/
client.go
237 lines (197 loc) · 6.44 KB
/
client.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
// Proof of Concepts for the Cloud-Barista Multi-Cloud Project.
// * Cloud-Barista: https://github.com/cloud-barista
//
// This code is based on the following material: https://github.com/mindjiver/gopherstack (MIT License)
//
// KT Cloud SDK go
//
// by ETRI, 2021.07.
package ktcloudsdk
import (
"crypto/hmac"
"crypto/sha1"
"crypto/tls"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"net/url"
"strings"
)
type KtCloudClient struct {
// The http client for communicating
client *http.Client
// The base URL of the API
BaseURL string
// Credentials
APIKey string
SecretKey string
}
// Creates a new client for communicating with KT Cloud
func (ktcloud KtCloudClient) New(apiUrl string, apiKey string, secretKey string, insecureSkipVerify bool) *KtCloudClient {
c := &KtCloudClient{
client: &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: insecureSkipVerify},
Proxy: http.ProxyFromEnvironment,
},
},
BaseURL: apiUrl,
APIKey: apiKey,
SecretKey: secretKey,
}
return c
}
func NewRequest(c KtCloudClient, request string, params url.Values) (interface{}, error) {
client := c.client
params.Set("apikey", c.APIKey)
params.Set("command", request)
params.Set("response", "json")
// Generate signature for API call
// * Serialize parameters and sort them by key, done by Encode()
// * Use byte sequence for '+' character as KT Cloud requires this
// * For the signature only, un-encode [ and ].
// * Convert the entire argument string to lowercase
// * Calculate HMAC SHA1 of argument string with KT Cloud secret key
// * URL encode the string and convert to base64
s := params.Encode()
s2 := strings.Replace(s, "+", "%20", -1)
s3 := strings.ToLower(strings.Replace(strings.Replace(s2, "%5B", "[", -1), "%5D", "]", -1))
mac := hmac.New(sha1.New, []byte(c.SecretKey))
mac.Write([]byte(s3))
signature := base64.StdEncoding.EncodeToString(mac.Sum(nil))
signature = url.QueryEscape(signature)
// Create the final URL before we issue the request
// For some reason KT Cloud refuses to accept '+' as a space character so we byte escape it instead.
url := c.BaseURL + "?" + s2 + "&signature=" + signature
// log.Printf("### Calling : %s ", url)
resp, err := client.Get(url)
if err != nil {
return nil, err
}
body, err := io.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, err
}
// log.Printf("Response from KT Cloud: %d - %s", resp.StatusCode, body)
if resp.StatusCode != 200 {
err = errors.New(fmt.Sprintf("Received HTTP client/server error from KT Cloud: %d - %s", resp.StatusCode, body))
return nil, err
}
switch request {
default:
log.Printf("Unknown request %s", request)
// SSH Key
case "createSSHKeyPair":
var decodedResponse CreateSshKeyPairResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listSSHKeyPairs":
var decodedResponse ListSshKeyPairsResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
//~~~ keypairs res... 에서 중간 s자 주의
case "deleteSSHKeyPair":
var decodedResponse DeleteSshKeyPairResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
// Server(VirtualMachine)
case "deployVirtualMachine":
var decodedResponse DeployVirtualMachineResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "destroyVirtualMachine":
var decodedResponse DestroyVirtualMachineResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "startVirtualMachine":
var decodedResponse StartVirtualMachineResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "stopVirtualMachine":
var decodedResponse StopVirtualMachineResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "rebootVirtualMachine":
var decodedResponse RebootVirtualMachineResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listVirtualMachines":
var decodedResponse ListVirtualMachinesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
// Product Type
case "listAvailableProductTypes":
var decodedResponse ListAvailableProductTypesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
// AsyncJob
case "queryAsyncJobResult":
var decodedResponse QueryAsyncJobResultResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
// Tag
case "createTags":
var decodedResponse CreateTagsResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listTags":
var decodedResponse ListTagsResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "deleteTags":
var decodedResponse DeleteTagsResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
// Zone
case "listZones":
var decodedResponse ListZonesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
//Firewallrule
case "createFirewallRule":
var decodedResponse CreateFirewallRuleResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listFirewallRules":
var decodedResponse ListFirewallRulesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "deleteFirewallRule":
var decodedResponse DeleteFirewallRuleResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
//Public IP
case "associateIpAddress":
var decodedResponse AssociateIpAddressResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listPublicIpAddresses":
var decodedResponse ListPublicIpAddressesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "disassociateIpAddress":
var decodedResponse DisassociateIpAddressResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
//PortForwarding Rule
case "createPortForwardingRule":
var decodedResponse CreatePortForwardingRuleResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "listPortForwardingRules":
var decodedResponse ListPortForwardingRulesResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
case "deletePortForwardingRule":
var decodedResponse DeletePortForwardingRuleResponse
json.Unmarshal(body, &decodedResponse)
return decodedResponse, nil
}
// only reached with unknown request
return "", nil
}