Make Istio port selector optional

pkg/apis/istio/v1alpha3/virtual_service.go

@@ -280,7 +280,7 @@ type Destination struct {
 	// Specifies the port on the host that is being addressed. If a service
 	// exposes only a single port it is not required to explicitly select the
 	// port.
-	Port PortSelector `json:"port,omitempty"`
+	Port *PortSelector `json:"port,omitempty"`
 }
 
 // Describes match conditions and actions for routing HTTP/1.1, HTTP2, and

pkg/apis/istio/v1alpha3/zz_generated.deepcopy.go

@@ -111,7 +111,11 @@ func (in *CorsPolicy) DeepCopy() *CorsPolicy {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Destination) DeepCopyInto(out *Destination) {
 	*out = *in
-	out.Port = in.Port
+	if in.Port != nil {
+		in, out := &in.Port, &out.Port
+		*out = new(PortSelector)
+		**out = **in
+	}
 	return
 }
 
@@ -216,7 +220,7 @@ func (in *DestinationRuleSpec) DeepCopy() *DestinationRuleSpec {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *DestinationWeight) DeepCopyInto(out *DestinationWeight) {
 	*out = *in
-	out.Destination = in.Destination
+	in.Destination.DeepCopyInto(&out.Destination)
 	return
 }
 
@@ -388,7 +392,9 @@ func (in *HTTPRoute) DeepCopyInto(out *HTTPRoute) {
 	if in.Route != nil {
 		in, out := &in.Route, &out.Route
 		*out = make([]DestinationWeight, len(*in))
-		copy(*out, *in)
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
 	}
 	if in.Redirect != nil {
 		in, out := &in.Redirect, &out.Redirect
@@ -413,7 +419,7 @@ func (in *HTTPRoute) DeepCopyInto(out *HTTPRoute) {
 	if in.Mirror != nil {
 		in, out := &in.Mirror, &out.Mirror
 		*out = new(Destination)
-		**out = **in
+		(*in).DeepCopyInto(*out)
 	}
 	if in.CorsPolicy != nil {
 		in, out := &in.CorsPolicy, &out.CorsPolicy
@@ -717,7 +723,7 @@ func (in *TCPRoute) DeepCopyInto(out *TCPRoute) {
 			(*in)[i].DeepCopyInto(&(*out)[i])
 		}
 	}
-	out.Route = in.Route
+	in.Route.DeepCopyInto(&out.Route)
 	return
 }