github.com/containerd/containerd@v22.0.0-20200918172823-438c87b8e050+incompatible/remotes/errors/errors.go (about)

     1  /*
     2     Copyright The containerd Authors.
     3  
     4     Licensed under the Apache License, Version 2.0 (the "License");
     5     you may not use this file except in compliance with the License.
     6     You may obtain a copy of the License at
     7  
     8         http://www.apache.org/licenses/LICENSE-2.0
     9  
    10     Unless required by applicable law or agreed to in writing, software
    11     distributed under the License is distributed on an "AS IS" BASIS,
    12     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13     See the License for the specific language governing permissions and
    14     limitations under the License.
    15  */
    16  
    17  package errors
    18  
    19  import (
    20  	"fmt"
    21  	"io"
    22  	"io/ioutil"
    23  	"net/http"
    24  )
    25  
    26  var _ error = ErrUnexpectedStatus{}
    27  
    28  // ErrUnexpectedStatus is returned if a registry API request returned with unexpected HTTP status
    29  type ErrUnexpectedStatus struct {
    30  	Status     string
    31  	StatusCode int
    32  	Body       []byte
    33  }
    34  
    35  func (e ErrUnexpectedStatus) Error() string {
    36  	return fmt.Sprintf("unexpected status: %s", e.Status)
    37  }
    38  
    39  // NewUnexpectedStatusErr creates an ErrUnexpectedStatus from HTTP response
    40  func NewUnexpectedStatusErr(resp *http.Response) error {
    41  	var b []byte
    42  	if resp.Body != nil {
    43  		b, _ = ioutil.ReadAll(io.LimitReader(resp.Body, 64000)) // 64KB
    44  	}
    45  	return ErrUnexpectedStatus{Status: resp.Status, StatusCode: resp.StatusCode, Body: b}
    46  }