Make ingress compatible with format prior to 1.19-0 k8s version (SeleniumHQ#1798)

* Make ingress compatible with format prior to 1.19-0 k8s version

* Modify CHANGELOG.md

* Modify Chart version

Author: sylbn

charts/selenium-grid/CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this helm chart will be documented in this file.
 
+## :heavy_check_mark: 0.15.3
+
+### Changed
+- Make ingress compatible with format prior to 1.19-0 k8s version
+
 ## :heavy_check_mark: 0.15.2
 
 ### Changed

charts/selenium-grid/Chart.yaml

@@ -2,6 +2,6 @@ apiVersion: v2
 name: selenium-grid
 description: A Helm chart for creating a Selenium Grid Server in Kubernetes
 type: application
-version: 0.15.2
+version: 0.15.3
 appVersion: 4.8.1-20230221
 icon: https://github.com/SeleniumHQ/docker-selenium/raw/trunk/logo.png

charts/selenium-grid/templates/ingress.yaml

@@ -44,6 +44,7 @@ spec:
       {{- else }}
     - http:
       {{- end }}
+      {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.Version }}
         paths:
           - path: /
             pathType: Prefix
@@ -58,4 +59,16 @@ spec:
                 port:
                   number: {{ $.Values.hub.port }}
                 {{- end }}
+      {{- else }}
+        paths:
+          - path: /
+            backend:
+              {{- if $.Values.isolateComponents }}
+              serviceName: {{ template "seleniumGrid.router.fullname" $ }}
+              servicePort: {{ $.Values.components.router.port }}
+              {{- else }}
+              serviceName: {{ template "seleniumGrid.hub.fullname" $ }}
+              servicePort: {{ $.Values.hub.port }}
+              {{- end }}
+      {{- end }}
 {{- end }}