Add new GitLab runner for gitlab.bsc.es

It uses docker based on alpine and the host nix store, so we can perform
builds but isolate them from the system.

Reviewed-by: Aleix Boné <abonerib@bsc.es>
This commit is contained in:
Rodrigo Arias 2025-01-24 13:00:54 +01:00
parent b82894eaec
commit edf744db8d
3 changed files with 87 additions and 6 deletions

View File

@ -1,8 +1,9 @@
{ pkgs, lib, config, ... }:
{
age.secrets.gitlabRunnerShellToken.file = ../../secrets/gitlab-runner-shell-token.age;
age.secrets.gitlabRunnerDockerToken.file = ../../secrets/gitlab-runner-docker-token.age;
age.secrets.gitlab-pm-shell.file = ../../secrets/gitlab-runner-shell-token.age;
age.secrets.gitlab-pm-docker.file = ../../secrets/gitlab-runner-docker-token.age;
age.secrets.gitlab-bsc-docker.file = ../../secrets/gitlab-bsc-docker-token.age;
services.gitlab-runner = {
enable = true;
@ -21,21 +22,89 @@
"--docker-network-mode host"
];
environmentVariables = {
https_proxy = "http://localhost:23080";
http_proxy = "http://localhost:23080";
https_proxy = "http://hut:23080";
http_proxy = "http://hut:23080";
};
};
in {
# For pm.bsc.es/gitlab
gitlab-pm-shell = common-shell // {
authenticationTokenConfigFile = config.age.secrets.gitlabRunnerShellToken.path;
authenticationTokenConfigFile = config.age.secrets.gitlab-pm-shell.path;
};
gitlab-pm-docker = common-docker // {
authenticationTokenConfigFile = config.age.secrets.gitlabRunnerDockerToken.path;
authenticationTokenConfigFile = config.age.secrets.gitlab-pm-docker.path;
};
gitlab-bsc-docker = {
# gitlab.bsc.es still uses the old token mechanism
registrationConfigFile = config.age.secrets.gitlab-bsc-docker.path;
tagList = [ "docker" "hut" ];
environmentVariables = {
# We cannot access the hut local interface from docker, so we connect
# to hut directly via the ethernet one.
https_proxy = "http://hut:23080";
http_proxy = "http://hut:23080";
};
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"
];
dockerExtraHosts = [
# Required to pass the proxy via hut
"hut:10.0.40.7"
];
dockerDisableCache = true;
registrationFlags = [
# Increase build log length to 64 MiB
"--output-limit 65536"
];
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 > "$HOME/.ssh/config" << EOF
Host bscpm04.bsc.es gitlab-internal.bsc.es
User git
ProxyCommand nc -X connect -x hut:23080 %h %p
Host amdlogin1.bsc.es armlogin1.bsc.es hualogin1.bsc.es glogin1.bsc.es glogin2.bsc.es fpgalogin1.bsc.es
ProxyCommand nc -X connect -x hut:23080 %h %p
EOF
cat >> "$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";
};
};
};
};
# DOCKER* chains are useless, override at FORWARD
networking.firewall.extraCommands = ''
# Allow docker to use our proxy
iptables -I FORWARD 1 -p tcp -i docker0 -d hut --dport 23080 -j nixos-fw-accept
# Block anything else coming from docker
iptables -I FORWARD 2 -p all -i docker0 -j nixos-fw-log-refuse
'';
#systemd.services.gitlab-runner.serviceConfig.Shell = "${pkgs.bash}/bin/bash";
systemd.services.gitlab-runner.serviceConfig.DynamicUser = lib.mkForce false;
systemd.services.gitlab-runner.serviceConfig.User = "gitlab-runner";

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@ -0,0 +1,11 @@
age-encryption.org/v1
-> ssh-ed25519 HY2yRg WSdjyQPzBJ4JbzQpGeq1AAYpWKoXmLI1ZtmNmM5QOzs
qGDlDT31DQF1DdHen0+5+52DdsQlabJdA2pOB5O1I6g
-> ssh-ed25519 CAWG4Q wioWMDxQjN+d4JdIbCwZg0DLQu1OH2mV6gukRprjuAs
670fE61hidOEh20hHiQAhP0+CjDF0WMBNzgwkGT8Yqg
-> ssh-ed25519 MSF3dg DN19uvAEtqq4708P6HpuX9i/o/qAvHX6dj69dCF2H1o
4Lu9GnjiFLMeXJ2C7aVPJsCHCQVlhylNWJi896Av92s
--- 7cKBwOYNOUZ2h3/kAY09aSMASZSxX7hZIT4kvlIiT6w
³6—çà•äfQF5=¦bX+‡v e`Ï7ªA~PÎÖѦ7<15>Ì
´ÖA÷)·h³ù=oZ¸ ^´V0ñ/Ü…µr
k¸uœbĶ:R<52>>^gŒõ¼ik_*% <0B>a7ùKGæ<47>ÐÖçâ&­PI¶£n

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@ -9,6 +9,7 @@ in
"gitea-runner-token.age".publicKeys = hut;
"gitlab-runner-docker-token.age".publicKeys = hut;
"gitlab-runner-shell-token.age".publicKeys = hut;
"gitlab-bsc-docker-token.age".publicKeys = hut;
"nix-serve.age".publicKeys = hut;
"jungle-robot-password.age".publicKeys = hut;
"ipmi.yml.age".publicKeys = hut;