feature: added init action in makefile to initialize the runtime (#205)

* feature: added `init` action in makefile to initialize the runtime
  environment.
* doc: added more doc about `make` command.
* CLI: find the Lua from default PATH.
* bugfix: used short connection when to fetch node status.

Makefile

@@ -3,6 +3,7 @@ INST_LIBDIR ?= $(INST_PREFIX)/lib64/lua/5.1
 INST_LUADIR ?= $(INST_PREFIX)/share/lua/5.1
 INST_BINDIR ?= /usr/bin
 INSTALL ?= install
+UNAME ?= $(shell uname)
 
 
 .PHONY: default
@@ -21,7 +22,11 @@ help:
 .PHONY: dev
 dev:
 	./utils/update_nginx_conf_dev.sh
+ifeq ($(UNAME),Darwin)
+	luarocks install apisix-*.rockspec --tree=deps --only-deps
+else
 	sudo luarocks install apisix-*.rockspec --tree=deps --only-deps
+endif
 
 
 ### check:        Check Lua srouce code
@@ -35,6 +40,13 @@ check:
 		/tmp/check.log 2>&1 || (cat /tmp/check.log && exit 1)
 
 
+### init:         Initialize the runtime environment
+.PHONY: init
+init:
+	./bin/apisix init
+	./bin/apisix init_etcd
+
+
 ### run:          Start the apisix server
 .PHONY: run
 run:

README.md

@@ -136,6 +136,23 @@ apisix
 └── utils
 ```
 
+We can use more actions in the `make` command, for example:
+
+```shell
+$ make help
+Makefile rules:
+
+    help:         Show Makefile rules.
+    dev:          Create a development ENV
+    check:        Check Lua srouce code
+    init:         Initialize the runtime environment
+    run:          Start the apisix server
+    stop:         Stop the apisix server
+    clean:        Remove generated files
+    reload:       Reload the apisix server
+    install:      Install the apisix
+```
+
 ## Quickstart
 
 1. start server:

README_CN.md

@@ -132,6 +132,23 @@ apisix
 └── utils
 ```
 
+`make` 可以辅助我们完成更多其他功能, 比如:
+
+```shell
+$ make help
+Makefile rules:
+
+    help:         Show Makefile rules.
+    dev:          Create a development ENV
+    check:        Check Lua srouce code
+    init:         Initialize the runtime environment
+    run:          Start the apisix server
+    stop:         Stop the apisix server
+    clean:        Remove generated files
+    reload:       Reload the apisix server
+    install:      Install the apisix
+```
+
 ## 快速上手
 
 1. 启动 APISIX

bin/apisix

@@ -1,4 +1,4 @@
-#! /usr/bin/lua
+#!/usr/bin/env lua
 
 local script_path = debug.getinfo(1).source:sub(2)
 

lua/apisix/plugins/node-status.lua

@@ -33,7 +33,9 @@ end
 
 
 local function run_loop()
-    local res, err = core.http.request_self("/apisix/nginx_status")
+    local res, err = core.http.request_self("/apisix/nginx_status", {
+                                                keepalive = false,
+                                            })
     if not res then
         if err then
             return core.log.error("failed to fetch nginx status: ", err)