Web开发平台OpenResty（一）: 学习资料、基本组成与使用方法

brew untap homebrew/nginx
brew install openresty/brew/openresty

brew install [email protected]

wget https://luarocks.org/releases/luarocks-3.0.3.tar.gz
tar zxpf luarocks-3.0.3.tar.gz
cd luarocks-3.0.3
$ ./configure
$ sudo make bootstrap

$cat hello.lua
ngx.say("hello world")

$ resty hello.lua
hello world

mkdir -p  hello-world/logs
cd hello-world

worker_processes  1;        #nginx worker 数量
error_log logs/error.log;   #指定错误日志文件路径
events {
    worker_connections 1024;
}

http {
    server {
        #监听端口，若你的6699端口已经被占用，则需要修改
        listen 6699;
        location / {
            default_type text/html;

            content_by_lua_block {
                ngx.say("HelloWorld")
            }
        }
    }
}

openresty -p `pwd` -c nginx.conf

$ ps aux|grep nginx
nginx: worker process
nginx: master process openresty -p /Users/lijiao/study-OpenResty/example/01-hello-world -c nginx.conf

$ curl 127.0.0.1:6699
HelloWorld

openresty -s reload

$ cat hello.lua
#! /usr/bin/env lua
--
-- hello.lua
-- Copyright (C) 2018 lijiaocn <[email protected]>
--
-- Distributed under terms of the GPL license.
--

ngx.say("hello world")

$ resty hello.lua
hello world

$ lua-5.1 ./hello.lua
lua-5.1: ./hello.lua:9: attempt to index global 'ngx' (a nil value)
stack traceback:
	./hello.lua:9: in main chunk
	[C]: ?

$ ls /usr/local/Cellar/openresty/1.13.6.2/
COPYRIGHT                     homebrew.mxcl.openresty.plist pod
INSTALL_RECEIPT.json          luajit                        resty.index
README.markdown               lualib                        site
bin                           nginx
$ ls /usr/local/Cellar/openresty/1.13.6.2/lualib
cjson.so ngx      redis    resty

$ ls /usr/local/Cellar/openresty/1.13.6.2/lualib/resty/core
base.lua     base64.lua   ctx.lua      exit.lua  ....

git clone https://github.com/Kong/kong
cd kong

$ cat kong-0.14.1-0.rockspec
...
dependencies = {
  "inspect == 3.1.1",
  "luasec == 0.6",
  "luasocket == 3.0-rc1",
  "penlight == 1.5.4",
  "lua-resty-http == 0.12",
  "lua-resty-jit-uuid == 0.0.7",
  "multipart == 0.5.5",
...

kong-0.14.1-0.rockspec

build = {
  type = "builtin",
  modules = {
    ["kong"] = "kong/init.lua",
    ["kong.meta"] = "kong/meta.lua",
    ["kong.cache"] = "kong/cache.lua",
    ["kong.global"] = "kong/global.lua",
    ["kong.router"] = "kong/router.lua",
    ...

install:
   @luarocks make OPENSSL_DIR=$(OPENSSL_DIR) CRYPTO_DIR=$(OPENSSL_DIR)

$ cat bin/kong
#!/usr/bin/env resty

require "luarocks.loader"

package.path = "./?.lua;./?/init.lua;" .. package.path

require("kong.cmd.init")(arg)

            content_by_lua_block {
                ngx.say("HelloWorld")
            }

lua_capture_error_log
lua_use_default_type
lua_malloc_trim
lua_code_cache
lua_regex_cache_max_entries
lua_regex_match_limit
...
content_by_lua
content_by_lua_block
content_by_lua_file
rewrite_by_lua
rewrite_by_lua_block
rewrite_by_lua_file
...

content_by_lua_block {
     ngx.say("I need no extra escaping here, for example: \r\nblah")
 }

$ ls /usr/local/Cellar/openresty/1.13.6.2/lualib/resty/
aes.lua       core.lua      limit         lrucache      md5.lua       mysql.lua
...

$ ls -F  /usr/local/Cellar/openresty/1.13.6.2/lualib
cjson.so* ngx/      redis/    resty/

$ cat hello.lua
ngx.say("hello world")

require "resty.core"

ngx.arg
ngx.var.VARIABLE
Core constants
HTTP method constants
HTTP status constants
Nginx log level constants
print
ngx.ctx
ngx.location.capture
ngx.location.capture_multi
ngx.status
ngx.header.HEADER
ngx.resp.get_headers
ngx.req.is_internal
...