micro/util/kubernetes/api/response.go

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package api
import (
"encoding/json"
"errors"
"io/ioutil"
"net/http"
)
// Errors ...
var (
ErrNotFound = errors.New("kubernetes: resource not found")
ErrDecode = errors.New("kubernetes: error decoding")
ErrUnknown = errors.New("kubernetes: unknown error")
)
// Status is an object that is returned when a request
// failed or delete succeeded.
// type Status struct {
// Kind string `json:"kind"`
// Status string `json:"status"`
// Message string `json:"message"`
// Reason string `json:"reason"`
// Code int `json:"code"`
// }
// Response ...
type Response struct {
res *http.Response
err error
body []byte
}
// Error returns an error
func (r *Response) Error() error {
return r.err
}
// StatusCode returns status code for response
func (r *Response) StatusCode() int {
return r.res.StatusCode
}
// Into decode body into `data`
func (r *Response) Into(data interface{}) error {
if r.err != nil {
return r.err
}
defer r.res.Body.Close()
decoder := json.NewDecoder(r.res.Body)
err := decoder.Decode(&data)
if err != nil {
return ErrDecode
}
return r.err
}
func (r *Response) Close() error {
return r.res.Body.Close()
}
func newResponse(res *http.Response, err error) *Response {
r := &Response{
res: res,
err: err,
}
if err != nil {
return r
}
if r.res.StatusCode == http.StatusOK ||
r.res.StatusCode == http.StatusCreated ||
r.res.StatusCode == http.StatusNoContent {
// Non error status code
return r
}
if r.res.StatusCode == http.StatusNotFound {
r.err = ErrNotFound
return r
}
b, err := ioutil.ReadAll(r.res.Body)
if err == nil {
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r.err = errors.New(string(b))
return r
}
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r.err = ErrUnknown
return r
}