fix: external access to puppetdb (#53)

- use vault cert for puppetdb ingress

Reviewed-on: #53

apps/base/puppet/ingress_puppetdb.yaml

@@ -6,7 +6,9 @@ metadata:
     kubernetes.io/ingress.class: nginx
     external-dns.alpha.kubernetes.io/hostname: puppetdb.k8s.syd1.au.unkin.net
     external-dns.alpha.kubernetes.io/target: 198.18.200.0
-    nginx.ingress.kubernetes.io/ssl-passthrough: "true"
+    cert-manager.io/cluster-issuer: vault-issuer
+    cert-manager.io/common-name: puppetboard.k8s.syd1.au.unkin.net
+    cert-manager.io/private-key-size: "4096"
   labels:
     app.kubernetes.io/component: puppetdb
     app.kubernetes.io/instance: puppetserver