npm install vip-respvip status check responser
* 支持原生 http module 与 connect middleware
* 提供命令行工具可强制指定vip状态开关
``javascript
var vip = new require('vip-resp')({
// health check function
check_health: function(done){
... // do health check
err = gotError ? new Error() : null
done(err)
},
// listen stat switch sock for command line
sock_path: "http-vr.sock"
// health check timeout ms
timeout : 500
})
// with http
var http = http.createServer(function(req, resp){
vip.status(req, resp, function(req, resp){
// you own codes
})
})
// with connect
app.use vip.status
`
Usage: vip [auto|on|off] [socks...]
* auto: 返回内置健康检查结果
* on: 始终返回服务可用
* off: 始终返回服务不可用
* socks...: vip-resp监听sock地址列表(默认搜索当前目录下所有以-nv.sock为结尾的sock文件)
`shell``
./node_modules/.bin/vip on
./node_modules/.bin/vip off
./node_modules/.bin/vip auto ./run/a-nv.sock ./run/b-nv.sock