From d9bedbfb01a729170f937dcfbec29cfd8169e276 Mon Sep 17 00:00:00 2001
From: spinnakerbot <spinbot@spinnaker.io>
Date: Mon, 25 Nov 2019 10:00:01 -0500
Subject: [PATCH] fix(kubernetes): do not throw NPE on NetworkPolicies with
 null ingress and egress (#4172) (#4173)

---
 .../v2/caching/view/model/KubernetesV2SecurityGroup.java    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/clouddriver-kubernetes-v2/src/main/java/com/netflix/spinnaker/clouddriver/kubernetes/v2/caching/view/model/KubernetesV2SecurityGroup.java b/clouddriver-kubernetes-v2/src/main/java/com/netflix/spinnaker/clouddriver/kubernetes/v2/caching/view/model/KubernetesV2SecurityGroup.java
index 77ae5969e11..eaf5f78c633 100644
--- a/clouddriver-kubernetes-v2/src/main/java/com/netflix/spinnaker/clouddriver/kubernetes/v2/caching/view/model/KubernetesV2SecurityGroup.java
+++ b/clouddriver-kubernetes-v2/src/main/java/com/netflix/spinnaker/clouddriver/kubernetes/v2/caching/view/model/KubernetesV2SecurityGroup.java
@@ -115,6 +115,9 @@ public static KubernetesV2SecurityGroup fromCacheData(CacheData cd) {
   }
 
   private static Set<Rule> inboundRules(V1NetworkPolicy policy) {
+    if (policy.getSpec().getIngress() == null) {
+      return Collections.emptySet();
+    }
     return policy.getSpec().getIngress().stream()
         .map(i -> i.getPorts().stream().map(KubernetesV2SecurityGroup::fromPolicyPort))
         .flatMap(s -> s)
@@ -122,6 +125,9 @@ private static Set<Rule> inboundRules(V1NetworkPolicy policy) {
   }
 
   private static Set<Rule> outboundRules(V1NetworkPolicy policy) {
+    if (policy.getSpec().getEgress() == null) {
+      return Collections.emptySet();
+    }
     return policy.getSpec().getEgress().stream()
         .map(i -> i.getPorts().stream().map(KubernetesV2SecurityGroup::fromPolicyPort))
         .flatMap(s -> s)