cd42fdd7b8
This ensures that we can catch certain types of errors from providers and handle accordingly in the core. There is still more to do here to improve that but this resolves an immediate need to know why a Delete failed. vic provider was not updated since I could not figure out where to get this information.
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
// Package api contains the common code shared by all Azure API libraries.
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package api
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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)
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// Error contains an error response from the server.
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type Error struct {
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// StatusCode is the HTTP response status code and will always be populated.
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StatusCode int `json:"statusCode"`
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// Code is the API error code that is given in the error message.
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Code string `json:"code"`
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// Message is the server response message and is only populated when
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// explicitly referenced by the JSON server response.
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Message string `json:"message"`
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// Body is the raw response returned by the server.
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// It is often but not always JSON, depending on how the request fails.
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Body string
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// Header contains the response header fields from the server.
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Header http.Header
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// URL is the URL of the original HTTP request and will always be populated.
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URL string
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}
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// Error converts the Error type to a readable string.
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func (e *Error) Error() string {
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// If the message is empty return early.
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if e.Message == "" {
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return fmt.Sprintf("api call to %s: got HTTP response status code %d error code %q with body: %v", e.URL, e.StatusCode, e.Code, e.Body)
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}
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return fmt.Sprintf("api call to %s: got HTTP response status code %d error code %q: %s", e.URL, e.StatusCode, e.Code, e.Message)
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}
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type errorReply struct {
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Error *Error `json:"error"`
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}
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// CheckResponse returns an error (of type *Error) if the response
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// status code is not 2xx.
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func CheckResponse(res *http.Response) error {
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if res.StatusCode >= 200 && res.StatusCode <= 299 {
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return nil
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}
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slurp, err := ioutil.ReadAll(res.Body)
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if err == nil {
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jerr := new(errorReply)
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err = json.Unmarshal(slurp, jerr)
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if err == nil && jerr.Error != nil {
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if jerr.Error.StatusCode == 0 {
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jerr.Error.StatusCode = res.StatusCode
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}
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jerr.Error.Body = string(slurp)
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jerr.Error.URL = res.Request.URL.String()
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return jerr.Error
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}
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}
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return &Error{
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StatusCode: res.StatusCode,
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Body: res.Status,
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Header: res.Header,
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}
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}
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