Enable jsonpath transformers in application

pkg/app/application.go

@@ -22,7 +22,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"log"
 
 	"github.com/ghodss/yaml"
 	"github.com/golang/glog"
@@ -34,6 +33,7 @@ import (
 	interror "github.com/kubernetes-sigs/kustomize/pkg/internal/error"
 	"github.com/kubernetes-sigs/kustomize/pkg/loader"
 	"github.com/kubernetes-sigs/kustomize/pkg/patch"
+	patchtransformer "github.com/kubernetes-sigs/kustomize/pkg/patch/transformer"
 	"github.com/kubernetes-sigs/kustomize/pkg/resmap"
 	"github.com/kubernetes-sigs/kustomize/pkg/resource"
 	"github.com/kubernetes-sigs/kustomize/pkg/transformers"
@@ -63,9 +63,6 @@ func NewApplication(ldr loader.Loader, fSys fs.FileSystem) (*Application, error)
 	if err != nil {
 		return nil, err
 	}
-	if m.PatchesJson6902 != nil {
-		log.Printf("field patchesJson6902 ignored; no implementation yet.")
-	}
 	return &Application{kustomization: &m, ldr: ldr, fSys: fSys}, nil
 }
 
@@ -170,6 +167,11 @@ func (a *Application) loadCustomizedResMap() (resmap.ResMap, error) {
 		return nil, err
 	}
 	r = append(r, t)
+	t, err = patchtransformer.NewPatchJson6902Factory(a.ldr).MakePatchJson6902Transformer(a.kustomization.PatchesJson6902)
+	if err != nil {
+		return nil, err
+	}
+	r = append(r, t)
 	t, err = transformers.NewImageTagTransformer(a.kustomization.ImageTags)
 	if err != nil {
 		return nil, err

pkg/app/application_test.go

@@ -54,6 +54,13 @@ secretGenerator:
     DB_USERNAME: "printf admin"
     DB_PASSWORD: "printf somepw"
   type: Opaque
+patchesJson6902:
+- target:
+    group: apps
+    version: v1
+    kind: Deployment
+    name: dply1
+  path: jsonpatch.json
 `
 	kustomizationContent2 = `
 secretGenerator:
@@ -73,6 +80,9 @@ kind: Namespace
 metadata:
   name: ns1
 `
+	jsonpatchContent = `[
+    {"op": "add", "path": "/spec/replica", "value": "3"}
+]`
 )
 
 func makeLoader1(t *testing.T) loader.Loader {
@@ -89,6 +99,10 @@ func makeLoader1(t *testing.T) loader.Loader {
 	if err != nil {
 		t.Fatalf("Failed to setup fake ldr.")
 	}
+	err = ldr.AddFile("/testpath/jsonpatch.json", []byte(jsonpatchContent))
+	if err != nil {
+		t.Fatalf("Failed to setup fake ldr.")
+	}
 	return ldr
 }
 
@@ -114,6 +128,7 @@ func TestResources1(t *testing.T) {
 					},
 				},
 				"spec": map[string]interface{}{
+					"replica": "3",
 					"selector": map[string]interface{}{
 						"matchLabels": map[string]interface{}{
 							"app": "nginx",

pkg/commands/kustomizationfile.go

@@ -48,6 +48,7 @@ var (
 		"CommonAnnotations",
 		"Patches",
 		"PatchesStrategicMerge",
+		"PatchesJson6902",
 		"ConfigMapGenerator",
 		"SecretGenerator",
 		"Vars",