Files
jungle/m/tent/gitlab-runner.nix
Rodrigo Arias Mallo 84a5cb09ee Use host mode for docker network
In order to reduce the traffic of the secondary Ethernet device we need
to be able to directly use the physical device instead of the virtual
one. For now use the host mode and see later if we can revert it.

Reviewed-by: Aleix Boné <abonerib@bsc.es>
2026-03-05 15:29:23 +01:00

95 lines
3.6 KiB
Nix

{ pkgs, lib, config, ... }:
{
age.secrets.tent-gitlab-runner-pm-shell.file = ../../secrets/tent-gitlab-runner-pm-shell-token.age;
age.secrets.tent-gitlab-runner-pm-docker.file = ../../secrets/tent-gitlab-runner-pm-docker-token.age;
age.secrets.tent-gitlab-runner-bsc-docker.file = ../../secrets/tent-gitlab-runner-bsc-docker-token.age;
services.gitlab-runner = let sec = config.age.secrets; in {
enable = true;
settings.concurrent = 5;
services = {
# For gitlab.pm.bsc.es
gitlab-pm-shell = {
executor = "shell";
environmentVariables = {
SHELL = "${pkgs.bash}/bin/bash";
};
authenticationTokenConfigFile = sec.tent-gitlab-runner-pm-shell.path;
preGetSourcesScript = pkgs.writeScript "setup" ''
echo "This is the preGetSources script running, brace for impact"
env
'';
};
gitlab-pm-docker = {
authenticationTokenConfigFile = sec.tent-gitlab-runner-pm-docker.path;
executor = "docker";
dockerImage = "debian:stable";
};
# For gitlab.bsc.es
gitlab-bsc-docker = {
# gitlab.bsc.es still uses the old token mechanism
registrationConfigFile = sec.tent-gitlab-runner-bsc-docker.path;
tagList = [ "docker" "tent" "nix" ];
executor = "docker";
dockerImage = "alpine";
dockerVolumes = [
"/nix/store:/nix/store:ro"
"/nix/var/nix/db:/nix/var/nix/db:ro"
"/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
];
dockerDisableCache = true;
registrationFlags = [
# Increase build log length to 64 MiB
"--output-limit 65536"
"--docker-network-mode host"
];
preBuildScript = pkgs.writeScript "setup-container" ''
mkdir -p -m 0755 /nix/var/log/nix/drvs
mkdir -p -m 0755 /nix/var/nix/gcroots
mkdir -p -m 0755 /nix/var/nix/profiles
mkdir -p -m 0755 /nix/var/nix/temproots
mkdir -p -m 0755 /nix/var/nix/userpool
mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
mkdir -p -m 1777 /nix/var/nix/profiles/per-user
mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
mkdir -p -m 0700 "$HOME/.nix-defexpr"
mkdir -p -m 0700 "$HOME/.ssh"
cat >> "$HOME/.ssh/known_hosts" << EOF
bscpm04.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPx4mC0etyyjYUT2Ztc/bs4ZXSbVMrogs1ZTP924PDgT
gitlab-internal.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF9arsAOSRB06hdy71oTvJHG2Mg8zfebADxpvc37lZo3
EOF
. ${pkgs.nix}/etc/profile.d/nix-daemon.sh
# Required to load SSL certificate paths
. ${pkgs.cacert}/nix-support/setup-hook
'';
environmentVariables = {
ENV = "/etc/profile";
USER = "root";
NIX_REMOTE = "daemon";
PATH = "${config.system.path}/bin:/bin:/sbin:/usr/bin:/usr/sbin";
};
};
};
};
systemd.services.gitlab-runner.serviceConfig = {
DynamicUser = lib.mkForce false;
User = "gitlab-runner";
Group = "gitlab-runner";
ExecStart = lib.mkForce
''${pkgs.gitlab-runner}/bin/gitlab-runner run --config ''${HOME}/.gitlab-runner/config.toml --listen-address "127.0.0.1:9252" --working-directory ''${HOME}'';
};
users.users.gitlab-runner = {
uid = config.ids.uids.gitlab-runner;
home = "/var/lib/gitlab-runner";
description = "Gitlab Runner";
group = "gitlab-runner";
extraGroups = [ "docker" ];
createHome = true;
};
users.groups.gitlab-runner.gid = config.ids.gids.gitlab-runner;
}