vendor: bump k8s to v0.25.4

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/k8s.io/kube-openapi/pkg/spec3/server.go

@@ -0,0 +1,98 @@
+/*
+Copyright 2021 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package spec3
+
+import (
+	"encoding/json"
+	"k8s.io/kube-openapi/pkg/validation/spec"
+	"github.com/go-openapi/swag"
+
+)
+
+type Server struct {
+	ServerProps
+	spec.VendorExtensible
+}
+
+type ServerProps struct {
+	// Description is a short description of the target documentation. CommonMark syntax MAY be used for rich text representation.
+	Description string `json:"description,omitempty"`
+	// URL is the URL for the target documentation.
+	URL string `json:"url"`
+	// Variables contains a map between a variable name and its value. The value is used for substitution in the server's URL templeate
+	Variables map[string]*ServerVariable `json:"variables,omitempty"`
+}
+
+// MarshalJSON is a custom marshal function that knows how to encode Responses as JSON
+func (s *Server) MarshalJSON() ([]byte, error) {
+	b1, err := json.Marshal(s.ServerProps)
+	if err != nil {
+		return nil, err
+	}
+	b2, err := json.Marshal(s.VendorExtensible)
+	if err != nil {
+		return nil, err
+	}
+	return swag.ConcatJSON(b1, b2), nil
+}
+
+func (s *Server) UnmarshalJSON(data []byte) error {
+	if err := json.Unmarshal(data, &s.ServerProps); err != nil {
+		return err
+	}
+	if err := json.Unmarshal(data, &s.VendorExtensible); err != nil {
+		return err
+	}
+	return nil
+}
+
+type ServerVariable struct {
+	ServerVariableProps
+	spec.VendorExtensible
+}
+
+type ServerVariableProps struct {
+	// Enum is an enumeration of string values to be used if the substitution options are from a limited set
+	Enum []string `json:"enum,omitempty"`
+	// Default is the default value to use for substitution, which SHALL be sent if an alternate value is not supplied
+	Default string `json:"default"`
+	// Description is a description for the server variable
+	Description string `json:"description,omitempty"`
+}
+
+// MarshalJSON is a custom marshal function that knows how to encode Responses as JSON
+func (s *ServerVariable) MarshalJSON() ([]byte, error) {
+	b1, err := json.Marshal(s.ServerVariableProps)
+	if err != nil {
+		return nil, err
+	}
+	b2, err := json.Marshal(s.VendorExtensible)
+	if err != nil {
+		return nil, err
+	}
+	return swag.ConcatJSON(b1, b2), nil
+}
+
+func (s *ServerVariable) UnmarshalJSON(data []byte) error {
+	if err := json.Unmarshal(data, &s.ServerVariableProps); err != nil {
+		return err
+	}
+	if err := json.Unmarshal(data, &s.VendorExtensible); err != nil {
+		return err
+	}
+	return nil
+}