[stable/seq] Feature apiVersion compatibility switch (#18140)

* Add apiVersion compatibility switch for deployment and ingress

Signed-off-by: Markus Schlotbohm <markus_schlotbohm@as-gmbh.de>

* Bump seq chart version

Signed-off-by: Markus Schlotbohm <markus_schlotbohm@as-gmbh.de>

stable/seq/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: seq
-version: 1.0.2
+version: 1.0.3
 appVersion: 5
 description: Seq is the easiest way for development teams to capture, search and visualize structured log events! This page will walk you through the very quick setup process.
 keywords:

stable/seq/templates/_helpers.tpl

@@ -30,3 +30,26 @@ Create chart name and version as used by the chart label.
 {{- define "seq.chart" -}}
 {{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
+{{/*
+Return the appropriate apiVersion for deployment.
+*/}}
+{{- define "deployment.apiVersion" -}}
+{{- if semverCompare ">=1.9-0" .Capabilities.KubeVersion.GitVersion -}}
+{{- print "apps/v1" -}}
+{{- else -}}
+{{- print "extensions/v1beta1" -}}
+{{- end -}}
+{{- end -}}
+
+
+{{/*
+Return the appropriate apiVersion for ingress.
+*/}}
+{{- define "ingress.apiVersion" -}}
+{{- if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+{{- print "networking.k8s.io/v1beta1" -}}
+{{- else -}}
+{{- print "extensions/v1beta1" -}}
+{{- end -}}
+{{- end -}}

stable/seq/templates/deployment.yaml

@@ -1,4 +1,4 @@
-apiVersion: apps/v1
+apiVersion: {{ template "deployment.apiVersion" . }}
 kind: Deployment
 metadata:
   name: {{ template "seq.fullname" . }}

stable/seq/templates/ingress.yaml

@@ -2,7 +2,7 @@
 {{- $fullName := include "seq.fullname" . -}}
 {{- $servicePort := .Values.service.port -}}
 {{- $ingressPath := .Values.ingress.path -}}
-apiVersion: extensions/v1beta1
+apiVersion: {{ template "ingress.apiVersion" . }}
 kind: Ingress
 metadata:
   name: {{ $fullName }}