Add GrpcWeb middleware

Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>

pkg/provider/kubernetes/crd/kubernetes.go

@@ -279,6 +279,7 @@ func (p *Provider) loadConfigurationFromCRD(ctx context.Context, client Client)
 			PassTLSClientCert: middleware.Spec.PassTLSClientCert,
 			Retry:             retry,
 			ContentType:       middleware.Spec.ContentType,
+			GrpcWeb:           middleware.Spec.GrpcWeb,
 			Plugin:            plugin,
 		}
 	}

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

@@ -48,6 +48,7 @@ type MiddlewareSpec struct {
 	PassTLSClientCert *dynamic.PassTLSClientCert `json:"passTLSClientCert,omitempty"`
 	Retry             *Retry                     `json:"retry,omitempty"`
 	ContentType       *dynamic.ContentType       `json:"contentType,omitempty"`
+	GrpcWeb           *dynamic.GrpcWeb           `json:"grpcWeb,omitempty"`
 	// Plugin defines the middleware plugin configuration.
 	// More info: https://doc.traefik.io/traefik/plugins/
 	Plugin map[string]apiextensionv1.JSON `json:"plugin,omitempty"`

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

@@ -769,6 +769,11 @@ func (in *MiddlewareSpec) DeepCopyInto(out *MiddlewareSpec) {
 		*out = new(dynamic.ContentType)
 		**out = **in
 	}
+	if in.GrpcWeb != nil {
+		in, out := &in.GrpcWeb, &out.GrpcWeb
+		*out = new(dynamic.GrpcWeb)
+		(*in).DeepCopyInto(*out)
+	}
 	if in.Plugin != nil {
 		in, out := &in.Plugin, &out.Plugin
 		*out = make(map[string]v1.JSON, len(*in))