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# Global configuration for atop.
{ config, lib, pkgs, ... }:
with lib;
let cfg = config.programs.atop;
in
{
###### interface
options = {
programs.atop = rec {
enable = mkEnableOption "Atop";
package = mkOption {
type = types.package;
default = pkgs.atop;
defaultText = "pkgs.atop";
description = ''
Which package to use for Atop.
'';
};
netatop = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to install and enable the netatop kernel module.
Note: this sets the kernel taint flag "O" for loading out-of-tree modules.
'';
};
package = mkOption {
type = types.package;
default = config.boot.kernelPackages.netatop;
defaultText = "config.boot.kernelPackages.netatop";
description = ''
Which package to use for netatop.
'';
};
};
atopgpu.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to install and enable the atopgpud daemon to get information about
NVIDIA gpus.
'';
};
setuidWrapper.enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to install a setuid wrapper for Atop. This is required to use some of
the features as non-root user (e.g.: ipc information, netatop, atopgpu).
Atop tries to drop the root privileges shortly after starting.
'';
};
atopService.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable the atop service responsible for storing statistics for
long-term analysis.
'';
};
atopRotateTimer.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable the atop-rotate timer, which restarts the atop service
daily to make sure the data files are rotate.
'';
};
atopacctService.enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable the atopacct service which manages process accounting.
This allows Atop to gather data about processes that disappeared in between
two refresh intervals.
'';
};
settings = mkOption {
type = types.attrs;
default = { };
example = {
flags = "a1f";
interval = 5;
};
description = ''
Parameters to be written to <filename>/etc/atoprc</filename>.
'';
};
};
};
config = mkIf cfg.enable (
let
atop =
if cfg.atopgpu.enable then
(cfg.package.override { withAtopgpu = true; })
else
cfg.package;
in
{
environment.etc = mkIf (cfg.settings != { }) {
atoprc.text = concatStrings
(mapAttrsToList
(n: v: ''
${n} ${toString v}
'')
cfg.settings);
};
environment.systemPackages = [ atop (lib.mkIf cfg.netatop.enable cfg.netatop.package) ];
boot.extraModulePackages = [ (lib.mkIf cfg.netatop.enable cfg.netatop.package) ];
systemd =
let
mkSystemd = type: cond: name: restartTriggers: {
${name} = lib.mkIf cond {
inherit restartTriggers;
wantedBy = [ (if type == "services" then "multi-user.target" else if type == "timers" then "timers.target" else null) ];
};
};
mkService = mkSystemd "services";
mkTimer = mkSystemd "timers";
in
{
packages = [ atop (lib.mkIf cfg.netatop.enable cfg.netatop.package) ];
services =
mkService cfg.atopService.enable "atop" [ atop ]
// mkService cfg.atopacctService.enable "atopacct" [ atop ]
// mkService cfg.netatop.enable "netatop" [ cfg.netatop.package ]
// mkService cfg.atopgpu.enable "atopgpu" [ atop ];
timers = mkTimer cfg.atopRotateTimer.enable "atop-rotate" [ atop ];
};
security.wrappers =
lib.mkIf cfg.setuidWrapper.enable { atop = { source = "${atop}/bin/atop"; }; };
}
);
}
|