[WIFI-1998] Add: gracefull ingress deprecation

Signed-off-by: Dmitry Dunaev <dmitry@opsfleet.com>

helm/templates/_helpers.tpl

@@ -30,3 +30,13 @@ Create chart name and version as used by the chart label.
 {{- define "owgw.chart" -}}
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
+{{- define "owgw.ingress.apiVersion" -}}
+  {{- if .Capabilities.APIVersions.Has "networking.k8s.io/v1" -}}
+      {{- print "networking.k8s.io/v1" -}}
+  {{- else if .Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" -}}
+    {{- print "networking.k8s.io/v1beta1" -}}
+  {{- else -}}
+    {{- print "extensions/v1beta1" -}}
+  {{- end -}}
+{{- end -}}

helm/templates/ingress.yaml

@@ -2,7 +2,7 @@
 {{- range $ingress, $ingressValue := .Values.ingresses }}
 {{- if $ingressValue.enabled }}
 ---
-apiVersion: extensions/v1beta1
+apiVersion: {{ include "owgw.ingress.apiVersion" $root }}
 kind: Ingress
 metadata:
   name: {{ include "owgw.fullname" $root }}-{{ $ingress }}
@@ -36,9 +36,23 @@ spec:
       paths:
       {{- range $ingressValue.paths }}
         - path: {{ .path }}
+          {{- if $root.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
+          pathType: {{ .pathType | default "ImplementationSpecific" }}
+          {{- end }}
           backend:
+            {{- if $root.Capabilities.APIVersions.Has "networking.k8s.io/v1" }}
+            service:
+              name: {{ include "owgw.fullname" $root }}-{{ .serviceName }}
+              port:
+              {{- if kindIs "string" .servicePort }}
+                name: {{ .servicePort }}
+              {{- else }}
+                number: {{ .servicePort }}
+              {{- end }}
+            {{- else }}
             serviceName: {{ include "owgw.fullname" $root }}-{{ .serviceName }}
             servicePort: {{ .servicePort }}
+            {{- end }}
       {{- end }}
   {{- end }}
 

helm/values.yaml

@@ -62,6 +62,7 @@ ingresses:
     - restapi.chart-example.local
     paths:
     - path: /
+      pathType: ImplementationSpecific
       serviceName: owgw
       servicePort: restapi
   fileuploader:
@@ -73,6 +74,7 @@ ingresses:
     - fileuploader.chart-example.local
     paths:
     - path: /
+      pathType: ImplementationSpecific
       serviceName: owgw
       servicePort: fileuploader