61 lines
1.8 KiB
Nix
61 lines
1.8 KiB
Nix
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{ pkgs, lib, config, ... }:
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let
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cfg = config.virtualisation.containerd;
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containerdConfigChecked = pkgs.runCommand "containerd-config-checked.toml" { nativeBuildInputs = [pkgs.containerd]; } ''
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containerd -c ${cfg.configFile} config dump >/dev/null
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ln -s ${cfg.configFile} $out
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'';
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in
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{
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options.virtualisation.containerd = with lib.types; {
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enable = lib.mkEnableOption "containerd container runtime";
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configFile = lib.mkOption {
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default = null;
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description = "path to containerd config file";
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type = nullOr path;
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};
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args = lib.mkOption {
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default = {};
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description = "extra args to append to the containerd cmdline";
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type = attrsOf str;
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};
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};
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config = lib.mkIf cfg.enable {
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virtualisation.containerd.args.config = lib.mkIf (cfg.configFile != null) (toString containerdConfigChecked);
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environment.systemPackages = [pkgs.containerd];
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systemd.services.containerd = {
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description = "containerd - container runtime";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = with pkgs; [
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containerd
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runc
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iptables
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];
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serviceConfig = {
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ExecStart = ''${pkgs.containerd}/bin/containerd ${lib.concatStringsSep " " (lib.cli.toGNUCommandLine {} cfg.args)}'';
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Delegate = "yes";
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KillMode = "process";
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Type = "notify";
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Restart = "always";
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RestartSec = "5";
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StartLimitBurst = "8";
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StartLimitIntervalSec = "120s";
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# "limits" defined below are adopted from upstream: https://github.com/containerd/containerd/blob/master/containerd.service
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LimitNPROC = "infinity";
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LimitCORE = "infinity";
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LimitNOFILE = "infinity";
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TasksMax = "infinity";
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OOMScoreAdjust = "-999";
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};
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};
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};
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}
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