Start pluglib, a set of public, plugin specific functions.

plugin/someteam.example.com/v1/someservicegenerator/SomeServiceGenerator.go

@@ -7,7 +7,6 @@ import (
 	"bytes"
 	"text/template"
 
-	"sigs.k8s.io/kustomize/v3/pkg/ifc"
 	"sigs.k8s.io/kustomize/v3/pkg/resmap"
 	"sigs.k8s.io/kustomize/v3/pkg/types"
 	"sigs.k8s.io/yaml"
@@ -39,9 +38,8 @@ spec:
     app: dev
 `
 
-func (p *plugin) Config(
-	_ ifc.Loader, rf *resmap.Factory, config []byte) error {
-	p.rf = rf
+func (p *plugin) Config(h *resmap.PluginHelpers, config []byte) error {
+	p.rf = h.ResmapFactory()
 	return yaml.Unmarshal(config, p)
 }
 

plugin/someteam.example.com/v1/someservicegenerator/SomeServiceGenerator_test.go

@@ -6,12 +6,13 @@ package main_test
 import (
 	"testing"
 
+	"sigs.k8s.io/kustomize/v3/pluglib"
+
 	"sigs.k8s.io/kustomize/v3/pkg/kusttest"
-	"sigs.k8s.io/kustomize/v3/pkg/plugins/testenv"
 )
 
 func TestSomeServiceGeneratorPlugin(t *testing.T) {
-	tc := testenv.NewEnvForTest(t).Set()
+	tc := pluglib.NewEnvForTest(t).Set()
 	defer tc.Reset()
 
 	tc.BuildGoPlugin(