149 lines
3.1 KiB
Nix
149 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.services.riak;
|
|
|
|
in
|
|
|
|
{
|
|
|
|
###### interface
|
|
|
|
options = {
|
|
|
|
services.riak = {
|
|
|
|
enable = mkEnableOption "riak";
|
|
|
|
package = mkOption {
|
|
type = types.package;
|
|
example = literalExample "pkgs.riak";
|
|
description = ''
|
|
Riak package to use.
|
|
'';
|
|
};
|
|
|
|
nodeName = mkOption {
|
|
type = types.string;
|
|
default = "riak@127.0.0.1";
|
|
description = ''
|
|
Name of the Erlang node.
|
|
'';
|
|
};
|
|
|
|
distributedCookie = mkOption {
|
|
type = types.string;
|
|
default = "riak";
|
|
description = ''
|
|
Cookie for distributed node communication. All nodes in the
|
|
same cluster should use the same cookie or they will not be able to
|
|
communicate.
|
|
'';
|
|
};
|
|
|
|
dataDir = mkOption {
|
|
type = types.path;
|
|
default = "/var/db/riak";
|
|
description = ''
|
|
Data directory for Riak.
|
|
'';
|
|
};
|
|
|
|
logDir = mkOption {
|
|
type = types.path;
|
|
default = "/var/log/riak";
|
|
description = ''
|
|
Log directory for Riak.
|
|
'';
|
|
};
|
|
|
|
extraConfig = mkOption {
|
|
type = types.lines;
|
|
default = "";
|
|
description = ''
|
|
Additional text to be appended to <filename>riak.conf</filename>.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
###### implementation
|
|
|
|
config = mkIf cfg.enable {
|
|
|
|
environment.systemPackages = [ cfg.package ];
|
|
environment.etc."riak/riak.conf".text = ''
|
|
nodename = ${cfg.nodeName}
|
|
distributed_cookie = ${cfg.distributedCookie}
|
|
|
|
platform_log_dir = ${cfg.logDir}
|
|
platform_etc_dir = /etc/riak
|
|
platform_data_dir = ${cfg.dataDir}
|
|
|
|
${cfg.extraConfig}
|
|
'';
|
|
|
|
users.extraUsers.riak = {
|
|
name = "riak";
|
|
uid = config.ids.uids.riak;
|
|
group = "riak";
|
|
description = "Riak server user";
|
|
};
|
|
|
|
users.extraGroups.riak.gid = config.ids.gids.riak;
|
|
|
|
systemd.services.riak = {
|
|
description = "Riak Server";
|
|
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" ];
|
|
|
|
path = [
|
|
pkgs.utillinux # for `logger`
|
|
pkgs.bash
|
|
];
|
|
|
|
environment.HOME = "${cfg.dataDir}";
|
|
environment.RIAK_DATA_DIR = "${cfg.dataDir}";
|
|
environment.RIAK_LOG_DIR = "${cfg.logDir}";
|
|
environment.RIAK_ETC_DIR = "/etc/riak";
|
|
|
|
preStart = ''
|
|
if ! test -e ${cfg.logDir}; then
|
|
mkdir -m 0755 -p ${cfg.logDir}
|
|
chown -R riak ${cfg.logDir}
|
|
fi
|
|
|
|
if ! test -e ${cfg.dataDir}; then
|
|
mkdir -m 0700 -p ${cfg.dataDir}
|
|
chown -R riak ${cfg.dataDir}
|
|
fi
|
|
'';
|
|
|
|
serviceConfig = {
|
|
ExecStart = "${cfg.package}/bin/riak console";
|
|
ExecStop = "${cfg.package}/bin/riak stop";
|
|
StandardInput = "tty";
|
|
User = "riak";
|
|
Group = "riak";
|
|
PermissionsStartOnly = true;
|
|
# Give Riak a decent amount of time to clean up.
|
|
TimeoutStopSec = 120;
|
|
LimitNOFILE = 65536;
|
|
};
|
|
|
|
unitConfig.RequiresMountsFor = [
|
|
"${cfg.dataDir}"
|
|
"${cfg.logDir}"
|
|
"/etc/riak"
|
|
];
|
|
};
|
|
|
|
};
|
|
|
|
}
|