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nixpkgs/nixos/modules/services/web-servers/phpfpm/default.nix
2020-04-21 20:59:52 +02:00

285 lines
9.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.phpfpm;
runtimeDir = "/run/phpfpm";
toStr = value:
if true == value then "yes"
else if false == value then "no"
else toString value;
fpmCfgFile = pool: poolOpts: pkgs.writeText "phpfpm-${pool}.conf" ''
[global]
${concatStringsSep "\n" (mapAttrsToList (n: v: "${n} = ${toStr v}") cfg.settings)}
${optionalString (cfg.extraConfig != null) cfg.extraConfig}
[${pool}]
${concatStringsSep "\n" (mapAttrsToList (n: v: "${n} = ${toStr v}") poolOpts.settings)}
${concatStringsSep "\n" (mapAttrsToList (n: v: "env[${n}] = ${toStr v}") poolOpts.phpEnv)}
${optionalString (poolOpts.extraConfig != null) poolOpts.extraConfig}
'';
phpIni = poolOpts: pkgs.runCommand "php.ini" {
inherit (poolOpts) phpPackage phpOptions;
preferLocalBuild = true;
nixDefaults = ''
sendmail_path = "/run/wrappers/bin/sendmail -t -i"
'';
passAsFile = [ "nixDefaults" "phpOptions" ];
} ''
cat ${poolOpts.phpPackage}/etc/php.ini $nixDefaultsPath $phpOptionsPath > $out
'';
poolOpts = { name, ... }:
let
poolOpts = cfg.pools.${name};
in
{
options = {
socket = mkOption {
type = types.str;
readOnly = true;
description = ''
Path to the unix socket file on which to accept FastCGI requests.
<note><para>This option is read-only and managed by NixOS.</para></note>
'';
example = "${runtimeDir}/<name>.sock";
};
listen = mkOption {
type = types.str;
default = "";
example = "/path/to/unix/socket";
description = ''
The address on which to accept FastCGI requests.
'';
};
phpPackage = mkOption {
type = types.package;
default = cfg.phpPackage;
defaultText = "config.services.phpfpm.phpPackage";
description = ''
The PHP package to use for running this PHP-FPM pool.
'';
};
phpOptions = mkOption {
type = types.lines;
description = ''
"Options appended to the PHP configuration file <filename>php.ini</filename> used for this PHP-FPM pool."
'';
};
phpEnv = lib.mkOption {
type = with types; attrsOf str;
default = {};
description = ''
Environment variables used for this PHP-FPM pool.
'';
example = literalExample ''
{
HOSTNAME = "$HOSTNAME";
TMP = "/tmp";
TMPDIR = "/tmp";
TEMP = "/tmp";
}
'';
};
user = mkOption {
type = types.str;
description = "User account under which this pool runs.";
};
group = mkOption {
type = types.str;
description = "Group account under which this pool runs.";
};
settings = mkOption {
type = with types; attrsOf (oneOf [ str int bool ]);
default = {};
description = ''
PHP-FPM pool directives. Refer to the "List of pool directives" section of
<link xlink:href="https://www.php.net/manual/en/install.fpm.configuration.php"/>
for details. Note that settings names must be enclosed in quotes (e.g.
<literal>"pm.max_children"</literal> instead of <literal>pm.max_children</literal>).
'';
example = literalExample ''
{
"pm" = "dynamic";
"pm.max_children" = 75;
"pm.start_servers" = 10;
"pm.min_spare_servers" = 5;
"pm.max_spare_servers" = 20;
"pm.max_requests" = 500;
}
'';
};
extraConfig = mkOption {
type = with types; nullOr lines;
default = null;
description = ''
Extra lines that go into the pool configuration.
See the documentation on <literal>php-fpm.conf</literal> for
details on configuration directives.
'';
};
};
config = {
socket = if poolOpts.listen == "" then "${runtimeDir}/${name}.sock" else poolOpts.listen;
group = mkDefault poolOpts.user;
phpOptions = mkBefore cfg.phpOptions;
settings = mapAttrs (name: mkDefault){
listen = poolOpts.socket;
user = poolOpts.user;
group = poolOpts.group;
};
};
};
in {
imports = [
(mkRemovedOptionModule [ "services" "phpfpm" "poolConfigs" ] "Use services.phpfpm.pools instead.")
(mkRemovedOptionModule [ "services" "phpfpm" "phpIni" ] "")
];
options = {
services.phpfpm = {
settings = mkOption {
type = with types; attrsOf (oneOf [ str int bool ]);
default = {};
description = ''
PHP-FPM global directives. Refer to the "List of global php-fpm.conf directives" section of
<link xlink:href="https://www.php.net/manual/en/install.fpm.configuration.php"/>
for details. Note that settings names must be enclosed in quotes (e.g.
<literal>"pm.max_children"</literal> instead of <literal>pm.max_children</literal>).
You need not specify the options <literal>error_log</literal> or
<literal>daemonize</literal> here, since they are generated by NixOS.
'';
};
extraConfig = mkOption {
type = with types; nullOr lines;
default = null;
description = ''
Extra configuration that should be put in the global section of
the PHP-FPM configuration file. Do not specify the options
<literal>error_log</literal> or
<literal>daemonize</literal> here, since they are generated by
NixOS.
'';
};
phpPackage = mkOption {
type = types.package;
default = pkgs.php;
defaultText = "pkgs.php";
description = ''
The PHP package to use for running the PHP-FPM service.
'';
};
phpOptions = mkOption {
type = types.lines;
default = "";
example =
''
date.timezone = "CET"
'';
description = ''
Options appended to the PHP configuration file <filename>php.ini</filename>.
'';
};
pools = mkOption {
type = types.attrsOf (types.submodule poolOpts);
default = {};
example = literalExample ''
{
mypool = {
user = "php";
group = "php";
phpPackage = pkgs.php;
settings = {
"pm" = "dynamic";
"pm.max_children" = 75;
"pm.start_servers" = 10;
"pm.min_spare_servers" = 5;
"pm.max_spare_servers" = 20;
"pm.max_requests" = 500;
};
}
}'';
description = ''
PHP-FPM pools. If no pools are defined, the PHP-FPM
service is disabled.
'';
};
};
};
config = mkIf (cfg.pools != {}) {
warnings =
mapAttrsToList (pool: poolOpts: ''
Using config.services.phpfpm.pools.${pool}.listen is deprecated and will become unsupported in a future release. Please reference the read-only option config.services.phpfpm.pools.${pool}.socket to access the path of your socket.
'') (filterAttrs (pool: poolOpts: poolOpts.listen != "") cfg.pools) ++
mapAttrsToList (pool: poolOpts: ''
Using config.services.phpfpm.pools.${pool}.extraConfig is deprecated and will become unsupported in a future release. Please migrate your configuration to config.services.phpfpm.pools.${pool}.settings.
'') (filterAttrs (pool: poolOpts: poolOpts.extraConfig != null) cfg.pools) ++
optional (cfg.extraConfig != null) ''
Using config.services.phpfpm.extraConfig is deprecated and will become unsupported in a future release. Please migrate your configuration to config.services.phpfpm.settings.
''
;
services.phpfpm.settings = {
error_log = "syslog";
daemonize = false;
};
systemd.slices.phpfpm = {
description = "PHP FastCGI Process manager pools slice";
};
systemd.targets.phpfpm = {
description = "PHP FastCGI Process manager pools target";
wantedBy = [ "multi-user.target" ];
};
systemd.services = mapAttrs' (pool: poolOpts:
nameValuePair "phpfpm-${pool}" {
description = "PHP FastCGI Process Manager service for pool ${pool}";
after = [ "network.target" ];
wantedBy = [ "phpfpm.target" ];
partOf = [ "phpfpm.target" ];
serviceConfig = let
cfgFile = fpmCfgFile pool poolOpts;
iniFile = phpIni poolOpts;
in {
Slice = "phpfpm.slice";
PrivateDevices = true;
PrivateTmp = true;
ProtectSystem = "full";
ProtectHome = true;
# XXX: We need AF_NETLINK to make the sendmail SUID binary from postfix work
RestrictAddressFamilies = "AF_UNIX AF_INET AF_INET6 AF_NETLINK";
Type = "notify";
ExecStart = "${poolOpts.phpPackage}/bin/php-fpm -y ${cfgFile} -c ${iniFile}";
ExecReload = "${pkgs.coreutils}/bin/kill -USR2 $MAINPID";
RuntimeDirectory = "phpfpm";
RuntimeDirectoryPreserve = true; # Relevant when multiple processes are running
};
}
) cfg.pools;
};
}