Bring back v2 rule matchers

pkg/provider/kubernetes/crd/kubernetes_http.go

@@ -112,6 +112,7 @@ func (p *Provider) loadIngressRouteConfiguration(ctx context.Context, client Cli
 			r := &dynamic.Router{
 				Middlewares: mds,
 				Priority:    route.Priority,
+				RuleSyntax:  route.Syntax,
 				EntryPoints: ingressRoute.Spec.EntryPoints,
 				Rule:        route.Match,
 				Service:     serviceName,

pkg/provider/kubernetes/crd/kubernetes_tcp.go

@@ -102,6 +102,7 @@ func (p *Provider) loadIngressRouteTCPConfiguration(ctx context.Context, client
 				Middlewares: mds,
 				Rule:        route.Match,
 				Priority:    route.Priority,
+				RuleSyntax:  route.Syntax,
 				Service:     serviceName,
 			}
 

pkg/provider/kubernetes/crd/traefikio/v1alpha1/ingressroute.go

@@ -33,6 +33,9 @@ type Route struct {
 	// Priority defines the router's priority.
 	// More info: https://doc.traefik.io/traefik/v3.0/routing/routers/#priority
 	Priority int `json:"priority,omitempty"`
+	// Syntax defines the router's rule syntax.
+	// More info: https://doc.traefik.io/traefik/v3.0/routing/routers/#rulesyntax
+	Syntax string `json:"syntax,omitempty"`
 	// Services defines the list of Service.
 	// It can contain any combination of TraefikService and/or reference to a Kubernetes Service.
 	Services []Service `json:"services,omitempty"`

pkg/provider/kubernetes/crd/traefikio/v1alpha1/ingressroutetcp.go

@@ -29,6 +29,9 @@ type RouteTCP struct {
 	// Priority defines the router's priority.
 	// More info: https://doc.traefik.io/traefik/v3.0/routing/routers/#priority_1
 	Priority int `json:"priority,omitempty"`
+	// Syntax defines the router's rule syntax.
+	// More info: https://doc.traefik.io/traefik/v3.0/routing/routers/#rulesyntax_1
+	Syntax string `json:"syntax,omitempty"`
 	// Services defines the list of TCP services.
 	Services []ServiceTCP `json:"services,omitempty"`
 	// Middlewares defines the list of references to MiddlewareTCP resources.