mirror of https://github.com/k3s-io/k3s
114 lines
2.8 KiB
Go
114 lines
2.8 KiB
Go
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// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package spec
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import (
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"encoding/json"
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"strings"
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)
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// Extensions vendor specific extensions
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type Extensions map[string]interface{}
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// Add adds a value to these extensions
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func (e Extensions) Add(key string, value interface{}) {
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realKey := strings.ToLower(key)
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e[realKey] = value
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}
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// GetString gets a string value from the extensions
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func (e Extensions) GetString(key string) (string, bool) {
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if v, ok := e[strings.ToLower(key)]; ok {
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str, ok := v.(string)
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return str, ok
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}
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return "", false
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}
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// GetBool gets a string value from the extensions
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func (e Extensions) GetBool(key string) (bool, bool) {
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if v, ok := e[strings.ToLower(key)]; ok {
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str, ok := v.(bool)
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return str, ok
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}
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return false, false
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}
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// GetStringSlice gets a string value from the extensions
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func (e Extensions) GetStringSlice(key string) ([]string, bool) {
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if v, ok := e[strings.ToLower(key)]; ok {
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arr, isSlice := v.([]interface{})
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if !isSlice {
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return nil, false
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}
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var strs []string
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for _, iface := range arr {
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str, isString := iface.(string)
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if !isString {
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return nil, false
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}
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strs = append(strs, str)
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}
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return strs, ok
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}
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return nil, false
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}
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// VendorExtensible composition block.
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type VendorExtensible struct {
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Extensions Extensions
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}
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// AddExtension adds an extension to this extensible object
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func (v *VendorExtensible) AddExtension(key string, value interface{}) {
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if value == nil {
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return
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}
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if v.Extensions == nil {
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v.Extensions = make(map[string]interface{})
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}
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v.Extensions.Add(key, value)
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}
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// MarshalJSON marshals the extensions to json
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func (v VendorExtensible) MarshalJSON() ([]byte, error) {
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toser := make(map[string]interface{})
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for k, v := range v.Extensions {
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lk := strings.ToLower(k)
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if strings.HasPrefix(lk, "x-") {
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toser[k] = v
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}
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}
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return json.Marshal(toser)
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}
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// UnmarshalJSON for this extensible object
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func (v *VendorExtensible) UnmarshalJSON(data []byte) error {
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var d map[string]interface{}
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if err := json.Unmarshal(data, &d); err != nil {
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return err
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}
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for k, vv := range d {
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lk := strings.ToLower(k)
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if strings.HasPrefix(lk, "x-") {
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if v.Extensions == nil {
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v.Extensions = map[string]interface{}{}
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}
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v.Extensions[k] = vv
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}
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}
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return nil
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}
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