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{
description = "a free software media publishing platform that anyone can run.";
inputs.myuids = {
url = "path:../myuids";
};
inputs.flake-utils.url = "github:numtide/flake-utils";
inputs.nixpkgs = {
url = "github:NixOS/nixpkgs/840c782d507d60aaa49aa9e3f6d0b0e780912742";
flake = false;
};
inputs.mediagoblin = {
url = "git+https://git.savannah.gnu.org/git/mediagoblin.git?submodules=1&ref=stable&rev=cd465ebfec837a75a44c4ebd727dffe2fff6d850";
flake = false;
};
outputs = { self, myuids, nixpkgs, mediagoblin, flake-utils }: flake-utils.lib.eachSystem ["x86_64-linux"] (system:
let
pkgs = import nixpkgs { inherit system; overlays = []; };
version = (builtins.fromJSON (builtins.readFile ./flake.lock)).nodes.mediagoblin.original.ref;
inherit (pkgs) callPackage;
in rec {
packages.mediagoblin = callPackage ./. { src = mediagoblin // { inherit version; }; };
defaultPackage = packages.mediagoblin;
legacyPackages.mediagoblin = packages.mediagoblin;
checks = {
build = defaultPackage;
};
}
) // rec {
overlays = {
mediagoblin = final: prev: {
mediagoblin = self.defaultPackage."${final.system}";
};
};
overlay = overlays.mediagoblin;
nixosModule = { lib, pkgs, config, ... }:
let
name = "mediagoblin";
cfg = config.services.mediagoblin;
uid = config.ids.uids.mediagoblin;
gid = config.ids.gids.mediagoblin;
paste_local = pkgs.writeText "paste_local.ini" ''
[DEFAULT]
debug = false
[pipeline:main]
pipeline = mediagoblin
[app:mediagoblin]
use = egg:mediagoblin#app
config = ${cfg.configFile} ${cfg.package}/mediagoblin.ini
/mgoblin_static = ${cfg.package}/mediagoblin/static
[loggers]
keys = root
[handlers]
keys = console
[formatters]
keys = generic
[logger_root]
level = INFO
handlers = console
[handler_console]
class = StreamHandler
args = (sys.stderr,)
level = NOTSET
formatter = generic
[formatter_generic]
format = %(levelname)-7.7s [%(name)s] %(message)s
[filter:errors]
use = egg:mediagoblin#errors
debug = false
[server:main]
use = egg:waitress#main
unix_socket = ${cfg.sockets.paster}
unix_socket_perms = 777
url_scheme = https
'';
in
{
options.services.mediagoblin = {
enable = lib.mkEnableOption "Enable Mediagoblin’s service";
user = lib.mkOption {
type = lib.types.str;
default = name;
description = "User account under which Mediagoblin runs";
};
group = lib.mkOption {
type = lib.types.str;
default = name;
description = "Group under which Mediagoblin runs";
};
dataDir = lib.mkOption {
type = lib.types.path;
default = "/var/lib/${name}";
description = ''
The directory where Mediagoblin stores its data.
'';
};
socketsDir = lib.mkOption {
type = lib.types.path;
default = "/run/${name}";
description = ''
The directory where Mediagoblin puts runtime files and sockets.
'';
};
configFile = lib.mkOption {
type = lib.types.path;
description = ''
The configuration file path for Mediagoblin.
'';
};
package = lib.mkOption {
type = lib.types.package;
default = pkgs.mediagoblin;
example = lib.literalExample ''
pkgs.webapps.mediagoblin.withPlugins (p: [p.basicsearch])
'';
description = ''
Mediagoblin package to use.
'';
};
systemdStateDirectory = lib.mkOption {
type = lib.types.str;
# Use ReadWritePaths= instead if varDir is outside of /var/lib
default = assert lib.strings.hasPrefix "/var/lib/" cfg.dataDir;
lib.strings.removePrefix "/var/lib/" cfg.dataDir;
description = ''
Adjusted Mediagoblin data directory for systemd
'';
readOnly = true;
};
systemdRuntimeDirectory = lib.mkOption {
type = lib.types.str;
# Use ReadWritePaths= instead if socketsDir is outside of /run
default = assert lib.strings.hasPrefix "/run/" cfg.socketsDir;
lib.strings.removePrefix "/run/" cfg.socketsDir;
description = ''
Adjusted Mediagoblin sockets directory for systemd
'';
readOnly = true;
};
sockets = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
default = {
paster = "${cfg.socketsDir}/mediagoblin.sock";
};
readOnly = true;
description = ''
Mediagoblin sockets
'';
};
pids = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
default = {
paster = "${cfg.socketsDir}/mediagoblin.pid";
celery = "${cfg.socketsDir}/mediagoblin-celeryd.pid";
};
readOnly = true;
description = ''
Mediagoblin pid files
'';
};
};
config = lib.mkIf cfg.enable {
nixpkgs.overlays = [ self.overlay ];
users.users = lib.optionalAttrs (cfg.user == name) {
"${name}" = {
inherit uid;
group = cfg.group;
description = "Mediagoblin user";
home = cfg.dataDir;
useDefaultShell = true;
};
};
users.groups = lib.optionalAttrs (cfg.group == name) {
"${name}" = {
inherit gid;
};
};
systemd.slices.mediagoblin = {
description = "Mediagoblin slice";
};
systemd.services.mediagoblin-web = {
description = "Mediagoblin service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
wants = [ "postgresql.service" "redis.service" ];
environment.SCRIPT_NAME = "/mediagoblin/";
script = ''
exec ./bin/paster serve \
${paste_local} \
--pid-file=${cfg.pids.paster}
'';
preStop = ''
exec ./bin/paster serve \
--pid-file=${cfg.pids.paster} \
${paste_local} stop
'';
preStart = ''
if [ -d ${cfg.dataDir}/plugin_static/ ]; then
rm ${cfg.dataDir}/plugin_static/coreplugin_basic_auth
ln -sf ${cfg.package}/mediagoblin/plugins/basic_auth/static ${cfg.dataDir}/plugin_static/coreplugin_basic_auth
fi
./bin/gmg -cf ${cfg.configFile} dbupdate
'';
serviceConfig = {
Slice = "mediagoblin.slice";
User = cfg.user;
PrivateTmp = true;
Restart = "always";
TimeoutSec = 15;
Type = "simple";
WorkingDirectory = cfg.package;
RuntimeDirectory = cfg.systemdRuntimeDirectory;
StateDirectory= cfg.systemdStateDirectory;
PIDFile = cfg.pids.paster;
};
unitConfig.RequiresMountsFor = cfg.dataDir;
};
systemd.services.mediagoblin-celeryd = {
description = "Mediagoblin service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "mediagoblin-web.service" ];
environment.MEDIAGOBLIN_CONFIG = cfg.configFile;
environment.CELERY_CONFIG_MODULE = "mediagoblin.init.celery.from_celery";
script = ''
exec ./bin/celery worker \
--logfile=${cfg.dataDir}/celery.log \
--loglevel=INFO
'';
serviceConfig = {
Slice = "mediagoblin.slice";
User = cfg.user;
PrivateTmp = true;
Restart = "always";
TimeoutSec = 60;
Type = "simple";
WorkingDirectory = cfg.package;
RuntimeDirectory = cfg.systemdRuntimeDirectory;
StateDirectory= cfg.systemdStateDirectory;
PIDFile = cfg.pids.celery;
};
unitConfig.RequiresMountsFor = cfg.dataDir;
};
};
};
};
}
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