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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.sysstat;
in {
options = {
services.sysstat = {
enable = mkEnableOption "sar system activity collection";
collect-frequency = mkOption {
type = types.str;
default = "*:00/10";
description = ''
OnCalendar specification for sysstat-collect
'';
};
collect-args = mkOption {
type = types.str;
default = "1 1";
description = ''
Arguments to pass sa1 when collecting statistics
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.sysstat = {
description = "Resets System Activity Logs";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = "root";
RemainAfterExit = true;
Type = "oneshot";
ExecStart = "${pkgs.sysstat}/lib/sa/sa1 --boot";
LogsDirectory = "sa";
};
};
systemd.services.sysstat-collect = {
description = "system activity accounting tool";
unitConfig.Documentation = "man:sa1(8)";
serviceConfig = {
Type = "oneshot";
User = "root";
ExecStart = "${pkgs.sysstat}/lib/sa/sa1 ${cfg.collect-args}";
};
};
systemd.timers.sysstat-collect = {
description = "Run system activity accounting tool on a regular basis";
wantedBy = [ "timers.target" ];
timerConfig.OnCalendar = cfg.collect-frequency;
};
systemd.services.sysstat-summary = {
description = "Generate a daily summary of process accounting";
unitConfig.Documentation = "man:sa2(8)";
serviceConfig = {
Type = "oneshot";
User = "root";
ExecStart = "${pkgs.sysstat}/lib/sa/sa2 -A";
};
};
systemd.timers.sysstat-summary = {
description = "Generate summary of yesterday's process accounting";
wantedBy = [ "timers.target" ];
timerConfig.OnCalendar = "00:07:00";
};
};
}
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