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