mirror of https://github.com/kubernetes/kops.git
108 lines
2.6 KiB
Go
108 lines
2.6 KiB
Go
/*
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Copyright 2021 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package gcphttp
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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)
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// errorResponseData is the response body for an error response.
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type errorResponseData struct {
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Error errorInfo `json:"error"`
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}
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type errorInfo struct {
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Code int `json:"code,omitempty"`
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Message string `json:"message,omitempty"`
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Status string `json:"status,omitempty"`
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}
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// ErrorNotFound builds a NOT_FOUND error response
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func ErrorNotFound(message string, args ...interface{}) (*http.Response, error) {
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statusCode := http.StatusNotFound
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e := errorResponseData{
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Error: errorInfo{
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Code: statusCode,
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Message: fmt.Sprintf(message, args...),
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Status: "NOT_FOUND",
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},
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}
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return buildJSONResponse(statusCode, e)
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}
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// ErrorBadRequest builds a BAD_REQUEST error response
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func ErrorBadRequest(message string, args ...interface{}) (*http.Response, error) {
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statusCode := http.StatusBadRequest
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// TODO: What does this actually look like?
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e := errorResponseData{
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Error: errorInfo{
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Code: statusCode,
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Message: fmt.Sprintf(message, args...),
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Status: "BAD_REQUEST",
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},
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}
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return buildJSONResponse(statusCode, e)
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}
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// ErrorAlreadyExists builds an ALREADY_EXISTS error response
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func ErrorAlreadyExists(message string, args ...interface{}) (*http.Response, error) {
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statusCode := http.StatusConflict
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e := errorResponseData{
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Error: errorInfo{
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Code: statusCode,
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Message: fmt.Sprintf(message, args...),
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Status: "ALREADY_EXISTS",
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},
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}
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return buildJSONResponse(statusCode, e)
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}
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// OKResponse builds an response encoding the provided data.
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func OKResponse(obj interface{}) (*http.Response, error) {
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return buildJSONResponse(http.StatusOK, obj)
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}
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func buildJSONResponse(statusCode int, obj interface{}) (*http.Response, error) {
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b, err := json.Marshal(obj)
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if err != nil {
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return nil, fmt.Errorf("failed to convert to JSON: %w", err)
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}
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r := &http.Response{
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Status: http.StatusText(statusCode),
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StatusCode: statusCode,
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}
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r.Header = make(http.Header)
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r.Header.Add("Content-Type", "application/json; charset=UTF-8")
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r.Body = io.NopCloser(bytes.NewReader(b))
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return r, nil
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}
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