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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.virtualisation.cri-o;
in
{
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";
};
registries = mkOption {
type = types.listOf types.str;
default = [ "docker.io" "quay.io" ];
description = "Registries to be configured for unqualified image pull";
};
};
config = mkIf cfg.enable {
environment.systemPackages = with pkgs;
[ cri-o cri-tools conmon cni-plugins iptables runc utillinux ];
environment.etc."crictl.yaml".text = ''
runtime-endpoint: unix:///var/run/crio/crio.sock
'';
environment.etc."crio/crio.conf".text = ''
[crio]
storage_driver = "${cfg.storageDriver}"
[crio.image]
pause_image = "${cfg.pauseImage}"
pause_command = "${cfg.pauseCommand}"
registries = [
${concatMapStringsSep ", " (x: "\"" + x + "\"") cfg.registries}
]
[crio.runtime]
conmon = "${pkgs.conmon}/bin/conmon"
log_level = "${cfg.logLevel}"
manage_network_ns_lifecycle = true
'';
environment.etc."containers/policy.json".text = ''
{"default": [{"type": "insecureAcceptAnything"}]}
'';
environment.etc."cni/net.d/20-cri-o-bridge.conf".text = ''
{
"cniVersion": "0.3.1",
"name": "crio-bridge",
"type": "bridge",
"bridge": "cni0",
"isGateway": true,
"ipMasq": true,
"ipam": {
"type": "host-local",
"subnet": "10.88.0.0/16",
"routes": [
{ "dst": "0.0.0.0/0" }
]
}
}
'';
systemd.services.crio = {
description = "Container Runtime Interface for OCI (CRI-O)";
documentation = [ "https://github.com/cri-o/cri-o" ];
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
path = [ pkgs.utillinux pkgs.runc pkgs.iptables ];
serviceConfig = {
Type = "notify";
ExecStart = "${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";
};
};
};
}
|
