1.安装依赖环境
yum -y install gcc zlib zlib-devel pcre-devel openssl openssl-devel
2.安装LuaJIT
cd /usr/local/ mkdir LuaJIT cd /usr/local/LuaJIT
wget http://luajit.org/download/LuaJIT-2.0.2.tar.gz
tar –xvf LuaJIT-2.0.2.tar.gz cd LuaJIT-2.0.2 make install
3.安装nginx
cd /usr/local/ mkdir nginx
下载ngx_devel_kit
wget https://github.com/simpl/ngx_devel_kit/archive/v0.3.0.tar.gz
下载lua-nginx-module
wget https://github.com/openresty/lua-nginx-module/archive/v0.10.9rc7.tar.gz
下载nginx
wget http://nginx.org/download/nginx-1.12.1.tar.gz
解压文件
tar -xvf ngx_devel_kit-0.3.0 .tar.gz tar -xvf lua-nginx-module-0.10.9rc7.tar.gz tar -xvf nginx-1.12.1.tar.gz
编译nginx
cd nginx-1.12.1 ./configure --prefix=/usr/local/nginx --add-module=../ngx_devel_kit-0.3.0 --add-module=../lua-nginx-module-0.10.9rc7
安装
make
make install
或者合并两个命令（4表示并行运行任务的数量）
make -j 4 && make install
启动nginx
cd /usr/local/nginx/sbin ./nginx
测试是否启动成功:
访问 http：127.0.0.1:80
显示welcome to n ginx！表示启动成功
关闭nginx
./nginx –s stop
4.安装redis
cd /usr/local mkdir redis
下载
wget http://download.redis.io/releases/ redis-2.8.17.tar.gz
解压
tar -xvf redis-2.8.17.tar.gz
进入解压后的文件夹
cd redis-2.8.17
安装
make
启动redis(&表示后台运行)
cd src
./redis-server &
启动成功后按ctrl+c退出启动界面
测试
./redis-cli set foo liq ---OK get foo ---liq
关闭redis
SHUTDOWN
5.配置redis主从
5.1主reids 配置文件
复制一份redis的配置文件：
cd /usr/local/redis/redis-2.8.17 mkdir –p 6379/data 6380/data cp redis.conf /usr/local/redis/redis-2.8.17/6379/data/redis-6379.conf
编辑文件
cd /usr/local/redis/ redis-2.8.17/6379/data/ vim redis-6379.conf
cd /usr/local/redis/ redis-2.8.17/6379/data/ vim redis-6379.conf
5.1.1
daemonize no
修改为：
daemonize yes (后台程序方式运行)
5.1.2
pidfile /var/run/redis_6379.pid
修改为：
pidfile /usr/local/redis/redis-2.8.17/6379/redis_6379.pid
5.1.3
//设置请求密码
requirepass system
5.1.4
//设置数据文件路径
dir /usr/local/redis/redis-2.8.17/6379/data
5.2从reids 配置文件
cp /usr/local/redis/redis-2.8.17/6379/data/redis-6379.conf /usr/local/redis/redis-2.8.17/6380/data/redis-6380.conf
5.2.1
port 改为6380
5.2.2
pidfile 改为/usr/local/redis/redis-2.8.17/6380/redis_6380.pid
5.2.2
删除 requirepass system
5.2.3
//设置数据文件路径
dir /usr/local/redis/redis-2.8.17/6380/data
5.2.4
添加从属关系
slaveof 127.0.0.1 6379
5.2.5
添加主redis访问密码
masterauth system
5.3启动redis
/usr/local/redis/redis-2.8.17/src/redis-server /usr/local/redis/redis-2.8.17/6379/redis-6379.conf
/usr/local/redis/redis-2.8.17/src/redis-server /usr/local/redis/redis-2.8.17/6380/redis-6380.conf
5.4测试主从
在主redis中存数据
cd /usr/local/redis/redis-2.8.17/src ./redis-cli -h 127.0.0.1 -p 6379 auth system set foo test
ctrl+c退出
在从redis中取数据
./redis-cli -h 127.0.0.1 -p 6380 get foo
6.安装lua-resty-redis
从https://github.com/openresty/lua-resty-redis.git下载lua-resty-redis-master后解压
将lib包安装到lua库
cd lua-resty-redis-master
make && make install
安装完成之后在/usr/local/lib/lua/resty里面会有redis.lua
7.修改nginx配置文件
cd /usr/local/nginx/conf vim nginx.conf
7.1
http内添加 lua_package_path "/usr/local/lib/lua/?.lua;;";
7.2
server listen改为 9080;
7.3
server 内添加
location /lua/set {
default_type 'text/plain';
content_by_lua_file conf/lua/setKeyValue.lua;
}
location /lua/get {
default_type 'text/plain';
content_by_lua_file conf/lua/getKey.lua;
}
完整配置文件nginx.cnof：
worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; lua_package_path "/usr/local/lib/lua/?.lua;;"; sendfile on; keepalive_timeout 65; server { listen 9080; server_name localhost; location / { root html; index index.html index.htm; } location /lua/set { default_type 'text/plain'; content_by_lua_file conf/lua/setKeyValue.lua; } location /lua/get { default_type 'text/plain'; content_by_lua_file conf/lua/getKey.lua; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } } }
8.编写content_by_lua_file对应的lua脚本
8.1
#对应nginx中的配置： content_by_lua_file conf/lua/setKeyValue.lua;
cd /usr/local/nginx/conf mkdir lua cd lua vim setKeyValue.lua
setKeyValue.lua代码：--receive request params local request_method = ngx.var.request_method local args = nil local key = nil local value = nil --获取参数的值 if "GET" == request_method then args = ngx.req.get_uri_args() elseif "POST" == request_method then ngx.req.read_body() args = ngx.req.get_post_args() end key = args["key"] value = args["value"] --connect redis local redis = require "resty.redis" local cache = redis.new() local ok, err = cache.connect(cache, '127.0.0.1', '6379') cache:set_timeout(60000) if not ok then ngx.say("failed to connect:", err) return end -- 请注意这里 auth 的调用过程 -- check password local count count, err = cache:get_reused_times() if 0 == count then ok, err = cache:auth("system") if not ok then ngx.say("failed to auth: ", err) return end elseif err then ngx.say("failed to get reused times: ", err) return end local res, err = cache:set(key, value) if not res then ngx.say("failed to set "..key..": ", err) return end if res == ngx.null then ngx.say(key.." not found.") return end ngx.say("set redis value >>> "..key..": ", res) local ok, err = cache:close() if not ok then ngx.say("failed to close:", err) return end
8.2
#对应nginx中的配置： content_by_lua_file conf/lua/getKey.lua;
vim getKey.lua
getKey.lua代码：
--receive request params local request_method = ngx.var.request_method local args = nil local key = nil local value = nil --获取参数的值 if "GET" == request_method then args = ngx.req.get_uri_args() elseif "POST" == request_method then ngx.req.read_body() args = ngx.req.get_post_args() end key = args["key"] value = args["value"] --connect redis local redis = require "resty.redis" local cache = redis.new() local ok, err = cache.connect(cache, '127.0.0.1', '6380') cache:set_timeout(60000) if not ok then ngx.say("failed to connect:", err) return end local res, err = cache:get(key) if not res then ngx.say("failed to get "..key..": ", err) return end if res == ngx.null then ngx.say(key.." not found.") return end ngx.say("get from redis >>> "..key..": ", res) local ok, err = cache:close() if not ok then ngx.say("failed to close:", err) return end
9.开启端口映射（如果不是安装在虚拟机上的不需要此步骤）
9.1开启虚拟机端口映射：
9.2开放9080端口的防火墙（--permanent永久生效，没有此参数重启后失效）:
firewall-cmd --zone=public --add-port=9080/tcp --permanent
10.重新启动nginx
cd /usr/local/nginx/sbin ./nginx
11.查看效果
存值 -- 访问网址并传参：
http://localhost:9080/lua/set?key=foo&value=test1
取值 -- 访问网址并传参：
http://localhost:9080/lua/get?key=foo
