Add UDP support in kubernetesCRD provider

Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>

pkg/provider/kubernetes/crd/traefik/v1alpha1/ingressrouteudp.go

@@ -0,0 +1,50 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// IngressRouteUDPSpec is a specification for a IngressRouteUDPSpec resource.
+type IngressRouteUDPSpec struct {
+	Routes      []RouteUDP `json:"routes"`
+	EntryPoints []string   `json:"entryPoints"`
+}
+
+// RouteUDP contains the set of routes.
+type RouteUDP struct {
+	Services []ServiceUDP `json:"services,omitempty"`
+}
+
+// TLSOptionUDPRef is a ref to the TLSOption resources.
+type TLSOptionUDPRef struct {
+	Name      string `json:"name"`
+	Namespace string `json:"namespace"`
+}
+
+// ServiceUDP defines an upstream to proxy traffic.
+type ServiceUDP struct {
+	Name      string `json:"name"`
+	Namespace string `json:"namespace"`
+	Port      int32  `json:"port"`
+	Weight    *int   `json:"weight,omitempty"`
+}
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IngressRouteUDP is an Ingress CRD specification.
+type IngressRouteUDP struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata"`
+
+	Spec IngressRouteUDPSpec `json:"spec"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IngressRouteUDPList is a list of IngressRoutes.
+type IngressRouteUDPList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []IngressRouteUDP `json:"items"`
+}

pkg/provider/kubernetes/crd/traefik/v1alpha1/register.go

@@ -37,6 +37,8 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 		&IngressRouteList{},
 		&IngressRouteTCP{},
 		&IngressRouteTCPList{},
+		&IngressRouteUDP{},
+		&IngressRouteUDPList{},
 		&Middleware{},
 		&MiddlewareList{},
 		&TLSOption{},

pkg/provider/kubernetes/crd/traefik/v1alpha1/zz_generated.deepcopy.go

@@ -397,6 +397,94 @@ func (in *IngressRouteTCPSpec) DeepCopy() *IngressRouteTCPSpec {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IngressRouteUDP) DeepCopyInto(out *IngressRouteUDP) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
+	in.Spec.DeepCopyInto(&out.Spec)
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IngressRouteUDP.
+func (in *IngressRouteUDP) DeepCopy() *IngressRouteUDP {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteUDP)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IngressRouteUDP) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IngressRouteUDPList) DeepCopyInto(out *IngressRouteUDPList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]IngressRouteUDP, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IngressRouteUDPList.
+func (in *IngressRouteUDPList) DeepCopy() *IngressRouteUDPList {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteUDPList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IngressRouteUDPList) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IngressRouteUDPSpec) DeepCopyInto(out *IngressRouteUDPSpec) {
+	*out = *in
+	if in.Routes != nil {
+		in, out := &in.Routes, &out.Routes
+		*out = make([]RouteUDP, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	if in.EntryPoints != nil {
+		in, out := &in.EntryPoints, &out.EntryPoints
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IngressRouteUDPSpec.
+func (in *IngressRouteUDPSpec) DeepCopy() *IngressRouteUDPSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteUDPSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *LoadBalancerSpec) DeepCopyInto(out *LoadBalancerSpec) {
 	*out = *in
@@ -732,6 +820,29 @@ func (in *RouteTCP) DeepCopy() *RouteTCP {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *RouteUDP) DeepCopyInto(out *RouteUDP) {
+	*out = *in
+	if in.Services != nil {
+		in, out := &in.Services, &out.Services
+		*out = make([]ServiceUDP, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RouteUDP.
+func (in *RouteUDP) DeepCopy() *RouteUDP {
+	if in == nil {
+		return nil
+	}
+	out := new(RouteUDP)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Service) DeepCopyInto(out *Service) {
 	*out = *in
@@ -801,6 +912,27 @@ func (in *ServiceTCP) DeepCopy() *ServiceTCP {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ServiceUDP) DeepCopyInto(out *ServiceUDP) {
+	*out = *in
+	if in.Weight != nil {
+		in, out := &in.Weight, &out.Weight
+		*out = new(int)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServiceUDP.
+func (in *ServiceUDP) DeepCopy() *ServiceUDP {
+	if in == nil {
+		return nil
+	}
+	out := new(ServiceUDP)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *TLS) DeepCopyInto(out *TLS) {
 	*out = *in
@@ -953,6 +1085,22 @@ func (in *TLSOptionTCPRef) DeepCopy() *TLSOptionTCPRef {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TLSOptionUDPRef) DeepCopyInto(out *TLSOptionUDPRef) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TLSOptionUDPRef.
+func (in *TLSOptionUDPRef) DeepCopy() *TLSOptionUDPRef {
+	if in == nil {
+		return nil
+	}
+	out := new(TLSOptionUDPRef)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *TLSStore) DeepCopyInto(out *TLSStore) {
 	*out = *in