Cloudpods/backend/vendor/yunion.io/x/pkg/utils/uuid.go

// Copyright 2019 Yunion
//
// Licensed 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 utils

import (
	"crypto/rand"
	"encoding/hex"

	"yunion.io/x/log"
)

func GenRequestId(bytes int) string {
	b := make([]byte, bytes)
	_, err := rand.Read(b)
	if err != nil {
		log.Errorf("Fail to generate Request Id: %s", err)
		return ""
	}
	return hex.EncodeToString(b)
}