yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/huawei/keypair.go (about)

     1  // Copyright 2019 Yunion
     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  package huawei
    16  
    17  import (
    18  	"fmt"
    19  	"strconv"
    20  	"strings"
    21  	"time"
    22  
    23  	"github.com/aokoli/goutils"
    24  	"golang.org/x/crypto/ssh"
    25  
    26  	"yunion.io/x/jsonutils"
    27  )
    28  
    29  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212676.html
    30  type SKeypair struct {
    31  	Fingerprint string `json:"fingerprint"`
    32  	Name        string `json:"name"`
    33  	PublicKey   string `json:"public_key"`
    34  }
    35  
    36  func (self *SRegion) getFingerprint(publicKey string) (string, error) {
    37  	pk, _, _, _, err := ssh.ParseAuthorizedKey([]byte(publicKey))
    38  	if err != nil {
    39  		return "", fmt.Errorf("publicKey error %s", err)
    40  	}
    41  
    42  	fingerprint := strings.Replace(ssh.FingerprintLegacyMD5(pk), ":", "", -1)
    43  	return fingerprint, nil
    44  }
    45  
    46  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212676.html
    47  func (self *SRegion) GetKeypairs() ([]SKeypair, int, error) {
    48  	keypairs := make([]SKeypair, 0)
    49  	err := doListAll(self.ecsClient.Keypairs.List, nil, &keypairs)
    50  	return keypairs, len(keypairs), err
    51  }
    52  
    53  func (self *SRegion) lookUpKeypair(publicKey string) (string, error) {
    54  	keypairs, _, err := self.GetKeypairs()
    55  	if err != nil {
    56  		return "", err
    57  	}
    58  
    59  	fingerprint, err := self.getFingerprint(publicKey)
    60  	if err != nil {
    61  		return "", err
    62  	}
    63  
    64  	for _, keypair := range keypairs {
    65  		if keypair.Fingerprint == fingerprint {
    66  			return keypair.Name, nil
    67  		}
    68  	}
    69  
    70  	return "", fmt.Errorf("keypair not found %s", err)
    71  }
    72  
    73  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212678.html
    74  func (self *SRegion) ImportKeypair(name, publicKey string) (*SKeypair, error) {
    75  	keypairObj := jsonutils.NewDict()
    76  	keypairObj.Add(jsonutils.NewString(name), "name")
    77  	keypairObj.Add(jsonutils.NewString(publicKey), "public_key")
    78  	params := jsonutils.NewDict()
    79  	params.Set("keypair", keypairObj)
    80  	ret := SKeypair{}
    81  	err := DoCreate(self.ecsClient.Keypairs.Create, params, &ret)
    82  	return &ret, err
    83  }
    84  
    85  func (self *SRegion) importKeypair(publicKey string) (string, error) {
    86  	prefix, e := goutils.RandomAlphabetic(6)
    87  	if e != nil {
    88  		return "", fmt.Errorf("publicKey error %s", e)
    89  	}
    90  
    91  	name := prefix + strconv.FormatInt(time.Now().Unix(), 10)
    92  	if k, e := self.ImportKeypair(name, publicKey); e != nil {
    93  		return "", fmt.Errorf("keypair import error %s", e)
    94  	} else {
    95  		return k.Name, nil
    96  	}
    97  }
    98  
    99  func (self *SRegion) syncKeypair(publicKey string) (string, error) {
   100  	name, e := self.lookUpKeypair(publicKey)
   101  	if e == nil {
   102  		return name, nil
   103  	}
   104  	return self.importKeypair(publicKey)
   105  }