Add support for TCP (in kubernetes CRD)

Co-authored-by: Jean-Baptiste Doumenjou <jb.doumenjou@gmail.com>

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

@@ -21,7 +21,12 @@ type Route struct {
 }
 
 // TLS contains the TLS certificates configuration of the routes. To enable
-// Let's Encrypt, set a SecretName with an empty value.
+// Let's Encrypt, use an empty TLS struct, e.g. in YAML:
+//
+// tls: {} # inline format
+//
+// tls:
+//   secretName: # block format
 type TLS struct {
 	// SecretName is the name of the referenced Kubernetes Secret to specify the
 	// certificate details.

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

@@ -0,0 +1,58 @@
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// IngressRouteTCPSpec is a specification for a IngressRouteTCPSpec resource.
+type IngressRouteTCPSpec struct {
+	Routes      []RouteTCP `json:"routes"`
+	EntryPoints []string   `json:"entryPoints"`
+	TLS         *TLSTCP    `json:"tls,omitempty"`
+}
+
+// RouteTCP contains the set of routes.
+type RouteTCP struct {
+	Match    string       `json:"match"`
+	Services []ServiceTCP `json:"services,omitempty"`
+}
+
+// TLSTCP contains the TLS certificates configuration of the routes. To enable
+// Let's Encrypt, use an empty TLS struct, e.g. in YAML:
+//
+// tls: {} # inline format
+//
+// tls:
+//   secretName: # block format
+type TLSTCP struct {
+	// SecretName is the name of the referenced Kubernetes Secret to specify the
+	// certificate details.
+	SecretName  string `json:"secretName"`
+	Passthrough bool   `json:"passthrough"`
+}
+
+// ServiceTCP defines an upstream to proxy traffic.
+type ServiceTCP struct {
+	Name string `json:"name"`
+	Port int32  `json:"port"`
+}
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IngressRouteTCP is an Ingress CRD specification.
+type IngressRouteTCP struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata"`
+
+	Spec IngressRouteTCPSpec `json:"spec"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// IngressRouteTCPList is a list of IngressRoutes.
+type IngressRouteTCPList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata"`
+	Items           []IngressRouteTCP `json:"items"`
+}

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

@@ -35,6 +35,8 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 	scheme.AddKnownTypes(SchemeGroupVersion,
 		&IngressRoute{},
 		&IngressRouteList{},
+		&IngressRouteTCP{},
+		&IngressRouteTCPList{},
 		&Middleware{},
 		&MiddlewareList{},
 	)

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

@@ -148,6 +148,99 @@ func (in *IngressRouteSpec) DeepCopy() *IngressRouteSpec {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *IngressRouteTCP) DeepCopyInto(out *IngressRouteTCP) {
+	*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 IngressRouteTCP.
+func (in *IngressRouteTCP) DeepCopy() *IngressRouteTCP {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteTCP)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IngressRouteTCP) 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 *IngressRouteTCPList) DeepCopyInto(out *IngressRouteTCPList) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	out.ListMeta = in.ListMeta
+	if in.Items != nil {
+		in, out := &in.Items, &out.Items
+		*out = make([]IngressRouteTCP, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IngressRouteTCPList.
+func (in *IngressRouteTCPList) DeepCopy() *IngressRouteTCPList {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteTCPList)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *IngressRouteTCPList) 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 *IngressRouteTCPSpec) DeepCopyInto(out *IngressRouteTCPSpec) {
+	*out = *in
+	if in.Routes != nil {
+		in, out := &in.Routes, &out.Routes
+		*out = make([]RouteTCP, 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)
+	}
+	if in.TLS != nil {
+		in, out := &in.TLS, &out.TLS
+		*out = new(TLSTCP)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new IngressRouteTCPSpec.
+func (in *IngressRouteTCPSpec) DeepCopy() *IngressRouteTCPSpec {
+	if in == nil {
+		return nil
+	}
+	out := new(IngressRouteTCPSpec)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Middleware) DeepCopyInto(out *Middleware) {
 	*out = *in
@@ -252,6 +345,27 @@ func (in *Route) DeepCopy() *Route {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *RouteTCP) DeepCopyInto(out *RouteTCP) {
+	*out = *in
+	if in.Services != nil {
+		in, out := &in.Services, &out.Services
+		*out = make([]ServiceTCP, len(*in))
+		copy(*out, *in)
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new RouteTCP.
+func (in *RouteTCP) DeepCopy() *RouteTCP {
+	if in == nil {
+		return nil
+	}
+	out := new(RouteTCP)
+	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
@@ -273,6 +387,22 @@ func (in *Service) DeepCopy() *Service {
 	return out
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ServiceTCP) DeepCopyInto(out *ServiceTCP) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ServiceTCP.
+func (in *ServiceTCP) DeepCopy() *ServiceTCP {
+	if in == nil {
+		return nil
+	}
+	out := new(ServiceTCP)
+	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
@@ -288,3 +418,19 @@ func (in *TLS) DeepCopy() *TLS {
 	in.DeepCopyInto(out)
 	return out
 }
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *TLSTCP) DeepCopyInto(out *TLSTCP) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new TLSTCP.
+func (in *TLSTCP) DeepCopy() *TLSTCP {
+	if in == nil {
+		return nil
+	}
+	out := new(TLSTCP)
+	in.DeepCopyInto(out)
+	return out
+}