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{ config, lib, pkgs, ... }:
with lib;
let
top = config.services.kubernetes;
cfg = top.controllerManager;
in
{
imports = [
(mkRenamedOptionModule [ "services" "kubernetes" "controllerManager" "address" ] ["services" "kubernetes" "controllerManager" "bindAddress"])
(mkRenamedOptionModule [ "services" "kubernetes" "controllerManager" "port" ] ["services" "kubernetes" "controllerManager" "insecurePort"])
];
###### interface
options.services.kubernetes.controllerManager = with lib.types; {
allocateNodeCIDRs = mkOption {
description = "Whether to automatically allocate CIDR ranges for cluster nodes.";
default = true;
type = bool;
};
bindAddress = mkOption {
description = "Kubernetes controller manager listening address.";
default = "127.0.0.1";
type = str;
};
clusterCidr = mkOption {
description = "Kubernetes CIDR Range for Pods in cluster.";
default = top.clusterCidr;
type = str;
};
enable = mkEnableOption "Kubernetes controller manager";
extraOpts = mkOption {
description = "Kubernetes controller manager extra command line options.";
default = "";
type = str;
};
featureGates = mkOption {
description = "List set of feature gates";
default = top.featureGates;
type = listOf str;
};
insecurePort = mkOption {
description = "Kubernetes controller manager insecure listening port.";
default = 0;
type = int;
};
kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes controller manager";
leaderElect = mkOption {
description = "Whether to start leader election before executing main loop.";
type = bool;
default = true;
};
rootCaFile = mkOption {
description = ''
Kubernetes controller manager certificate authority file included in
service account's token secret.
'';
default = top.caFile;
type = nullOr path;
};
securePort = mkOption {
description = "Kubernetes controller manager secure listening port.";
default = 10252;
type = int;
};
serviceAccountKeyFile = mkOption {
description = ''
Kubernetes controller manager PEM-encoded private RSA key file used to
sign service account tokens
'';
default = null;
type = nullOr path;
};
tlsCertFile = mkOption {
description = "Kubernetes controller-manager certificate file.";
default = null;
type = nullOr path;
};
tlsKeyFile = mkOption {
description = "Kubernetes controller-manager private key file.";
default = null;
type = nullOr path;
};
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-controller-manager = {
description = "Kubernetes Controller Manager Service";
wantedBy = [ "kubernetes.target" ];
after = [ "kube-apiserver.service" ];
serviceConfig = {
RestartSec = "30s";
Restart = "on-failure";
Slice = "kubernetes.slice";
ExecStart = ''${top.package}/bin/kube-controller-manager \
--allocate-node-cidrs=${boolToString cfg.allocateNodeCIDRs} \
--bind-address=${cfg.bindAddress} \
${optionalString (cfg.clusterCidr!=null)
"--cluster-cidr=${cfg.clusterCidr}"} \
${optionalString (cfg.featureGates != [])
"--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \
--kubeconfig=${top.lib.mkKubeConfig "kube-controller-manager" cfg.kubeconfig} \
--leader-elect=${boolToString cfg.leaderElect} \
${optionalString (cfg.rootCaFile!=null)
"--root-ca-file=${cfg.rootCaFile}"} \
--port=${toString cfg.insecurePort} \
--secure-port=${toString cfg.securePort} \
${optionalString (cfg.serviceAccountKeyFile!=null)
"--service-account-private-key-file=${cfg.serviceAccountKeyFile}"} \
${optionalString (cfg.tlsCertFile!=null)
"--tls-cert-file=${cfg.tlsCertFile}"} \
${optionalString (cfg.tlsKeyFile!=null)
"--tls-private-key-file=${cfg.tlsKeyFile}"} \
${optionalString (elem "RBAC" top.apiserver.authorizationMode)
"--use-service-account-credentials"} \
${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \
${cfg.extraOpts}
'';
WorkingDirectory = top.dataDir;
User = "kubernetes";
Group = "kubernetes";
};
path = top.path;
};
services.kubernetes.pki.certs = with top.lib; {
controllerManager = mkCert {
name = "kube-controller-manager";
CN = "kube-controller-manager";
action = "systemctl restart kube-controller-manager.service";
};
controllerManagerClient = mkCert {
name = "kube-controller-manager-client";
CN = "system:kube-controller-manager";
action = "systemctl restart kube-controller-manager.service";
};
};
services.kubernetes.controllerManager.kubeconfig.server = mkDefault top.apiserverAddress;
};
}
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