github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/runtime/kubernetes/api/response.go (about)

     1  // Licensed under the Apache License, Version 2.0 (the "License");
     2  // you may not use this file except in compliance with the License.
     3  // You may obtain a copy of the License at
     4  //
     5  //     https://www.apache.org/licenses/LICENSE-2.0
     6  //
     7  // Unless required by applicable law or agreed to in writing, software
     8  // distributed under the License is distributed on an "AS IS" BASIS,
     9  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    10  // See the License for the specific language governing permissions and
    11  // limitations under the License.
    12  //
    13  // Original source: github.com/micro/go-micro/v3/util/kubernetes/api/response.go
    14  
    15  package api
    16  
    17  import (
    18  	"encoding/json"
    19  	"errors"
    20  	"fmt"
    21  	"io/ioutil"
    22  	"net/http"
    23  )
    24  
    25  // Errors ...
    26  var (
    27  	ErrNotFound = errors.New("kubernetes: resource not found")
    28  	ErrDecode   = errors.New("kubernetes: error decoding")
    29  	ErrUnknown  = errors.New("kubernetes: unknown error")
    30  )
    31  
    32  // Status is an object that is returned when a request
    33  // failed or delete succeeded.
    34  type Status struct {
    35  	Kind    string `json:"kind"`
    36  	Status  string `json:"status"`
    37  	Message string `json:"message"`
    38  	Reason  string `json:"reason"`
    39  	Code    int    `json:"code"`
    40  }
    41  
    42  // Response ...
    43  type Response struct {
    44  	res *http.Response
    45  	err error
    46  
    47  	body []byte
    48  }
    49  
    50  // Error returns an error
    51  func (r *Response) Error() error {
    52  	return r.err
    53  }
    54  
    55  // StatusCode returns status code for response
    56  func (r *Response) StatusCode() int {
    57  	return r.res.StatusCode
    58  }
    59  
    60  // Into decode body into `data`
    61  func (r *Response) Into(data interface{}) error {
    62  	if r.err != nil {
    63  		return r.err
    64  	}
    65  
    66  	defer r.res.Body.Close()
    67  	decoder := json.NewDecoder(r.res.Body)
    68  	if err := decoder.Decode(&data); err != nil {
    69  		return fmt.Errorf("%v: %v", ErrDecode, err)
    70  	}
    71  
    72  	return r.err
    73  }
    74  
    75  func (r *Response) Close() error {
    76  	return r.res.Body.Close()
    77  }
    78  
    79  func newResponse(res *http.Response, err error) *Response {
    80  	r := &Response{
    81  		res: res,
    82  		err: err,
    83  	}
    84  
    85  	if err != nil {
    86  		return r
    87  	}
    88  
    89  	if r.res.StatusCode == http.StatusOK ||
    90  		r.res.StatusCode == http.StatusCreated ||
    91  		r.res.StatusCode == http.StatusNoContent {
    92  		// Non error status code
    93  		return r
    94  	}
    95  
    96  	if r.res.StatusCode == http.StatusNotFound {
    97  		r.err = ErrNotFound
    98  		return r
    99  	}
   100  
   101  	b, err := ioutil.ReadAll(r.res.Body)
   102  	if err == nil {
   103  		r.err = errors.New(string(b))
   104  		return r
   105  	}
   106  
   107  	r.err = ErrUnknown
   108  
   109  	return r
   110  }