mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-22 05:33:23 +00:00
ef176dcf7e
conversions were done using https://github.com/pennae/nix-doc-munge using (probably) rev f34e145 running nix-doc-munge nixos/**/*.nix nix-doc-munge --import nixos/**/*.nix the tool ensures that only changes that could affect the generated manual *but don't* are committed, other changes require manual review and are discarded.
376 lines
14 KiB
Nix
376 lines
14 KiB
Nix
srv:
|
|
{ configIniOfService
|
|
, srvsrht ? "${srv}srht" # Because "buildsrht" does not follow that pattern (missing an "s").
|
|
, iniKey ? "${srv}.sr.ht"
|
|
, webhooks ? false
|
|
, extraTimers ? {}
|
|
, mainService ? {}
|
|
, extraServices ? {}
|
|
, extraConfig ? {}
|
|
, port
|
|
}:
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
let
|
|
inherit (config.services) postgresql;
|
|
redis = config.services.redis.servers."sourcehut-${srvsrht}";
|
|
inherit (config.users) users;
|
|
cfg = config.services.sourcehut;
|
|
configIni = configIniOfService srv;
|
|
srvCfg = cfg.${srv};
|
|
baseService = serviceName: { allowStripe ? false }: extraService: let
|
|
runDir = "/run/sourcehut/${serviceName}";
|
|
rootDir = "/run/sourcehut/chroots/${serviceName}";
|
|
in
|
|
mkMerge [ extraService {
|
|
after = [ "network.target" ] ++
|
|
optional cfg.postgresql.enable "postgresql.service" ++
|
|
optional cfg.redis.enable "redis-sourcehut-${srvsrht}.service";
|
|
requires =
|
|
optional cfg.postgresql.enable "postgresql.service" ++
|
|
optional cfg.redis.enable "redis-sourcehut-${srvsrht}.service";
|
|
path = [ pkgs.gawk ];
|
|
environment.HOME = runDir;
|
|
serviceConfig = {
|
|
User = mkDefault srvCfg.user;
|
|
Group = mkDefault srvCfg.group;
|
|
RuntimeDirectory = [
|
|
"sourcehut/${serviceName}"
|
|
# Used by *srht-keys which reads ../config.ini
|
|
"sourcehut/${serviceName}/subdir"
|
|
"sourcehut/chroots/${serviceName}"
|
|
];
|
|
RuntimeDirectoryMode = "2750";
|
|
# No need for the chroot path once inside the chroot
|
|
InaccessiblePaths = [ "-+${rootDir}" ];
|
|
# g+rx is for group members (eg. fcgiwrap or nginx)
|
|
# to read Git/Mercurial repositories, buildlogs, etc.
|
|
# o+x is for intermediate directories created by BindPaths= and like,
|
|
# as they're owned by root:root.
|
|
UMask = "0026";
|
|
RootDirectory = rootDir;
|
|
RootDirectoryStartOnly = true;
|
|
PrivateTmp = true;
|
|
MountAPIVFS = true;
|
|
# config.ini is looked up in there, before /etc/srht/config.ini
|
|
# Note that it fails to be set in ExecStartPre=
|
|
WorkingDirectory = mkDefault ("-"+runDir);
|
|
BindReadOnlyPaths = [
|
|
builtins.storeDir
|
|
"/etc"
|
|
"/run/booted-system"
|
|
"/run/current-system"
|
|
"/run/systemd"
|
|
] ++
|
|
optional cfg.postgresql.enable "/run/postgresql" ++
|
|
optional cfg.redis.enable "/run/redis-sourcehut-${srvsrht}";
|
|
# LoadCredential= are unfortunately not available in ExecStartPre=
|
|
# Hence this one is run as root (the +) with RootDirectoryStartOnly=
|
|
# to reach credentials wherever they are.
|
|
# Note that each systemd service gets its own ${runDir}/config.ini file.
|
|
ExecStartPre = mkBefore [("+"+pkgs.writeShellScript "${serviceName}-credentials" ''
|
|
set -x
|
|
# Replace values begining with a '<' by the content of the file whose name is after.
|
|
gawk '{ if (match($0,/^([^=]+=)<(.+)/,m)) { getline f < m[2]; print m[1] f } else print $0 }' ${configIni} |
|
|
${optionalString (!allowStripe) "gawk '!/^stripe-secret-key=/' |"}
|
|
install -o ${srvCfg.user} -g root -m 400 /dev/stdin ${runDir}/config.ini
|
|
'')];
|
|
# The following options are only for optimizing:
|
|
# systemd-analyze security
|
|
AmbientCapabilities = "";
|
|
CapabilityBoundingSet = "";
|
|
# ProtectClock= adds DeviceAllow=char-rtc r
|
|
DeviceAllow = "";
|
|
LockPersonality = true;
|
|
MemoryDenyWriteExecute = true;
|
|
NoNewPrivileges = true;
|
|
PrivateDevices = true;
|
|
PrivateMounts = true;
|
|
PrivateNetwork = mkDefault false;
|
|
PrivateUsers = true;
|
|
ProcSubset = "pid";
|
|
ProtectClock = true;
|
|
ProtectControlGroups = true;
|
|
ProtectHome = true;
|
|
ProtectHostname = true;
|
|
ProtectKernelLogs = true;
|
|
ProtectKernelModules = true;
|
|
ProtectKernelTunables = true;
|
|
ProtectProc = "invisible";
|
|
ProtectSystem = "strict";
|
|
RemoveIPC = true;
|
|
RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
|
|
RestrictNamespaces = true;
|
|
RestrictRealtime = true;
|
|
RestrictSUIDSGID = true;
|
|
#SocketBindAllow = [ "tcp:${toString srvCfg.port}" "tcp:${toString srvCfg.prometheusPort}" ];
|
|
#SocketBindDeny = "any";
|
|
SystemCallFilter = [
|
|
"@system-service"
|
|
"~@aio" "~@keyring" "~@memlock" "~@privileged" "~@resources" "~@timer"
|
|
"@chown" "@setuid"
|
|
];
|
|
SystemCallArchitectures = "native";
|
|
};
|
|
} ];
|
|
in
|
|
{
|
|
options.services.sourcehut.${srv} = {
|
|
enable = mkEnableOption (lib.mdDoc "${srv} service");
|
|
|
|
user = mkOption {
|
|
type = types.str;
|
|
default = srvsrht;
|
|
description = lib.mdDoc ''
|
|
User for ${srv}.sr.ht.
|
|
'';
|
|
};
|
|
|
|
group = mkOption {
|
|
type = types.str;
|
|
default = srvsrht;
|
|
description = lib.mdDoc ''
|
|
Group for ${srv}.sr.ht.
|
|
Membership grants access to the Git/Mercurial repositories by default,
|
|
but not to the config.ini file (where secrets are).
|
|
'';
|
|
};
|
|
|
|
port = mkOption {
|
|
type = types.port;
|
|
default = port;
|
|
description = lib.mdDoc ''
|
|
Port on which the "${srv}" backend should listen.
|
|
'';
|
|
};
|
|
|
|
redis = {
|
|
host = mkOption {
|
|
type = types.str;
|
|
default = "unix:///run/redis-sourcehut-${srvsrht}/redis.sock?db=0";
|
|
example = "redis://shared.wireguard:6379/0";
|
|
description = lib.mdDoc ''
|
|
The redis host URL. This is used for caching and temporary storage, and must
|
|
be shared between nodes (e.g. git1.sr.ht and git2.sr.ht), but need not be
|
|
shared between services. It may be shared between services, however, with no
|
|
ill effect, if this better suits your infrastructure.
|
|
'';
|
|
};
|
|
};
|
|
|
|
postgresql = {
|
|
database = mkOption {
|
|
type = types.str;
|
|
default = "${srv}.sr.ht";
|
|
description = lib.mdDoc ''
|
|
PostgreSQL database name for the ${srv}.sr.ht service,
|
|
used if [](#opt-services.sourcehut.postgresql.enable) is `true`.
|
|
'';
|
|
};
|
|
};
|
|
|
|
gunicorn = {
|
|
extraArgs = mkOption {
|
|
type = with types; listOf str;
|
|
default = ["--timeout 120" "--workers 1" "--log-level=info"];
|
|
description = lib.mdDoc "Extra arguments passed to Gunicorn.";
|
|
};
|
|
};
|
|
} // optionalAttrs webhooks {
|
|
webhooks = {
|
|
extraArgs = mkOption {
|
|
type = with types; listOf str;
|
|
default = ["--loglevel DEBUG" "--pool eventlet" "--without-heartbeat"];
|
|
description = lib.mdDoc "Extra arguments passed to the Celery responsible for webhooks.";
|
|
};
|
|
celeryConfig = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = lib.mdDoc "Content of the `celeryconfig.py` used by the Celery responsible for webhooks.";
|
|
};
|
|
};
|
|
};
|
|
|
|
config = lib.mkIf (cfg.enable && srvCfg.enable) (mkMerge [ extraConfig {
|
|
users = {
|
|
users = {
|
|
"${srvCfg.user}" = {
|
|
isSystemUser = true;
|
|
group = mkDefault srvCfg.group;
|
|
description = mkDefault "sourcehut user for ${srv}.sr.ht";
|
|
};
|
|
};
|
|
groups = {
|
|
"${srvCfg.group}" = { };
|
|
} // optionalAttrs (cfg.postgresql.enable
|
|
&& hasSuffix "0" (postgresql.settings.unix_socket_permissions or "")) {
|
|
"postgres".members = [ srvCfg.user ];
|
|
} // optionalAttrs (cfg.redis.enable
|
|
&& hasSuffix "0" (redis.settings.unixsocketperm or "")) {
|
|
"redis-sourcehut-${srvsrht}".members = [ srvCfg.user ];
|
|
};
|
|
};
|
|
|
|
services.nginx = mkIf cfg.nginx.enable {
|
|
virtualHosts."${srv}.${cfg.settings."sr.ht".global-domain}" = mkMerge [ {
|
|
forceSSL = mkDefault true;
|
|
locations."/".proxyPass = "http://${cfg.listenAddress}:${toString srvCfg.port}";
|
|
locations."/static" = {
|
|
root = "${pkgs.sourcehut.${srvsrht}}/${pkgs.sourcehut.python.sitePackages}/${srvsrht}";
|
|
extraConfig = mkDefault ''
|
|
expires 30d;
|
|
'';
|
|
};
|
|
} cfg.nginx.virtualHost ];
|
|
};
|
|
|
|
services.postgresql = mkIf cfg.postgresql.enable {
|
|
authentication = ''
|
|
local ${srvCfg.postgresql.database} ${srvCfg.user} trust
|
|
'';
|
|
ensureDatabases = [ srvCfg.postgresql.database ];
|
|
ensureUsers = map (name: {
|
|
inherit name;
|
|
ensurePermissions = { "DATABASE \"${srvCfg.postgresql.database}\"" = "ALL PRIVILEGES"; };
|
|
}) [srvCfg.user];
|
|
};
|
|
|
|
services.sourcehut.services = mkDefault (filter (s: cfg.${s}.enable)
|
|
[ "builds" "dispatch" "git" "hg" "hub" "lists" "man" "meta" "pages" "paste" "todo" ]);
|
|
|
|
services.sourcehut.settings = mkMerge [
|
|
{
|
|
"${srv}.sr.ht".origin = mkDefault "https://${srv}.${cfg.settings."sr.ht".global-domain}";
|
|
}
|
|
|
|
(mkIf cfg.postgresql.enable {
|
|
"${srv}.sr.ht".connection-string = mkDefault "postgresql:///${srvCfg.postgresql.database}?user=${srvCfg.user}&host=/run/postgresql";
|
|
})
|
|
];
|
|
|
|
services.redis.servers."sourcehut-${srvsrht}" = mkIf cfg.redis.enable {
|
|
enable = true;
|
|
databases = 3;
|
|
syslog = true;
|
|
# TODO: set a more informed value
|
|
save = mkDefault [ [1800 10] [300 100] ];
|
|
settings = {
|
|
# TODO: set a more informed value
|
|
maxmemory = "128MB";
|
|
maxmemory-policy = "volatile-ttl";
|
|
};
|
|
};
|
|
|
|
systemd.services = mkMerge [
|
|
{
|
|
"${srvsrht}" = baseService srvsrht { allowStripe = srv == "meta"; } (mkMerge [
|
|
{
|
|
description = "sourcehut ${srv}.sr.ht website service";
|
|
before = optional cfg.nginx.enable "nginx.service";
|
|
wants = optional cfg.nginx.enable "nginx.service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
path = optional cfg.postgresql.enable postgresql.package;
|
|
# Beware: change in credentials' content will not trigger restart.
|
|
restartTriggers = [ configIni ];
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
Restart = mkDefault "always";
|
|
#RestartSec = mkDefault "2min";
|
|
StateDirectory = [ "sourcehut/${srvsrht}" ];
|
|
StateDirectoryMode = "2750";
|
|
ExecStart = "${cfg.python}/bin/gunicorn ${srvsrht}.app:app --name ${srvsrht} --bind ${cfg.listenAddress}:${toString srvCfg.port} " + concatStringsSep " " srvCfg.gunicorn.extraArgs;
|
|
};
|
|
preStart = let
|
|
version = pkgs.sourcehut.${srvsrht}.version;
|
|
stateDir = "/var/lib/sourcehut/${srvsrht}";
|
|
in mkBefore ''
|
|
set -x
|
|
# Use the /run/sourcehut/${srvsrht}/config.ini
|
|
# installed by a previous ExecStartPre= in baseService
|
|
cd /run/sourcehut/${srvsrht}
|
|
|
|
if test ! -e ${stateDir}/db; then
|
|
# Setup the initial database.
|
|
# Note that it stamps the alembic head afterward
|
|
${cfg.python}/bin/${srvsrht}-initdb
|
|
echo ${version} >${stateDir}/db
|
|
fi
|
|
|
|
${optionalString cfg.settings.${iniKey}.migrate-on-upgrade ''
|
|
if [ "$(cat ${stateDir}/db)" != "${version}" ]; then
|
|
# Manage schema migrations using alembic
|
|
${cfg.python}/bin/${srvsrht}-migrate -a upgrade head
|
|
echo ${version} >${stateDir}/db
|
|
fi
|
|
''}
|
|
|
|
# Update copy of each users' profile to the latest
|
|
# See https://lists.sr.ht/~sircmpwn/sr.ht-admins/<20190302181207.GA13778%40cirno.my.domain>
|
|
if test ! -e ${stateDir}/webhook; then
|
|
# Update ${iniKey}'s users' profile copy to the latest
|
|
${cfg.python}/bin/srht-update-profiles ${iniKey}
|
|
touch ${stateDir}/webhook
|
|
fi
|
|
'';
|
|
} mainService ]);
|
|
}
|
|
|
|
(mkIf webhooks {
|
|
"${srvsrht}-webhooks" = baseService "${srvsrht}-webhooks" {}
|
|
{
|
|
description = "sourcehut ${srv}.sr.ht webhooks service";
|
|
after = [ "${srvsrht}.service" ];
|
|
wantedBy = [ "${srvsrht}.service" ];
|
|
partOf = [ "${srvsrht}.service" ];
|
|
preStart = ''
|
|
cp ${pkgs.writeText "${srvsrht}-webhooks-celeryconfig.py" srvCfg.webhooks.celeryConfig} \
|
|
/run/sourcehut/${srvsrht}-webhooks/celeryconfig.py
|
|
'';
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
Restart = "always";
|
|
ExecStart = "${cfg.python}/bin/celery --app ${srvsrht}.webhooks worker --hostname ${srvsrht}-webhooks@%%h " + concatStringsSep " " srvCfg.webhooks.extraArgs;
|
|
# Avoid crashing: os.getloadavg()
|
|
ProcSubset = mkForce "all";
|
|
};
|
|
};
|
|
})
|
|
|
|
(mapAttrs (timerName: timer: (baseService timerName {} (mkMerge [
|
|
{
|
|
description = "sourcehut ${timerName} service";
|
|
after = [ "network.target" "${srvsrht}.service" ];
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
ExecStart = "${cfg.python}/bin/${timerName}";
|
|
};
|
|
}
|
|
(timer.service or {})
|
|
]))) extraTimers)
|
|
|
|
(mapAttrs (serviceName: extraService: baseService serviceName {} (mkMerge [
|
|
{
|
|
description = "sourcehut ${serviceName} service";
|
|
# So that extraServices have the PostgreSQL database initialized.
|
|
after = [ "${srvsrht}.service" ];
|
|
wantedBy = [ "${srvsrht}.service" ];
|
|
partOf = [ "${srvsrht}.service" ];
|
|
serviceConfig = {
|
|
Type = "simple";
|
|
Restart = mkDefault "always";
|
|
};
|
|
}
|
|
extraService
|
|
])) extraServices)
|
|
];
|
|
|
|
systemd.timers = mapAttrs (timerName: timer:
|
|
{
|
|
description = "sourcehut timer for ${timerName}";
|
|
wantedBy = [ "timers.target" ];
|
|
inherit (timer) timerConfig;
|
|
}) extraTimers;
|
|
} ]);
|
|
}
|