From 0ed774a7cff9e3138e3c83b4bdcbfafbcb1826cd Mon Sep 17 00:00:00 2001
From: Evgeny L <eli@mirantis.com>
Date: Fri, 8 Nov 2019 00:03:43 +0000
Subject: [PATCH] Allow to configure service network policy for
 apiserver-webhook

The patch introduces network policy configuration similar
to openstack-helm services. It allows users to configure
policies depending on the environment.

* Network policies are disabled by default.
* When enabled default policies allow all ingress and
  egress traffic (i.e. policy set to {}), this may be
  changed in future patch-sets.

Change-Id: I3c6457f4abc9accf39cd9320208899200a43f828
---
 .../templates/network_policy.yaml              | 18 ++++++++++++++++++
 charts/apiserver-webhook/values.yaml           |  8 ++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 charts/apiserver-webhook/templates/network_policy.yaml

diff --git a/charts/apiserver-webhook/templates/network_policy.yaml b/charts/apiserver-webhook/templates/network_policy.yaml
new file mode 100644
index 00000000..0e338354
--- /dev/null
+++ b/charts/apiserver-webhook/templates/network_policy.yaml
@@ -0,0 +1,18 @@
+# Copyright 2017-2018 The Openstack-Helm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+{{- if .Values.manifests.network_policy -}}
+{{- $netpol_opts := dict "envAll" . "name" "application" "label" "kubernetes-keystone-webhook" -}}
+{{ $netpol_opts | include "helm-toolkit.manifests.kubernetes_network_policy" }}
+{{- end -}}
diff --git a/charts/apiserver-webhook/values.yaml b/charts/apiserver-webhook/values.yaml
index 12751978..473ff761 100644
--- a/charts/apiserver-webhook/values.yaml
+++ b/charts/apiserver-webhook/values.yaml
@@ -194,6 +194,13 @@ endpoints:
       client:
         default: 2379
 
+network_policy:
+  kubernetes-keystone-webhook:
+    ingress:
+      - {}
+    egress:
+      - {}
+
 pod:
   mounts:
     kubernetes_apiserver:
@@ -384,3 +391,4 @@ manifests:
   secret_keystone: true
   secret_tls: true
   service: true
+  network_policy: false