lua-upstream-nginx-module 介绍
这个软件是 Nginx C 模块用于展示 Lua API 给 ngx_lua for Nginx upstreams 。该模块可以用于生产环境。
Synopsis
http {
upstream foo.com {
server 127.0.0.1 fail_timeout=53 weight=4 max_fails=100;
server agentzh.org:81;
}
upstream bar {
server 127.0.0.2;
}
server {
listen 8080;
# sample output for the following /upstream interface:
# upstream foo.com:
# addr = 127.0.0.1:80, weight = 4, fail_timeout = 53, max_fails = 100
# addr = 106.187.41.147:81, weight = 1, fail_timeout = 10, max_fails = 1
# upstream bar:
# addr = 127.0.0.2:80, weight = 1, fail_timeout = 10, max_fails = 1
location = /upstreams {
default_type text/plain;
content_by_lua '
local concat = table.concat
local upstream = require "ngx.upstream"
local get_servers = upstream.get_servers
local get_upstreams = upstream.get_upstreams
local us = get_upstreams()
for _, u in ipairs(us) do
ngx.say("upstream ", u, ":")
local srvs, err = get_servers(u)
if not srvs then
ngx.say("failed to get servers in upstream ", u)
else
for _, srv in ipairs(srvs) do
local first = true
for k, v in pairs(srv) do
if first then
first = false
ngx.print(" ")
else
ngx.print(", ")
end
if type(v) == "table" then
ngx.print(k, " = {", concat(v, ", "), "}")
else
ngx.print(k, " = ", v)
end
end
ngx.print("\\n")
end
end
end
';
}
}
}