

pkg/factory/factory.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+ Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+     http://www.apache.org/licenses/LICENSE-2.0
+ Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+// Package factory provides factories for kustomize.
+package factory
+
+import (
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/ifc/transformer"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
+)
+
+// KustFactory provides different factories for kustomize
+type KustFactory struct {
+	ResmapF      *resmap.Factory
+	TransformerF transformer.Factory
+	ValidatorF   ifc.Validator
+	UnstructF    ifc.KunstructuredFactory
+}
+
+// NewKustFactory creats a KustFactory instance
+func NewKustFactory(u ifc.KunstructuredFactory, v ifc.Validator, t transformer.Factory) *KustFactory {
+	return &KustFactory{
+		ResmapF:      resmap.NewFactory(resource.NewFactory(u)),
+		TransformerF: t,
+		ValidatorF:   v,
+		UnstructF:    u,
+	}
+}