2.14.4.2. VirtualService configuration reference

The hosts field lists the virtual service’s destination address to which the routing rules apply. This is the address(es) that are used to send requests to the service. The virtual service hostname can be an IP address, a DNS name, or a short name that resolves to a fully qualified domain name.

The http section contains the virtual service’s routing rules which describe match conditions and actions for routing HTTP/1.1, HTTP2, and gRPC traffic sent to the destination as specified in the hosts field. A routing rule consists of the destination where you want the traffic to go and any specified match conditions. The first routing rule in the example has a condition that begins with the match field. In this example, this routing applies to all requests from the user jason. Add the headers, end-user, and exact fields to select the appropriate requests.

The destination field in the route section specifies the actual destination for traffic that matches this condition. Unlike the virtual service’s host, the destination’s host must be a real destination that exists in the Red Hat OpenShift Service Mesh service registry. This can be a mesh service with proxies or a non-mesh service added using a service entry. In this example, the hostname is a Kubernetes service name: