From 877f605dc0d5d047bf311e7d5d38dfc6e99b8cb5 Mon Sep 17 00:00:00 2001
From: Brendan Burns <bburns@google.com>
Date: Tue, 24 Feb 2015 20:15:17 -0800
Subject: [PATCH] Add specific errors for missing kind and version.

---
 pkg/conversion/error.go | 32 ++++++++++++++++++++++++++++++++
 pkg/runtime/error.go    | 12 ++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/pkg/conversion/error.go b/pkg/conversion/error.go
index 7ee24ee4380..1c053c3eaae 100644
--- a/pkg/conversion/error.go
+++ b/pkg/conversion/error.go
@@ -49,3 +49,35 @@ func IsNotRegisteredError(err error) bool {
 	_, ok := err.(*notRegisteredErr)
 	return ok
 }
+
+type missingKindErr struct {
+	data string
+}
+
+func (k *missingKindErr) Error() string {
+	return fmt.Sprintf("Object 'Kind' is missing in '%s'", k.data)
+}
+
+func IsMissingKind(err error) bool {
+	if err == nil {
+		return false
+	}
+	_, ok := err.(*missingKindErr)
+	return ok
+}
+
+type missingVersionErr struct {
+	data string
+}
+
+func (k *missingVersionErr) Error() string {
+	return fmt.Sprintf("Object 'apiVersion' is missing in '%s'", k.data)
+}
+
+func IsMissingVersion(err error) bool {
+	if err == nil {
+		return false
+	}
+	_, ok := err.(*missingVersionErr)
+	return ok
+}
diff --git a/pkg/runtime/error.go b/pkg/runtime/error.go
index a84fe6ae9f3..e49dfe8f22e 100644
--- a/pkg/runtime/error.go
+++ b/pkg/runtime/error.go
@@ -25,3 +25,15 @@ import (
 func IsNotRegisteredError(err error) bool {
 	return conversion.IsNotRegisteredError(err)
 }
+
+// IsMissingKind returns true if the error indicates that the provided object
+// is missing a 'Kind' field.
+func IsMissingKind(err error) bool {
+	return conversion.IsMissingKind(err)
+}
+
+// IsMissingVersion returns true if the error indicates that the provided object
+// is missing a 'Versioj' field.
+func IsMissingVersion(err error) bool {
+	return conversion.IsMissingVersion(err)
+}