Date: Thu, 13 Sep 2012 11:38:37 +0100 From: "Simon L. B. Nielsen" <simon@FreeBSD.org> To: Mathieu Arnold <mat@freebsd.org> Cc: freebsd-hubs@freebsd.org Subject: Re: freebsd-update "mirror" howto Message-ID: <CAC8HS2G-judrdj5Hevih=dDznYH92J8UWCAk=PQWqPCXCxXDCg@mail.gmail.com> In-Reply-To: <6D5EF049FD84BF0620E50077@ogg.in.absolight.net> References: <021473D8D9E6A7A785543024@ogg.in.absolight.net> <CAC8HS2FRaJRkFfH-F2Ro4SXOt_=wrzFFDYadZEhmU4D_Ez0xMg@mail.gmail.com> <6D5EF049FD84BF0620E50077@ogg.in.absolight.net>
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On Wed, Sep 12, 2012 at 2:23 PM, Mathieu Arnold <mat@freebsd.org> wrote: > +--On 12 septembre 2012 13:57:34 +0100 "Simon L. B. Nielsen" > <simon@FreeBSD.org> wrote: > | On Wed, Sep 12, 2012 at 12:42 PM, Mathieu Arnold <mat@freebsd.org> wrote: > | > |> It's not really a hubs thing, but anyway, I thought I'd share my few > |> bits... > |> > |> For a long time, I pondered about upgrading my 300+ freebsd servers, and > |> a few months back freebsd-update seemed like the way to go... > | > | Very interesting for information like this to be shared. Even better > | if somebody could be tricked into putting it in the handbook :-). > > Hum, I see where you're going with that ;-) :-) > The thing is, I wanted a bit of feedback to see if I wasn't doing something > stupid before committing myself into doing that. Sure. I don't see any fundamental problem doing it that way, though I recall reading in the past that you shouldn't use varnish as a forward cache - but I never looked into why. One thing which may or may not be a problem is support for HTTP pipelining. At least using squid I found the lack of pipelining support to really slow down freebsd-update (and portsnap). Can be that varnish is enough faster than squid that this becomes less of an issue. > I have not written doc for a long time, I'll try to see if I can coerce > myself into doing that next week while I'm vacationing in Corsica. Great :-). I'm sure the freebsd-doc people would be happy to help with extra markup etc. > |> Now, I did not want all those servers to hit the main freebsd-update > |> servers, so I setup a nice local "mirror" using varnish. > | > | Why did you decide to go with Varnish instead of a program designed as > | a forward cache? > > Because Varnish is *cool*. :-p OK :-). > |> Varnish's configuration is there https://gist.github.com/2637602 and it > |> would be even better if varnish could use SRV records to define it's > |> backends by itself, but for now, there are a couple of shell that I have > |> to run whenever I feel like it to update the list. > | > | Evil workaround thing would be to just parse the SRV records in a > | script and then generate the varnish config wrt. backend based on > | that... not pretty though :-). > > Well, that's almost already what's there, when I feel the need to update, I > edit the file with vim, I remove the old lines, copy the shell line in the > script, remove the # and type "V!bash" ;-) Ah, right. I hadn't yet looked at the varnish config file. -- Simon L. B. Nielsen
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