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nixpkgs/nixos/modules/services/cluster/kubernetes/proxy.nix
pennae 2d356a1969 nixos/kubernetes: move all k8s docs out of the sandbox
otherwise the manual won't build.

ideally they'll move back into the sandbox at some point, but we're
obviously not qualified to put them there.
2022-01-08 17:13:27 +10:00

103 lines
3 KiB
Nix

{ config, lib, options, pkgs, ... }:
with lib;
let
top = config.services.kubernetes;
otop = options.services.kubernetes;
cfg = top.proxy;
in
{
imports = [
(mkRenamedOptionModule [ "services" "kubernetes" "proxy" "address" ] ["services" "kubernetes" "proxy" "bindAddress"])
];
###### interface
options.services.kubernetes.proxy = with lib.types; {
bindAddress = mkOption {
description = "Kubernetes proxy listening address.";
default = "0.0.0.0";
type = str;
};
enable = mkEnableOption "Kubernetes proxy";
extraOpts = mkOption {
description = "Kubernetes proxy extra command line options.";
default = "";
type = separatedString " ";
};
featureGates = mkOption {
description = "List set of feature gates";
default = top.featureGates;
defaultText = literalExpression "config.${otop.featureGates}";
type = listOf str;
};
hostname = mkOption {
description = "Kubernetes proxy hostname override.";
default = config.networking.hostName;
defaultText = literalExpression "config.networking.hostName";
type = str;
};
kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes proxy";
verbosity = mkOption {
description = ''
Optional glog verbosity level for logging statements. See
<link xlink:href="https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md"/>
'';
default = null;
type = nullOr int;
};
};
###### implementation
config = mkIf cfg.enable {
systemd.services.kube-proxy = {
description = "Kubernetes Proxy Service";
wantedBy = [ "kubernetes.target" ];
after = [ "kube-apiserver.service" ];
path = with pkgs; [ iptables conntrack-tools ];
serviceConfig = {
Slice = "kubernetes.slice";
ExecStart = ''${top.package}/bin/kube-proxy \
--bind-address=${cfg.bindAddress} \
${optionalString (top.clusterCidr!=null)
"--cluster-cidr=${top.clusterCidr}"} \
${optionalString (cfg.featureGates != [])
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
--hostname-override=${cfg.hostname} \
--kubeconfig=${top.lib.mkKubeConfig "kube-proxy" cfg.kubeconfig} \
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
${cfg.extraOpts}
'';
WorkingDirectory = top.dataDir;
Restart = "on-failure";
RestartSec = 5;
};
unitConfig = {
StartLimitIntervalSec = 0;
};
};
services.kubernetes.proxy.hostname = with config.networking; mkDefault hostName;
services.kubernetes.pki.certs = {
kubeProxyClient = top.lib.mkCert {
name = "kube-proxy-client";
CN = "system:kube-proxy";
action = "systemctl restart kube-proxy.service";
};
};
services.kubernetes.proxy.kubeconfig.server = mkDefault top.apiserverAddress;
};
meta.buildDocsInSandbox = false;
}