yunion.io/x/cloudmux@v0.3.10-0-alpha.1/pkg/multicloud/hcs/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 hcs
    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  
    27  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212676.html
    28  type SKeypair struct {
    29  	Fingerprint string `json:"fingerprint"`
    30  	Name        string `json:"name"`
    31  	PublicKey   string `json:"public_key"`
    32  }
    33  
    34  func (self *SRegion) getFingerprint(publicKey string) (string, error) {
    35  	pk, _, _, _, err := ssh.ParseAuthorizedKey([]byte(publicKey))
    36  	if err != nil {
    37  		return "", fmt.Errorf("publicKey error %s", err)
    38  	}
    39  
    40  	fingerprint := strings.Replace(ssh.FingerprintLegacyMD5(pk), ":", "", -1)
    41  	return fingerprint, nil
    42  }
    43  
    44  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212676.html
    45  func (self *SRegion) GetKeypairs() ([]SKeypair, error) {
    46  	ret := []SKeypair{}
    47  	return ret, self.list("ecs", "v2.1", "os-keypairs", nil, &ret)
    48  }
    49  
    50  func (self *SRegion) lookUpKeypair(publicKey string) (string, error) {
    51  	keypairs, err := self.GetKeypairs()
    52  	if err != nil {
    53  		return "", err
    54  	}
    55  
    56  	fingerprint, err := self.getFingerprint(publicKey)
    57  	if err != nil {
    58  		return "", err
    59  	}
    60  
    61  	for _, keypair := range keypairs {
    62  		if keypair.Fingerprint == fingerprint {
    63  			return keypair.Name, nil
    64  		}
    65  	}
    66  
    67  	return "", fmt.Errorf("keypair not found %s", err)
    68  }
    69  
    70  // https://support.huaweicloud.com/api-ecs/zh-cn_topic_0020212678.html
    71  func (self *SRegion) ImportKeypair(name, publicKey string) (*SKeypair, error) {
    72  	params := map[string]interface{}{
    73  		"keypair": map[string]interface{}{
    74  			"name":       name,
    75  			"public_key": publicKey,
    76  		},
    77  	}
    78  	ret := &SKeypair{}
    79  	return ret, self.create("ecs", "v2.1", "os-keypairs", params, ret)
    80  }
    81  
    82  func (self *SRegion) importKeypair(publicKey string) (string, error) {
    83  	prefix, e := goutils.RandomAlphabetic(6)
    84  	if e != nil {
    85  		return "", fmt.Errorf("publicKey error %s", e)
    86  	}
    87  
    88  	name := prefix + strconv.FormatInt(time.Now().Unix(), 10)
    89  	k, e := self.ImportKeypair(name, publicKey)
    90  	if e != nil {
    91  		return "", fmt.Errorf("keypair import error %s", e)
    92  	}
    93  	return k.Name, nil
    94  }
    95  
    96  func (self *SRegion) syncKeypair(publicKey string) (string, error) {
    97  	name, e := self.lookUpKeypair(publicKey)
    98  	if e == nil {
    99  		return name, nil
   100  	}
   101  	return self.importKeypair(publicKey)
   102  }