From a06201aaf5a531a090ec792a9119c2df14d6e50d Mon Sep 17 00:00:00 2001
From: Martin Lindner <martin@martinlindner.com>
Date: Mon, 9 May 2022 13:18:13 +0900
Subject: [PATCH] feat(helm): add support for spec.ingressClassName to Ingress
 template (#5202)

---
 dev/helm/README.md              | 1 +
 dev/helm/templates/ingress.yaml | 3 +++
 dev/helm/values.yaml            | 1 +
 3 files changed, 5 insertions(+)

diff --git a/dev/helm/README.md b/dev/helm/README.md
index dc4954f1..ae95ab45 100644
--- a/dev/helm/README.md
+++ b/dev/helm/README.md
@@ -108,6 +108,7 @@ The following table lists the configurable parameters of the Wiki.js chart and t
 | `volumeMounts`                   | Volume mounts for Wiki.js container              | `[]`                                                       |
 | `volumes`                        | Volumes for Wiki.js Pod                          | `[]`                                                       |
 | `ingress.enabled`                    | Enable ingress controller resource          | `false`                                                    |
+| `ingress.className`                  | Ingress class name                          | `""`                                                       |
 | `ingress.annotations`                | Ingress annotations                         | `{}`                                                       |
 | `ingress.hosts`                      | List of ingress rules                        | `[{"host": "wiki.local", "paths": ["/"]}]`                |
 | `ingress.tls`                        | Ingress TLS configuration                   | `[]`                                                       |
diff --git a/dev/helm/templates/ingress.yaml b/dev/helm/templates/ingress.yaml
index adf10b65..8ac1c939 100644
--- a/dev/helm/templates/ingress.yaml
+++ b/dev/helm/templates/ingress.yaml
@@ -23,6 +23,9 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
 {{- if .Values.ingress.tls }}
   tls:
   {{- range .Values.ingress.tls }}
diff --git a/dev/helm/values.yaml b/dev/helm/values.yaml
index f647a583..6b7296a7 100644
--- a/dev/helm/values.yaml
+++ b/dev/helm/values.yaml
@@ -54,6 +54,7 @@ service:
 
 ingress:
   enabled: true
+  className: ""
   annotations: {}
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"