esctl/pkg/es/errors.go

/*
Copyright © 2026 Thomas von Dein

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package es

import (
	"errors"
	"fmt"
	"strings"

	"github.com/elastic/go-elasticsearch/v9/typedapi/types"
)

func esErrorString(err error) error {
	msg := err.Error()

	switch e := err.(type) {
	case *types.ElasticsearchError:
		var causes strings.Builder

		for _, cause := range e.ErrorCause.RootCause {
			causes.WriteString(fmt.Sprintf("%s\n", *cause.Reason))
		}

		if e.ErrorCause.Reason != nil {
			msg = *e.ErrorCause.Reason + ": " + causes.String()
		} else {
			msg = fmt.Sprintf("http status %d: ", e.Status)
		}

	}

	return errors.New(msg)
}