1 files changed, 46 insertions, 0 deletions
diff --git a/kubernetes/authentication/components/oauth2-proxy/templates/_ingress.tpl b/kubernetes/authentication/components/oauth2-proxy/templates/_ingress.tpl
new file mode 100644
index 0000000000..f4a3cad0e4
--- /dev/null
+++ b/kubernetes/authentication/components/oauth2-proxy/templates/_ingress.tpl
@@ -0,0 +1,46 @@
+{{/*
+Returns `true` if the API `ingressClassName` field is supported and `false` otherwise
+*/}}
+{{- define "ingress.supportsIngressClassName" -}}
+{{- if ( semverCompare "<1.18-0" ( .Values.kubeVersion | default .Capabilities.KubeVersion.Version ) ) -}}
+{{- print "false" -}}
+{{- else -}}
+{{- print "true" -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Returns `true` if the API `pathType` field is supported and `false` otherwise
+*/}}
+{{- define "ingress.supportsPathType" -}}
+{{- if ( semverCompare "<1.18-0" ( .Values.kubeVersion | default .Capabilities.KubeVersion.Version ) ) -}}
+{{- print "false" -}}
+{{- else -}}
+{{- print "true" -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Returns the appropriate ingress `backend` fields depending on the Kubernetes API version.
+e.g.: `{{ include "common.ingress.backend" (dict "serviceName" "backendName" "servicePort" "backendPort" "context" $) }}`
+Where the dict must contain the following entries:
+- `serviceName` {String} - Name of an existing service backend
+- `servicePort` {String|Number} - Port name or port number of the service.
+- `context` {Dict} - (Parent) Context for the template evaluation required for the API version detection.
+*/}}
+{{- define "ingress.backend" -}}
+{{- $apiVersion := ( include "capabilities.ingress.apiVersion" .context ) -}}
+{{- if or ( eq $apiVersion "extensions/v1beta1" ) ( eq $apiVersion "networking.k8s.io/v1beta1" ) -}}
+serviceName: {{ .serviceName }}
+servicePort: {{ .servicePort }}
+{{- else -}}
+service:
+  name: {{ .serviceName }}
+  port:
+    {{- if typeIs "string" .servicePort }}
+    name: {{ .servicePort }}
+    {{- else if or ( typeIs "int" .servicePort ) ( typeIs "float64" .servicePort ) }}
+    number: {{ .servicePort }}
+    {{- end }}
+{{- end -}}
+{{- end -}}