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100 lines
2.8 KiB
Nix
100 lines
2.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.virtualisation.cri-o;
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# Copy configuration files to avoid having the entire sources in the system closure
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copyFile = filePath: pkgs.runCommandNoCC (builtins.unsafeDiscardStringContext (builtins.baseNameOf filePath)) {} ''
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cp ${filePath} $out
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'';
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in
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{
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imports = [
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(mkRenamedOptionModule [ "virtualisation" "cri-o" "registries" ] [ "virtualisation" "containers" "registries" "search" ])
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];
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meta = {
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maintainers = lib.teams.podman.members;
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};
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options.virtualisation.cri-o = {
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enable = mkEnableOption "Container Runtime Interface for OCI (CRI-O)";
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storageDriver = mkOption {
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type = types.enum ["btrfs" "overlay" "vfs"];
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default = "overlay";
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description = "Storage driver to be used";
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};
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logLevel = mkOption {
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type = types.enum ["trace" "debug" "info" "warn" "error" "fatal"];
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default = "info";
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description = "Log level to be used";
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};
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pauseImage = mkOption {
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type = types.str;
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default = "k8s.gcr.io/pause:3.1";
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description = "Pause image for pod sandboxes to be used";
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};
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pauseCommand = mkOption {
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type = types.str;
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default = "/pause";
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description = "Pause command to be executed";
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = with pkgs;
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[ cri-o cri-tools conmon iptables runc utillinux ];
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environment.etc."crictl.yaml".source = copyFile "${pkgs.cri-o.src}/crictl.yaml";
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environment.etc."crio/crio.conf".text = ''
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[crio]
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storage_driver = "${cfg.storageDriver}"
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[crio.image]
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pause_image = "${cfg.pauseImage}"
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pause_command = "${cfg.pauseCommand}"
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[crio.network]
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plugin_dirs = ["${pkgs.cni-plugins}/bin/"]
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network_dir = "/etc/cni/net.d/"
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[crio.runtime]
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conmon = "${pkgs.conmon}/bin/conmon"
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log_level = "${cfg.logLevel}"
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manage_network_ns_lifecycle = true
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'';
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environment.etc."cni/net.d/10-crio-bridge.conf".source = copyFile "${pkgs.cri-o.src}/contrib/cni/10-crio-bridge.conf";
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# Enable common /etc/containers configuration
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virtualisation.containers.enable = true;
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systemd.services.crio = {
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description = "Container Runtime Interface for OCI (CRI-O)";
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documentation = [ "https://github.com/cri-o/cri-o" ];
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = [ pkgs.utillinux pkgs.runc pkgs.iptables ];
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serviceConfig = {
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Type = "notify";
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ExecStart = "${pkgs.cri-o}/bin/crio";
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ExecReload = "/bin/kill -s HUP $MAINPID";
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TasksMax = "infinity";
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LimitNOFILE = "1048576";
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LimitNPROC = "1048576";
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LimitCORE = "infinity";
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OOMScoreAdjust = "-999";
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TimeoutStartSec = "0";
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Restart = "on-abnormal";
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};
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};
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};
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}
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