internal/error.go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package internal

import (
	"fmt"

	"github.com/pkg/errors"
)

type stackTracer interface {
	StackTrace() errors.StackTrace
}

func MarshallStack(err error) interface{} {
	if e, ok := err.(stackTracer); ok {
		st := e.StackTrace()
		return fmt.Sprintf("%+v", st)
	}

	return nil
}