From e3a8cabe8d3e676a9d01cc6be2d91b75ee304a4e Mon Sep 17 00:00:00 2001
From: Shuting Zhao <shutting06@gmail.com>
Date: Fri, 20 Dec 2019 18:51:07 -0800
Subject: [PATCH] add omitempty to types

---
 pkg/api/kyverno/v1/types.go | 52 ++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 26 deletions(-)

diff --git a/pkg/api/kyverno/v1/types.go b/pkg/api/kyverno/v1/types.go
index 071279134a..91ae2433e9 100644
--- a/pkg/api/kyverno/v1/types.go
+++ b/pkg/api/kyverno/v1/types.go
@@ -56,13 +56,13 @@ type PolicyViolationList struct {
 type Policy struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
-	Spec              Spec         `json:"spec"`
+	Spec              Spec         `json:"spec,omitempty"`
 	Status            PolicyStatus `json:"status"`
 }
 
 // Spec describes policy behavior by its rules
 type Spec struct {
-	Rules                   []Rule `json:"rules"`
+	Rules                   []Rule `json:"rules,omitempty"`
 	ValidationFailureAction string `json:"validationFailureAction"`
 }
 
@@ -72,39 +72,39 @@ type Rule struct {
 	Name             string           `json:"name"`
 	MatchResources   MatchResources   `json:"match"`
 	ExcludeResources ExcludeResources `json:"exclude,omitempty"`
-	Mutation         Mutation         `json:"mutate"`
-	Validation       Validation       `json:"validate"`
-	Generation       Generation       `json:"generate"`
+	Mutation         Mutation         `json:"mutate,omitempty"`
+	Validation       Validation       `json:"validate,omitempty"`
+	Generation       Generation       `json:"generate,omitempty"`
 }
 
 //MatchResources contains resource description of the resources that the rule is to apply on
 type MatchResources struct {
-	Roles               []string         `json:"roles"`
-	ClusterRoles        []string         `json:"clusterRoles"`
-	Subjects            []rbacv1.Subject `json:"subjects"`
+	Roles               []string         `json:"roles,omitempty"`
+	ClusterRoles        []string         `json:"clusterRoles,omitempty"`
+	Subjects            []rbacv1.Subject `json:"subjects,omitempty"`
 	ResourceDescription `json:"resources"`
 }
 
 //ExcludeResources container resource description of the resources that are to be excluded from the applying the policy rule
 type ExcludeResources struct {
-	Roles               []string         `json:"roles"`
-	ClusterRoles        []string         `json:"clusterRoles"`
-	Subjects            []rbacv1.Subject `json:"subjects"`
-	ResourceDescription `json:"resources"`
+	Roles               []string         `json:"roles,omitempty"`
+	ClusterRoles        []string         `json:"clusterRoles,omitempty"`
+	Subjects            []rbacv1.Subject `json:"subjects,omitempty"`
+	ResourceDescription `json:"resources,omitempty"`
 }
 
 // ResourceDescription describes the resource to which the PolicyRule will be applied.
 type ResourceDescription struct {
-	Kinds      []string              `json:"kinds"`
-	Name       string                `json:"name"`
+	Kinds      []string              `json:"kinds,omitempty"`
+	Name       string                `json:"name,omitempty"`
 	Namespaces []string              `json:"namespaces,omitempty"`
-	Selector   *metav1.LabelSelector `json:"selector"`
+	Selector   *metav1.LabelSelector `json:"selector,omitempty"`
 }
 
 // Mutation describes the way how Mutating Webhook will react on resource creation
 type Mutation struct {
-	Overlay interface{} `json:"overlay"`
-	Patches []Patch     `json:"patches"`
+	Overlay interface{} `json:"overlay,omitempty"`
+	Patches []Patch     `json:"patches,omitempty"`
 }
 
 // +k8s:deepcopy-gen=false
@@ -118,24 +118,24 @@ type Patch struct {
 
 // Validation describes the way how Validating Webhook will check the resource on creation
 type Validation struct {
-	Message    string        `json:"message"`
-	Pattern    interface{}   `json:"pattern"`
-	AnyPattern []interface{} `json:"anyPattern"`
+	Message    string        `json:"message,omitempty"`
+	Pattern    interface{}   `json:"pattern,omitempty"`
+	AnyPattern []interface{} `json:"anyPattern,omitempty"`
 }
 
 // Generation describes which resources will be created when other resource is created
 type Generation struct {
-	Kind  string      `json:"kind"`
-	Name  string      `json:"name"`
-	Data  interface{} `json:"data"`
-	Clone CloneFrom   `json:"clone"`
+	Kind  string      `json:"kind,omitempty"`
+	Name  string      `json:"name,omitempty"`
+	Data  interface{} `json:"data,omitempty"`
+	Clone CloneFrom   `json:"clone,omitempty"`
 }
 
 // CloneFrom - location of a Secret or a ConfigMap
 // which will be used as source when applying 'generate'
 type CloneFrom struct {
-	Namespace string `json:"namespace"`
-	Name      string `json:"name"`
+	Namespace string `json:"namespace,omitempty"`
+	Name      string `json:"name,omitempty"`
 }
 
 //PolicyStatus provides status for violations