From b139155bee6006f21993f3b2b6bfd5adde6fff6f Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Tue, 26 Jul 2016 21:36:47 +0200
Subject: l 3 power-action -> k 3 power-action

---
 krebs/3modules/power-action.nix | 97 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 krebs/3modules/power-action.nix

(limited to 'krebs/3modules/power-action.nix')

diff --git a/krebs/3modules/power-action.nix b/krebs/3modules/power-action.nix
new file mode 100644
index 000000000..4c2533eb7
--- /dev/null
+++ b/krebs/3modules/power-action.nix
@@ -0,0 +1,97 @@
+{ config, lib, pkgs, ... }:
+
+with config.krebs.lib;
+
+let
+  cfg = config.krebs.power-action;
+
+  out = {
+    options.krebs.power-action = api;
+    config = lib.mkIf cfg.enable imp;
+  };
+
+  api = {
+    enable = mkEnableOption "power-action";
+    battery = mkOption {
+      type = types.str;
+      default = "BAT0";
+    };
+    user = mkOption {
+      type = types.user;
+      default = {
+        name = "power-action";
+      };
+    };
+    startAt = mkOption {
+      type = types.str;
+      default = "*:0/1";
+    };
+    plans = mkOption {
+      type = with types; attrsOf (submodule {
+        options = {
+          charging = mkOption {
+            type = nullOr bool;
+            default = null;
+            description = ''
+              check for charging status.
+              null = don't care
+              true = only if system is charging
+              false = only if system is discharging
+            '';
+          };
+          upperLimit = mkOption {
+            type = int;
+          };
+          lowerLimit = mkOption {
+            type = int;
+          };
+          action = mkOption {
+            type = path;
+          };
+        };
+      });
+    };
+  };
+
+  imp = {
+    systemd.services.power-action = {
+      serviceConfig = rec {
+        ExecStart = startScript;
+        User = cfg.user.name;
+      };
+      startAt = cfg.startAt;
+    };
+    users.users.${cfg.user.name} = {
+      inherit (cfg.user) name uid;
+    };
+  };
+
+  startScript = pkgs.writeDash "power-action" ''
+    set -euf
+
+    power="$(${powerlvl})"
+    state="$(${state})"
+    ${concatStringsSep "\n" (mapAttrsToList writeRule cfg.plans)}
+  '';
+  charging_check = plan:
+    if (plan.charging == null) then "" else
+      if plan.charging
+        then ''&& [ "$state" = "true" ]''
+        else ''&& ! [ "$state" = "true" ]''
+    ;
+
+  writeRule = _: plan:
+    "if [ $power -ge ${toString plan.lowerLimit} ] && [ $power -le ${toString plan.upperLimit} ] ${charging_check plan}; then ${plan.action}; fi";
+
+  powerlvl = pkgs.writeDash "powerlvl" ''
+    cat /sys/class/power_supply/${cfg.battery}/capacity
+  '';
+
+  state = pkgs.writeDash "state" ''
+    if [ "$(cat /sys/class/power_supply/${cfg.battery}/status)" = "Discharging" ]
+      then echo "false"
+      else echo "true"
+    fi
+  '';
+
+in out
-- 
cgit v1.3.1


From def975ffb2c1d955e30f12a92f49789ace8d8eb2 Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Tue, 2 Aug 2016 14:59:31 +0200
Subject: k 3 power-action: don't create configured user

---
 krebs/3modules/power-action.nix | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

(limited to 'krebs/3modules/power-action.nix')

diff --git a/krebs/3modules/power-action.nix b/krebs/3modules/power-action.nix
index 4c2533eb7..7227f4a9a 100644
--- a/krebs/3modules/power-action.nix
+++ b/krebs/3modules/power-action.nix
@@ -17,10 +17,8 @@ let
       default = "BAT0";
     };
     user = mkOption {
-      type = types.user;
-      default = {
-        name = "power-action";
-      };
+      type = types.string;
+      default = "power-action";
     };
     startAt = mkOption {
       type = types.str;
@@ -57,13 +55,10 @@ let
     systemd.services.power-action = {
       serviceConfig = rec {
         ExecStart = startScript;
-        User = cfg.user.name;
+        User = cfg.user;
       };
       startAt = cfg.startAt;
     };
-    users.users.${cfg.user.name} = {
-      inherit (cfg.user) name uid;
-    };
   };
 
   startScript = pkgs.writeDash "power-action" ''
-- 
cgit v1.3.1


From 35f0b5a22326fa67016a112ab78ffeaf55da4cef Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Tue, 2 Aug 2016 14:59:58 +0200
Subject: k 3 power-action: fix description

---
 krebs/3modules/power-action.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'krebs/3modules/power-action.nix')

diff --git a/krebs/3modules/power-action.nix b/krebs/3modules/power-action.nix
index 7227f4a9a..bb5b3e521 100644
--- a/krebs/3modules/power-action.nix
+++ b/krebs/3modules/power-action.nix
@@ -33,7 +33,7 @@ let
             description = ''
               check for charging status.
               null = don't care
-              true = only if system is charging
+              true = only if system is charging or unknown
               false = only if system is discharging
             '';
           };
-- 
cgit v1.3.1