blob: 973089445416728682f302b4681057ea35d10d23 (
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
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.corosync;
in
{
# interface
options.services.corosync = {
enable = mkEnableOption "corosync";
package = mkOption {
type = types.package;
default = pkgs.corosync;
defaultText = literalExpression "pkgs.corosync";
description = lib.mdDoc "Package that should be used for corosync.";
};
clusterName = mkOption {
type = types.str;
default = "nixcluster";
description = lib.mdDoc "Name of the corosync cluster.";
};
extraOptions = mkOption {
type = with types; listOf str;
default = [];
description = lib.mdDoc "Additional options with which to start corosync.";
};
nodelist = mkOption {
description = lib.mdDoc "Corosync nodelist: all cluster members.";
default = [];
type = with types; listOf (submodule {
options = {
nodeid = mkOption {
type = int;
description = lib.mdDoc "Node ID number";
};
name = mkOption {
type = str;
description = lib.mdDoc "Node name";
};
ring_addrs = mkOption {
type = listOf str;
description = lib.mdDoc "List of addresses, one for each ring.";
};
};
});
};
};
# implementation
config = mkIf cfg.enable {
environment.systemPackages = [ cfg.package ];
environment.etc."corosync/corosync.conf".text = ''
totem {
version: 2
secauth: on
cluster_name: ${cfg.clusterName}
transport: knet
}
nodelist {
${concatMapStrings ({ nodeid, name, ring_addrs }: ''
node {
nodeid: ${toString nodeid}
name: ${name}
${concatStrings (imap0 (i: addr: ''
ring${toString i}_addr: ${addr}
'') ring_addrs)}
}
'') cfg.nodelist}
}
quorum {
# only corosync_votequorum is supported
provider: corosync_votequorum
wait_for_all: 0
${optionalString (builtins.length cfg.nodelist < 3) ''
two_node: 1
''}
}
logging {
to_syslog: yes
}
'';
environment.etc."corosync/uidgid.d/root".text = ''
# allow pacemaker connection by root
uidgid {
uid: 0
gid: 0
}
'';
systemd.packages = [ cfg.package ];
systemd.services.corosync = {
wantedBy = [ "multi-user.target" ];
serviceConfig = {
StateDirectory = "corosync";
StateDirectoryMode = "0700";
};
};
environment.etc."sysconfig/corosync".text = lib.optionalString (cfg.extraOptions != []) ''
COROSYNC_OPTIONS="${lib.escapeShellArgs cfg.extraOptions}"
'';
};
}
|