nixpkgs/nixos/modules/services/monitoring/monit.nix

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{config, pkgs, lib, ...}:
with lib;
let
cfg = config.services.monit;
in
{
options.services.monit = {
enable = mkEnableOption "Monit";
config = mkOption {
type = types.lines;
default = "";
description = "monitrc content";
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.monit ];
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environment.etc.monitrc = {
text = cfg.config;
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mode = "0400";
};
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systemd.services.monit = {
description = "Pro-active monitoring utility for unix systems";
after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = "${pkgs.monit}/bin/monit -I -c /etc/monitrc";
ExecStop = "${pkgs.monit}/bin/monit -c /etc/monitrc quit";
ExecReload = "${pkgs.monit}/bin/monit -c /etc/monitrc reload";
KillMode = "process";
Restart = "always";
};
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restartTriggers = [ config.environment.etc.monitrc.source ];
};
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};
}