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Cleanup pki: control-plane-online

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This commit is contained in:
Christian Albrecht 2019-03-11 11:42:12 +01:00
parent 50c5f489ef
commit 45e683fbd6
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2 changed files with 25 additions and 28 deletions
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47
nixos/modules/services/cluster/kubernetes/default.nix
View File

@ -276,6 +276,30 @@ in {
wantedBy = [ "multi-user.target" ];
};
systemd.targets.kube-control-plane-online = {
wantedBy = [ "kubernetes.target" ];
before = [ "kubernetes.target" ];
};
systemd.services.kube-control-plane-online = rec {
description = "Kubernetes control plane is online";
wantedBy = [ "kube-control-plane-online.target" ];
after = [ "kube-scheduler.service" "kube-controller-manager.service" ];
before = [ "kube-control-plane-online.target" ];
environment.KUBECONFIG = cfg.lib.mkKubeConfig "default" cfg.kubeconfig;
path = [ pkgs.kubectl ];
preStart = ''
until kubectl get --raw=/healthz 2>/dev/null; do
echo kubectl get --raw=/healthz: exit status $?
sleep 3
done
'';
script = "echo Ok";
serviceConfig = {
TimeoutSec = "500";
};
};
systemd.tmpfiles.rules = [
"d /opt/cni/bin 0755 root root -"
"d /run/kubernetes 0755 kubernetes kubernetes -"
@ -300,28 +324,7 @@ in {
then cfg.apiserver.advertiseAddress
else "${cfg.masterAddress}:${toString cfg.apiserver.securePort}"}");
systemd.targets.kube-control-plane-online = {
wantedBy = [ "kubernetes.target" ];
before = [ "kubernetes.target" ];
};
systemd.services.kube-control-plane-online = rec {
description = "Kubernetes control plane is online";
wantedBy = [ "kube-control-plane-online.target" ];
after = [ "kube-scheduler.service" "kube-controller-manager.service" ];
before = [ "kube-control-plane-online.target" ];
preStart = ''
${cfg.lib.mkWaitCurl ( with config.systemd.services.kube-control-plane-online; {
sleep = 3;
path = "/healthz";
cacert = cfg.caFile;
} // optionalAttrs (environment ? cert) { inherit (environment) cert key; })}
'';
script = "echo Ok";
serviceConfig = {
TimeoutSec = "500";
};
};
services.kubernetes.kubeconfig.server = mkDefault cfg.apiserverAddress;
})
];
}

6
nixos/modules/services/cluster/kubernetes/pki.nix
View File

@ -283,12 +283,6 @@ in
};
};
systemd.services.kube-control-plane-online.environment = let
client = with cfg.certs; if top.apiserver.enable then clusterAdmin else kubelet;
in {
inherit (client) cert key;
};
environment.etc.${cfg.etcClusterAdminKubeconfig}.source = mkIf (!isNull cfg.etcClusterAdminKubeconfig)
(top.lib.mkKubeConfig "cluster-admin" clusterAdminKubeconfig);