From 139e59eeb26d92a8f2ed93400c7917623ad5fcdf Mon Sep 17 00:00:00 2001
From: fanmin shi <fanmin.shi@coreos.com>
Date: Wed, 21 Feb 2018 16:30:53 -0800
Subject: [PATCH] pkg/generator: auto-gen for apis/../types.go

---
 pkg/generator/apis_tmpls.go     | 33 +++++++++++++++++++++++++++++++++
 pkg/generator/gen_apis_types.go | 28 ++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 pkg/generator/gen_apis_types.go

diff --git a/pkg/generator/apis_tmpls.go b/pkg/generator/apis_tmpls.go
index 88ffb46510..2074f3c0d4 100644
--- a/pkg/generator/apis_tmpls.go
+++ b/pkg/generator/apis_tmpls.go
@@ -37,3 +37,36 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 	return nil
 }
 `
+
+const apisTypesTmpl = `package {{.Version}}
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type {{.Kind}}List struct {
+	metav1.TypeMeta ` + "`" + `json:",inline"` + "`\n" +
+	`	metav1.ListMeta ` + "`" + `json:"metadata"` + "`\n" +
+	`	Items           []{{.Kind}} ` + "`" + `json:"items"` + "`\n" +
+	`}` + "\n" +
+	`
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+type {{.Kind}} struct {
+	metav1.TypeMeta   ` + "`" + `json:",inline"` + "`\n" +
+	`	metav1.ObjectMeta ` + "`" + `json:"metadata"` + "`\n" +
+	`	Spec              {{.Kind}}Spec   ` + "`" + `json:"spec"` + "`\n" +
+	`	Status            {{.Kind}}Status ` + "`" + `json:"status,omitempty"` + "`\n" +
+	`}` + "\n" +
+	`
+type {{.Kind}}Spec struct {
+	Replica int32 ` + "`" + `json:"replica,omitempty"` + "`\n" +
+	`	// Fills me ` + "\n" +
+	`}` + "\n" +
+	`
+type {{.Kind}}Status struct {
+	// Fills me
+}
+`
diff --git a/pkg/generator/gen_apis_types.go b/pkg/generator/gen_apis_types.go
new file mode 100644
index 0000000000..7c268a742e
--- /dev/null
+++ b/pkg/generator/gen_apis_types.go
@@ -0,0 +1,28 @@
+package generator
+
+import (
+	"io"
+	"text/template"
+)
+
+// Types contains all the customized data needed to generate apis/../types.go
+// for a new operator when pairing with apisTypesTmpl template.
+type Types struct {
+	Version string
+	Kind    string
+}
+
+// renderApisTypes generates the apis/../types.go file.
+func renderApisTypes(w io.Writer, kind, version string) error {
+	t := template.New("apis/../types.go")
+	t, err := t.Parse(apisTypesTmpl)
+	if err != nil {
+		return err
+	}
+
+	types := Types{
+		Version: version,
+		Kind:    kind,
+	}
+	return t.Execute(w, types)
+}