| # Vendored from nixpkgs git 44ad80ab1036c5cc83ada4bfa451dac9939f2a10 |
| # Copyright (c) 2003-2023 Eelco Dolstra and the Nixpkgs/NixOS contributors |
| # SPDX-License-Identifier: MIT |
| |
| { config, lib, pkgs, ... }: |
| |
| with lib; |
| |
| let |
| top = config.services.kubernetes; |
| cfg = top.scheduler; |
| in |
| { |
| ###### interface |
| options.services.kubernetes.scheduler = with lib.types; { |
| |
| address = mkOption { |
| description = "Kubernetes scheduler listening address."; |
| default = "127.0.0.1"; |
| type = str; |
| }; |
| |
| enable = mkEnableOption "Kubernetes scheduler"; |
| |
| extraOpts = mkOption { |
| description = "Kubernetes scheduler extra command line options."; |
| default = ""; |
| type = str; |
| }; |
| |
| featureGates = mkOption { |
| description = "List set of feature gates"; |
| default = top.featureGates; |
| type = listOf str; |
| }; |
| |
| kubeconfig = top.lib.mkKubeConfigOptions "Kubernetes scheduler"; |
| |
| leaderElect = mkOption { |
| description = "Whether to start leader election before executing main loop."; |
| type = bool; |
| default = true; |
| }; |
| |
| port = mkOption { |
| description = "Kubernetes scheduler listening port."; |
| default = 10251; |
| type = int; |
| }; |
| |
| 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-scheduler = { |
| description = "Kubernetes Scheduler Service"; |
| wantedBy = [ "kubernetes.target" ]; |
| after = [ "kube-apiserver.service" ]; |
| serviceConfig = { |
| Slice = "kubernetes.slice"; |
| ExecStart = ''${top.package}/bin/kube-scheduler \ |
| --address=${cfg.address} \ |
| ${optionalString (cfg.featureGates != []) |
| "--feature-gates=${concatMapStringsSep "," (feature: "${feature}=true") cfg.featureGates}"} \ |
| --kubeconfig=${top.lib.mkKubeConfig "kube-scheduler" cfg.kubeconfig} \ |
| --leader-elect=${boolToString cfg.leaderElect} \ |
| --port=${toString cfg.port} \ |
| ${optionalString (cfg.verbosity != null) "--v=${toString cfg.verbosity}"} \ |
| ${cfg.extraOpts} |
| ''; |
| WorkingDirectory = top.dataDir; |
| User = "kubernetes"; |
| Group = "kubernetes"; |
| Restart = "on-failure"; |
| RestartSec = 5; |
| }; |
| }; |
| |
| services.kubernetes.pki.certs = { |
| schedulerClient = top.lib.mkCert { |
| name = "kube-scheduler-client"; |
| CN = "system:kube-scheduler"; |
| action = "systemctl restart kube-scheduler.service"; |
| }; |
| }; |
| |
| services.kubernetes.scheduler.kubeconfig.server = mkDefault top.apiserverAddress; |
| }; |
| } |