nixpkgs/nixos/modules/services/web-apps/pixelfed.nix
Sam W 6ad72aa37e
nixos/pixelfed: fix broken try_files
Add missing $ to try files directive. This fixes pixelfed federation and search, amongst presumably many other things!
2023-05-31 15:19:23 +08:00

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.pixelfed;
user = cfg.user;
group = cfg.group;
pixelfed = cfg.package.override { inherit (cfg) dataDir runtimeDir; };
# https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L185-L190
extraPrograms = with pkgs; [ jpegoptim optipng pngquant gifsicle ffmpeg ];
# Ensure PHP extensions: https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L135-L147
phpPackage = cfg.phpPackage.buildEnv {
extensions = { enabled, all }:
enabled
++ (with all; [ bcmath ctype curl mbstring gd intl zip redis imagick ]);
};
configFile =
pkgs.writeText "pixelfed-env" (lib.generators.toKeyValue { } cfg.settings);
# Management script
pixelfed-manage = pkgs.writeShellScriptBin "pixelfed-manage" ''
cd ${pixelfed}
sudo=exec
if [[ "$USER" != ${user} ]]; then
sudo='exec /run/wrappers/bin/sudo -u ${user}'
fi
$sudo ${cfg.phpPackage}/bin/php artisan "$@"
'';
dbSocket = {
"pgsql" = "/run/postgresql";
"mysql" = "/run/mysqld/mysqld.sock";
}.${cfg.database.type};
dbService = {
"pgsql" = "postgresql.service";
"mysql" = "mysql.service";
}.${cfg.database.type};
redisService = "redis-pixelfed.service";
in {
options.services = {
pixelfed = {
enable = mkEnableOption (lib.mdDoc "a Pixelfed instance");
package = mkPackageOptionMD pkgs "pixelfed" { };
phpPackage = mkPackageOptionMD pkgs "php81" { };
user = mkOption {
type = types.str;
default = "pixelfed";
description = lib.mdDoc ''
User account under which pixelfed runs.
::: {.note}
If left as the default value this user will automatically be created
on system activation, otherwise you are responsible for
ensuring the user exists before the pixelfed application starts.
:::
'';
};
group = mkOption {
type = types.str;
default = "pixelfed";
description = lib.mdDoc ''
Group account under which pixelfed runs.
::: {.note}
If left as the default value this group will automatically be created
on system activation, otherwise you are responsible for
ensuring the group exists before the pixelfed application starts.
:::
'';
};
domain = mkOption {
type = types.str;
description = lib.mdDoc ''
FQDN for the Pixelfed instance.
'';
};
secretFile = mkOption {
type = types.path;
description = lib.mdDoc ''
A secret file to be sourced for the .env settings.
Place `APP_KEY` and other settings that should not end up in the Nix store here.
'';
};
settings = mkOption {
type = with types; (attrsOf (oneOf [ bool int str ]));
description = lib.mdDoc ''
.env settings for Pixelfed.
Secrets should use `secretFile` option instead.
'';
};
nginx = mkOption {
type = types.nullOr (types.submodule
(import ../web-servers/nginx/vhost-options.nix {
inherit config lib;
}));
default = null;
example = lib.literalExpression ''
{
serverAliases = [
"pics.''${config.networking.domain}"
];
enableACME = true;
forceHttps = true;
}
'';
description = lib.mdDoc ''
With this option, you can customize an nginx virtual host which already has sensible defaults for Dolibarr.
Set to {} if you do not need any customization to the virtual host.
If enabled, then by default, the {option}`serverName` is
`''${domain}`,
If this is set to null (the default), no nginx virtualHost will be configured.
'';
};
redis.createLocally = mkEnableOption
(lib.mdDoc "a local Redis database using UNIX socket authentication")
// {
default = true;
};
database = {
createLocally = mkEnableOption
(lib.mdDoc "a local database using UNIX socket authentication") // {
default = true;
};
automaticMigrations = mkEnableOption
(lib.mdDoc "automatic migrations for database schema and data") // {
default = true;
};
type = mkOption {
type = types.enum [ "mysql" "pgsql" ];
example = "pgsql";
default = "mysql";
description = lib.mdDoc ''
Database engine to use.
Note that PGSQL is not well supported: https://github.com/pixelfed/pixelfed/issues/2727
'';
};
name = mkOption {
type = types.str;
default = "pixelfed";
description = lib.mdDoc "Database name.";
};
};
maxUploadSize = mkOption {
type = types.str;
default = "8M";
description = lib.mdDoc ''
Max upload size with units.
'';
};
poolConfig = mkOption {
type = with types; attrsOf (oneOf [ int str bool ]);
default = { };
description = lib.mdDoc ''
Options for Pixelfed's PHP-FPM pool.
'';
};
dataDir = mkOption {
type = types.str;
default = "/var/lib/pixelfed";
description = lib.mdDoc ''
State directory of the `pixelfed` user which holds
the application's state and data.
'';
};
runtimeDir = mkOption {
type = types.str;
default = "/run/pixelfed";
description = lib.mdDoc ''
Ruutime directory of the `pixelfed` user which holds
the application's caches and temporary files.
'';
};
schedulerInterval = mkOption {
type = types.str;
default = "1d";
description = lib.mdDoc "How often the Pixelfed cron task should run";
};
};
};
config = mkIf cfg.enable {
users.users.pixelfed = mkIf (cfg.user == "pixelfed") {
isSystemUser = true;
group = cfg.group;
extraGroups = lib.optional cfg.redis.createLocally "redis-pixelfed";
};
users.groups.pixelfed = mkIf (cfg.group == "pixelfed") { };
services.redis.servers.pixelfed.enable = lib.mkIf cfg.redis.createLocally true;
services.pixelfed.settings = mkMerge [
({
APP_ENV = mkDefault "production";
APP_DEBUG = mkDefault false;
# https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L312-L316
APP_URL = mkDefault "https://${cfg.domain}";
ADMIN_DOMAIN = mkDefault cfg.domain;
APP_DOMAIN = mkDefault cfg.domain;
SESSION_DOMAIN = mkDefault cfg.domain;
SESSION_SECURE_COOKIE = mkDefault true;
OPEN_REGISTRATION = mkDefault false;
# ActivityPub: https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L360-L364
ACTIVITY_PUB = mkDefault true;
AP_REMOTE_FOLLOW = mkDefault true;
AP_INBOX = mkDefault true;
AP_OUTBOX = mkDefault true;
AP_SHAREDINBOX = mkDefault true;
# Image optimization: https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L367-L404
PF_OPTIMIZE_IMAGES = mkDefault true;
IMAGE_DRIVER = mkDefault "imagick";
# Mobile APIs
OAUTH_ENABLED = mkDefault true;
# https://github.com/pixelfed/pixelfed/blob/dev/app/Console/Commands/Installer.php#L351
EXP_EMC = mkDefault true;
# Defer to systemd
LOG_CHANNEL = mkDefault "stderr";
# TODO: find out the correct syntax?
# TRUST_PROXIES = mkDefault "127.0.0.1/8, ::1/128";
})
(mkIf (cfg.redis.createLocally) {
BROADCAST_DRIVER = mkDefault "redis";
CACHE_DRIVER = mkDefault "redis";
QUEUE_DRIVER = mkDefault "redis";
SESSION_DRIVER = mkDefault "redis";
WEBSOCKET_REPLICATION_MODE = mkDefault "redis";
# Support phpredis and predis configuration-style.
REDIS_SCHEME = "unix";
REDIS_HOST = config.services.redis.servers.pixelfed.unixSocket;
REDIS_PATH = config.services.redis.servers.pixelfed.unixSocket;
})
(mkIf (cfg.database.createLocally) {
DB_CONNECTION = cfg.database.type;
DB_SOCKET = dbSocket;
DB_DATABASE = cfg.database.name;
DB_USERNAME = user;
# No TCP/IP connection.
DB_PORT = 0;
})
];
environment.systemPackages = [ pixelfed-manage ];
services.mysql =
mkIf (cfg.database.createLocally && cfg.database.type == "mysql") {
enable = mkDefault true;
package = mkDefault pkgs.mariadb;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [{
name = user;
ensurePermissions = { "${cfg.database.name}.*" = "ALL PRIVILEGES"; };
}];
};
services.postgresql =
mkIf (cfg.database.createLocally && cfg.database.type == "pgsql") {
enable = mkDefault true;
ensureDatabases = [ cfg.database.name ];
ensureUsers = [{
name = user;
ensurePermissions = { };
}];
};
# Make each individual option overridable with lib.mkDefault.
services.pixelfed.poolConfig = lib.mapAttrs' (n: v: lib.nameValuePair n (lib.mkDefault v)) {
"pm" = "dynamic";
"php_admin_value[error_log]" = "stderr";
"php_admin_flag[log_errors]" = true;
"catch_workers_output" = true;
"pm.max_children" = "32";
"pm.start_servers" = "2";
"pm.min_spare_servers" = "2";
"pm.max_spare_servers" = "4";
"pm.max_requests" = "500";
};
services.phpfpm.pools.pixelfed = {
inherit user group;
inherit phpPackage;
phpOptions = ''
post_max_size = ${toString cfg.maxUploadSize}
upload_max_filesize = ${toString cfg.maxUploadSize}
max_execution_time = 600;
'';
settings = {
"listen.owner" = user;
"listen.group" = group;
"listen.mode" = "0660";
"catch_workers_output" = "yes";
} // cfg.poolConfig;
};
systemd.services.phpfpm-pixelfed.after = [ "pixelfed-data-setup.service" ];
systemd.services.phpfpm-pixelfed.requires =
[ "pixelfed-horizon.service" "pixelfed-data-setup.service" ]
++ lib.optional cfg.database.createLocally dbService
++ lib.optional cfg.redis.createLocally redisService;
# Ensure image optimizations programs are available.
systemd.services.phpfpm-pixelfed.path = extraPrograms;
systemd.services.pixelfed-horizon = {
description = "Pixelfed task queueing via Laravel Horizon framework";
after = [ "network.target" "pixelfed-data-setup.service" ];
requires = [ "pixelfed-data-setup.service" ]
++ (lib.optional cfg.database.createLocally dbService)
++ (lib.optional cfg.redis.createLocally redisService);
wantedBy = [ "multi-user.target" ];
# Ensure image optimizations programs are available.
path = extraPrograms;
serviceConfig = {
Type = "simple";
ExecStart = "${pixelfed-manage}/bin/pixelfed-manage horizon";
StateDirectory =
lib.mkIf (cfg.dataDir == "/var/lib/pixelfed") "pixelfed";
User = user;
Group = group;
Restart = "on-failure";
};
};
systemd.timers.pixelfed-cron = {
description = "Pixelfed periodic tasks timer";
after = [ "pixelfed-data-setup.service" ];
requires = [ "phpfpm-pixelfed.service" ];
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = cfg.schedulerInterval;
OnUnitActiveSec = cfg.schedulerInterval;
};
};
systemd.services.pixelfed-cron = {
description = "Pixelfed periodic tasks";
# Ensure image optimizations programs are available.
path = extraPrograms;
serviceConfig = {
ExecStart = "${pixelfed-manage}/bin/pixelfed-manage schedule:run";
User = user;
Group = group;
StateDirectory = cfg.dataDir;
};
};
systemd.services.pixelfed-data-setup = {
description =
"Pixelfed setup: migrations, environment file update, cache reload, data changes";
wantedBy = [ "multi-user.target" ];
after = lib.optional cfg.database.createLocally dbService;
requires = lib.optional cfg.database.createLocally dbService;
path = with pkgs; [ bash pixelfed-manage rsync ] ++ extraPrograms;
serviceConfig = {
Type = "oneshot";
User = user;
Group = group;
StateDirectory =
lib.mkIf (cfg.dataDir == "/var/lib/pixelfed") "pixelfed";
LoadCredential = "env-secrets:${cfg.secretFile}";
UMask = "077";
};
script = ''
# Concatenate non-secret .env and secret .env
rm -f ${cfg.dataDir}/.env
cp --no-preserve=all ${configFile} ${cfg.dataDir}/.env
echo -e '\n' >> ${cfg.dataDir}/.env
cat "$CREDENTIALS_DIRECTORY/env-secrets" >> ${cfg.dataDir}/.env
# Link the static storage (package provided) to the runtime storage
# Necessary for cities.json and static images.
mkdir -p ${cfg.dataDir}/storage
rsync -av --no-perms ${pixelfed}/storage-static/ ${cfg.dataDir}/storage
chmod -R +w ${cfg.dataDir}/storage
# Link the app.php in the runtime folder.
# We cannot link the cache folder only because bootstrap folder needs to be writeable.
ln -sf ${pixelfed}/bootstrap-static/app.php ${cfg.runtimeDir}/app.php
# https://laravel.com/docs/10.x/filesystem#the-public-disk
# Creating the public/storage storage/app/public link
# is unnecessary as it's part of the installPhase of pixelfed.
# Install Horizon
# FIXME: require write access to public/  should be done as part of install pixelfed-manage horizon:publish
# Before running any PHP program, cleanup the bootstrap.
# It's necessary if you upgrade the application otherwise you might
# try to import non-existent modules.
rm -rf ${cfg.runtimeDir}/bootstrap/*
# Perform the first migration.
[[ ! -f ${cfg.dataDir}/.initial-migration ]] && pixelfed-manage migrate --force && touch ${cfg.dataDir}/.initial-migration
${lib.optionalString cfg.database.automaticMigrations ''
# Force migrate the database.
pixelfed-manage migrate --force
''}
# Import location data
pixelfed-manage import:cities
${lib.optionalString cfg.settings.ACTIVITY_PUB ''
# ActivityPub federation bookkeeping
[[ ! -f ${cfg.dataDir}/.instance-actor-created ]] && pixelfed-manage instance:actor && touch ${cfg.dataDir}/.instance-actor-created
''}
${lib.optionalString cfg.settings.OAUTH_ENABLED ''
# Generate Passport encryption keys
[[ ! -f ${cfg.dataDir}/.passport-keys-generated ]] && pixelfed-manage passport:keys && touch ${cfg.dataDir}/.passport-keys-generated
''}
pixelfed-manage route:cache
pixelfed-manage view:cache
pixelfed-manage config:cache
'';
};
systemd.tmpfiles.rules = [
# Cache must live across multiple systemd units runtimes.
"d ${cfg.runtimeDir}/ 0700 ${user} ${group} - -"
"d ${cfg.runtimeDir}/cache 0700 ${user} ${group} - -"
];
# Enable NGINX to access our phpfpm-socket.
users.users."${config.services.nginx.group}".extraGroups = [ cfg.group ];
services.nginx = mkIf (cfg.nginx != null) {
enable = true;
virtualHosts."${cfg.domain}" = mkMerge [
cfg.nginx
{
root = lib.mkForce "${pixelfed}/public/";
locations."/".tryFiles = "$uri $uri/ /index.php?$query_string";
locations."/favicon.ico".extraConfig = ''
access_log off; log_not_found off;
'';
locations."/robots.txt".extraConfig = ''
access_log off; log_not_found off;
'';
locations."~ \\.php$".extraConfig = ''
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass unix:${config.services.phpfpm.pools.pixelfed.socket};
fastcgi_index index.php;
'';
locations."~ /\\.(?!well-known).*".extraConfig = ''
deny all;
'';
extraConfig = ''
add_header X-Frame-Options "SAMEORIGIN";
add_header X-XSS-Protection "1; mode=block";
add_header X-Content-Type-Options "nosniff";
index index.html index.htm index.php;
error_page 404 /index.php;
client_max_body_size ${toString cfg.maxUploadSize};
'';
}
];
};
};
}