Merge pull request #144933 from Artturin/ananicyinit

ananicy: init at unstable-2021-11-05

7 files changed, 228 insertions, 0 deletions

diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index 7193429601b..b5a3e27ab91 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -479,6 +479,16 @@
           RandomX benchmark.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          Auto nice daemons
+          <link xlink:href="https://github.com/Nefelim4ag/Ananicy">ananicy</link>
+          and
+          <link xlink:href="https://gitlab.com/ananicy-cpp/ananicy-cpp/">ananicy-cpp</link>.
+          Available as
+          <link linkend="opt-services.ananicy.enable">services.ananicy</link>.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-21.11-incompatibilities">
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index d8807e85a68..d4ff576fecf 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -139,6 +139,8 @@ In addition to numerous new and upgraded packages, this release has the followin
 
 - [xmrig](https://github.com/xmrig/xmrig), a high performance, open source, cross platform RandomX, KawPow, CryptoNight and AstroBWT unified CPU/GPU miner and RandomX benchmark.
 
+- Auto nice daemons [ananicy](https://github.com/Nefelim4ag/Ananicy) and [ananicy-cpp](https://gitlab.com/ananicy-cpp/ananicy-cpp/). Available as [services.ananicy](#opt-services.ananicy.enable).
+
 ## Backward Incompatibilities {#sec-release-21.11-incompatibilities}
 
 - The NixOS VM test framework, `pkgs.nixosTest`/`make-test-python.nix`, now requires detaching commands such as `succeed("foo &")` and `succeed("foo | xclip -i")` to close stdout.
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index c5f0b211ff8..c19dcd3293b 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -485,6 +485,7 @@
   ./services/mail/roundcube.nix
   ./services/mail/sympa.nix
   ./services/mail/nullmailer.nix
+  ./services/misc/ananicy.nix
   ./services/misc/airsonic.nix
   ./services/misc/ankisyncd.nix
   ./services/misc/apache-kafka.nix
diff --git a/nixos/modules/services/misc/ananicy.nix b/nixos/modules/services/misc/ananicy.nix
new file mode 100644
index 00000000000..f76f534fb45
--- /dev/null
+++ b/nixos/modules/services/misc/ananicy.nix
@@ -0,0 +1,107 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  cfg = config.services.ananicy;
+  configFile = pkgs.writeText "ananicy.conf" (generators.toKeyValue { } cfg.settings);
+  extraRules = pkgs.writeText "extraRules" cfg.extraRules;
+  servicename = if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then "ananicy-cpp" else "ananicy";
+in
+{
+  options = {
+    services.ananicy = {
+      enable = mkEnableOption "Ananicy, an auto nice daemon";
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.ananicy;
+        defaultText = literalExpression "pkgs.ananicy";
+        example = literalExpression "pkgs.ananicy-cpp";
+        description = ''
+          Which ananicy package to use.
+        '';
+      };
+
+      settings = mkOption {
+        type = with types; attrsOf (oneOf [ int bool str ]);
+        default = { };
+        example = {
+          apply_nice = false;
+        };
+        description = ''
+          See <link xlink:href="https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf"/>
+        '';
+      };
+
+      extraRules = mkOption {
+        type = types.str;
+        default = "";
+        description = ''
+          Extra rules in json format on separate lines. See:
+          <link xlink:href="https://github.com/Nefelim4ag/Ananicy#configuration"/>
+          <link xlink:href="https://gitlab.com/ananicy-cpp/ananicy-cpp/#global-configuration"/>
+        '';
+        example = literalExpression ''
+          '''
+            { "name": "eog", "type": "Image-View" }
+            { "name": "fdupes", "type": "BG_CPUIO" }
+          '''
+        '';
+
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      systemPackages = [ cfg.package ];
+      etc."ananicy.d".source = pkgs.runCommandLocal "ananicyfiles" { } ''
+        mkdir -p $out
+        # ananicy-cpp does not include rules or settings on purpose
+        cp -r ${pkgs.ananicy}/etc/ananicy.d/* $out
+        rm $out/ananicy.conf
+        cp ${configFile} $out/ananicy.conf
+        ${optionalString (cfg.extraRules != "") "cp ${extraRules} $out/nixRules.rules"}
+      '';
+    };
+
+    # ananicy and ananicy-cpp have different default settings
+    services.ananicy.settings =
+      let
+        mkOD = mkOptionDefault;
+      in
+      {
+        cgroup_load = mkOD true;
+        type_load = mkOD true;
+        rule_load = mkOD true;
+        apply_nice = mkOD true;
+        apply_ioclass = mkOD true;
+        apply_ionice = mkOD true;
+        apply_sched = mkOD true;
+        apply_oom_score_adj = mkOD true;
+        apply_cgroup = mkOD true;
+      } // (if ((lib.getName cfg.package) == (lib.getName pkgs.ananicy-cpp)) then {
+        # https://gitlab.com/ananicy-cpp/ananicy-cpp/-/blob/master/src/config.cpp#L12
+        loglevel = mkOD "warn"; # default is info but its spammy
+        cgroup_realtime_workaround = mkOD true;
+      } else {
+        # https://github.com/Nefelim4ag/Ananicy/blob/master/ananicy.d/ananicy.conf
+        check_disks_schedulers = mkOD true;
+        check_freq = mkOD 5;
+      });
+
+    systemd = {
+      # https://gitlab.com/ananicy-cpp/ananicy-cpp/#cgroups applies to both ananicy and -cpp
+      enableUnifiedCgroupHierarchy = mkDefault false;
+      packages = [ cfg.package ];
+      services."${servicename}" = {
+        wantedBy = [ "default.target" ];
+      };
+    };
+  };
+
+  meta = {
+    maintainers = with maintainers; [ artturin ];
+  };
+}
diff --git a/pkgs/misc/ananicy-cpp/default.nix b/pkgs/misc/ananicy-cpp/default.nix
new file mode 100644
index 00000000000..25bcaec1326
--- /dev/null
+++ b/pkgs/misc/ananicy-cpp/default.nix
@@ -0,0 +1,46 @@
+{ lib
+, gcc11Stdenv
+, fetchFromGitLab
+, makeWrapper
+, cmake
+, spdlog
+, nlohmann_json
+, systemd
+}:
+
+gcc11Stdenv.mkDerivation rec {
+  pname = "ananicy-cpp";
+  version = "unstable-2021-10-13";
+
+  src = fetchFromGitLab {
+    owner = "ananicy-cpp";
+    repo = "ananicy-cpp";
+    rev = "6a14fe7353221c89347eddbbcafb35cf5fee4758";
+    sha256 = "sha256-V0QPXC17ZD2c4MK3DAkzoPgKOU5V5BjfQKUk7I6f8WM=";
+  };
+
+  nativeBuildInputs = [
+    makeWrapper
+    cmake
+  ];
+
+  buildInputs = [
+    spdlog
+    nlohmann_json
+    systemd
+  ];
+
+  cmakeFlags = [
+    "-DUSE_EXTERNAL_JSON=yON"
+    "-DUSE_EXTERNAL_SPDLOG=ON"
+    "-DUSE_EXTERNAL_FMTLIB=ON"
+  ];
+
+  meta = with lib; {
+    homepage = "https://gitlab.com/ananicy-cpp/ananicy-cpp";
+    description = "Rewrite of ananicy in c++ for lower cpu and memory usage";
+    license = licenses.gpl3Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ artturin ];
+  };
+}
diff --git a/pkgs/misc/ananicy/default.nix b/pkgs/misc/ananicy/default.nix
new file mode 100644
index 00000000000..3c2392df731
--- /dev/null
+++ b/pkgs/misc/ananicy/default.nix
@@ -0,0 +1,58 @@
+{ lib, stdenv, python3, fetchFromGitHub, makeWrapper, schedtool, sysctl, util-linux, fetchpatch }:
+
+stdenv.mkDerivation rec {
+  pname = "ananicy";
+  version = "unstable-2021-11-05";
+
+  src = fetchFromGitHub {
+    owner = "nefelim4ag";
+    repo = "ananicy";
+    rev = "b8968e9b32b0e4e6a01dc2314e43de8fee9da691";
+    sha256 = "sha256-tlPY81xdUpZrDYdApXooZ0Mst0n7ARVHyUrmymqg0rk=";
+  };
+
+  patches = [
+    # https://github.com/Nefelim4ag/Ananicy/pull/437
+    # fix makefile destinations
+    (fetchpatch {
+      url = "https://github.com/Nefelim4ag/Ananicy/commit/dbda0f50670de3f249991706ef1cc107c5197a2f.patch";
+      sha256 = "sha256-vMcJxekg2QUbm253CLAv3tmo5kedSlw+/PI/LamNWwc=";
+      # only used for debian packaging. lets exclude it so the patch applies even when that file is changed
+      excludes = [ "package.sh" ];
+    })
+    # https://github.com/Nefelim4ag/Ananicy/pull/439
+    # fix syntax error
+    (fetchpatch {
+      url = "https://github.com/Nefelim4ag/Ananicy/commit/0f8b809298ccfd88d0e2ab952d6e4131865246da.patch";
+      sha256 = "sha256-PWE4F0G97gecgc9HnG7ScA78+QVc8u8aF9u74qVChX0=";
+    })
+  ];
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ python3 ];
+
+  makeFlags = [
+    "PREFIX=$(out)"
+    "SYSCONFDIR=${placeholder "out"}/etc"
+  ];
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  postInstall = ''
+    wrapProgram $out/bin/ananicy \
+      --prefix PATH : ${lib.makeBinPath [ schedtool util-linux ]}
+
+    substituteInPlace $out/lib/systemd/system/ananicy.service \
+      --replace "/sbin/sysctl" "${sysctl}/bin/sysctl" \
+      --replace "/usr/bin/ananicy" "$out/bin/ananicy"
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/Nefelim4ag/Ananicy";
+    description = "Another auto nice daemon, with community rules support";
+    license = licenses.gpl3Only;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ artturin ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 23dc8bcbca1..3dba1b7796d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22791,6 +22791,10 @@ with pkgs;
 
   anarchism = callPackage ../data/documentation/anarchism { };
 
+  ananicy = callPackage ../misc/ananicy { };
+
+  ananicy-cpp = callPackage ../misc/ananicy-cpp { };
+
   andagii = callPackage ../data/fonts/andagii { };
 
   andika = callPackage ../data/fonts/andika { };