Check chart controller image tag

kubernetes · Mar 16, 2020 · e9641ba · e9641ba
1 parent 130af33
commit e9641ba
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diff --git a/charts/ingress-nginx/templates/_helpers.tpl b/charts/ingress-nginx/templates/_helpers.tpl
@@ -146,3 +146,12 @@ Return the appropriate apiVersion for podSecurityPolicy.
 {{- print "extensions/v1beta1" -}}
 {{- end -}}
 {{- end -}}
+
+{{/*
+Check the ingress controller version tag is at most three versions behind the last release
+*/}}
+{{- define "isControllerTagValid" -}}
+{{- if not (semverCompare ">=0.27.0" .Values.controller.image.tag) -}}
+{{- fail "Controller container image tag should be 0.27.0 or higher" -}}
+{{- end -}}
+{{- end -}}
diff --git a/charts/ingress-nginx/templates/controller-daemonset.yaml b/charts/ingress-nginx/templates/controller-daemonset.yaml
@@ -1,4 +1,5 @@
 {{- if or (eq .Values.controller.kind "DaemonSet") (eq .Values.controller.kind "Both") -}}
+{{- include  "isControllerTagValid" . -}}
 apiVersion: {{ template "daemonset.apiVersion" . }}
 kind: DaemonSet
 metadata:

diff --git a/charts/ingress-nginx/templates/controller-deployment.yaml b/charts/ingress-nginx/templates/controller-deployment.yaml
@@ -1,4 +1,5 @@
 {{- if or (eq .Values.controller.kind "Deployment") (eq .Values.controller.kind "Both") -}}
+{{- include  "isControllerTagValid" . -}}
 apiVersion: {{ template "deployment.apiVersion" . }}
 kind: Deployment
 metadata: