---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
  name: longhorn-cert
  namespace: istio-system
spec:
  secretName: longhorn-cert
  commonName: longhorn.teapot.masked.name
  dnsNames:
    - longhorn.teapot.masked.name
  issuerRef:
    name: vault-issuer
    kind: ClusterIssuer
    group: cert-manager.io
...
---
apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
  name: longhorn-gateway
  namespace: longhorn-system
spec:
  selector:
    istio: ingressgateway-internal
  servers:
  - port:
      number: 443
      name: https
      protocol: HTTPS
    tls:
      mode: SIMPLE
      credentialName: longhorn-cert
    hosts:
    - longhorn.teapot.masked.name
...
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: longhorn-gateway
  namespace: longhorn-system
spec:
  hosts:
  - longhorn.teapot.masked.name
  gateways:
  - longhorn-gateway
  http:
  - match:
    - uri:
        prefix: /
    route:
    - destination:
        port:
          number: 80
        host: longhorn-frontend