kubernetes errors 源码

2022-09-18
浏览 (193)

kubernetes errors 代码

文件路径：/staging/src/k8s.io/apiserver/pkg/endpoints/handlers/responsewriters/errors.go

/*
Copyright 2014 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 responsewriters

import (
	"context"
	"fmt"
	"net/http"
	"strings"

	apierrors "k8s.io/apimachinery/pkg/api/errors"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/apiserver/pkg/authorization/authorizer"
)

// Avoid emitting errors that look like valid HTML. Quotes are okay.
var sanitizer = strings.NewReplacer(`&`, "&amp;", `<`, "&lt;", `>`, "&gt;")

// Forbidden renders a simple forbidden error
func Forbidden(ctx context.Context, attributes authorizer.Attributes, w http.ResponseWriter, req *http.Request, reason string, s runtime.NegotiatedSerializer) {
	msg := sanitizer.Replace(forbiddenMessage(attributes))
	w.Header().Set("X-Content-Type-Options", "nosniff")

	var errMsg string
	if len(reason) == 0 {
		errMsg = fmt.Sprintf("%s", msg)
	} else {
		errMsg = fmt.Sprintf("%s: %s", msg, reason)
	}
	gv := schema.GroupVersion{Group: attributes.GetAPIGroup(), Version: attributes.GetAPIVersion()}
	gr := schema.GroupResource{Group: attributes.GetAPIGroup(), Resource: attributes.GetResource()}
	ErrorNegotiated(apierrors.NewForbidden(gr, attributes.GetName(), fmt.Errorf(errMsg)), s, gv, w, req)
}

func forbiddenMessage(attributes authorizer.Attributes) string {
	username := ""
	if user := attributes.GetUser(); user != nil {
		username = user.GetName()
	}

	if !attributes.IsResourceRequest() {
		return fmt.Sprintf("User %q cannot %s path %q", username, attributes.GetVerb(), attributes.GetPath())
	}

	resource := attributes.GetResource()
	if subresource := attributes.GetSubresource(); len(subresource) > 0 {
		resource = resource + "/" + subresource
	}

	if ns := attributes.GetNamespace(); len(ns) > 0 {
		return fmt.Sprintf("User %q cannot %s resource %q in API group %q in the namespace %q", username, attributes.GetVerb(), resource, attributes.GetAPIGroup(), ns)
	}

	return fmt.Sprintf("User %q cannot %s resource %q in API group %q at the cluster scope", username, attributes.GetVerb(), resource, attributes.GetAPIGroup())
}

// InternalError renders a simple internal error
func InternalError(w http.ResponseWriter, req *http.Request, err error) {
	http.Error(w, sanitizer.Replace(fmt.Sprintf("Internal Server Error: %q: %v", req.RequestURI, err)),
		http.StatusInternalServerError)
	utilruntime.HandleError(err)
}

相关信息

kubernetes 源码目录

相关文章

kubernetes doc 源码

kubernetes errors_test 源码

kubernetes status 源码

kubernetes status_test 源码

kubernetes writers 源码

kubernetes writers_test 源码

0 赞

所属分类： 后端技术
本文标签： docker golang
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/f2ffce207f6a421c9e657c9bd273d1cf

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
6、 harmony 鸿蒙初识ArkTS语言
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...