Rodrigo Arias Mallo e6aef2cbd0 Add proxy configuration for internal hosts
Access internal hosts via apex proxy. From the compute nodes we first
open an SSH connection to apex, and then tunnel it through the HTTP
proxy with netcat.

This way we allow reaching internal GitLab repositories without
requiring the user to have credentials in the remote host, while we can
use multiple remotes to provide redundancy.

Reviewed-by: Aleix Boné <abonerib@bsc.es>
2025-07-15 11:18:36 +02:00

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{
# Use SSH tunnel to apex to reach internal hosts
programs.ssh.extraConfig = ''
Host tent
ProxyJump raccoon
# Access raccoon via the HTTP proxy
Host raccoon knights3.bsc.es
HostName knights3.bsc.es
ProxyCommand=ssh apex 'nc -X connect -x localhost:23080 %h %p'
# Make sure we can reach gitlab even if we don't have SSH access to raccoon
Host bscpm04.bsc.es gitlab-internal.bsc.es
ProxyCommand=ssh apex 'nc -X connect -x localhost:23080 %h %p'
'';
}