/
sftp.go
273 lines (258 loc) · 7.05 KB
/
sftp.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
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package sources
import (
"fmt"
"io/ioutil"
"net"
"os"
"path/filepath"
"strconv"
"github.com/Sirupsen/logrus"
"github.com/goodrain/rainbond/event"
"github.com/goodrain/rainbond/util"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/agent"
"github.com/pkg/sftp"
)
//SFTPClient sFTP客户端
type SFTPClient struct {
UserName string `json:"username"`
PassWord string `json:"password"`
Host string `json:"host"`
Port int `json:"int"`
conn *ssh.Client
sftpClient *sftp.Client
}
//NewSFTPClient NewSFTPClient
func NewSFTPClient(username, password, host, port string) (*SFTPClient, error) {
fb := &SFTPClient{
UserName: username,
PassWord: password,
Host: host,
}
if len(port) != 0 {
var err error
fb.Port, err = strconv.Atoi(port)
if err != nil {
fb.Port = 21
}
} else {
fb.Port = 21
}
var auths []ssh.AuthMethod
if aconn, err := net.Dial("unix", os.Getenv("SSH_AUTH_SOCK")); err == nil {
auths = append(auths, ssh.PublicKeysCallback(agent.NewClient(aconn).Signers))
}
if fb.PassWord != "" {
auths = append(auths, ssh.Password(fb.PassWord))
}
config := ssh.ClientConfig{
User: username,
Auth: auths,
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
}
addr := fmt.Sprintf("%s:%d", host, fb.Port)
conn, err := ssh.Dial("tcp", addr, &config)
if err != nil {
logrus.Errorf("unable to connect to [%s]: %v", addr, err)
return nil, err
}
c, err := sftp.NewClient(conn, sftp.MaxPacket(1<<15))
if err != nil {
logrus.Errorf("unable to start sftp subsytem: %v", err)
return nil, err
}
fb.conn = conn
fb.sftpClient = c
return fb, nil
}
//Close 关闭啊
func (s *SFTPClient) Close() {
if s.sftpClient != nil {
s.sftpClient.Close()
}
if s.conn != nil {
s.conn.Close()
}
}
func (s *SFTPClient) checkMd5(src, dst string, logger event.Logger) (bool, error) {
if err := util.CreateFileHash(src, src+".md5"); err != nil {
return false, err
}
existmd5, err := s.FileExist(dst + ".md5")
if err != nil && err.Error() != "file does not exist" {
return false, err
}
exist, err := s.FileExist(dst)
if err != nil && err.Error() != "file does not exist" {
return false, err
}
if exist && existmd5 {
if err := s.DownloadFile(dst+".md5", src+".md5.old", logger); err != nil {
return false, err
}
old, err := ioutil.ReadFile(src + ".md5.old")
if err != nil {
return false, err
}
os.Remove(src + ".md5.old")
new, err := ioutil.ReadFile(src + ".md5")
if err != nil {
return false, err
}
if string(old) == string(new) {
return true, nil
}
}
return false, nil
}
//PushFile PushFile
func (s *SFTPClient) PushFile(src, dst string, logger event.Logger) error {
logger.Info(fmt.Sprintf("开始上传代码包到FTP服务器"), map[string]string{"step": "slug-share"})
ok, err := s.checkMd5(src, dst, logger)
if err != nil {
return err
}
if ok {
return nil
}
srcFile, err := os.OpenFile(src, os.O_RDONLY, 0644)
if err != nil {
if logger != nil {
logger.Error("打开源文件失败", map[string]string{"step": "share"})
}
return err
}
defer srcFile.Close()
srcStat, err := srcFile.Stat()
if err != nil {
if logger != nil {
logger.Error("打开源文件失败", map[string]string{"step": "share"})
}
return err
}
// check or create dir
dir := filepath.Dir(dst)
_, err = s.sftpClient.Stat(dir)
if err != nil {
if err.Error() == "file does not exist" {
err := s.MkdirAll(dir)
if err != nil {
if logger != nil {
logger.Error("创建目标文件目录失败", map[string]string{"step": "share"})
}
return err
}
} else {
if logger != nil {
logger.Error("检测目标文件目录失败", map[string]string{"step": "share"})
}
return err
}
}
// remove all file if exist
s.sftpClient.Remove(dst)
dstFile, err := s.sftpClient.Create(dst)
if err != nil {
if logger != nil {
logger.Error("打开目标文件失败", map[string]string{"step": "share"})
}
return err
}
defer dstFile.Close()
allSize := srcStat.Size()
if err := CopyWithProgress(srcFile, dstFile, allSize, logger); err != nil {
return err
}
// write remote md5 file
md5, _ := ioutil.ReadFile(src + ".md5")
dstMd5File, err := s.sftpClient.Create(dst + ".md5")
if err != nil {
logrus.Errorf("create md5 file in sftp server error.%s", err.Error())
return nil
}
defer dstMd5File.Close()
if _, err := dstMd5File.Write(md5); err != nil {
logrus.Errorf("write md5 file in sftp server error.%s", err.Error())
}
return nil
}
//DownloadFile DownloadFile
func (s *SFTPClient) DownloadFile(src, dst string, logger event.Logger) error {
logger.Info(fmt.Sprintf("开始从FTP服务器下载代码包"), map[string]string{"step": "slug-share"})
srcFile, err := s.sftpClient.OpenFile(src, 0644)
if err != nil {
if logger != nil {
logger.Error("打开源文件失败", map[string]string{"step": "share"})
}
return err
}
defer srcFile.Close()
srcStat, err := srcFile.Stat()
if err != nil {
if logger != nil {
logger.Error("打开源文件失败", map[string]string{"step": "share"})
}
return err
}
// 验证并创建目标目录
dir := filepath.Dir(dst)
if err := util.CheckAndCreateDir(dir); err != nil {
if logger != nil {
logger.Error("检测并创建目标文件目录失败", map[string]string{"step": "share"})
}
return err
}
// 先删除文件如果存在
os.Remove(dst)
dstFile, err := os.OpenFile(dst, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644)
if err != nil {
if logger != nil {
logger.Error("打开目标文件失败", map[string]string{"step": "share"})
}
return err
}
defer dstFile.Close()
allSize := srcStat.Size()
return CopyWithProgress(srcFile, dstFile, allSize, logger)
}
//FileExist 文件是否存在
func (s *SFTPClient) FileExist(filepath string) (bool, error) {
if _, err := s.sftpClient.Stat(filepath); err != nil {
return false, err
}
return true, nil
}
//MkdirAll 创建目录,递归
func (s *SFTPClient) MkdirAll(dirpath string) error {
parentDir := filepath.Dir(dirpath)
_, err := s.sftpClient.Stat(parentDir)
if err != nil {
if err.Error() == "file does not exist" {
err := s.MkdirAll(parentDir)
if err != nil {
return err
}
} else {
return err
}
}
err = s.sftpClient.Mkdir(dirpath)
if err != nil {
return err
}
return nil
}