From 12c5274718b978df487189632932baab2190b6c8 Mon Sep 17 00:00:00 2001
From: Maxim Goncharenko <kacejot@fex.net>
Date: Fri, 17 May 2019 14:51:54 +0300
Subject: [PATCH] I have applied notes from review

---
 pkg/engine/validation.go | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/pkg/engine/validation.go b/pkg/engine/validation.go
index b218823ea4..2927fe0c3a 100644
--- a/pkg/engine/validation.go
+++ b/pkg/engine/validation.go
@@ -73,7 +73,13 @@ func Validate(policy kubepolicy.Policy, rawResource []byte, gvk metav1.GroupVers
 }
 
 func validateMap(resourcePart, patternPart interface{}) bool {
-	pattern := patternPart.(map[string]interface{})
+	pattern, ok := patternPart.(map[string]interface{})
+
+	if !ok {
+		fmt.Printf("Validating error: expected Map, found %T\n", patternPart)
+		return false
+	}
+
 	resource, ok := resourcePart.(map[string]interface{})
 
 	if !ok {
@@ -95,7 +101,13 @@ func validateMap(resourcePart, patternPart interface{}) bool {
 }
 
 func validateArray(resourcePart, patternPart interface{}) bool {
-	patternArray := patternPart.([]interface{})
+	patternArray, ok := patternPart.([]interface{})
+
+	if !ok {
+		fmt.Printf("Validating error: expected array, found %T\n", patternPart)
+		return false
+	}
+
 	resourceArray, ok := resourcePart.([]interface{})
 
 	if !ok {