1 files changed, 76 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/sysstat.nix b/nixos/modules/services/monitoring/sysstat.nix
new file mode 100644
index 00000000000..ca2cff82723
--- /dev/null
+++ b/nixos/modules/services/monitoring/sysstat.nix
@@ -0,0 +1,76 @@
+{ 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";
+    };
+  };
+}