101 lines
3.3 KiB
Nix
101 lines
3.3 KiB
Nix
|
{ config, options, pkgs, lib, ... }:
|
||
|
|
let
|
||
|
|
inherit (lib) literalExpression mkOption mkEnableOption mkIf mkMerge types optional;
|
||
|
|
|
||
|
|
cfg = config.services.uptime;
|
||
|
|
opt = options.services.uptime;
|
||
|
|
|
||
|
|
configDir = pkgs.runCommand "config" { preferLocalBuild = true; }
|
||
|
|
(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 $out/runtime.json
|
||
|
|
'');
|
||
|
|
in {
|
||
|
|
options.services.uptime = {
|
||
|
|
configFile = mkOption {
|
||
|
|
description = ''
|
||
|
|
The uptime configuration file
|
||
|
|
|
||
|
|
If mongodb: server != localhost, please set usesRemoteMongo = true
|
||
|
|
|
||
|
|
If you only want to run the monitor, please set enableWebService = false
|
||
|
|
and enableSeparateMonitoringService = true
|
||
|
|
|
||
|
|
If autoStartMonitor: false (recommended) and you want to run both
|
||
|
|
services, please set enableSeparateMonitoringService = true
|
||
|
|
'';
|
||
|
|
|
||
|
|
type = types.nullOr types.path;
|
||
|
|
|
||
|
|
default = null;
|
||
|
|
};
|
||
|
|
|
||
|
|
usesRemoteMongo = mkOption {
|
||
|
|
description = "Whether the configuration file specifies a remote mongo instance";
|
||
|
|
|
||
|
|
default = false;
|
||
|
|
|
||
|
|
type = types.bool;
|
||
|
|
};
|
||
|
|
|
||
|
|
enableWebService = mkEnableOption "the uptime monitoring program web service";
|
||
|
|
|
||
|
|
enableSeparateMonitoringService = mkEnableOption "the uptime monitoring service" // {
|
||
|
|
default = cfg.enableWebService;
|
||
|
|
defaultText = literalExpression "config.${opt.enableWebService}";
|
||
|
|
};
|
||
|
|
|
||
|
|
nodeEnv = mkOption {
|
||
|
|
description = "The node environment to run in (development, production, etc.)";
|
||
|
|
|
||
|
|
type = types.str;
|
||
|
|
|
||
|
|
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";
|
||
|
|
};
|
||
|
|
}) ];
|
||
|
|
}
|