Re: [go-nuts] graceful restart of app with more than one tcp Listener

[Peter Mogensen]

On 2017-11-07 15:28, Vasiliy Tolstov wrote:
> I know about it, but
> https://github.com/rcrowley/goagain/issues/12 cant handle multiple listeners
> https://godoc.org/github.com/facebookgo/grace/gracenet does not
> support close the listener
> https://github.com/fvbock/endless works with http , but i don't need
> http server.

https://github.com/One-com/gone

More specifically:

https://github.com/One-com/gone/daemon
https://github.com/One-com/gone/sd

Docs for some of this could use an overhaul.

/Peter

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Re: [go-nuts] graceful restart of app with more than one tcp Listener

[Vasiliy Tolstov]

2017-11-07 17:20 GMT+03:00 Steven Hartland :
> There are a number of libraries which attempt to address this, ones I've
> seen:
>
> https://github.com/fvbock/endless
> https://github.com/rcrowley/goagain
> https://github.com/facebookgo/grace
>
>

I know about it, but
https://github.com/rcrowley/goagain/issues/12 cant handle multiple listeners
https://godoc.org/github.com/facebookgo/grace/gracenet does not
support close the listener
https://github.com/fvbock/endless works with http , but i don't need
http server.



-- 
Vasiliy Tolstov,
e-mail: v.tols...@selfip.ru

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Re: [go-nuts] graceful restart of app with more than one tcp Listener

[Steven Hartland]

There are a number of libraries which attempt to address this, ones I've 
seen:


 * https://github.com/fvbock/endless
 * https://github.com/rcrowley/goagain
 * https://github.com/facebookgo/grace


On 07/11/2017 13:33, Vasiliy Tolstov wrote:

Hi! I have application that listens 2-4 tcp ports and i need to
upgrade it while running. How can upgrade server and not dropping
exiting connected apps (tcp nbd-client like apps)?
I don't want to use haproxy or nginx before my app.
As i understand i need master process that only listens sockets and
fork child app and pass to it accepted connections.
So i can upgrade by passing listening fd to new master process and
forward new tcp connections to new child? But what can i do with
already connected clients to previous child process?
Does it possible to do what i need and not dropping exiting tcp connections?



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