apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: eks-saas-gateway
spec:
  selector:
    istio: ingressgateway # use istio default controller
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - "*"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: application-service
spec:
  hosts:
  - "*"
  gateways:
  - eks-saas-gateway
  http:
  - match:
    - uri:
        prefix: /app/api/products
    route:
    - destination:
        host: product-service
        port:
          number: 80
  - match:
    - uri:
        prefix: /app/api/order
      headers:
        "@request.auth.claims.custom:tenant-id":
          exact: "tenantId" ## REPLACE THIS VALUE WITH YOUR TENANT1'S ID
    route:
    - destination:
        host: order-service
        port:
          number: 80
        subset: v2
      weight: 100
  - match:
    - uri:
        prefix: /app/api/order
    route:
    - destination:
        host: order-service
        port:
          number: 80
        subset: v1
      weight: 100
  - match:
    - uri:
        prefix: /app
    route:
    - destination:
        host: application-service
        port:
          number: 80
  - match:
    - uri:
        prefix: /api/tenants
    route:
    - destination:
        host: tenant-management-service
        port:
          number: 80