Add Opinionated Support for External DNS

Author: spjmurray

charts/identity/Chart.yaml

@@ -4,7 +4,7 @@ description: A Helm chart for deploying Unikorn's IdP
 
 type: application
 
-version: v0.1.3
-appVersion: v0.1.3
+version: v0.1.4
+appVersion: v0.1.4
 
 icon: https://raw.githubusercontent.com/unikorn-cloud/assets/main/images/logos/dark-on-light/icon.png

charts/identity/templates/ingress.yaml

@@ -10,6 +10,9 @@ metadata:
   {{- else }}
     cert-manager.io/issuer: "unikorn-identity-ingress"
   {{- end }}
+  {{- if .Values.ingress.externalDns }}
+    external-dns.alpha.kubernetes.io/hostname: {{ .Values.host }}
+  {{- end }}
 spec:
   {{- if .Values.ingress.class }}
   ingressClassName: {{ .Values.ingress.class }}

charts/identity/values.yaml

@@ -79,3 +79,6 @@ ingress:
   # Cert Manager certificate issuer to use.  If not specified it will generate a
   # self signed one.
   issuer: ~
+
+  # If true, will add the external DNS hostname annotation.
+  externalDns: false