blob: 657eeea87bf4c032be0c209d28ce87f78611cc29 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.riak;
in
{
###### interface
options = {
services.riak = {
enable = mkEnableOption "riak";
package = mkOption {
type = types.package;
default = pkgs.riak;
defaultText = "pkgs.riak";
example = literalExample "pkgs.riak";
description = ''
Riak package to use.
'';
};
nodeName = mkOption {
type = types.str;
default = "riak@127.0.0.1";
description = ''
Name of the Erlang node.
'';
};
distributedCookie = mkOption {
type = types.str;
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>.
'';
};
extraAdvancedConfig = mkOption {
type = types.lines;
default = "";
description = ''
Additional text to be appended to <filename>advanced.config</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}
'';
environment.etc."riak/advanced.config".text = ''
${cfg.extraAdvancedConfig}
'';
users.users.riak = {
name = "riak";
uid = config.ids.uids.riak;
group = "riak";
description = "Riak server user";
};
users.groups.riak.gid = config.ids.gids.riak;
systemd.services.riak = {
description = "Riak Server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
path = [
pkgs.util-linux # for `logger`
pkgs.bash
];
environment.HOME = "${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"
];
};
};
}
|