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|
{ config, lib, pkgs, utils, ... }:
with lib;
let
cfg = config.virtualisation.cri-o;
crioPackage = (pkgs.cri-o.override { inherit (cfg) extraPackages; });
format = pkgs.formats.toml { };
cfgFile = format.generate "00-default.conf" cfg.settings;
in
{
imports = [
(mkRenamedOptionModule [ "virtualisation" "cri-o" "registries" ] [ "virtualisation" "containers" "registries" "search" ])
];
meta = {
maintainers = 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.nullOr types.str;
default = null;
description = "Override the default pause image for pod sandboxes";
example = [ "k8s.gcr.io/pause:3.2" ];
};
pauseCommand = mkOption {
type = types.nullOr types.str;
default = null;
description = "Override the default pause command";
example = [ "/pause" ];
};
runtime = mkOption {
type = types.nullOr types.str;
default = null;
description = "Override the default runtime";
example = [ "crun" ];
};
extraPackages = mkOption {
type = with types; listOf package;
default = [ ];
example = literalExample ''
[
pkgs.gvisor
]
'';
description = ''
Extra packages to be installed in the CRI-O wrapper.
'';
};
package = mkOption {
type = types.package;
default = crioPackage;
internal = true;
description = ''
The final CRI-O package (including extra packages).
'';
};
networkDir = mkOption {
type = types.nullOr types.path;
default = null;
description = "Override the network_dir option.";
internal = true;
};
settings = mkOption {
type = format.type;
default = { };
description = ''
Configuration for cri-o, see
<link xlink:href="https://github.com/cri-o/cri-o/blob/master/docs/crio.conf.5.md"/>.
'';
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ cfg.package pkgs.cri-tools ];
environment.etc."crictl.yaml".source = utils.copyFile "${pkgs.cri-o-unwrapped.src}/crictl.yaml";
virtualisation.cri-o.settings.crio = {
storage_driver = cfg.storageDriver;
image = {
pause_image = mkIf (cfg.pauseImage != null) cfg.pauseImage;
pause_command = mkIf (cfg.pauseCommand != null) cfg.pauseCommand;
};
network = {
plugin_dirs = [ "${pkgs.cni-plugins}/bin" ];
network_dir = mkIf (cfg.networkDir != null) cfg.networkDir;
};
runtime = {
cgroup_manager = "systemd";
log_level = cfg.logLevel;
manage_ns_lifecycle = true;
pinns_path = "${cfg.package}/bin/pinns";
hooks_dir =
optional (config.virtualisation.containers.ociSeccompBpfHook.enable)
config.boot.kernelPackages.oci-seccomp-bpf-hook;
default_runtime = mkIf (cfg.runtime != null) cfg.runtime;
runtimes = mkIf (cfg.runtime != null) {
"${cfg.runtime}" = { };
};
};
};
environment.etc."cni/net.d/10-crio-bridge.conf".source = utils.copyFile "${pkgs.cri-o-unwrapped.src}/contrib/cni/10-crio-bridge.conf";
environment.etc."cni/net.d/99-loopback.conf".source = utils.copyFile "${pkgs.cri-o-unwrapped.src}/contrib/cni/99-loopback.conf";
environment.etc."crio/crio.conf.d/00-default.conf".source = cfgFile;
# 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 = [ cfg.package ];
serviceConfig = {
Type = "notify";
ExecStart = "${cfg.package}/bin/crio";
ExecReload = "/bin/kill -s HUP $MAINPID";
TasksMax = "infinity";
LimitNOFILE = "1048576";
LimitNPROC = "1048576";
LimitCORE = "infinity";
OOMScoreAdjust = "-999";
TimeoutStartSec = "0";
Restart = "on-abnormal";
};
restartTriggers = [ cfgFile ];
};
};
}
|