FastDFS高可用集群架构配置搭建
一、基本模块及高可用架构
FastDFS 是余庆老师开发的一个开源的高性能分布式文件系统（DFS）。 它的主要功能包括：文件存储，文件同步和文件访问，以及高容量和负载平衡。
FastDFS 系统有三个角色：跟踪服务器(Tracker Server)、存储服务器(Storage Server)和客户端(Client)。
Tracker Server: 跟踪服务器，主要做调度工作，起到均衡的作用；负责管理所有的storage server和group，每个storage在启动后会连接 Tracker，告知自己所属 group 等信息，并保持周期性心跳。多个Tracker之间是对等关系，不存在单点故障。
Storage Server: 存储服务器，主要提供容量和备份服务；以 group 为单位，每个 group 内可以有多台 storage server，组内的storage server上的数据互为备份。
Client:客户端，上传下载数据的服务器
模块之间的主要关系如下：
下图是实现统一的对外下载访问入口的高可用架构，其中所有的Nginx只做下载用途，上传通过tracker进行上传。
二、环境准备工作
三、安装过程
1、编译环境准备
$ tar -zxvf libfastcommon-1.0.39.tar.gz
#安装编译环境
$ yum groups install Development Tools -y
$ yum install perl -y
$ mkdir -p /opt/fastdfs /data/fastdfs
$ cd /opt/fastdfs #为下一步下载源码做准备
2、安装libfastcommon
#下载文件
$ wget https://github.com/happyfish100/libfastcommon/archive/V1.0.39.tar.gz
$ tar -zxvf libfastcommon-1.0.39.tar.gz
$ cd libfastcommon-1.0.39/
$ ./make.sh
$ ./make.sh install
3、安装FastDFS
$ wget https://github.com/happyfish100/fastdfs/archive/V5.11.tar.gz
$ tar -zxvf fastdfs-5.11.tar.gz
$ cd fastdfs-5.11/
$ ./make.sh
$ ./make.sh install
#配置文件准备
$ cp /etc/fdfs/tracker.conf.sample /etc/fdfs/tracker.conf #tracker节点
$ cp /etc/fdfs/storage.conf.sample /etc/fdfs/storage.conf #storage节点
$ cp /etc/fdfs/client.conf.sample /etc/fdfs/client.conf #客户端文件，测试用
$ cp /opt/fastdfs/fastdfs-5.11/conf/http.conf /etc/fdfs/ #供nginx访问使用
$ cp /opt/fastdfs/fastdfs-5.11/conf/mime.types /etc/fdfs/ #供nginx访问使用
tracker server配置:
$ vim /etc/fdfs/tracker.conf
#需要修改的内容如下
port=22122 # tracker服务器端口（默认22122,一般不修改）
base_path=/data/fastdfs # 存储日志和数据的根目录
#编辑启动文件
$ vim /usr/lib/systemd/system/fastdfs-tracker.service
[Unit]
Description=The FastDFS File server
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf start
ExecStop=/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf stop
ExecRestart=/usr/bin/fdfs_trackerd /etc/fdfs/tracker.conf restart
[Install]
WantedBy=multi-user.target
$ systemctl daemon-reload
$ systemctl enable fastdfs-tracker.service
$ systemctl start fastdfs-tracker.service
$ netstat -tulnp #查看服务是否启动，端口是否打开 或使用 netstat -apn | grep 22122
storage server配置
$ vim /etc/fdfs/storage.conf
#需要修改的内容如下
port=23000 # storage服务端口（默认23000,一般不修改）
base_path=/data/fastdfs # 数据和日志文件存储根目录
store_path0=/data/fastdfs # 第一个存储目录
tracker_server=192.168.0.1:22122 # tracker服务器IP和端口
tracker_server=192.168.0.2:22122 # tracker服务器IP和端口
http.server_port=8888 # http访问文件的端口(默认8888,看情况修改,和nginx中保持一致)
#编辑启动文件
$ vim /usr/lib/systemd/system/fastdfs-storage.service
[Unit]
Description=The FastDFS File server
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/usr/bin/fdfs_storaged /etc/fdfs/storage.conf start
ExecStop=/usr/bin/fdfs_storaged /etc/fdfs/storage.conf stop
ExecRestart=/usr/bin/fdfs_storaged /etc/fdfs/storage.conf restart
[Install]
WantedBy=multi-user.target
$ systemctl daemon-reload
$ systemctl enable fastdfs-storage.service
$ systemctl start fastdfs-storage.service
$ netstat -tulnp #查看服务是否启动，端口是否打开或使用netstat -apn | grep 23000
#查看集群状态
$ fdfs_monitor /etc/fdfs/storage.conf list
[2018-11-06 00:00:00] DEBUG - base_path=/data/fastdfs/storage, connect_timeout=30, network_timeout=60, tracker_server_count=2, anti_steal_token=0, anti_steal_secret_key length=0, use_connection_pool=0, g_connection_pool_max_idle_time=3600s, use_storage_id=0, storage server id count: 0
server_count=2, server_index=0
tracker server is 192.168.0.1:22122
group count: 1
Group 1:
...
Client配置
$ vim /etc/fdfs/client.conf
#需要修改的内容如下
base_path=/data/fastdfs
tracker_server=192.168.0.1:22122 # tracker服务器IP和端口
tracker_server=192.168.0.2:22122 # tracker服务器IP和端口
#保存后测试,返回ID表示成功 如：group1/M00/00/00/xx.tar.gz
$ fdfs_upload_file /etc/fdfs/client.conf testfile
注意： testfile需要填文件全路径
4、安装nginx和fastdfs-nginx-module
下载nginx module
$ wget https://github.com/happyfish100/fastdfs-nginx-module/archive/V1.20.tar.gz
$ tar zxvf fastdfs-nginx-module-1.20.tar.gz
$ cp /opt/fastdfs/fastdfs-nginx-module-1.20/src/mod_fastdfs.conf /etc/fdfs
安装nginx, 也可不装直接从源码安装
$ yum install nginx -y
# 查看版本及编译参数
$ nginx -v
$ nginx -V
编码nginx源码，并添加nginx module
wget http://nginx.org/download/nginx-1.12.2.tar.gz
$ tar -zxvf nginx-1.12.2.tar.gz
$ cd nginx-1.12.2/
$ ./configure --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --http-client-body-temp-path=/var/lib/nginx/tmp/client_body --http-proxy-temp-path=/var/lib/nginx/tmp/proxy --http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi --http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi --http-scgi-temp-path=/var/lib/nginx/tmp/scgi --pid-path=/run/nginx.pid --lock-path=/run/lock/subsys/nginx --user=nginx --group=nginx --with-file-aio --with-ipv6 --with-http_auth_request_module --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_addition_module --with-http_xslt_module=dynamic --with-http_image_filter_module=dynamic --with-http_geoip_module=dynamic --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_degradation_module --with-http_slice_module --with-http_stub_status_module --with-http_perl_module=dynamic --with-mail=dynamic --with-mail_ssl_module --with-pcre --with-pcre-jit --with-stream=dynamic --with-stream_ssl_module --with-google_perftools_module --with-debug --with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic' --with-ld-opt='-Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -Wl,-E' --add-module=/opt/fastdfs/fastdfs-nginx-module-1.20/src/
$ make
$ cp objs/nginx /usr/sbin/nginx
$ systemctl enable nginx
$ systemctl restart nginx
查看插件是否安装成功：
$ nginx -V
PS: 测试发现原本的./configure xxxxx这一串有问题，即使添加了所有依赖，生成的Makefile不能执行。
可使用以下配置：
./configure --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib64/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --http-client-body-temp-path=/var/lib/nginx/tmp/client_body --http-proxy-temp-path=/var/lib/nginx/tmp/proxy --http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi --http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi --http-scgi-temp-path=/var/lib/nginx/tmp/scgi --pid-path=/run/nginx.pid --lock-path=/run/lock/subsys/nginx --with-file-aio --with-ipv6 --with-http_auth_request_module --with-http_ssl_module --with-http_v2_module --with-http_realip_module --with-http_addition_module --with-http_xslt_module=dynamic --with-http_image_filter_module=dynamic --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_degradation_module --with-http_slice_module --with-http_stub_status_module --with-mail=dynamic --with-mail_ssl_module --with-stream=dynamic --with-stream_ssl_module --add-module=/opt/fastdfs/fastdfs-nginx-module-1.20/src/然后执行
make
make install //安装nginx
配置nginx访问
$ vim /etc/fdfs/mod_fastdfs.conf
#需要修改的内容如下
tracker_server=192.168.0.1:22122 # tracker服务器IP和端口
tracker_server=192.168.0.2:22122 # tracker服务器IP和端口
url_have_group_name=true
base_path=/data/fastdfs
store_path0=/data/fastdfs
#配置nginx.config
$ vim /etc/nginx/nginx.conf
#增加如下内容
server {
listen 8888; ## 该端口为storage.conf中的http.server_port相同
server_name localhost;
location ~/group[0-9]/ {
root /data/fastdfs;
ngx_fastdfs_module;
}
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
然后启动nginx
$nginx 或者 nginx -c /etc/nginx/nginx.conf
#测试下载，用外部浏览器访问刚才已传过的文件,引用返回的ID
http://192.168.0.10:8888/group1/M00/00/00/wKgAQ1pysxmAaqhAAA76tz-dVgg.tar.gz
#弹出下载则目前nginx已经OK
注：在nginx的构建中会遇到不少的报错，具体如下：
./configure: error: the Google perftools module requires the Google perftools library. You can either do not enable the module or install the library.
解决方法如下：
$ yum install gperftools -y
/configure: error: the HTTP rewrite module requires the PCRE library.
解决方法如下：
$ yum -y install pcre pcre-devel
./configure: error: the HTTP cache module requires md5 functions from OpenSSL library. You can either disable the module by using --without-http-cache option, or install the OpenSSL library into the system, or build the OpenSSL library statically from the source with nginx by using --with-http_ssl_module --with-openssl= options.
解决方法如下：
$ yum -y install openssl openssl-devel
./configure: error: the HTTP gzip module requires the zlib library. You can either disable the module by using –without-http_gzip_module option, or install the zlib library into the system, or build the zlib library statically from the source with nginx by using –with-zlib= option.
解决方法如下：
$ yum install -y zlib-devel
./configure: error: the HTTP XSLT module requires the libxml2/libxslt libraries. You can either do not enable the module or install the libraries.
解决方法如下：
$ yum -y install libxml2 libxml2-dev
$ yum -y install libxslt-devel
./configure: error: the HTTP image filter module requires the GD library. You can either do not enable the module or install the libraries.
解决方法如下：
$ yum -y install gd-devel
./configure: error: perl module ExtUtils::Embed is required
解决方法如下：
$ yum -y install perl-devel perl-ExtUtils-Embed
./configure: error: the GeoIP module requires the GeoIP library. You can either do not enable the module or install the library.
解决方法如下：
$ yum -y install GeoIP GeoIP-devel GeoIP-data
在make过程中会出现一个报错：/usr/include/fastdfs/fdfs_define.h:15:27: fatal error: common_define.h: No such file or directory
解决方法如下：
修改fastdfs-nginx-module-1.20/src/config文件，修改如下：
ngx_module_incs="/usr/include/fastdfs /usr/include/fastcommon/"
CORE_INCS="$CORE_INCS /usr/include/fastdfs /usr/include/fastcommon/"
然后重新./configure && make，就可以了
5、配置文件访问的负载均衡和高可用
在192.168.0.100和101上安装nginx、keepalived
yum install -y nginx keepalived
nginx的配置文件如下：
upstream fdfs_group01 {
server 192.168.0.10:8888 weight=1 max_fails=2 fail_timeout=30s;
server 192.168.0.11:8888 weight=1 max_fails=2 fail_timeout=30s;
}
server {
listen 80;
server_name localhost;
location /group01{
proxy_next_upstream http_502 http_504 error timeout invalid_header;
proxy_pass http://fdfs_group01;
expires 30d;
}
}
keepalived配置文件如下：
global_defs {
router_id LVS_DEVEL
}
vrrp_script chk_ngx {
script "/etc/keepalived/check_nginx.sh"
interval 2
weight -5
fall 3
rise 2
}
vrrp_instance VI_1 {
interface eno16777984
state MASTER
priority 100
virtual_router_id 11
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
unicast_src_ip 192.168.0.100
unicast_peer {
192.168.0.101
}
virtual_ipaddress {
192.168.0.200
}
track_script {
chk_ngx
}
notify_master "/etc/keepalived/notify.sh master"
notify_backup "/etc/keepalived/notify.sh backup"
notify_fault "/etc/keepalived/notify.sh fault"
}
check_nginx.sh
#!/bin/bash
counter=$(ps -C nginx --no-heading|wc -l)
if [ "${counter}" = "0" ]; then
exit 1
else
exit 0
fi
附带安装包下载地址
https://download.youkuaiyun.com/download/alger_magic/11483786
OK,以上就是所有的安装步骤及相关配置。
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