高可用高性能分布式文件系统FastDFS进阶keepalived+nginx对多tracker进行高可用热备

group_name=group1 # 组名（第一组为group1，第二组为group2，依次类推...）
base_path=/data/fastdfs/storage # 数据和日志文件存储根目录
store_path0=/data/fastdfs/storage # 第一个存储目录，第二个存储目录起名为：store_path1=xxx，其它存储目录名依次类推...

tracker_server=192.168.80.30:22122# tracker服务器IP和端口
tracker_server=192.168.80.31:22122# tracker服务器IP和端口

./configure \
--prefix=/opt/nginx \
--pid-path=/opt/nginx/nginx.pid \
--lock-path=/opt/nginx.lock \
--error-log-path=/opt/nginx/log/error.log \
--http-log-path=/opt/nginx/log/access.log \
--with-http_gzip_static_module \
--http-client-body-temp-path=/opt/nginx/client \
--http-proxy-temp-path=/opt/nginx/proxy \
--http-fastcgi-temp-path=/opt/nginx/fastcgi \
--http-uwsgi-temp-path=/opt/nginx/uwsgi \
--http-scgi-temp-path=/opt/nginx/scgi \
--add-module=/opt/fastdfs-nginx-module/src

base_path=/data/fastdfs/storage
tracker_server=192.168.80.30:22122
tracker_server=192.168.80.31:22122
storage_server_port=23000
group_name=group1 # 第一组storage的组名
url_have_group_name=true
store_path0=/data/fastdfs/storage
group_count=2
[group1]
group_name=group1
storage_server_port=23000
store_path_count=1
store_path0=/data/fastdfs/storage
[group2]
group_name=group2
storage_server_port=23000
store_path_count=1
store_path0=/data/fastdfs/storage

在nginx的配置文件中添加一个Server：
server {
        listen       8888;
        server_name  localhost;

        location ~/group([0-9])/M00/{
                ngx_fastdfs_module;
        }
}

cd nginx 
./configure --prefix=/opt/nginx --sbin-path=/usr/bin/nginx --add-module=/opt/ngx_cache_purge-2.3
make && make install

    #设置缓存
    server_names_hash_bucket_size 128;
    client_header_buffer_size 32k;
    large_client_header_buffers 4 32k;
    client_max_body_size 300m;
    proxy_redirect off;
    proxy_set_header Host $http_host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90;
    proxy_send_timeout 90;
    proxy_read_timeout 90;
    proxy_buffer_size 16k;
    proxy_buffers 4 64k;
    proxy_busy_buffers_size 128k;
    proxy_temp_file_write_size 128k; #设置缓存存储路径、存储方式、分配内存大小、磁盘最大空间、缓存期限 
    proxy_cache_path /data/fastdfs/cache/nginx/proxy_cache keys_zone=http-cache:100m;
#设置 group1 的服务器
upstream fdfs_group1 {
server 192.168.80.32:8888 weight=1 max_fails=2 fail_timeout=30s;
server 192.168.80.33:8888 weight=1 max_fails=2 fail_timeout=30s;
}
#设置 group2 的服务器
upstream fdfs_group2 {
server 192.168.80.34:8888 weight=1 max_fails=2 fail_timeout=30s;
server 192.168.80.35:8888 weight=1 max_fails=2 fail_timeout=30s;
}

    server {
        listen       8000;
        server_name  localhost;
        #charset koi8-r;
        #access_log  logs/host.access.log  main;
 
        #设置 group 的负载均衡参数
        location /group1/M00 {
            proxy_next_upstream http_502 http_504 error timeout invalid_header;
            proxy_cache http-cache;
            proxy_cache_valid  200 304 12h;
            proxy_cache_key $uri$is_args$args;
            proxy_pass http://fdfs_group1;
            expires 30d;
        }
 
        location /group2/M00 {
            proxy_next_upstream http_502 http_504 error timeout invalid_header; proxy_cache http-cache;
            proxy_cache_valid 200 304 12h;
            proxy_cache_key $uri$is_args$args;
            proxy_pass http://fdfs_group2;
            expires 30d;
        }
 
        #设置清除缓存的访问权限
        location ~/purge(/.*) {
            allow 127.0.0.1;
            allow 192.168.80.0/24;
            deny all;
            proxy_cache_purge http-cache $1$is_args$args;
        }
        #error_page  404              /404.html;
        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root html; 
        }
    }

/opt/nginx/sbin/nginx
设置开机启动：
vi /etc/rc.local## 加入以下配置
/opt/nginx/sbin/nginx
chmod +x /etc/rc.local #centos7

vi /opt/nginx/conf/nginx.conf

http {
include mime.types;
default_type application/octet-stream;
sendfile on;
keepalive_timeout 65;
## FastDFS Tracker Proxy
upstream fastdfs_tracker {
server 192.168.80.30:8000 weight=1 max_fails=2 fail_timeout=30s;
server 192.168.80.31:8000 weight=1 max_fails=2 fail_timeout=30s;
}
server {
listen 80;
server_name localhost;
location / {
root html;
index index.html index.htm;
}
error_page 500502503504/50x.html;
location = /50x.html {
root html;
}
## FastDFS Proxy
location /dfs {
root html;
index index.html index.htm;
proxy_pass http://fastdfs_tracker/;
proxy_set_header Host $http_host;
proxy_set_header Cookie $http_cookie;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
client_max_body_size 300m;
}
} 
}

/opt/nginx/sbin/nginx
设置开机启动：
vi /etc/rc.local## 加入以下配置
/opt/nginx/sbin/nginx
chmod +x /etc/rc.local #centos7