Remove some duped code.

plugins/someteam.example.com/v1/DatePrefixer.go

@@ -13,7 +13,7 @@ import (
 
 type plugin struct{}
 
-var Transformer plugin
+var KustomizePlugin plugin
 
 func (p *plugin) Config(k ifc.Kunstructured) error {
 	return nil

plugins/someteam.example.com/v1/ServiceGenerator.go

@@ -0,0 +1,59 @@
+// +build plugin
+
+package main
+
+import (
+	"bytes"
+	"text/template"
+
+	"sigs.k8s.io/kustomize/k8sdeps/kunstruct"
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/resource"
+)
+
+type plugin struct {
+	ServiceName string
+	Port        string
+}
+
+var KustomizePlugin plugin
+
+var manifest = `
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: dev
+  name: {{.ServiceName}}
+spec:
+  ports:
+  - port: {{.Port}}
+  selector:
+    app: dev
+`
+
+func (p *plugin) Config(k ifc.Kunstructured) error {
+	var err error
+	p.ServiceName, err = k.GetFieldValue("service")
+	if err != nil {
+		return err
+	}
+	p.Port, err = k.GetFieldValue("port")
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (p *plugin) Generate() (resmap.ResMap, error) {
+	var buf bytes.Buffer
+
+	temp := template.Must(template.New("manifest").Parse(manifest))
+	err := temp.Execute(&buf, p)
+	if err != nil {
+		return nil, err
+	}
+	rf := resmap.NewFactory(resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl()))
+	return rf.NewResMapFromBytes(buf.Bytes())
+}

plugins/someteam.example.com/v1/StringPrefixer.go

@@ -18,11 +18,11 @@ import (
 	"sigs.k8s.io/kustomize/pkg/transformers/config"
 )
 
-type plugin struct{
+type plugin struct {
 	prefix string
 }
 
-var Transformer plugin
+var KustomizePlugin plugin
 
 func (p *plugin) Config(k ifc.Kunstructured) error {
 	var err error

plugins/someteam.example.com/v1/kvMaker.go

@@ -1,24 +1,27 @@
 // +build plugin
 
 package main
+
 var database = map[string]string{
-  "TREE":      "oak",
-  "ROCKET":    "Saturn V",
-  "FRUIT":     "apple",
-  "VEGETABLE": "carrot",
-  "SIMPSON":   "homer",
+	"TREE":      "oak",
+	"ROCKET":    "Saturn V",
+	"FRUIT":     "apple",
+	"VEGETABLE": "carrot",
+	"SIMPSON":   "homer",
 }
 
 type plugin struct{}
+
 var KVSource plugin
+
 func (p plugin) Get(
-    root string, args []string) (map[string]string, error) {
-  r := make(map[string]string)
-  for _, k := range args {
-    v, ok := database[k]
-    if ok {
-      r[k] = v
-    }
-  }
-  return r, nil
+	root string, args []string) (map[string]string, error) {
+	r := make(map[string]string)
+	for _, k := range args {
+		v, ok := database[k]
+		if ok {
+			r[k] = v
+		}
+	}
+	return r, nil
 }