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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.sourcehut;
scfg = cfg.builds;
rcfg = config.services.redis;
iniKey = "builds.sr.ht";
drv = pkgs.sourcehut.buildsrht;
in
{
options.services.sourcehut.builds = {
user = mkOption {
type = types.str;
default = "buildsrht";
description = ''
User for builds.sr.ht.
'';
};
port = mkOption {
type = types.port;
default = 5002;
description = ''
Port on which the "builds" module should listen.
'';
};
database = mkOption {
type = types.str;
default = "builds.sr.ht";
description = ''
PostgreSQL database name for builds.sr.ht.
'';
};
statePath = mkOption {
type = types.path;
default = "${cfg.statePath}/buildsrht";
description = ''
State path for builds.sr.ht.
'';
};
enableWorker = mkOption {
type = types.bool;
default = false;
description = ''
Run workers for builds.sr.ht.
'';
};
images = mkOption {
type = types.attrsOf (types.attrsOf (types.attrsOf types.package));
default = { };
example = lib.literalExample ''(let
# Pinning unstable to allow usage with flakes and limit rebuilds.
pkgs_unstable = builtins.fetchGit {
url = "https://github.com/NixOS/nixpkgs";
rev = "ff96a0fa5635770390b184ae74debea75c3fd534";
ref = "nixos-unstable";
};
image_from_nixpkgs = pkgs_unstable: (import ("${pkgs.sourcehut.buildsrht}/lib/images/nixos/image.nix") {
pkgs = (import pkgs_unstable {});
});
in
{
nixos.unstable.x86_64 = image_from_nixpkgs pkgs_unstable;
}
)'';
description = ''
Images for builds.sr.ht. Each package should be distro.release.arch and point to a /nix/store/package/root.img.qcow2.
'';
};
};
config = with scfg; let
image_dirs = lib.lists.flatten (
lib.attrsets.mapAttrsToList
(distro: revs:
lib.attrsets.mapAttrsToList
(rev: archs:
lib.attrsets.mapAttrsToList
(arch: image:
pkgs.runCommand "buildsrht-images" { } ''
mkdir -p $out/${distro}/${rev}/${arch}
ln -s ${image}/*.qcow2 $out/${distro}/${rev}/${arch}/root.img.qcow2
'')
archs)
revs)
scfg.images);
image_dir_pre = pkgs.symlinkJoin {
name = "builds.sr.ht-worker-images-pre";
paths = image_dirs ++ [
"${pkgs.sourcehut.buildsrht}/lib/images"
];
};
image_dir = pkgs.runCommand "builds.sr.ht-worker-images" { } ''
mkdir -p $out/images
cp -Lr ${image_dir_pre}/* $out/images
'';
in
lib.mkIf (cfg.enable && elem "builds" cfg.services) {
users = {
users = {
"${user}" = {
isSystemUser = true;
group = user;
extraGroups = lib.optionals cfg.builds.enableWorker [ "docker" ];
description = "builds.sr.ht user";
};
};
groups = {
"${user}" = { };
};
};
services.postgresql = {
authentication = ''
local ${database} ${user} trust
'';
ensureDatabases = [ database ];
ensureUsers = [
{
name = user;
ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
}
];
};
systemd = {
tmpfiles.rules = [
"d ${statePath} 0755 ${user} ${user} -"
] ++ (lib.optionals cfg.builds.enableWorker
[ "d ${statePath}/logs 0775 ${user} ${user} - -" ]
);
services = {
buildsrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey
{
after = [ "postgresql.service" "network.target" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
description = "builds.sr.ht website service";
serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
# Hack to bypass this hack: https://git.sr.ht/~sircmpwn/core.sr.ht/tree/master/item/srht-update-profiles#L6
} // { preStart = " "; };
buildsrht-worker = {
enable = scfg.enableWorker;
after = [ "postgresql.service" "network.target" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
partOf = [ "buildsrht.service" ];
description = "builds.sr.ht worker service";
path = [ pkgs.openssh pkgs.docker ];
preStart = let qemuPackage = pkgs.qemu_kvm;
in ''
if [[ "$(docker images -q qemu:latest 2> /dev/null)" == "" || "$(cat ${statePath}/docker-image-qemu 2> /dev/null || true)" != "${qemuPackage.version}" ]]; then
# Create and import qemu:latest image for docker
${
pkgs.dockerTools.streamLayeredImage {
name = "qemu";
tag = "latest";
contents = [ qemuPackage ];
}
} | docker load
# Mark down current package version
printf "%s" "${qemuPackage.version}" > ${statePath}/docker-image-qemu
fi
'';
serviceConfig = {
Type = "simple";
User = user;
Group = "nginx";
Restart = "always";
};
serviceConfig.ExecStart = "${pkgs.sourcehut.buildsrht}/bin/builds.sr.ht-worker";
};
};
};
services.sourcehut.settings = {
# URL builds.sr.ht is being served at (protocol://domain)
"builds.sr.ht".origin = mkDefault "http://builds.${cfg.originBase}";
# Address and port to bind the debug server to
"builds.sr.ht".debug-host = mkDefault "0.0.0.0";
"builds.sr.ht".debug-port = mkDefault port;
# Configures the SQLAlchemy connection string for the database.
"builds.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
# Set to "yes" to automatically run migrations on package upgrade.
"builds.sr.ht".migrate-on-upgrade = mkDefault "yes";
# builds.sr.ht's OAuth client ID and secret for meta.sr.ht
# Register your client at meta.example.org/oauth
"builds.sr.ht".oauth-client-id = mkDefault null;
"builds.sr.ht".oauth-client-secret = mkDefault null;
# The redis connection used for the celery worker
"builds.sr.ht".redis = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/3";
# The shell used for ssh
"builds.sr.ht".shell = mkDefault "runner-shell";
# Register the builds.sr.ht dispatcher
"git.sr.ht::dispatch".${builtins.unsafeDiscardStringContext "${pkgs.sourcehut.buildsrht}/bin/buildsrht-keys"} = mkDefault "${user}:${user}";
# Location for build logs, images, and control command
} // lib.attrsets.optionalAttrs scfg.enableWorker {
# Default worker stores logs that are accessible via this address:port
"builds.sr.ht::worker".name = mkDefault "127.0.0.1:5020";
"builds.sr.ht::worker".buildlogs = mkDefault "${scfg.statePath}/logs";
"builds.sr.ht::worker".images = mkDefault "${image_dir}/images";
"builds.sr.ht::worker".controlcmd = mkDefault "${image_dir}/images/control";
"builds.sr.ht::worker".timeout = mkDefault "3m";
};
services.nginx.virtualHosts."logs.${cfg.originBase}" =
if scfg.enableWorker then {
listen = with builtins; let address = split ":" cfg.settings."builds.sr.ht::worker".name;
in [{ addr = elemAt address 0; port = lib.toInt (elemAt address 2); }];
locations."/logs".root = "${scfg.statePath}";
} else { };
services.nginx.virtualHosts."builds.${cfg.originBase}" = {
forceSSL = true;
locations."/".proxyPass = "http://${cfg.address}:${toString port}";
locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
locations."/static".root = "${pkgs.sourcehut.buildsrht}/${pkgs.sourcehut.python.sitePackages}/buildsrht";
};
};
}
|