Kubernetes 10-domain Ingress

ingress.jsonnet

{
  // Required arguments
  serviceName:: error "'name' must be specified",
  servicePort:: error "'servicePort' must be specified",
  prefix:: error "'prefix' must be specified",
  domain:: error "'domain' must be specified",
  
  local name(num) = $.prefix + num + “.” + $.domain

  apiVersion: "extensions/v1beta1",
  kind: "Ingress",
  metadata: {
    name: $.serviceName,
    annotations: {
      "kubernetes.io/ingress.class": "gce"
    },
  },
  spec: {
    rules:[
      {
        host: name(num),
        http: {
          paths: [
            {
              backend: {
                serviceName: $.serviceName,
                servicePort: $.servicePort,
              },
            },
          ],
        },
      }
      for num in [0,1,2,3,4,5,6,7,8,9]
    ],
    tls: [
      {
        hosts: [name(num)],
        secretName: name(num)
      }
      for num in [0,1,2,3,4,5,6,7,8,9]
    ],
  },
}