107 lines
2.9 KiB
Nix
107 lines
2.9 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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in
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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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registries = mkOption {
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type = types.listOf types.str;
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default = [ "docker.io" "quay.io" ];
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description = "Registries to be configured for unqualified image pull";
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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 cni-plugins iptables runc utillinux ];
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environment.etc."crictl.yaml".text = ''
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runtime-endpoint: unix:///var/run/crio/crio.sock
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'';
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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 = "${cfg.pauseCommand}"
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registries = [
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${concatMapStringsSep ", " (x: "\"" + x + "\"") cfg.registries}
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]
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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."containers/policy.json".text = ''
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{"default": [{"type": "insecureAcceptAnything"}]}
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'';
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environment.etc."cni/net.d/20-cri-o-bridge.conf".text = ''
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{
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"cniVersion": "0.3.1",
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"name": "crio-bridge",
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"type": "bridge",
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"bridge": "cni0",
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"isGateway": true,
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"ipMasq": true,
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"ipam": {
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"type": "host-local",
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"subnet": "10.88.0.0/16",
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"routes": [
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{ "dst": "0.0.0.0/0" }
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]
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}
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}
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'';
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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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