github.com/mirantis/virtlet@v1.5.2-0.20191204181327-1659b8a48e9b/pkg/utils/uuid.go (about)

     1  /*
     2  Copyright 2016 Mirantis
     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 utils
    18  
    19  import (
    20  	"log"
    21  
    22  	uuid "github.com/nu7hatch/gouuid"
    23  )
    24  
    25  // NewUUID returns a new uuid4 as a string
    26  func NewUUID() string {
    27  	u, err := uuid.NewV4()
    28  	if err != nil {
    29  		log.Panicf("can't generate new uuid4: %v", err)
    30  	}
    31  	return u.String()
    32  }
    33  
    34  // NewUUID5 returns a new uuid5 as a string
    35  func NewUUID5(nsUUID, s string) string {
    36  	ns, err := uuid.ParseHex(nsUUID)
    37  	if err != nil {
    38  		log.Panicf("can't parse namespace uuid: %v", err)
    39  	}
    40  	u, err := uuid.NewV5(ns, []byte(s))
    41  	if err != nil {
    42  		log.Panicf("can't generate new uuid5: %v", err)
    43  	}
    44  	return u.String()
    45  }