From b7ce760cf80c9917270f830b9589e948e085144d Mon Sep 17 00:00:00 2001
From: Phillip Wittrock <pwittroc@google.com>
Date: Thu, 18 Jan 2018 17:11:45 -0800
Subject: [PATCH] Fix issues creating fields of Pointers,Slices, and Maps of
 types in other packages

---
 cmd/apiregister-gen/generators/parser.go      | 71 ++++++++++++-------
 .../pkg/apis/innsmouth/v1/deepone_types.go    | 11 ++-
 2 files changed, 56 insertions(+), 26 deletions(-)

diff --git a/cmd/apiregister-gen/generators/parser.go b/cmd/apiregister-gen/generators/parser.go
index cc0b356615..91712ec63a 100644
--- a/cmd/apiregister-gen/generators/parser.go
+++ b/cmd/apiregister-gen/generators/parser.go
@@ -685,33 +685,56 @@ func (apigroup *APIGroup) DoType(t *types.Type) (*Struct, []*types.Type) {
 					default:
 						// Use unversioned types for everything else
 						t := member.Type
-						hasElem := false
+
 						if t.Elem != nil {
-							// Handle Pointers, Maps, Slices correctly
+							// Handle Pointers, Maps, Slices
+
+							// We need to parse the package from the Type String
 							t = t.Elem
-							hasElem = true
-						}
-						// Come up with the alias the package is imported under
-						// Concatenate with directory package to reduce naming collisions
-						uImportName := path.Base(path.Dir(t.Name.Package)) + path.Base(t.Name.Package)
-
-                        // Create the import statement
-						uImport = fmt.Sprintf("%s \"%s\"", uImportName, t.Name.Package)
-
-						// Create the field type name - should be <pkgalias>.<TypeName>
-						uType = uImportName + "." + t.Name.Name
-						if hasElem {
-							uType = strings.Replace(member.Type.String(), path.Dir(uImport)+"/", "", 1)
-							uType = strings.Replace(uType, "/"+path.Base(t.Name.Package), "", 1)
+							str := member.Type.String()
+							startPkg := strings.LastIndexAny(str, "*]")
+							endPkg := strings.LastIndexAny(str, ".")
+							pkg := str[startPkg+1 : endPkg]
+							name := str[endPkg+1:]
+							prefix := str[:startPkg+1]
+
+							uImportBase := path.Base(pkg)
+							uImportName := path.Base(path.Dir(pkg)) + uImportBase
+							uImport = fmt.Sprintf("%s \"%s\"", uImportName, pkg)
+
+							uType = prefix + uImportName + "." + name
+
+							fmt.Printf("\nDifferent Parent Package: %s\nChild Package: %s\nKind: %s (Kind.String() %s)\nImport stmt: %s\nType: %s\n\n",
+								pkg,
+								member.Type.Name.Package,
+								member.Type.Kind,
+								member.Type.String(),
+								uImport,
+								uType)
+						} else {
+							// Handle non- Pointer, Maps, Slices
+							pkg := t.Name.Package
+							name := t.Name.Name
+
+							// Come up with the alias the package is imported under
+							// Concatenate with directory package to reduce naming collisions
+							uImportBase := path.Base(pkg)
+							uImportName := path.Base(path.Dir(pkg)) + uImportBase
+
+							// Create the import statement
+							uImport = fmt.Sprintf("%s \"%s\"", uImportName, pkg)
+
+							// Create the field type name - should be <pkgalias>.<TypeName>
+							uType = uImportName + "." + name
+
+							fmt.Printf("\nDifferent Parent Package: %s\nChild Package: %s\nKind: %s (Kind.String() %s)\nImport stmt: %s\nType: %s\n\n",
+								pkg,
+								member.Type.Name.Package,
+								member.Type.Kind,
+								member.Type.String(),
+								uImport,
+								uType)
 						}
-						fmt.Printf("\nDifferent Package Parent Package: %s\nChild Package: %s\nName: %s : %s : %s\n%s %s : %s\n\n",
-						    t.Name.Package,
-                            member.Type.Name.Package,
-                            member.Type.Kind,
-                            member.Type.String(),
-                            path.Dir(uImport),
-                            uImportName, uImport,
-                            uType)
 					}
 				}
 			}
diff --git a/example/pkg/apis/innsmouth/v1/deepone_types.go b/example/pkg/apis/innsmouth/v1/deepone_types.go
index 0918d3768a..14213ef133 100644
--- a/example/pkg/apis/innsmouth/v1/deepone_types.go
+++ b/example/pkg/apis/innsmouth/v1/deepone_types.go
@@ -17,8 +17,8 @@ limitations under the License.
 package v1
 
 import (
+	"github.com/kubernetes-incubator/apiserver-builder/example/pkg/apis/innsmouth/common"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-    "github.com/kubernetes-incubator/apiserver-builder/example/pkg/apis/innsmouth/common"
 )
 
 // +genclient
@@ -48,7 +48,14 @@ type DeepOneSpec struct {
 	SamplePointerMap  map[string]*SampleMapPointerElem `json:"sample_pointer_map,omitempty"`
 
 	// Example of using a constant
-	Const common.CustomType `json:"const,omitempty"`
+	Const      common.CustomType            `json:"const,omitempty"`
+	ConstPtr   *common.CustomType           `json:"constPtr,omitempty"`
+	ConstSlice []common.CustomType          `json:"constSlice,omitempty"`
+	ConstMap   map[string]common.CustomType `json:"constMap,omitempty"`
+
+	// TODO: Fix issues with deep copy to make these work
+	//ConstSlicePtr []*common.CustomType          `json:"constSlicePtr,omitempty"`
+	//ConstMapPtr map[string]*common.CustomType `json:"constMapPtr,omitempty"`
 }
 
 type SampleListElem struct {