os/modules/invoiceplane/default.nix

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{
config,
pkgs,
lib,
...
}:
let
inherit (lib)
any
attrValues
boolToString
concatMapStringsSep
concatStrings
concatStringsSep
escapeShellArg
flatten
isBool
isInt
isList
isString
literalExpression
mapAttrs'
mapAttrsToList
mkDefault
mkEnableOption
mkIf
mkMerge
mkOption
nameValuePair
optionalString
types
;
cfg = config.services.invoiceplane;
eachSite = cfg.sites;
user = "invoiceplane";
webserver = config.services.${cfg.webserver};
invoiceplane-config =
hostName: cfg:
pkgs.writeText "ipconfig.php" ''
IP_URL=http://${hostName}
ENABLE_DEBUG=false
DISABLE_SETUP=false
REMOVE_INDEXPHP=false
DB_HOSTNAME=${cfg.database.host}
DB_USERNAME=${cfg.database.user}
# NOTE: file_get_contents adds newline at the end of returned string
DB_PASSWORD=${
optionalString (
cfg.database.passwordFile != null
) "trim(file_get_contents('${cfg.database.passwordFile}'), \"\\r\\n\")"
}
DB_DATABASE=${cfg.database.name}
DB_PORT=${toString cfg.database.port}
SESS_EXPIRATION=864000
ENABLE_INVOICE_DELETION=false
DISABLE_READ_ONLY=false
ENCRYPTION_KEY=
ENCRYPTION_CIPHER=AES-256
SETUP_COMPLETED=false
REMOVE_INDEXPHP=true
'';
mkPhpValue =
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v:
if isString v then
escapeShellArg v
# NOTE: If any value contains a , (comma) this will not get escaped
else if isList v && any lib.strings.isCoercibleToString v then
escapeShellArg (concatMapStringsSep "," toString v)
else if isInt v then
toString v
else if isBool v then
boolToString v
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else
abort "The Invoiceplane config value ${lib.generators.toPretty { } v} can not be encoded.";
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extraConfig =
hostName: cfg:
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let
settings = mapAttrsToList (k: v: "${k}=${mkPhpValue v}") cfg.settings;
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in
pkgs.writeText "extraConfig.php" (concatStringsSep "\n" settings);
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pkg =
hostName: cfg:
pkgs.stdenv.mkDerivation rec {
pname = "invoiceplane-${hostName}";
version = src.version;
src = pkgs.invoiceplane;
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postPatch = ''
# Patch index.php file to load additional config file
substituteInPlace index.php \
--replace-fail "require('vendor/autoload.php');" "require('vendor/autoload.php'); \$dotenv = Dotenv\Dotenv::createImmutable(__DIR__, 'extraConfig.php'); \$dotenv->load();";
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'';
installPhase = ''
mkdir -p $out
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cp -r * $out/
# symlink uploads and log directories
rm -r $out/uploads $out/application/logs $out/vendor/mpdf/mpdf/tmp
ln -sf ${cfg.stateDir}/uploads $out/
ln -sf ${cfg.stateDir}/logs $out/application/
ln -sf ${cfg.stateDir}/tmp $out/vendor/mpdf/mpdf/
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# symlink the InvoicePlane config
ln -s ${cfg.stateDir}/ipconfig.php $out/ipconfig.php
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# symlink the extraConfig file
ln -s ${extraConfig hostName cfg} $out/extraConfig.php
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# symlink additional templates
${concatMapStringsSep "\n" (
template: "cp -r ${template}/. $out/application/views/invoice_templates/pdf/"
) cfg.invoiceTemplates}
'';
};
siteOpts =
{ name, ... }:
{
options = {
enable = mkEnableOption "InvoicePlane web application";
stateDir = mkOption {
type = types.path;
default = "/var/lib/invoiceplane/${name}";
description = ''
This directory is used for uploads of attachments and cache.
The directory passed here is automatically created and permissions
adjusted as required.
'';
};
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 = "invoiceplane";
description = "Database name.";
};
user = mkOption {
type = types.str;
default = "invoiceplane";
description = "Database user.";
};
passwordFile = mkOption {
type = types.nullOr types.path;
default = null;
example = "/run/keys/invoiceplane-dbpassword";
description = ''
A file containing the password corresponding to
{option}`database.user`.
'';
};
createLocally = mkOption {
type = types.bool;
default = true;
description = "Create the database and database user locally.";
};
};
invoiceTemplates = mkOption {
type = types.listOf types.path;
default = [ ];
description = ''
List of path(s) to respective template(s) which are copied from the 'invoice_templates/pdf' directory.
::: {.note}
These templates need to be packaged before use, see example.
:::
'';
example = literalExpression ''
let
# Let's package an example template
template-vtdirektmarketing = pkgs.stdenv.mkDerivation {
name = "vtdirektmarketing";
# Download the template from a public repository
src = pkgs.fetchgit {
url = "https://git.project-insanity.org/onny/invoiceplane-vtdirektmarketing.git";
sha256 = "1hh0q7wzsh8v8x03i82p6qrgbxr4v5fb05xylyrpp975l8axyg2z";
};
sourceRoot = ".";
# Installing simply means copying template php file to the output directory
installPhase = ""
mkdir -p $out
cp invoiceplane-vtdirektmarketing/vtdirektmarketing.php $out/
"";
};
# And then pass this package to the template list like this:
in [ template-vtdirektmarketing ]
'';
};
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 InvoicePlane PHP pool. See the documentation on `php-fpm.conf`
for details on configuration directives.
'';
};
settings = mkOption {
type = types.attrsOf types.anything;
default = { };
description = ''
Structural InvoicePlane configuration. Refer to
<https://github.com/InvoicePlane/InvoicePlane/blob/master/ipconfig.php.example>
for details and supported values.
'';
example = literalExpression ''
{
SETUP_COMPLETED = true;
DISABLE_SETUP = true;
IP_URL = "https://invoice.example.com";
}
'';
};
cron = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enable cron service which periodically runs Invoiceplane tasks.
Requires key taken from the administration page. Refer to
<https://wiki.invoiceplane.com/en/1.0/modules/recurring-invoices>
on how to configure it.
'';
};
key = mkOption {
type = types.str;
description = "Cron key taken from the administration page.";
};
};
};
};
in
{
disabledModules = [ "services/web-apps/invoiceplane.nix" ];
# interface
options = {
services.invoiceplane = mkOption {
type = types.submodule {
options.sites = mkOption {
type = types.attrsOf (types.submodule siteOpts);
default = { };
description = "Specification of one or more WordPress sites to serve";
};
options.webserver = mkOption {
type = types.enum [
"caddy"
"nginx"
];
default = "caddy";
example = "nginx";
description = ''
Which webserver to use for virtual host management.
'';
};
};
default = { };
description = "InvoicePlane configuration.";
};
};
# implementation
config = mkIf (eachSite != { }) (mkMerge [
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{
assertions = flatten (
mapAttrsToList (hostName: cfg: [
{
assertion = cfg.database.createLocally -> cfg.database.user == user;
message = ''services.invoiceplane.sites."${hostName}".database.user must be ${user} if the database is to be automatically provisioned'';
}
{
assertion = cfg.database.createLocally -> cfg.database.passwordFile == null;
message = ''services.invoiceplane.sites."${hostName}".database.passwordFile cannot be specified if services.invoiceplane.sites."${hostName}".database.createLocally is set to true.'';
}
{
assertion = cfg.cron.enable -> cfg.cron.key != null;
message = ''services.invoiceplane.sites."${hostName}".cron.key must be set in order to use cron service.'';
}
]) eachSite
);
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services.mysql = mkIf (any (v: v.database.createLocally) (attrValues eachSite)) {
enable = true;
package = mkDefault pkgs.mariadb;
ensureDatabases = mapAttrsToList (hostName: cfg: cfg.database.name) eachSite;
ensureUsers = mapAttrsToList (hostName: cfg: {
name = cfg.database.user;
ensurePermissions = {
"${cfg.database.name}.*" = "ALL PRIVILEGES";
};
}) eachSite;
};
services.phpfpm = {
phpPackage = pkgs.php81;
pools = mapAttrs' (
hostName: cfg:
(nameValuePair "invoiceplane-${hostName}" {
inherit user;
group = webserver.group;
settings = {
"listen.owner" = webserver.user;
"listen.group" = webserver.group;
} // cfg.poolConfig;
})
) eachSite;
};
}
{
systemd.tmpfiles.rules = flatten (
mapAttrsToList (hostName: cfg: [
"d ${cfg.stateDir} 0750 ${user} ${webserver.group} - -"
"f ${cfg.stateDir}/ipconfig.php 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/logs 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/uploads 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/uploads/archive 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/uploads/customer_files 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/uploads/temp 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/uploads/temp/mpdf 0750 ${user} ${webserver.group} - -"
"d ${cfg.stateDir}/tmp 0750 ${user} ${webserver.group} - -"
]) eachSite
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);
systemd.services.invoiceplane-config = {
serviceConfig.Type = "oneshot";
script = concatStrings (
mapAttrsToList (hostName: cfg: ''
mkdir -p ${cfg.stateDir}/logs \
${cfg.stateDir}/uploads
if ! grep -q IP_URL "${cfg.stateDir}/ipconfig.php"; then
cp "${invoiceplane-config hostName cfg}" "${cfg.stateDir}/ipconfig.php"
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fi
'') eachSite
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);
wantedBy = [ "multi-user.target" ];
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};
users.users.${user} = {
group = webserver.group;
isSystemUser = true;
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};
}
{
# Cron service implementation
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systemd.timers = mapAttrs' (
hostName: cfg:
(nameValuePair "invoiceplane-cron-${hostName}" (
mkIf cfg.cron.enable {
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = "5m";
OnUnitActiveSec = "5m";
Unit = "invoiceplane-cron-${hostName}.service";
};
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}
))
) eachSite;
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systemd.services = mapAttrs' (
hostName: cfg:
(nameValuePair "invoiceplane-cron-${hostName}" (
mkIf cfg.cron.enable {
serviceConfig = {
Type = "oneshot";
User = user;
ExecStart = "${pkgs.curl}/bin/curl --header 'Host: ${hostName}' http://localhost/invoices/cron/recur/${cfg.cron.key}";
};
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}
))
) eachSite;
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}
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(mkIf (cfg.webserver == "caddy") {
services.caddy = {
enable = true;
virtualHosts = mapAttrs' (
hostName: cfg:
(nameValuePair "http://${hostName}" {
extraConfig = ''
root * ${pkg hostName cfg}
file_server
php_fastcgi unix/${config.services.phpfpm.pools."invoiceplane-${hostName}".socket}
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'';
})
) eachSite;
};
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})
(mkIf (cfg.webserver == "nginx") {
services.nginx = {
enable = true;
virtualHosts = mapAttrs' (
hostName: cfg:
(nameValuePair hostName {
root = pkg hostName cfg;
extraConfig = ''
index index.php index.html index.htm;
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if (!-e $request_filename){
rewrite ^(.*)$ /index.php break;
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}
'';
locations = {
"/setup".extraConfig =
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let
scheme = if config.services.nginx.virtualHosts.${hostName}.forceSSL then "https" else "http";
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in
''
rewrite ^(.*)$ ${scheme}://${hostName}/ redirect;
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'';
"~ .php$" = {
extraConfig = ''
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
fastcgi_pass unix:${config.services.phpfpm.pools."invoiceplane-${hostName}".socket};
include ${config.services.nginx.package}/conf/fastcgi_params;
include ${config.services.nginx.package}/conf/fastcgi.conf;
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'';
};
};
})
) eachSite;
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};
})
]);
}