stockholm/makefu/3modules/etherpad.nix

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2020-07-02 06:41:32 +00:00
{ lib, pkgs, config, ... }:
let
name = "etherpad-lite";
cfg = config.services.etherpad-lite;
in
{
options.services.etherpad-lite = {
enable = lib.mkEnableOption "Enable Etherpad lites service";
user = lib.mkOption {
type = lib.types.str;
default = name;
description = "User account under which Etherpad lite runs";
};
group = lib.mkOption {
type = lib.types.str;
default = name;
description = "Group under which Etherpad lite runs";
};
dataDir = lib.mkOption {
type = lib.types.path;
default = "/var/lib/${name}";
description = ''
The directory where Etherpad lite stores its data.
'';
};
socketsDir = lib.mkOption {
type = lib.types.path;
default = "/run/${name}";
description = ''
The directory where Etherpad lite stores its sockets.
'';
};
configFile = lib.mkOption {
type = lib.types.path;
description = ''
The config file path for Etherpad lite.
'';
};
sessionKeyFile = lib.mkOption {
type = lib.types.path;
description = ''
The Session key file path for Etherpad lite.
'';
};
apiKeyFile = lib.mkOption {
type = lib.types.path;
description = ''
The API key file path for Etherpad lite.
'';
};
package = lib.mkOption {
type = lib.types.package;
default = pkgs.webapps.etherpad-lite;
description = ''
Etherpad lite package to use.
'';
};
modules = lib.mkOption {
type = lib.types.listOf lib.types.package;
default = [];
description = ''
Etherpad lite modules to use.
'';
};
# Output variables
workdir = lib.mkOption {
type = lib.types.package;
default = cfg.package.withModules cfg.modules;
description = ''
Adjusted Etherpad lite package with plugins
'';
readOnly = true;
};
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 Etherpad lite 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 Etherpad lite sockets directory for systemd
'';
readOnly = true;
};
sockets = lib.mkOption {
type = lib.types.attrsOf lib.types.path;
default = {
node = "${cfg.socketsDir}/etherpad-lite.sock";
};
readOnly = true;
description = ''
Etherpad lite sockets
'';
};
};
config = lib.mkIf cfg.enable {
systemd.services.etherpad-lite = {
description = "Etherpad-lite";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "postgresql.service" ];
wants = [ "postgresql.service" ];
environment.NODE_ENV = "production";
environment.HOME = cfg.workdir;
path = [ pkgs.nodejs ];
script = ''
exec ${pkgs.nodejs}/bin/node ${cfg.workdir}/src/node/server.js \
--sessionkey ${cfg.sessionKeyFile} \
--apikey ${cfg.apiKeyFile} \
--settings ${cfg.configFile}
'';
postStart = ''
while [ ! -S ${cfg.sockets.node} ]; do
sleep 0.5
done
chmod a+w ${cfg.sockets.node}
'';
serviceConfig = {
DynamicUser = true;
User = cfg.user;
Group = cfg.group;
WorkingDirectory = cfg.workdir;
PrivateTmp = true;
NoNewPrivileges = true;
PrivateDevices = true;
ProtectHome = true;
ProtectControlGroups = true;
ProtectKernelModules = true;
Restart = "always";
Type = "simple";
TimeoutSec = 60;
RuntimeDirectory = cfg.systemdRuntimeDirectory;
StateDirectory= cfg.systemdStateDirectory;
ExecStartPre = [
"+${pkgs.coreutils}/bin/install -d -m 0755 -o ${cfg.user} -g ${cfg.group} ${cfg.dataDir}/ep_initialized"
"+${pkgs.coreutils}/bin/chown -R ${cfg.user}:${cfg.group} ${cfg.dataDir} ${cfg.configFile} ${cfg.sessionKeyFile} ${cfg.apiKeyFile}"
];
};
};
};
}