nixpkgs-suyu/nixos/modules/services/web-apps/bookstack.nix
talyz df607c1d1f
nixos/bookstack: Make the hostname configurable...
...and set a reasonable default `appURL` based on it.

This is pretty much required when configuring ACME, and useful in
general.
2022-01-18 15:16:11 +01:00

378 lines
12 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.bookstack;
bookstack = pkgs.bookstack.override {
dataDir = cfg.dataDir;
};
db = cfg.database;
mail = cfg.mail;
user = cfg.user;
group = cfg.group;
# shell script for local administration
artisan = pkgs.writeScriptBin "bookstack" ''
#! ${pkgs.runtimeShell}
cd ${bookstack}
sudo=exec
if [[ "$USER" != ${user} ]]; then
sudo='exec /run/wrappers/bin/sudo -u ${user}'
fi
$sudo ${pkgs.php}/bin/php artisan $*
'';
tlsEnabled = cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME;
in {
imports = [
(mkRemovedOptionModule [ "services" "bookstack" "cacheDir" ] "The cache directory is now handled automatically.")
];
options.services.bookstack = {
enable = mkEnableOption "BookStack";
user = mkOption {
default = "bookstack";
description = "User bookstack runs as.";
type = types.str;
};
group = mkOption {
default = "bookstack";
description = "Group bookstack runs as.";
type = types.str;
};
appKeyFile = mkOption {
description = ''
A file containing the AppKey.
Used for encryption where needed. Can be generated with <code>head -c 32 /dev/urandom| base64</code> and must be prefixed with <literal>base64:</literal>.
'';
example = "/run/keys/bookstack-appkey";
type = types.path;
};
hostname = lib.mkOption {
type = lib.types.str;
default = if config.networking.domain != null then
config.networking.fqdn
else
config.networking.hostName;
defaultText = lib.literalExpression "config.networking.fqdn";
example = "bookstack.example.com";
description = ''
The hostname to serve BookStack on.
'';
};
appURL = mkOption {
description = ''
The root URL that you want to host BookStack on. All URLs in BookStack will be generated using this value.
If you change this in the future you may need to run a command to update stored URLs in the database. Command example: <code>php artisan bookstack:update-url https://old.example.com https://new.example.com</code>
'';
default = "http${lib.optionalString tlsEnabled "s"}://${cfg.hostname}";
defaultText = ''http''${lib.optionalString tlsEnabled "s"}://''${cfg.hostname}'';
example = "https://example.com";
type = types.str;
};
dataDir = mkOption {
description = "BookStack data directory";
default = "/var/lib/bookstack";
type = types.path;
};
database = {
host = mkOption {
type = types.str;
default = "localhost";
description = "Database host address.";
};
port = mkOption {
type = types.port;
default = 3306;
description = "Database host port.";
};
name = mkOption {
type = types.str;
default = "bookstack";
description = "Database name.";
};
user = mkOption {
type = types.str;
default = user;
defaultText = literalExpression "user";
description = "Database username.";
};
passwordFile = mkOption {
type = with types; nullOr path;
default = null;
example = "/run/keys/bookstack-dbpassword";
description = ''
A file containing the password corresponding to
<option>database.user</option>.
'';
};
createLocally = mkOption {
type = types.bool;
default = false;
description = "Create the database and database user locally.";
};
};
mail = {
driver = mkOption {
type = types.enum [ "smtp" "sendmail" ];
default = "smtp";
description = "Mail driver to use.";
};
host = mkOption {
type = types.str;
default = "localhost";
description = "Mail host address.";
};
port = mkOption {
type = types.port;
default = 1025;
description = "Mail host port.";
};
fromName = mkOption {
type = types.str;
default = "BookStack";
description = "Mail \"from\" name.";
};
from = mkOption {
type = types.str;
default = "mail@bookstackapp.com";
description = "Mail \"from\" email.";
};
user = mkOption {
type = with types; nullOr str;
default = null;
example = "bookstack";
description = "Mail username.";
};
passwordFile = mkOption {
type = with types; nullOr path;
default = null;
example = "/run/keys/bookstack-mailpassword";
description = ''
A file containing the password corresponding to
<option>mail.user</option>.
'';
};
encryption = mkOption {
type = with types; nullOr (enum [ "tls" ]);
default = null;
description = "SMTP encryption mechanism to use.";
};
};
maxUploadSize = mkOption {
type = types.str;
default = "18M";
example = "1G";
description = "The maximum size for uploads (e.g. images).";
};
poolConfig = mkOption {
type = with types; attrsOf (oneOf [ str int bool ]);
default = {
"pm" = "dynamic";
"pm.max_children" = 32;
"pm.start_servers" = 2;
"pm.min_spare_servers" = 2;
"pm.max_spare_servers" = 4;
"pm.max_requests" = 500;
};
description = ''
Options for the bookstack PHP pool. See the documentation on <literal>php-fpm.conf</literal>
for details on configuration directives.
'';
};
nginx = mkOption {
type = types.submodule (
recursiveUpdate
(import ../web-servers/nginx/vhost-options.nix { inherit config lib; }) {}
);
default = {};
example = literalExpression ''
{
serverAliases = [
"bookstack.''${config.networking.domain}"
];
# To enable encryption and let let's encrypt take care of certificate
forceSSL = true;
enableACME = true;
}
'';
description = ''
With this option, you can customize the nginx virtualHost settings.
'';
};
extraConfig = mkOption {
type = types.nullOr types.lines;
default = null;
example = ''
ALLOWED_IFRAME_HOSTS="https://example.com"
WKHTMLTOPDF=/home/user/bins/wkhtmltopdf
'';
description = ''
Lines to be appended verbatim to the BookStack configuration.
Refer to <link xlink:href="https://www.bookstackapp.com/docs/"/> for details on supported values.
'';
};
};
config = mkIf cfg.enable {
assertions = [
{ assertion = db.createLocally -> db.user == user;
message = "services.bookstack.database.user must be set to ${user} if services.bookstack.database.createLocally is set true.";
}
{ assertion = db.createLocally -> db.passwordFile == null;
message = "services.bookstack.database.passwordFile cannot be specified if services.bookstack.database.createLocally is set to true.";
}
];
environment.systemPackages = [ artisan ];
services.mysql = mkIf db.createLocally {
enable = true;
package = mkDefault pkgs.mariadb;
ensureDatabases = [ db.name ];
ensureUsers = [
{ name = db.user;
ensurePermissions = { "${db.name}.*" = "ALL PRIVILEGES"; };
}
];
};
services.phpfpm.pools.bookstack = {
inherit user;
inherit group;
phpOptions = ''
log_errors = on
post_max_size = ${cfg.maxUploadSize}
upload_max_filesize = ${cfg.maxUploadSize}
'';
settings = {
"listen.mode" = "0660";
"listen.owner" = user;
"listen.group" = group;
} // cfg.poolConfig;
};
services.nginx = {
enable = mkDefault true;
virtualHosts.${cfg.hostname} = mkMerge [ cfg.nginx {
root = mkForce "${bookstack}/public";
extraConfig = optionalString (cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME) "fastcgi_param HTTPS on;";
locations = {
"/" = {
index = "index.php";
extraConfig = ''try_files $uri $uri/ /index.php?$query_string;'';
};
"~ \.php$" = {
extraConfig = ''
try_files $uri $uri/ /index.php?$query_string;
include ${pkgs.nginx}/conf/fastcgi_params;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_param REDIRECT_STATUS 200;
fastcgi_pass unix:${config.services.phpfpm.pools."bookstack".socket};
${optionalString (cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME) "fastcgi_param HTTPS on;"}
'';
};
"~ \.(js|css|gif|png|ico|jpg|jpeg)$" = {
extraConfig = "expires 365d;";
};
};
}];
};
systemd.services.bookstack-setup = {
description = "Preperation tasks for BookStack";
before = [ "phpfpm-bookstack.service" ];
after = optional db.createLocally "mysql.service";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
User = user;
WorkingDirectory = "${bookstack}";
RuntimeDirectory = "bookstack/cache";
RuntimeDirectoryMode = 0700;
};
script = ''
# set permissions
umask 077
# create .env file
echo "
APP_KEY=base64:$(head -n1 ${cfg.appKeyFile})
APP_URL=${cfg.appURL}
DB_HOST=${db.host}
DB_PORT=${toString db.port}
DB_DATABASE=${db.name}
DB_USERNAME=${db.user}
MAIL_DRIVER=${mail.driver}
MAIL_FROM_NAME=\"${mail.fromName}\"
MAIL_FROM=${mail.from}
MAIL_HOST=${mail.host}
MAIL_PORT=${toString mail.port}
${optionalString (mail.user != null) "MAIL_USERNAME=${mail.user};"}
${optionalString (mail.encryption != null) "MAIL_ENCRYPTION=${mail.encryption};"}
${optionalString (db.passwordFile != null) "DB_PASSWORD=$(head -n1 ${db.passwordFile})"}
${optionalString (mail.passwordFile != null) "MAIL_PASSWORD=$(head -n1 ${mail.passwordFile})"}
APP_SERVICES_CACHE=/run/bookstack/cache/services.php
APP_PACKAGES_CACHE=/run/bookstack/cache/packages.php
APP_CONFIG_CACHE=/run/bookstack/cache/config.php
APP_ROUTES_CACHE=/run/bookstack/cache/routes-v7.php
APP_EVENTS_CACHE=/run/bookstack/cache/events.php
${optionalString (cfg.nginx.addSSL || cfg.nginx.forceSSL || cfg.nginx.onlySSL || cfg.nginx.enableACME) "SESSION_SECURE_COOKIE=true"}
${toString cfg.extraConfig}
" > "${cfg.dataDir}/.env"
# migrate db
${pkgs.php}/bin/php artisan migrate --force
'';
};
systemd.tmpfiles.rules = [
"d ${cfg.dataDir} 0710 ${user} ${group} - -"
"d ${cfg.dataDir}/public 0750 ${user} ${group} - -"
"d ${cfg.dataDir}/public/uploads 0750 ${user} ${group} - -"
"d ${cfg.dataDir}/storage 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/app 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/fonts 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/framework 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/framework/cache 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/framework/sessions 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/framework/views 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/logs 0700 ${user} ${group} - -"
"d ${cfg.dataDir}/storage/uploads 0700 ${user} ${group} - -"
];
users = {
users = mkIf (user == "bookstack") {
bookstack = {
inherit group;
isSystemUser = true;
};
"${config.services.nginx.user}".extraGroups = [ group ];
};
groups = mkIf (group == "bookstack") {
bookstack = {};
};
};
};
meta.maintainers = with maintainers; [ ymarkus ];
}