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nixpkgs/nixos/modules/services/misc/sourcehut/meta.nix
pennae fb0e5be843 treewide: add defaultText for options with simple interpolation defaults
adds defaultText for all options that use `cfg.*` values in their
defaults, but only for interpolations with no extra processing (other
than toString where necessary)
2021-12-09 01:13:48 +01:00

214 lines
7.6 KiB
Nix

{ config, lib, options, pkgs, ... }:
with lib;
let
cfg = config.services.sourcehut;
opt = options.services.sourcehut;
cfgIni = cfg.settings;
scfg = cfg.meta;
iniKey = "meta.sr.ht";
rcfg = config.services.redis;
drv = pkgs.sourcehut.metasrht;
in
{
options.services.sourcehut.meta = {
user = mkOption {
type = types.str;
default = "metasrht";
description = ''
User for meta.sr.ht.
'';
};
port = mkOption {
type = types.port;
default = 5000;
description = ''
Port on which the "meta" module should listen.
'';
};
database = mkOption {
type = types.str;
default = "meta.sr.ht";
description = ''
PostgreSQL database name for meta.sr.ht.
'';
};
statePath = mkOption {
type = types.path;
default = "${cfg.statePath}/metasrht";
defaultText = literalExpression ''"''${config.${opt.statePath}}/metasrht"'';
description = ''
State path for meta.sr.ht.
'';
};
};
config = with scfg; lib.mkIf (cfg.enable && elem "meta" cfg.services) {
assertions =
[
{
assertion = with cfgIni."meta.sr.ht::billing"; enabled == "yes" -> (stripe-public-key != null && stripe-secret-key != null);
message = "If meta.sr.ht::billing is enabled, the keys should be defined.";
}
];
users = {
users = {
${user} = {
isSystemUser = true;
group = user;
description = "meta.sr.ht user";
};
};
groups = {
"${user}" = { };
};
};
services.cron.systemCronJobs = [ "0 0 * * * ${cfg.python}/bin/metasrht-daily" ];
services.postgresql = {
authentication = ''
local ${database} ${user} trust
'';
ensureDatabases = [ database ];
ensureUsers = [
{
name = user;
ensurePermissions = { "DATABASE \"${database}\"" = "ALL PRIVILEGES"; };
}
];
};
systemd = {
tmpfiles.rules = [
"d ${statePath} 0750 ${user} ${user} -"
];
services = {
metasrht = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
after = [ "postgresql.service" "network.target" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
description = "meta.sr.ht website service";
preStart = ''
# Configure client(s) as "preauthorized"
${concatMapStringsSep "\n\n"
(attr: ''
if ! test -e "${statePath}/${attr}.oauth" || [ "$(cat ${statePath}/${attr}.oauth)" != "${cfgIni."${attr}".oauth-client-id}" ]; then
# Configure ${attr}'s OAuth client as "preauthorized"
psql ${database} \
-c "UPDATE oauthclient SET preauthorized = true WHERE client_id = '${cfgIni."${attr}".oauth-client-id}'"
printf "%s" "${cfgIni."${attr}".oauth-client-id}" > "${statePath}/${attr}.oauth"
fi
'')
(builtins.attrNames (filterAttrs
(k: v: !(hasInfix "::" k) && builtins.hasAttr "oauth-client-id" v && v.oauth-client-id != null)
cfg.settings))}
'';
serviceConfig.ExecStart = "${cfg.python}/bin/gunicorn ${drv.pname}.app:app -b ${cfg.address}:${toString port}";
};
metasrht-api = import ./service.nix { inherit config pkgs lib; } scfg drv iniKey {
after = [ "postgresql.service" "network.target" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
description = "meta.sr.ht api service";
preStart = ''
# Configure client(s) as "preauthorized"
${concatMapStringsSep "\n\n"
(attr: ''
if ! test -e "${statePath}/${attr}.oauth" || [ "$(cat ${statePath}/${attr}.oauth)" != "${cfgIni."${attr}".oauth-client-id}" ]; then
# Configure ${attr}'s OAuth client as "preauthorized"
psql ${database} \
-c "UPDATE oauthclient SET preauthorized = true WHERE client_id = '${cfgIni."${attr}".oauth-client-id}'"
printf "%s" "${cfgIni."${attr}".oauth-client-id}" > "${statePath}/${attr}.oauth"
fi
'')
(builtins.attrNames (filterAttrs
(k: v: !(hasInfix "::" k) && builtins.hasAttr "oauth-client-id" v && v.oauth-client-id != null)
cfg.settings))}
'';
serviceConfig.ExecStart = "${pkgs.sourcehut.metasrht}/bin/metasrht-api -b :${toString (port + 100)}";
};
metasrht-webhooks = {
after = [ "postgresql.service" "network.target" ];
requires = [ "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
description = "meta.sr.ht webhooks service";
serviceConfig = {
Type = "simple";
User = user;
Restart = "always";
ExecStart = "${cfg.python}/bin/celery -A ${drv.pname}.webhooks worker --loglevel=info";
};
};
};
};
services.sourcehut.settings = {
# URL meta.sr.ht is being served at (protocol://domain)
"meta.sr.ht".origin = mkDefault "https://meta.${cfg.originBase}";
# Address and port to bind the debug server to
"meta.sr.ht".debug-host = mkDefault "0.0.0.0";
"meta.sr.ht".debug-port = mkDefault port;
# Configures the SQLAlchemy connection string for the database.
"meta.sr.ht".connection-string = mkDefault "postgresql:///${database}?user=${user}&host=/var/run/postgresql";
# Set to "yes" to automatically run migrations on package upgrade.
"meta.sr.ht".migrate-on-upgrade = mkDefault "yes";
# If "yes", the user will be sent the stock sourcehut welcome emails after
# signup (requires cron to be configured properly). These are specific to the
# sr.ht instance so you probably want to patch these before enabling this.
"meta.sr.ht".welcome-emails = mkDefault "no";
# The redis connection used for the webhooks worker
"meta.sr.ht".webhooks = mkDefault "redis://${rcfg.bind}:${toString rcfg.port}/6";
# If "no", public registration will not be permitted.
"meta.sr.ht::settings".registration = mkDefault "no";
# Where to redirect new users upon registration
"meta.sr.ht::settings".onboarding-redirect = mkDefault "https://meta.${cfg.originBase}";
# How many invites each user is issued upon registration (only applicable if
# open registration is disabled)
"meta.sr.ht::settings".user-invites = mkDefault 5;
# Origin URL for API, 100 more than web
"meta.sr.ht".api-origin = mkDefault "http://localhost:5100";
# You can add aliases for the client IDs of commonly used OAuth clients here.
#
# Example:
"meta.sr.ht::aliases" = mkDefault { };
# "meta.sr.ht::aliases"."git.sr.ht" = 12345;
# "yes" to enable the billing system
"meta.sr.ht::billing".enabled = mkDefault "no";
# Get your keys at https://dashboard.stripe.com/account/apikeys
"meta.sr.ht::billing".stripe-public-key = mkDefault null;
"meta.sr.ht::billing".stripe-secret-key = mkDefault null;
};
services.nginx.virtualHosts."meta.${cfg.originBase}" = {
forceSSL = true;
locations."/".proxyPass = "http://${cfg.address}:${toString port}";
locations."/query".proxyPass = "http://${cfg.address}:${toString (port + 100)}";
locations."/static".root = "${pkgs.sourcehut.metasrht}/${pkgs.sourcehut.python.sitePackages}/metasrht";
};
};
}