pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6
7 cfg = config.services.ejabberd;
8
9 ctlcfg = pkgs.writeText "ejabberdctl.cfg" ''
10 ERL_EPMD_ADDRESS=127.0.0.1
11 ${cfg.ctlConfig}
12 '';
13
14 ectl = ''${cfg.package}/bin/ejabberdctl ${if cfg.configFile == null then "" else "--config ${cfg.configFile}"} --ctl-config "${ctlcfg}" --spool "${cfg.spoolDir}" --logs "${cfg.logsDir}"'';
15
16 dumps = lib.escapeShellArgs cfg.loadDumps;
17
18in {
19
20 ###### interface
21
22 options = {
23
24 services.ejabberd = {
25
26 enable = mkOption {
27 type = types.bool;
28 default = false;
29 description = "Whether to enable ejabberd server";
30 };
31
32 package = mkOption {
33 type = types.package;
34 default = pkgs.ejabberd;
35 defaultText = "pkgs.ejabberd";
36 description = "ejabberd server package to use";
37 };
38
39 user = mkOption {
40 type = types.str;
41 default = "ejabberd";
42 description = "User under which ejabberd is ran";
43 };
44
45 group = mkOption {
46 type = types.str;
47 default = "ejabberd";
48 description = "Group under which ejabberd is ran";
49 };
50
51 spoolDir = mkOption {
52 type = types.path;
53 default = "/var/lib/ejabberd";
54 description = "Location of the spooldir of ejabberd";
55 };
56
57 logsDir = mkOption {
58 type = types.path;
59 default = "/var/log/ejabberd";
60 description = "Location of the logfile directory of ejabberd";
61 };
62
63 configFile = mkOption {
64 type = types.nullOr types.path;
65 description = "Configuration file for ejabberd in YAML format";
66 default = null;
67 };
68
69 ctlConfig = mkOption {
70 type = types.lines;
71 default = "";
72 description = "Configuration of ejabberdctl";
73 };
74
75 loadDumps = mkOption {
76 type = types.listOf types.path;
77 default = [];
78 description = "Configuration dumps that should be loaded on the first startup";
79 example = literalExample "[ ./myejabberd.dump ]";
80 };
81
82 imagemagick = mkOption {
83 type = types.bool;
84 default = false;
85 description = "Add ImageMagick to server's path; allows for image thumbnailing";
86 };
87 };
88
89 };
90
91
92 ###### implementation
93
94 config = mkIf cfg.enable {
95 environment.systemPackages = [ cfg.package ];
96
97 users.extraUsers = optionalAttrs (cfg.user == "ejabberd") (singleton
98 { name = "ejabberd";
99 group = cfg.group;
100 home = cfg.spoolDir;
101 createHome = true;
102 uid = config.ids.uids.ejabberd;
103 });
104
105 users.extraGroups = optionalAttrs (cfg.group == "ejabberd") (singleton
106 { name = "ejabberd";
107 gid = config.ids.gids.ejabberd;
108 });
109
110 systemd.services.ejabberd = {
111 description = "ejabberd server";
112 wantedBy = [ "multi-user.target" ];
113 after = [ "network.target" ];
114 path = [ pkgs.findutils pkgs.coreutils pkgs.runit ] ++ lib.optional cfg.imagemagick pkgs.imagemagick;
115
116 serviceConfig = {
117 ExecStart = ''${ectl} foreground'';
118 # FIXME: runit is used for `chpst` -- can we get rid of this?
119 ExecStop = ''${pkgs.runit}/bin/chpst -u "${cfg.user}:${cfg.group}" ${ectl} stop'';
120 ExecReload = ''${pkgs.runit}/bin/chpst -u "${cfg.user}:${cfg.group}" ${ectl} reload_config'';
121 User = cfg.user;
122 Group = cfg.group;
123 PermissionsStartOnly = true;
124 };
125
126 preStart = ''
127 mkdir -p -m750 "${cfg.logsDir}"
128 chown "${cfg.user}:${cfg.group}" "${cfg.logsDir}"
129
130 mkdir -p -m750 "/var/lock/ejabberdctl"
131 chown "${cfg.user}:${cfg.group}" "/var/lock/ejabberdctl"
132
133 mkdir -p -m750 "${cfg.spoolDir}"
134 chown -R "${cfg.user}:${cfg.group}" "${cfg.spoolDir}"
135
136 if [ -z "$(ls -A '${cfg.spoolDir}')" ]; then
137 touch "${cfg.spoolDir}/.firstRun"
138 fi
139 '';
140
141 postStart = ''
142 while ! ${ectl} status >/dev/null 2>&1; do
143 if ! kill -0 "$MAINPID"; then exit 1; fi
144 sleep 0.1
145 done
146
147 if [ -e "${cfg.spoolDir}/.firstRun" ]; then
148 rm "${cfg.spoolDir}/.firstRun"
149 for src in ${dumps}; do
150 find "$src" -type f | while read dump; do
151 echo "Loading configuration dump at $dump"
152 chpst -u "${cfg.user}:${cfg.group}" ${ectl} load "$dump"
153 done
154 done
155 fi
156 '';
157 };
158
159 security.pam.services.ejabberd = {};
160
161 };
162
163}