[Nix-dev] Multiple ssh substituter hosts

[Bas van Dijk]

This seems to cover the first part about pushing nars from hydra to s3:


https://github.com/NixOS/hydra/pull/118/commits/7c000713370bbb896e127503e8b0276c65eb76ae

Now I just need to configure my private s3 bucket as a binary cache. Anyone
know how to set that up?

On 21 November 2016 at 02:18, Bas van Dijk <v.dijk.bas at gmail.com> wrote:

> That seems like a good idea.
>
> Ideally my hydra service would upload the nars it builds to a private s3
> bucket. Then my machines need to use this private s3 bucket as a binary
> cache.
>
> Is there any documentation on how to do this?
>
> On 20 November 2016 at 22:34, zimbatm <zimbatm at zimbatm.com> wrote:
>
>> It's probably expensive to open all the ssh connections. Depending on
>> your use-case you might be better off uploading all the binaries to a
>> single destination like S3.
>>
>> On Sun, 20 Nov 2016 at 20:16 Bas van Dijk <v.dijk.bas at gmail.com> wrote:
>>
>> I see. Thanks for pointing me to the source.
>>
>> I also see that supporting more hosts is listed as a TODO:
>>
>>   https://github.com/NixOS/nix/blob/master/src/download-via-ss
>> h/download-via-ssh.cc#L18
>>
>> Hopefully that gets implemented some day!
>>
>> Cheers,
>>
>> Bas
>>
>> On 20 November 2016 at 20:13, zimbatm <zimbatm at zimbatm.com> wrote:
>>
>> Hi Bas,
>>
>> It looks like it's only taking the first host from the list[1]. I suppose
>> the intention was to provide fallbacks but it didn't get implemented.
>>
>> [1]: https://github.com/NixOS/nix/blob/master/src/download-via-ss
>> h/download-via-ssh.cc#L114
>>
>>
>> On Sun, 20 Nov 2016 at 15:49 Bas van Dijk <v.dijk.bas at gmail.com> wrote:
>>
>> Dear all,
>>
>> Is it possible to have multiple ssh-substituter-hosts, as in:
>>
>>   ssh-substituter-hosts = nix-ssh at host1 nix-ssh at host2
>>
>> The documentation[1] is not entirely clear on that.
>>
>> Bas
>>
>> [1] http://nixos.org/nix/manual/#ssec-ssh-substituter
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>>
>>
>
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