blob: 29616a085c8f3f3b53241fcc54f429943a6c1af3 (
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
|
{ config, pkgs, lib, ... }:
let
inherit (lib) mkOption mkEnableOption mkIf mkMerge types optionalAttrs optional;
cfg = config.services.uptime;
configDir = pkgs.runCommand "config" {} (if cfg.configFile != null then ''
mkdir $out
ext=`echo ${cfg.configFile} | grep -o \\..*`
ln -sv ${cfg.configFile} $out/default$ext
ln -sv /var/lib/uptime/runtime.json $out/runtime.json
'' else ''
mkdir $out
cat ${pkgs.nodePackages.node-uptime}/lib/node_modules/node-uptime/config/default.yaml > $out/default.yaml
cat >> $out/default.yaml <<EOF
autoStartMonitor: false
mongodb:
connectionString: 'mongodb://localhost/uptime'
EOF
ln -sv /var/lib/uptime/runtime.json $out/runtime.json
'');
in {
options.services.uptime = {
configFile = mkOption {
description = ''
The uptime configuration file
If mongodb: server != localhost, please set usesRemoteMongo = true
If you only want to run the monitor, please set enableWebService = false
and enableSeparateMonitoringService = true
If autoStartMonitor: false (recommended) and you want to run both
services, please set enableSeparateMonitoringService = true
'';
type = types.nullOr types.path;
default = null;
};
usesRemoteMongo = mkOption {
description = "Whether the configuration file specifies a remote mongo instance";
default = false;
type = types.bool;
};
enableWebService = mkEnableOption "the uptime monitoring program web service";
enableSeparateMonitoringService = mkEnableOption "the uptime monitoring service" // { default = cfg.enableWebService; };
nodeEnv = mkOption {
description = "The node environment to run in (development, production, etc.)";
type = types.string;
default = "production";
};
};
config = mkMerge [ (mkIf cfg.enableWebService {
systemd.services.uptime = {
description = "uptime web service";
wantedBy = [ "multi-user.target" ];
environment = {
NODE_CONFIG_DIR = configDir;
NODE_ENV = cfg.nodeEnv;
NODE_PATH = "${pkgs.nodePackages.node-uptime}/lib/node_modules/node-uptime/node_modules";
};
preStart = "mkdir -p /var/lib/uptime";
serviceConfig.ExecStart = "${pkgs.nodejs}/bin/node ${pkgs.nodePackages.node-uptime}/lib/node_modules/node-uptime/app.js";
};
services.mongodb.enable = mkIf (!cfg.usesRemoteMongo) true;
}) (mkIf cfg.enableSeparateMonitoringService {
systemd.services.uptime-monitor = {
description = "uptime monitoring service";
wantedBy = [ "multi-user.target" ];
requires = optional cfg.enableWebService "uptime.service";
after = optional cfg.enableWebService "uptime.service";
environment = {
NODE_CONFIG_DIR = configDir;
NODE_ENV = cfg.nodeEnv;
NODE_PATH = "${pkgs.nodePackages.node-uptime}/lib/node_modules/node-uptime/node_modules";
};
# Ugh, need to wait for web service to be up
preStart = if cfg.enableWebService then "sleep 1s" else "mkdir -p /var/lib/uptime";
serviceConfig.ExecStart = "${pkgs.nodejs}/bin/node ${pkgs.nodePackages.node-uptime}/lib/node_modules/node-uptime/monitor.js";
};
}) ];
}
|