Docker 搭建FastDFS文件系统

1、检索和拉取fastDFS镜像

1. # 检索fastdfs
2. docker search fastdfs
4. # 拉取fastdfs
5. docker pull delron/fastdfs

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2、使用docker镜像构建tracker容器

跟踪服务器，起到调度的作用

1. # 创建tracker 挂载文件目录
2. mkdir -p /usr/local/fdfs/tracker
3. # 创建fastdfs 跟踪服务器tracker
4. docker run -d --network=host --name tracker -v

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1. [root@localhost ~]# mkdir -p /usr/local/fdfs/tracker
2. [root@localhost ~]# docker run -d --network=host --name tracker -v /usr/local/fdfs/tracker:/var/fdfs delron/fastdfs tracker
3. 77cf76bd57a63a98b6bcff52d4edc34d2f02f558a6b17f9d048a303f4660d0ae

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3、使用docker镜像构建storage容器

存储服务器，提供容量和备份服务
TRACKER_SERVER=本机的ip地址:22122 本机ip地址不要使用127.0.0.1

1. # 创建storage 挂载目录
2. mkdir -p /usr/local/fdfs/storage
4. # 创建fastdfs 存储服务器storage
5. docker run -d --network=host --name storage -e TRACKER_SERVER=192.168.43.10:22122 -v /usr/local/fdfs/storage:/var/fdfs -e GROUP_NAME=group1 delron/fastdfs storage

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1. [root@localhost ~]# mkdir -p /usr/local/fdfs/storage
2. [root@localhost ~]# docker run -d --network=host --name storage -e TRACKER_SERVER=192.168.43.10:22122 -v /usr/local/fdfs/storage:/var/fdfs -e GROUP_NAME=group1 delron/fastdfs storage

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• 说明1
  x.x.x.x这里要说明一下：这个地址必须使用服务器的的外网地址，否则上传的时候连不上服务器。
  
• 说明2
  group1这个不要随便修改，因为默认的nginx的配置中使用的是0到9的数字，如果想修改这个名字，得进入到storage容器中修改nginx的配置文件
  

此时两个服务都以启动，进行fastdfs服务的相关配置。
4、storage容器配置

4.1 storage 配置文件

进入storage容器，到storage的配置文件中配置http访问的端口，配置文件在/etc/fdfs目录下的storage.conf。

1. #进入storage 容器后台服务
2. [root@localhost ~]# docker exec -it storage /bin/bash
3. # 切换至storage.cnf 文件所在目录/etc/fdfs
4. [root@localhost nginx-1.12.2]# cd /etc/fdfs
5. [root@localhost fdfs]# ls -a
6. .                   mime.types           storage_ids.conf.sample
7. ..                  mod_fastdfs.conf     tracker.conf
8. client.conf         storage.conf         tracker.conf.sample
9. client.conf.sample  storage.conf.sample
10. http.conf           storage_ids.conf
11. [root@localhost fdfs]# vi storage.conf
12. # 查看storage.cnf 文件相关配置
13. [root@localhost fdfs]# cat storage.conf.sample
14. # is this config file disabled
15. # false for enabled
16. # true for disabled
17. disabled=false
19. # the name of the group this storage server belongs to
20. #
21. # comment or remove this item for fetching from tracker server,
22. # in this case, use_storage_id must set to true in tracker.conf,
23. # and storage_ids.conf must be configed correctly.
24. group_name=group1
26. # bind an address of this host
27. # empty for bind all addresses of this host
28. bind_addr=
30. # if bind an address of this host when connect to other servers
31. # (this storage server as a client)
32. # true for binding the address configed by above parameter: "bind_addr"
33. # false for binding any address of this host
34. client_bind=true
36. # the storage server port
37. port=23000
39. # connect timeout in seconds
40. # default value is 30s
41. connect_timeout=30
43. # network timeout in seconds
44. # default value is 30s
45. network_timeout=60
47. # heart beat interval in seconds
48. heart_beat_interval=30
50. # disk usage report interval in seconds
51. stat_report_interval=60
53. # the base path to store data and log files
54. base_path=/home/yuqing/fastdfs
56. # max concurrent connections the server supported
57. # default value is 256
58. # more max_connections means more memory will be used
59. max_connections=256
61. # the buff size to recv / send data
62. # this parameter must more than 8KB
63. # default value is 64KB
64. # since V2.00
65. buff_size = 256KB
67. # accept thread count
68. # default value is 1
69. # since V4.07
70. accept_threads=1
72. # work thread count, should <= max_connections
73. # work thread deal network io
74. # default value is 4
75. # since V2.00
76. work_threads=4
78. # if disk read / write separated
79. ##  false for mixed read and write
80. ##  true for separated read and write
81. # default value is true
82. # since V2.00
83. disk_rw_separated = true
85. # disk reader thread count per store base path
86. # for mixed read / write, this parameter can be 0
87. # default value is 1
88. # since V2.00
89. disk_reader_threads = 1
91. # disk writer thread count per store base path
92. # for mixed read / write, this parameter can be 0
93. # default value is 1
94. # since V2.00
95. disk_writer_threads = 1
97. # when no entry to sync, try read binlog again after X milliseconds
98. # must > 0, default value is 200ms
99. sync_wait_msec=50
101. # after sync a file, usleep milliseconds
102. # 0 for sync successively (never call usleep)
103. sync_interval=0
105. # storage sync start time of a day, time format: Hour:Minute
106. # Hour from 0 to 23, Minute from 0 to 59
107. sync_start_time=00:00
109. # storage sync end time of a day, time format: Hour:Minute
110. # Hour from 0 to 23, Minute from 0 to 59
111. sync_end_time=23:59
113. # write to the mark file after sync N files
114. # default value is 500
115. write_mark_file_freq=500
117. # path(disk or mount point) count, default value is 1
118. store_path_count=1
120. # store_path#, based 0, if store_path0 not exists, it's value is base_path
121. # the paths must be exist
122. store_path0=/home/yuqing/fastdfs
123. #store_path1=/home/yuqing/fastdfs2
125. # subdir_count  * subdir_count directories will be auto created under each
126. # store_path (disk), value can be 1 to 256, default value is 256
127. subdir_count_per_path=256
129. # tracker_server can ocur more than once, and tracker_server format is
130. #  "host:port", host can be hostname or ip address
131. tracker_server=192.168.209.121:22122
133. #standard log level as syslog, case insensitive, value list:
134. ### emerg for emergency
135. ### alert
136. ### crit for critical
137. ### error
138. ### warn for warning
139. ### notice
140. ### info
141. ### debug
142. log_level=info
144. #unix group name to run this program,
145. #not set (empty) means run by the group of current user
146. run_by_group=
148. #unix username to run this program,
149. #not set (empty) means run by current user
150. run_by_user=
152. # allow_hosts can ocur more than once, host can be hostname or ip address,
153. # "*" (only one asterisk) means match all ip addresses
154. # we can use CIDR ips like 192.168.5.64/26
155. # and also use range like these: 10.0.1.[0-254] and host[01-08,20-25].domain.com
156. # for example:
157. # allow_hosts=10.0.1.[1-15,20]
158. # allow_hosts=host[01-08,20-25].domain.com
159. # allow_hosts=192.168.5.64/26
160. allow_hosts=*
162. # the mode of the files distributed to the data path
163. # 0: round robin(default)
164. # 1: random, distributted by hash code
165. file_distribute_path_mode=0
167. # valid when file_distribute_to_path is set to 0 (round robin),
168. # when the written file count reaches this number, then rotate to next path
169. # default value is 100
170. file_distribute_rotate_count=100
172. # call fsync to disk when write big file
173. # 0: never call fsync
174. # other: call fsync when written bytes >= this bytes
175. # default value is 0 (never call fsync)
176. fsync_after_written_bytes=0
178. # sync log buff to disk every interval seconds
179. # must > 0, default value is 10 seconds
180. sync_log_buff_interval=10
182. # sync binlog buff / cache to disk every interval seconds
183. # default value is 60 seconds
184. sync_binlog_buff_interval=10
186. # sync storage stat info to disk every interval seconds
187. # default value is 300 seconds
188. sync_stat_file_interval=300
190. # thread stack size, should >= 512KB
191. # default value is 512KB
192. thread_stack_size=512KB
194. # the priority as a source server for uploading file.
195. # the lower this value, the higher its uploading priority.
196. # default value is 10
197. upload_priority=10
199. # the NIC alias prefix, such as eth in Linux, you can see it by ifconfig -a
200. # multi aliases split by comma. empty value means auto set by OS type
201. # default values is empty
202. if_alias_prefix=
204. # if check file duplicate, when set to true, use FastDHT to store file indexes
205. # 1 or yes: need check
206. # 0 or no: do not check
207. # default value is 0
208. check_file_duplicate=0
210. # file signature method for check file duplicate
211. ## hash: four 32 bits hash code
212. ## md5: MD5 signature
213. # default value is hash
214. # since V4.01
215. file_signature_method=hash
217. # namespace for storing file indexes (key-value pairs)
218. # this item must be set when check_file_duplicate is true / on
219. key_namespace=FastDFS
221. # set keep_alive to 1 to enable persistent connection with FastDHT servers
222. # default value is 0 (short connection)
223. keep_alive=0
225. # you can use "#include filename" (not include double quotes) directive to
226. # load FastDHT server list, when the filename is a relative path such as
227. # pure filename, the base path is the base path of current/this config file.
228. # must set FastDHT server list when check_file_duplicate is true / on
229. # please see INSTALL of FastDHT for detail
230. ##include /home/yuqing/fastdht/conf/fdht_servers.conf
232. # if log to access log
233. # default value is false
234. # since V4.00
235. use_access_log = false
237. # if rotate the access log every day
238. # default value is false
239. # since V4.00
240. rotate_access_log = false
242. # rotate access log time base, time format: Hour:Minute
243. # Hour from 0 to 23, Minute from 0 to 59
244. # default value is 00:00
245. # since V4.00
246. access_log_rotate_time=00:00
248. # if rotate the error log every day
249. # default value is false
250. # since V4.02
251. rotate_error_log = false
253. # rotate error log time base, time format: Hour:Minute
254. # Hour from 0 to 23, Minute from 0 to 59
255. # default value is 00:00
256. # since V4.02
257. error_log_rotate_time=00:00
259. # rotate access log when the log file exceeds this size
260. # 0 means never rotates log file by log file size
261. # default value is 0
262. # since V4.02
263. rotate_access_log_size = 0
265. # rotate error log when the log file exceeds this size
266. # 0 means never rotates log file by log file size
267. # default value is 0
268. # since V4.02
269. rotate_error_log_size = 0
271. # keep days of the log files
272. # 0 means do not delete old log files
273. # default value is 0
274. log_file_keep_days = 0
276. # if skip the invalid record when sync file
277. # default value is false
278. # since V4.02
279. file_sync_skip_invalid_record=false
281. # if use connection pool
282. # default value is false
283. # since V4.05
284. use_connection_pool = false
286. # connections whose the idle time exceeds this time will be closed
287. # unit: second
288. # default value is 3600
289. # since V4.05
290. connection_pool_max_idle_time = 3600
292. # use the ip address of this storage server if domain_name is empty,
293. # else this domain name will ocur in the url redirected by the tracker server
294. http.domain_name=
296. # the port of the web server on this storage server
297. http.server_port=8888

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 默认端口是8888，可以进行修改也可以不进行修改（建议不进行修改）。
4.2 nginx 配置

进入storage容器配置nginx，在/usr/local/nginx目录下，修改nginx.conf文件

默认配置如下：
 可以修改为如下

1. # 路径地址
2. location /group1/M00 {
4.         alias  /var/fdfs;  #storage 实现存储文件目录
6.     }

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 也可以不做任何修改。（建议不做修改）
5、Tracker容器配置

进入到tracker服务器，配置一下tracker_server的服务器地址。

1. # 进入tracker 服务配置
2. docker exec -it tracker /bin/bash
3. # 编辑storage 服务地址
4. vi /etc/fdfs/client.conf

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1. [root@localhost ~]# docker exec -it tracker /bin/bash
2. [root@localhost nginx-1.12.2]# cat /etc/fdfs/client.conf
3. # connect timeout in seconds
4. # default value is 30s
5. connect_timeout=30
7. # network timeout in seconds
8. # default value is 30s
9. network_timeout=60
11. # the base path to store log files
12. base_path=/var/fdfs
14. # tracker_server can ocur more than once, and tracker_server format is
15. #  "host:port", host can be hostname or ip address
16. tracker_server=192.168.0.197:22122

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将配置 tracker_server=x.x.x.x:22122
到这其实fastDFS就配好了
这里的x.x.x.x也建议设置为服务器的内网ip。
6、文件上传测试

进入storage容器，进入/var/fdfs目录

1. # 进入storage 容器后台服务
2. docker exec -it storage bash
3. # 切换至storage 上传文件实际存储目录地址
4. cd /var/fdfs
5. # 在当前目录新建a.txt 文件，并且写入hello, world 内容
6. echo hello,world>a.txt
7. # 执行a.txt 文本上传
8. /usr/bin/fdfs_upload_file /etc/fdfs/client.conf a.txt

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1. [root@localhost ~]# docker exec -it storage bash
2. [root@localhost nginx-1.12.2]# cd /var/fdfs
3. [root@localhost fdfs]# echo hello,world>a.txt
4. [root@localhost fdfs]# /usr/bin/fdfs_upload_file /etc/fdfs/client.conf a.txt
5. group1/M00/00/00/wKgrCmKuo9GAX5N6AAAADLMSuiI034.txt

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浏览器访问 http://ip:8888group1/M00/00/00/wKgrCmKuo9GAX5N6AAAADLMSuiI034.txt
端口根据你在starage里面设置的要保持一致，访问之前关闭防火墙 或者自己单独开放端口命令如下：

 7、开放端口（我个人是关闭CentOS 宿主主机的防火墙）

1. firewall-cmd --zone=public --permanent --add-port=8888/tcp
3. firewall-cmd --zone=public --permanent --add-port=22122/tcp
5. firewall-cmd --zone=public --permanent --add-port=23000/tcp
7. # 重启防火墙
8. systemctl restart firewalld

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8、开机启动容器（一般是运维执行指令，对于普通开发建议使用）

1. docker update --restart=always tracker
3. docker update --restart=always storage

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