Allow TLS secretName to be option for ingress to support default certificates (#339)

charts/influxdb2/Chart.yaml

@@ -5,7 +5,7 @@ name: influxdb2
 description: A Helm chart for InfluxDB v2
 home: https://www.influxdata.com/products/influxdb/
 type: application
-version: 2.0.6
+version: 2.0.7
 maintainers:
   - name: rawkode
     email: rawkode@influxdata.com

charts/influxdb2/templates/ingress.yaml

@@ -16,7 +16,9 @@ spec:
   tls:
     - hosts:
       - {{ .Values.ingress.hostname | quote }}
+      {{- if .Values.ingress.secretName }}
       secretName: {{ .Values.ingress.secretName }}
+      {{- end -}}
 {{- end }}
 {{- if .Values.ingress.className }}
   ingressClassName: {{ .Values.ingress.className }}

charts/influxdb2/values.yaml

@@ -121,7 +121,7 @@ ingress:
   # See https://kubernetes.io/blog/2020/04/02/improvements-to-the-ingress-api-in-kubernetes-1.18/#specifying-the-class-of-an-ingress
   # ingressClassName: nginx
   tls: false
-  # secretName: my-tls-cert # only needed if tls above is true
+  # secretName: my-tls-cert # only needed if tls above is true or default certificate is not configured for Nginx
   hostname: influxdb.foobar.com
   annotations: {}
     # kubernetes.io/ingress.class: "nginx"