kubernetes statuserror 源码

2022-09-18
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kubernetes statuserror 代码

文件路径：/staging/src/k8s.io/apiserver/pkg/admission/plugin/webhook/errors/statuserror.go

/*
Copyright 2017 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 errors

import (
	"fmt"
	"net/http"

	apierrors "k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

// ToStatusErr returns a StatusError with information about the webhook plugin
func ToStatusErr(webhookName string, result *metav1.Status) *apierrors.StatusError {
	deniedBy := fmt.Sprintf("admission webhook %q denied the request", webhookName)
	const noExp = "without explanation"

	if result == nil {
		result = &metav1.Status{Status: metav1.StatusFailure}
	}

	// Make sure we don't return < 400 status codes along with a rejection
	if result.Code < http.StatusBadRequest {
		result.Code = http.StatusBadRequest
	}
	// Make sure we don't return "" or "Success" status along with a rejection
	if result.Status == "" || result.Status == metav1.StatusSuccess {
		result.Status = metav1.StatusFailure
	}

	switch {
	case len(result.Message) > 0:
		result.Message = fmt.Sprintf("%s: %s", deniedBy, result.Message)
	case len(result.Reason) > 0:
		result.Message = fmt.Sprintf("%s: %s", deniedBy, result.Reason)
	default:
		result.Message = fmt.Sprintf("%s %s", deniedBy, noExp)
	}

	return &apierrors.StatusError{
		ErrStatus: *result,
	}
}

// NewDryRunUnsupportedErr returns a StatusError with information about the webhook plugin
func NewDryRunUnsupportedErr(webhookName string) *apierrors.StatusError {
	reason := fmt.Sprintf("admission webhook %q does not support dry run", webhookName)
	return apierrors.NewBadRequest(reason)
}

相关信息

kubernetes 源码目录

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本文标签： docker golang
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