857 lines
28 KiB
Nix
857 lines
28 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.kubernetes;
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skipAttrs = attrs: map (filterAttrs (k: v: k != "enable"))
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(filter (v: !(hasAttr "enable" v) || v.enable) attrs);
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infraContainer = pkgs.dockerTools.buildImage {
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name = "pause";
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tag = "latest";
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contents = cfg.package.pause;
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config.Cmd = "/bin/pause";
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};
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kubeconfig = pkgs.writeText "kubeconfig" (builtins.toJSON {
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apiVersion = "v1";
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kind = "Config";
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clusters = [{
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name = "local";
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cluster.certificate-authority = cfg.kubeconfig.caFile;
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cluster.server = cfg.kubeconfig.server;
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}];
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users = [{
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name = "kubelet";
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user = {
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client-certificate = cfg.kubeconfig.certFile;
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client-key = cfg.kubeconfig.keyFile;
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};
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}];
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contexts = [{
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context = {
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cluster = "local";
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user = "kubelet";
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};
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current-context = "kubelet-context";
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}];
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});
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policyFile = pkgs.writeText "kube-policy"
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concatStringsSep "\n" (map (builtins.toJSON cfg.apiserver.authorizationPolicy));
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cniConfig = pkgs.buildEnv {
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name = "kubernetes-cni-config";
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paths = imap (i: entry:
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pkgs.writeTextDir "${10+i}-${entry.type}.conf" (builtins.toJSON entry)
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) cfg.kubelet.cni.config;
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};
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manifests = pkgs.buildEnv {
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name = "kubernetes-manifests";
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paths = mapAttrsToList (name: manifest:
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pkgs.writeTextDir "${name}.json" (builtins.toJSON manifest)
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) cfg.kubelet.manifests;
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};
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in {
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###### interface
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options.services.kubernetes = {
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roles = mkOption {
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description = ''
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Kubernetes role that this machine should take.
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Master role will enable etcd, apiserver, scheduler and controller manager
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services. Node role will enable etcd, docker, kubelet and proxy services.
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'';
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default = [];
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type = types.listOf (types.enum ["master" "node"]);
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};
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package = mkOption {
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description = "Kubernetes package to use.";
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type = types.package;
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default = pkgs.kubernetes;
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};
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verbose = mkOption {
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description = "Kubernetes enable verbose mode for debugging";
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default = false;
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type = types.bool;
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};
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etcd = {
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servers = mkOption {
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description = "List of etcd servers. By default etcd is started, except if this option is changed.";
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default = ["http://127.0.0.1:2379"];
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type = types.listOf types.str;
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};
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keyFile = mkOption {
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description = "Etcd key file";
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default = null;
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type = types.nullOr types.path;
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};
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certFile = mkOption {
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description = "Etcd cert file";
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default = null;
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type = types.nullOr types.path;
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};
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caFile = mkOption {
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description = "Etcd ca file";
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default = null;
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type = types.nullOr types.path;
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};
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};
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kubeconfig = {
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server = mkOption {
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description = "Kubernetes apiserver server address";
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default = "http://${cfg.apiserver.address}:${toString cfg.apiserver.port}";
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type = types.str;
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};
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caFile = mkOption {
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description = "Certificate authrority file to use to connect to kuberentes apiserver";
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type = types.nullOr types.path;
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default = null;
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};
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certFile = mkOption {
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description = "Client certificate file to use to connect to kubernetes";
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type = types.nullOr types.path;
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default = null;
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};
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keyFile = mkOption {
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description = "Client key file to use to connect to kubernetes";
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type = types.nullOr types.path;
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default = null;
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};
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};
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dataDir = mkOption {
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description = "Kubernetes root directory for managing kubelet files.";
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default = "/var/lib/kubernetes";
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type = types.path;
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};
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apiserver = {
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enable = mkOption {
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description = "Whether to enable kubernetes apiserver.";
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default = false;
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type = types.bool;
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};
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address = mkOption {
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description = "Kubernetes apiserver listening address.";
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default = "127.0.0.1";
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type = types.str;
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};
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publicAddress = mkOption {
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description = ''
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Kubernetes apiserver public listening address used for read only and
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secure port.
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'';
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default = cfg.apiserver.address;
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type = types.str;
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};
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advertiseAddress = mkOption {
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description = ''
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Kubernetes apiserver IP address on which to advertise the apiserver
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to members of the cluster. This address must be reachable by the rest
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of the cluster.
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'';
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default = null;
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type = types.nullOr types.str;
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};
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port = mkOption {
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description = "Kubernetes apiserver listening port.";
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default = 8080;
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type = types.int;
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};
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securePort = mkOption {
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description = "Kubernetes apiserver secure port.";
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default = 443;
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type = types.int;
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};
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tlsCertFile = mkOption {
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description = "Kubernetes apiserver certificate file.";
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default = null;
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type = types.nullOr types.path;
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};
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tlsKeyFile = mkOption {
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description = "Kubernetes apiserver private key file.";
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default = null;
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type = types.nullOr types.path;
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};
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clientCaFile = mkOption {
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description = "Kubernetes apiserver CA file for client auth.";
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default = null;
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type = types.nullOr types.path;
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};
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tokenAuth = mkOption {
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description = ''
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Kubernetes apiserver token authentication file. See
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<link xlink:href="http://kubernetes.io/docs/admin/authentication.html"/>
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'';
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default = null;
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example = ''token,user,uid,"group1,group2,group3"'';
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type = types.nullOr types.lines;
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};
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authorizationMode = mkOption {
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description = ''
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Kubernetes apiserver authorization mode (AlwaysAllow/AlwaysDeny/ABAC). See
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<link xlink:href="http://kubernetes.io/v1.0/docs/admin/authorization.html"/>
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'';
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default = "AlwaysAllow";
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type = types.enum ["AlwaysAllow" "AlwaysDeny" "ABAC"];
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};
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authorizationPolicy = mkOption {
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description = ''
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Kubernetes apiserver authorization policy file. See
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<link xlink:href="http://kubernetes.io/v1.0/docs/admin/authorization.html"/>
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'';
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default = [];
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example = literalExample ''
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[
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{user = "admin";}
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{user = "scheduler"; readonly = true; kind= "pods";}
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{user = "scheduler"; kind = "bindings";}
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{user = "kubelet"; readonly = true; kind = "bindings";}
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{user = "kubelet"; kind = "events";}
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{user= "alice"; ns = "projectCaribou";}
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{user = "bob"; readonly = true; ns = "projectCaribou";}
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]
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'';
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type = types.listOf types.attrs;
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};
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allowPrivileged = mkOption {
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description = "Whether to allow privileged containers on kubernetes.";
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default = true;
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type = types.bool;
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};
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portalNet = mkOption {
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description = "Kubernetes CIDR notation IP range from which to assign portal IPs";
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default = "10.10.10.10/24";
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type = types.str;
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};
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runtimeConfig = mkOption {
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description = ''
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Api runtime configuration. See
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<link xlink:href="http://kubernetes.io/v1.0/docs/admin/cluster-management.html"/>
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'';
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default = "";
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example = "api/all=false,api/v1=true";
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type = types.str;
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};
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admissionControl = mkOption {
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description = ''
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Kubernetes admission control plugins to use. See
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<link xlink:href="http://kubernetes.io/docs/admin/admission-controllers/"/>
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'';
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default = ["NamespaceLifecycle" "LimitRanger" "ServiceAccount" "ResourceQuota"];
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example = [
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"NamespaceLifecycle" "NamespaceExists" "LimitRanger"
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"SecurityContextDeny" "ServiceAccount" "ResourceQuota"
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];
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type = types.listOf types.str;
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};
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serviceAccountKeyFile = mkOption {
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description = ''
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Kubernetes apiserver PEM-encoded x509 RSA private or public key file,
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used to verify ServiceAccount tokens. By default tls private key file
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is used.
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'';
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default = null;
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type = types.nullOr types.path;
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};
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kubeletClientCaFile = mkOption {
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description = "Path to a cert file for connecting to kubelet";
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default = null;
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type = types.nullOr types.path;
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};
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kubeletClientCertFile = mkOption {
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description = "Client certificate to use for connections to kubelet";
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default = null;
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type = types.nullOr types.path;
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};
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kubeletClientKeyFile = mkOption {
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description = "Key to use for connections to kubelet";
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default = null;
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type = types.nullOr types.path;
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};
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kubeletHttps = mkOption {
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description = "Whether to use https for connections to kubelet";
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default = true;
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type = types.bool;
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};
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extraOpts = mkOption {
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description = "Kubernetes apiserver extra command line options.";
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default = "";
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type = types.str;
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};
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};
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scheduler = {
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enable = mkOption {
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description = "Whether to enable kubernetes scheduler.";
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default = false;
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type = types.bool;
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};
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address = mkOption {
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description = "Kubernetes scheduler listening address.";
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default = "127.0.0.1";
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type = types.str;
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};
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port = mkOption {
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description = "Kubernetes scheduler listening port.";
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default = 10251;
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type = types.int;
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};
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leaderElect = mkOption {
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description = "Whether to start leader election before executing main loop";
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type = types.bool;
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default = false;
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};
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extraOpts = mkOption {
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description = "Kubernetes scheduler extra command line options.";
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default = "";
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type = types.str;
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};
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};
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controllerManager = {
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enable = mkOption {
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description = "Whether to enable kubernetes controller manager.";
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default = false;
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type = types.bool;
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};
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address = mkOption {
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description = "Kubernetes controller manager listening address.";
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default = "127.0.0.1";
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type = types.str;
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};
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port = mkOption {
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description = "Kubernetes controller manager listening port.";
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default = 10252;
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type = types.int;
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};
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leaderElect = mkOption {
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description = "Whether to start leader election before executing main loop";
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type = types.bool;
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default = false;
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};
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serviceAccountKeyFile = mkOption {
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description = ''
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Kubernetes controller manager PEM-encoded private RSA key file used to
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sign service account tokens
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'';
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default = null;
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type = types.nullOr types.path;
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};
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rootCaFile = mkOption {
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description = ''
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Kubernetes controller manager certificate authority file included in
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service account's token secret.
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'';
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default = null;
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type = types.nullOr types.path;
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};
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clusterCidr = mkOption {
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description = "Kubernetes controller manager CIDR Range for Pods in cluster";
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default = "10.10.0.0/16";
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type = types.str;
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};
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extraOpts = mkOption {
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description = "Kubernetes controller manager extra command line options.";
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default = "";
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type = types.str;
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};
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};
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kubelet = {
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enable = mkOption {
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description = "Whether to enable kubernetes kubelet.";
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default = false;
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type = types.bool;
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};
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registerNode = mkOption {
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description = "Whether to auto register kubelet with API server.";
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default = true;
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type = types.bool;
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};
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registerSchedulable = mkOption {
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description = "Register the node as schedulable. No-op if register-node is false.";
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default = true;
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type = types.bool;
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};
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address = mkOption {
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description = "Kubernetes kubelet info server listening address.";
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default = "0.0.0.0";
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type = types.str;
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};
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port = mkOption {
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description = "Kubernetes kubelet info server listening port.";
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default = 10250;
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type = types.int;
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};
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tlsCertFile = mkOption {
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description = "File containing x509 Certificate for HTTPS.";
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default = null;
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type = types.nullOr types.path;
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};
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tlsKeyFile = mkOption {
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description = "File containing x509 private key matching tlsCertFile.";
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default = null;
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type = types.nullOr types.path;
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};
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healthz = {
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bind = mkOption {
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description = "Kubernetes kubelet healthz listening address.";
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default = "127.0.0.1";
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type = types.str;
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};
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port = mkOption {
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description = "Kubernetes kubelet healthz port.";
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default = 10248;
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type = types.int;
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};
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};
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hostname = mkOption {
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description = "Kubernetes kubelet hostname override";
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default = config.networking.hostName;
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type = types.str;
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};
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allowPrivileged = mkOption {
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description = "Whether to allow kubernetes containers to request privileged mode.";
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default = true;
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type = types.bool;
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};
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cadvisorPort = mkOption {
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description = "Kubernetes kubelet local cadvisor port.";
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default = 4194;
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type = types.int;
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};
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clusterDns = mkOption {
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description = "Use alternative dns.";
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default = "10.10.0.1";
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type = types.str;
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};
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clusterDomain = mkOption {
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description = "Use alternative domain.";
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default = "cluster.local";
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type = types.str;
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};
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networkPlugin = mkOption {
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description = "Network plugin to use by kubernetes";
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type = types.nullOr (types.enum ["cni" "kubenet"]);
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default = "kubenet";
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};
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cni = {
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packages = mkOption {
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description = "List of network plugin packages to install";
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type = types.listOf types.package;
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default = [];
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};
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config = mkOption {
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description = "Kubernetes CNI configuration";
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type = types.listOf types.attrs;
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default = [];
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example = literalExample ''
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[{
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"cniVersion": "0.2.0",
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"name": "mynet",
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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": "10.22.0.0/16",
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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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"cniVersion": "0.2.0",
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"type": "loopback"
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}]
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'';
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};
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};
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manifests = mkOption {
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description = "List of manifests to bootstrap with kubelet";
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type = types.attrsOf types.attrs;
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default = {};
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};
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extraOpts = mkOption {
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description = "Kubernetes kubelet extra command line options.";
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default = "";
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type = types.str;
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};
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};
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proxy = {
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enable = mkOption {
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description = "Whether to enable kubernetes proxy.";
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default = false;
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type = types.bool;
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};
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address = mkOption {
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description = "Kubernetes proxy listening address.";
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default = "0.0.0.0";
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type = types.str;
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};
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extraOpts = mkOption {
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description = "Kubernetes proxy extra command line options.";
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default = "";
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type = types.str;
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};
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};
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dns = {
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enable = mkEnableOption "kubernetes dns service.";
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port = mkOption {
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description = "Kubernetes dns listening port";
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default = 53;
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type = types.int;
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};
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domain = mkOption {
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description = "Kuberntes dns domain under which to create names.";
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default = cfg.kubelet.clusterDomain;
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type = types.str;
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};
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extraOpts = mkOption {
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description = "Kubernetes dns extra command line options.";
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default = "";
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type = types.str;
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};
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};
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};
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|
|
###### implementation
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|
|
config = mkMerge [
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(mkIf cfg.kubelet.enable {
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systemd.services.kubelet = {
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description = "Kubernetes Kubelet Service";
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wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" "docker.service" "kube-apiserver.service" ];
|
|
path = with pkgs; [ gitMinimal openssh docker utillinux iproute ethtool thin-provisioning-tools iptables ];
|
|
preStart = ''
|
|
docker load < ${infraContainer}
|
|
rm /opt/cni/bin/* || true
|
|
${concatMapStringsSep "\n" (p: "ln -fs ${p.plugins}/* /opt/cni/bin") cfg.kubelet.cni.packages}
|
|
'';
|
|
serviceConfig = {
|
|
ExecStart = ''${cfg.package}/bin/kubelet \
|
|
--pod-manifest-path=${manifests} \
|
|
--kubeconfig=${kubeconfig} \
|
|
--require-kubeconfig \
|
|
--address=${cfg.kubelet.address} \
|
|
--port=${toString cfg.kubelet.port} \
|
|
--register-node=${if cfg.kubelet.registerNode then "true" else "false"} \
|
|
--register-schedulable=${if cfg.kubelet.registerSchedulable then "true" else "false"} \
|
|
${optionalString (cfg.kubelet.tlsCertFile != null)
|
|
"--tls-cert-file=${cfg.kubelet.tlsCertFile}"} \
|
|
${optionalString (cfg.kubelet.tlsKeyFile != null)
|
|
"--tls-private-key-file=${cfg.kubelet.tlsKeyFile}"} \
|
|
--healthz-bind-address=${cfg.kubelet.healthz.bind} \
|
|
--healthz-port=${toString cfg.kubelet.healthz.port} \
|
|
--hostname-override=${cfg.kubelet.hostname} \
|
|
--allow-privileged=${if cfg.kubelet.allowPrivileged then "true" else "false"} \
|
|
--root-dir=${cfg.dataDir} \
|
|
--cadvisor_port=${toString cfg.kubelet.cadvisorPort} \
|
|
${optionalString (cfg.kubelet.clusterDns != "")
|
|
"--cluster-dns=${cfg.kubelet.clusterDns}"} \
|
|
${optionalString (cfg.kubelet.clusterDomain != "")
|
|
"--cluster-domain=${cfg.kubelet.clusterDomain}"} \
|
|
--pod-infra-container-image=pause \
|
|
${optionalString (cfg.kubelet.networkPlugin != null)
|
|
"--network-plugin=${cfg.kubelet.networkPlugin}"} \
|
|
--cni-conf-dir=${cniConfig} \
|
|
--reconcile-cidr \
|
|
--hairpin-mode=hairpin-veth \
|
|
${optionalString cfg.verbose "--v=6 --log_flush_frequency=1s"} \
|
|
${cfg.kubelet.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
};
|
|
};
|
|
|
|
environment.etc = mapAttrs' (name: manifest:
|
|
nameValuePair "kubernetes/manifests/${name}.json" {
|
|
text = builtins.toJSON manifest;
|
|
mode = "0755";
|
|
}
|
|
) cfg.kubelet.manifests;
|
|
|
|
# Allways include cni plugins
|
|
services.kubernetes.kubelet.cni.packages = [pkgs.cni];
|
|
})
|
|
|
|
(mkIf cfg.apiserver.enable {
|
|
systemd.services.kube-apiserver = {
|
|
description = "Kubernetes Kubelet Service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" "docker.service" ];
|
|
serviceConfig = {
|
|
ExecStart = ''${cfg.package}/bin/kube-apiserver \
|
|
--etcd-servers=${concatStringsSep "," cfg.etcd.servers} \
|
|
${optionalString (cfg.etcd.caFile != null)
|
|
"--etcd-cafile=${cfg.etcd.caFile}"} \
|
|
${optionalString (cfg.etcd.certFile != null)
|
|
"--etcd-certfile=${cfg.etcd.certFile}"} \
|
|
${optionalString (cfg.etcd.keyFile != null)
|
|
"--etcd-keyfile=${cfg.etcd.keyFile}"} \
|
|
--insecure-port=${toString cfg.apiserver.port} \
|
|
--bind-address=0.0.0.0 \
|
|
${optionalString (cfg.apiserver.advertiseAddress != null)
|
|
"--advertise-address=${cfg.apiserver.advertiseAddress}"} \
|
|
--allow-privileged=${if cfg.apiserver.allowPrivileged then "true" else "false"} \
|
|
${optionalString (cfg.apiserver.tlsCertFile != null)
|
|
"--tls-cert-file=${cfg.apiserver.tlsCertFile}"} \
|
|
${optionalString (cfg.apiserver.tlsKeyFile != null)
|
|
"--tls-private-key-file=${cfg.apiserver.tlsKeyFile}"} \
|
|
${optionalString (cfg.apiserver.tokenAuth != null)
|
|
"--token-auth-file=${cfg.apiserver.tokenAuth}"} \
|
|
--kubelet-https=${if cfg.apiserver.kubeletHttps then "true" else "false"} \
|
|
${optionalString (cfg.apiserver.kubeletClientCaFile != null)
|
|
"--kubelet-certificate-authority=${cfg.apiserver.kubeletClientCaFile}"} \
|
|
${optionalString (cfg.apiserver.kubeletClientCertFile != null)
|
|
"--kubelet-client-certificate=${cfg.apiserver.kubeletClientCertFile}"} \
|
|
${optionalString (cfg.apiserver.kubeletClientKeyFile != null)
|
|
"--kubelet-client-key=${cfg.apiserver.kubeletClientKeyFile}"} \
|
|
${optionalString (cfg.apiserver.clientCaFile != null)
|
|
"--client-ca-file=${cfg.apiserver.clientCaFile}"} \
|
|
--authorization-mode=${cfg.apiserver.authorizationMode} \
|
|
${optionalString (cfg.apiserver.authorizationMode == "ABAC")
|
|
"--authorization-policy-file=${policyFile}"} \
|
|
--secure-port=${toString cfg.apiserver.securePort} \
|
|
--service-cluster-ip-range=${cfg.apiserver.portalNet} \
|
|
${optionalString (cfg.apiserver.runtimeConfig != "")
|
|
"--runtime-config=${cfg.apiserver.runtimeConfig}"} \
|
|
--admission_control=${concatStringsSep "," cfg.apiserver.admissionControl} \
|
|
${optionalString (cfg.apiserver.serviceAccountKeyFile!=null)
|
|
"--service-account-key-file=${cfg.apiserver.serviceAccountKeyFile}"} \
|
|
${optionalString cfg.verbose "--v=6"} \
|
|
${optionalString cfg.verbose "--log-flush-frequency=1s"} \
|
|
${cfg.apiserver.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
User = "kubernetes";
|
|
Group = "kubernetes";
|
|
AmbientCapabilities = "cap_net_bind_service";
|
|
Restart = "on-failure";
|
|
RestartSec = 5;
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf cfg.scheduler.enable {
|
|
systemd.services.kube-scheduler = {
|
|
description = "Kubernetes Scheduler Service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "kube-apiserver.service" ];
|
|
serviceConfig = {
|
|
ExecStart = ''${cfg.package}/bin/kube-scheduler \
|
|
--address=${cfg.scheduler.address} \
|
|
--port=${toString cfg.scheduler.port} \
|
|
--leader-elect=${if cfg.scheduler.leaderElect then "true" else "false"} \
|
|
--kubeconfig=${kubeconfig} \
|
|
${optionalString cfg.verbose "--v=6"} \
|
|
${optionalString cfg.verbose "--log-flush-frequency=1s"} \
|
|
${cfg.scheduler.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
User = "kubernetes";
|
|
Group = "kubernetes";
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf cfg.controllerManager.enable {
|
|
systemd.services.kube-controller-manager = {
|
|
description = "Kubernetes Controller Manager Service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "kube-apiserver.service" ];
|
|
serviceConfig = {
|
|
RestartSec = "30s";
|
|
Restart = "on-failure";
|
|
ExecStart = ''${cfg.package}/bin/kube-controller-manager \
|
|
--address=${cfg.controllerManager.address} \
|
|
--port=${toString cfg.controllerManager.port} \
|
|
--kubeconfig=${kubeconfig} \
|
|
--leader-elect=${if cfg.controllerManager.leaderElect then "true" else "false"} \
|
|
${if (cfg.controllerManager.serviceAccountKeyFile!=null)
|
|
then "--service-account-private-key-file=${cfg.controllerManager.serviceAccountKeyFile}"
|
|
else "--service-account-private-key-file=/var/run/kubernetes/apiserver.key"} \
|
|
${optionalString (cfg.controllerManager.rootCaFile!=null)
|
|
"--root-ca-file=${cfg.controllerManager.rootCaFile}"} \
|
|
${optionalString (cfg.controllerManager.clusterCidr!=null)
|
|
"--cluster-cidr=${cfg.controllerManager.clusterCidr}"} \
|
|
--allocate-node-cidrs=true \
|
|
${optionalString cfg.verbose "--v=6"} \
|
|
${optionalString cfg.verbose "--log-flush-frequency=1s"} \
|
|
${cfg.controllerManager.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
User = "kubernetes";
|
|
Group = "kubernetes";
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf cfg.proxy.enable {
|
|
systemd.services.kube-proxy = {
|
|
description = "Kubernetes Proxy Service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "kube-apiserver.service" ];
|
|
path = [pkgs.iptables];
|
|
serviceConfig = {
|
|
ExecStart = ''${cfg.package}/bin/kube-proxy \
|
|
--kubeconfig=${kubeconfig} \
|
|
--bind-address=${cfg.proxy.address} \
|
|
${optionalString cfg.verbose "--v=6"} \
|
|
${optionalString cfg.verbose "--log-flush-frequency=1s"} \
|
|
${cfg.controllerManager.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf cfg.dns.enable {
|
|
systemd.services.kube-dns = {
|
|
description = "Kubernetes Dns Service";
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "kube-apiserver.service" ];
|
|
serviceConfig = {
|
|
ExecStart = ''${cfg.package}/bin/kube-dns \
|
|
--kubecfg-file=${kubeconfig} \
|
|
--dns-port=${toString cfg.dns.port} \
|
|
--domain=${cfg.dns.domain} \
|
|
${optionalString cfg.verbose "--v=6"} \
|
|
${optionalString cfg.verbose "--log-flush-frequency=1s"} \
|
|
${cfg.dns.extraOpts}
|
|
'';
|
|
WorkingDirectory = cfg.dataDir;
|
|
User = "kubernetes";
|
|
Group = "kubernetes";
|
|
AmbientCapabilities = "cap_net_bind_service";
|
|
SendSIGHUP = true;
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf cfg.kubelet.enable {
|
|
boot.kernelModules = ["br_netfilter"];
|
|
})
|
|
|
|
(mkIf (any (el: el == "master") cfg.roles) {
|
|
virtualisation.docker.enable = mkDefault true;
|
|
services.kubernetes.kubelet.enable = mkDefault true;
|
|
services.kubernetes.kubelet.allowPrivileged = mkDefault true;
|
|
services.kubernetes.apiserver.enable = mkDefault true;
|
|
services.kubernetes.scheduler.enable = mkDefault true;
|
|
services.kubernetes.controllerManager.enable = mkDefault true;
|
|
services.etcd.enable = mkDefault (cfg.etcd.servers == ["http://127.0.0.1:2379"]);
|
|
})
|
|
|
|
(mkIf (any (el: el == "node") cfg.roles) {
|
|
virtualisation.docker.enable = mkDefault true;
|
|
virtualisation.docker.logDriver = mkDefault "json-file";
|
|
services.kubernetes.kubelet.enable = mkDefault true;
|
|
services.kubernetes.proxy.enable = mkDefault true;
|
|
services.kubernetes.dns.enable = mkDefault true;
|
|
})
|
|
|
|
(mkIf (
|
|
cfg.apiserver.enable ||
|
|
cfg.scheduler.enable ||
|
|
cfg.controllerManager.enable ||
|
|
cfg.kubelet.enable ||
|
|
cfg.proxy.enable ||
|
|
cfg.dns.enable
|
|
) {
|
|
systemd.tmpfiles.rules = [
|
|
"d /opt/cni/bin 0755 root root -"
|
|
"d /var/run/kubernetes 0755 kubernetes kubernetes -"
|
|
"d /var/lib/kubernetes 0755 kubernetes kubernetes -"
|
|
];
|
|
|
|
environment.systemPackages = [ cfg.package ];
|
|
users.extraUsers = singleton {
|
|
name = "kubernetes";
|
|
uid = config.ids.uids.kubernetes;
|
|
description = "Kubernetes user";
|
|
extraGroups = [ "docker" ];
|
|
group = "kubernetes";
|
|
home = cfg.dataDir;
|
|
createHome = true;
|
|
};
|
|
users.extraGroups.kubernetes.gid = config.ids.gids.kubernetes;
|
|
})
|
|
];
|
|
}
|