From 49bcbf41304ac4f0f465039f284ea87fa2c32aa9 Mon Sep 17 00:00:00 2001
From: WrenIX <dev@wrenix.eu>
Date: Thu, 22 Aug 2024 20:02:29 +0200
Subject: [PATCH] fix(miniserve): add networkpolicy support

---
 miniserve/Chart.yaml                   |  2 +-
 miniserve/README.adoc                  | 22 +++++++++++++++++++-
 miniserve/templates/networkpolicy.yaml | 28 ++++++++++++++++++++++++++
 miniserve/values.yaml                  | 11 ++++++++++
 4 files changed, 61 insertions(+), 2 deletions(-)
 create mode 100644 miniserve/templates/networkpolicy.yaml

diff --git a/miniserve/Chart.yaml b/miniserve/Chart.yaml
index f59675e..99ec735 100644
--- a/miniserve/Chart.yaml
+++ b/miniserve/Chart.yaml
@@ -3,7 +3,7 @@ name: miniserve
 description: A Helm chart for Kubernetes
 icon: https://raw.githubusercontent.com/svenstaro/miniserve/master/data/logo.svg
 type: application
-version: 0.3.7
+version: 0.4.0
 # renovate: image=docker.io/svenstaro/miniserve
 appVersion: "0.27.0"
 maintainers:
diff --git a/miniserve/README.adoc b/miniserve/README.adoc
index 12b3675..85049b5 100644
--- a/miniserve/README.adoc
+++ b/miniserve/README.adoc
@@ -2,7 +2,7 @@
 
 = miniserve
 
-image::https://img.shields.io/badge/Version-0.3.7-informational?style=flat-square[Version: 0.3.7]
+image::https://img.shields.io/badge/Version-0.4.0-informational?style=flat-square[Version: 0.4.0]
 image::https://img.shields.io/badge/Version-application-informational?style=flat-square[Type: application]
 image::https://img.shields.io/badge/AppVersion-0.27.0-informational?style=flat-square[AppVersion: 0.27.0]
 == Maintainers
@@ -277,6 +277,26 @@ helm uninstall miniserve-release
 | `""`
 |
 
+| networkPolicy.egress.enabled
+| bool
+| `true`
+| activate egress no networkpolicy
+
+| networkPolicy.egress.extra
+| list
+| `[]`
+| egress rules
+
+| networkPolicy.enabled
+| bool
+| `false`
+|
+
+| networkPolicy.ingress.http
+| list
+| `[]`
+| ingress for http port (e.g. ingress-controller)
+
 | nodeSelector
 | object
 | `{}`
diff --git a/miniserve/templates/networkpolicy.yaml b/miniserve/templates/networkpolicy.yaml
new file mode 100644
index 0000000..2df2ebf
--- /dev/null
+++ b/miniserve/templates/networkpolicy.yaml
@@ -0,0 +1,28 @@
+{{- if .Values.networkPolicy.enabled }}
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: {{ include "miniserve.fullname" . }}
+  labels:
+    {{- include "miniserve.labels" . | nindent 4 }}
+spec:
+  podSelector:
+    matchLabels:
+      {{- include "miniserve.selectorLabels" . | nindent 6 }}
+  policyTypes:
+    - Ingress
+    {{- if .Values.networkPolicy.egress.enabled }}
+    - Egress
+    {{- end }}
+  ingress:
+    - ports:
+        - port: {{ .Values.service.port }}
+          protocol: TCP
+      from:
+        {{- toYaml .Values.networkPolicy.ingress.http | nindent 8 }}
+  {{- with .Values.networkPolicy.egress }}
+  egress:
+    {{- toYaml .extra | nindent 4 }}
+  {{- end }}
+{{- end }}
diff --git a/miniserve/values.yaml b/miniserve/values.yaml
index f2ff6e6..9ae54d7 100644
--- a/miniserve/values.yaml
+++ b/miniserve/values.yaml
@@ -126,6 +126,17 @@ service:
   type: ClusterIP
   port: 8080
 
+networkPolicy:
+  enabled: false
+  ingress:
+    # -- ingress for http port (e.g. ingress-controller)
+    http: []
+  egress:
+    # -- activate egress no networkpolicy
+    enabled: true
+    # -- egress rules
+    extra: []
+
 ingress:
   enabled: false
   className: ""