* ProxyJump and offload
@ 2021-04-12 3:32 Jack Hill
2021-04-16 14:07 ` Joshua Branson
0 siblings, 1 reply; 2+ messages in thread
From: Jack Hill @ 2021-04-12 3:32 UTC (permalink / raw)
To: help-guix
Hi Guix,
I'm tryng to set up offloading to a remote machine on a different network.
The preffered way to access machines on the remote network is via
openssh's ProxyJump option (as I understand it, this does some automated
port forwarding to access the eventual remote host via the proxy host). To
that end I've set up the following root ssh config in /root/.ssh/config:
```
Host proxy.remote.jackhill.us
User jackhill
Host builder.jackhill.us
User install
ProxyJump proxy.remote.jackhill.us
```
and /etc/guix/machines.scm:
```
(list
(build-machine
(name "builder.jackhill.us")
(systems '("x86_64-linux"))
(user "install")
(host-key "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHls4Zn3WmWBdBCO43gmwJSd2afVzr980nQV4RLH/tw8 root@builder")
(private-key "/root/.ssh/id_ed25519")))
```
With this configuration `sudo -E guix offload test` suceeds:
```
$ sudo -E guix offload test
guix offload: testing 1 build machines defined in '/etc/guix/machines.scm'...
guix offload: Guix is usable on 'builder.jackhill.us' (test returned "/gnu/store/883yjkl46dxw9mzykykmbs0yzwyxm17z-test")
guix offload: 'builder.jackhill.us' is running GNU Guile 3.0.5
guix offload: sending 1 store item (0 MiB) to 'builder.jackhill.us'...
exporting path `/gnu/store/xv5y6vb5rqivpgg8c23mmyifnbjx4zkg-export-test'
guix offload: 'builder.jackhill.us' successfully imported '/gnu/store/xv5y6vb5rqivpgg8c23mmyifnbjx4zkg-export-test'
retrieving 1 store item from 'builder.jackhill.us'...
guix offload: successfully imported '/gnu/store/0p7dz3ynp51qk4q9nvbscl5bv0hvfcsh-import-test' from 'builder.jackhill.us'
```
However, actually trying to build something that is not in my store fails:
```
$ guix build --no-substitutes okular
The following derivation will be built:
/gnu/store/gcbhh3rbpmcr4p4rdvsj9cw48gwkhnlf-okular-20.12.1.drv
process 18275 acquired build slot '/var/guix/offload/builder.jackhill.us:22/0'
guix offload: error: failed to connect to 'builder.jackhill.us': Socket error: Connection reset by peer
waiting for locks or build slots...
^C
```
If I temporarily disable the need to use a proxy host and remove the ProxyJump line from my ssh config, then it works as expected:
```
$ guix build --no-substitutes okular
The following derivation will be built:
/gnu/store/gcbhh3rbpmcr4p4rdvsj9cw48gwkhnlf-okular-20.12.1.drv
process 18551 acquired build slot '/var/guix/offload/builder.jackhill.us:22/0'
normalized load on machine 'builder.jackhill.us' is 0.01
building /gnu/store/gcbhh3rbpmcr4p4rdvsj9cw48gwkhnlf-okular-20.12.1.drv...
guix offload: sending 294 store items (286 MiB) to 'builder.jackhill.us'...
exporting path `/gnu/store/36dq4d3dba7z2vjiqsqphndn7sb2wmyj-kconfig-5.70.0-guile-builder'
…
```
What am I doing wrong?
Best,
Jack
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: ProxyJump and offload
2021-04-12 3:32 ProxyJump and offload Jack Hill
@ 2021-04-16 14:07 ` Joshua Branson
0 siblings, 0 replies; 2+ messages in thread
From: Joshua Branson @ 2021-04-16 14:07 UTC (permalink / raw)
To: Jack Hill; +Cc: help-guix
Jack Hill <jackhill@jackhill.us> writes:
> Hi Guix,
>
> If I temporarily disable the need to use a proxy host and remove the ProxyJump line from my ssh config, then it works as expected:
>
> ```
> $ guix build --no-substitutes okular
> The following derivation will be built:
> /gnu/store/gcbhh3rbpmcr4p4rdvsj9cw48gwkhnlf-okular-20.12.1.drv
> process 18551 acquired build slot '/var/guix/offload/builder.jackhill.us:22/0'
> normalized load on machine 'builder.jackhill.us' is 0.01
> building /gnu/store/gcbhh3rbpmcr4p4rdvsj9cw48gwkhnlf-okular-20.12.1.drv...
> guix offload: sending 294 store items (286 MiB) to 'builder.jackhill.us'...
> exporting path `/gnu/store/36dq4d3dba7z2vjiqsqphndn7sb2wmyj-kconfig-5.70.0-guile-builder'
> …
> ```
>
> What am I doing wrong?
Maybe guix offloading does not support proxy jumping? Just a wild
guess. I've really no idea. I've never done any off loading.
>
> Best,
> Jack
>
--
Joshua Branson (joshuaBPMan in #guix)
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enough other people get what they want." - Zig Ziglar
^ permalink raw reply [flat|nested] 2+ messages in thread
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