jsonify_error.go

Documentation: github.com/chaos-mesh/chaos-mesh/pkg/workflow/errors

     1  // Copyright 2021 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package errors
    17  
    18  import (
    19  	"encoding/json"
    20  	"fmt"
    21  	"reflect"
    22  
    23  	"golang.org/x/xerrors"
    24  )
    25  
    26  func toJsonOrFallbackToError(origin error) string {
    27  	out, err := json.Marshal(origin)
    28  	if err != nil {
    29  		if wrapper, ok := err.(xerrors.Wrapper); ok {
    30  			return fmt.Sprintf(
    31  				"failed to jsonify error on type %s, json error: %s; origin error message: %s",
    32  				reflect.TypeOf(origin).Name(),
    33  				err,
    34  				wrapper.Unwrap().Error(),
    35  			)
    36  		}
    37  		return fmt.Sprintf(
    38  			"failed to jsonify error on type %s, json error, %s; also failed to Unwrap() on it.",
    39  			reflect.TypeOf(origin).Name(),
    40  			err,
    41  		)
    42  
    43  	}
    44  	return string(out)
    45  }
    46