added resourcegen

plugin/builtin/resourcegenerator/resourcegenerator.go

@@ -0,0 +1,47 @@
+package main
+
+
+import (
+	"sigs.k8s.io/kustomize/api/kv"
+	"sigs.k8s.io/kustomize/api/resmap"
+	"sigs.k8s.io/kustomize/api/resource"
+	"sigs.k8s.io/kustomize/api/types"
+	"sigs.k8s.io/yaml"
+)
+
+type plugin struct {
+	h                *resmap.PluginHelpers
+	types.ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	Resources        []string `json:"resources,omitempty" yaml:"resources,omitempty" protobuf:"bytes,2,opt,name=resources"`
+}
+
+var KustomizePlugin plugin //nolint:gochecknoglobals
+
+func (p *plugin) Config(h *resmap.PluginHelpers, config []byte) (err error) {
+	p.Resources = []string{}
+	err = yaml.Unmarshal(config, p)
+	p.h = h
+	return
+}
+
+func (p *plugin) Generate() (resmap.ResMap, error) {
+	var resList []resmap.ResMap
+
+	for _, resourcePath := range p.Resources {
+		resources, err := p.h.ResmapFactory().FromFiles(resourcePath)
+		if err != nil {
+			return nil, err
+		}
+		resList = append(resList, resources)
+	}
+
+	mergedResMap := resmap.ResMap
+	for _, resMap := range resList {
+		err := mergedResMap.Append(resMap)
+		if err != nil {
+			return nil, err
+			}
+	}
+
+	return mergedResMap, nil
+}