Add ConfigMapGenerator and test.

plugin/builtin/ConfigMapGenerator.go

@@ -0,0 +1,32 @@
+// +build plugin
+
+package main
+
+import (
+	"sigs.k8s.io/kustomize/pkg/ifc"
+	"sigs.k8s.io/kustomize/pkg/resmap"
+	"sigs.k8s.io/kustomize/pkg/types"
+)
+
+type plugin struct {
+	ldr     ifc.Loader
+	rf      *resmap.Factory
+	options types.GeneratorOptions
+	args    types.ConfigMapArgs
+}
+
+var KustomizePlugin plugin
+
+func (p *plugin) Config(
+	ldr ifc.Loader, rf *resmap.Factory, k ifc.Kunstructured) (err error) {
+	p.ldr = ldr
+	p.rf = rf
+	p.args.GeneratorArgs, err = resmap.GeneratorArgsFromKunstruct(k)
+	return
+}
+
+func (p *plugin) Generate() (resmap.ResMap, error) {
+	argsList := make([]types.ConfigMapArgs, 1)
+	argsList[0] = p.args
+	return p.rf.NewResMapFromConfigMapArgs(p.ldr, &p.options, argsList)
+}