feat(kurtosis-devnet): expose private ports (#13789)

kurtosis-devnet/pkg/descriptors/deployment.go

 package descriptors
 
 type PortInfo struct {
-	Host string `json:"host"`
-	Port int    `json:"port"`
+	Host        string `json:"host"`
+	Port        int    `json:"port"`
+	PrivatePort int    `json:"private_port"`
 }
 
 // EndpointMap is a map of service names to their endpoints.

kurtosis-devnet/pkg/kurtosis/sources/inspect/inspect.go

@@ -71,6 +71,14 @@ func (e *Inspector) ExtractData(ctx context.Context) (*InspectData, error) {
 			}
 		}
 
+		for port, portSpec := range svcCtx.GetPrivatePorts() {
+			// avoid non-mapped ports, we shouldn't have to use them.
+			if p, ok := portMap[port]; ok {
+				p.PrivatePort = int(portSpec.GetNumber())
+				portMap[port] = p
+			}
+		}
+
 		if len(portMap) != 0 {
 			data.UserServices[svc] = portMap
 		}