mirror of
https://github.com/NixOS/nixpkgs.git
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709b6f664e
* Fix reference CNI plugins * The plugins were split out of the upstream cni repo around version 0.6.0 * Fix RBAC and DNS tests * Fix broken apiVersion fields * Change plugin linking to look in ${package}/bin rather than ${package.plugins} * Initial work towards a working e2e test * Test still fails, but at least the expression evaluates now Continues @srhb's work in #37199 Fixes #37199
220 lines
5.9 KiB
Nix
220 lines
5.9 KiB
Nix
{
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pkgs ? import <nixpkgs> {},
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internalDomain ? "cloud.yourdomain.net",
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externalDomain ? "myawesomecluster.cluster.yourdomain.net",
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serviceClusterIp ? "10.0.0.1",
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kubelets
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}:
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let
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runWithCFSSL = name: cmd:
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let secrets = pkgs.runCommand "${name}-cfss.json" {
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buildInputs = [ pkgs.cfssl pkgs.jq ];
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outputs = [ "out" "cert" "key" "csr" ];
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}
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''
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(
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echo "${cmd}"
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cfssl ${cmd} > tmp
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cat tmp | jq -r .key > $key
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cat tmp | jq -r .cert > $cert
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cat tmp | jq -r .csr > $csr
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touch $out
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) 2>&1 | fold -w 80 -s
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'';
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in {
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key = secrets.key;
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cert = secrets.cert;
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csr = secrets.csr;
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};
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writeCFSSL = content:
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pkgs.runCommand content.name {
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buildInputs = [ pkgs.cfssl pkgs.jq ];
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} ''
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mkdir -p $out
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cd $out
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json=${pkgs.lib.escapeShellArg (builtins.toJSON content)}
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# for a given $field in the $json, treat the associated value as a
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# file path and substitute the contents thereof into the $json
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# object.
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expandFileField() {
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local field=$1
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if jq -e --arg field "$field" 'has($field)'; then
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local path="$(echo "$json" | jq -r ".$field")"
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json="$(echo "$json" | jq --arg val "$(cat "$path")" ".$field = \$val")"
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fi
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}
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expandFileField key
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expandFileField ca
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expandFileField cert
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echo "$json" | cfssljson -bare ${content.name}
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'';
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noCSR = content: pkgs.lib.filterAttrs (n: v: n != "csr") content;
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noKey = content: pkgs.lib.filterAttrs (n: v: n != "key") content;
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writeFile = content:
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if pkgs.lib.isDerivation content
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then content
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else pkgs.writeText "content" (builtins.toJSON content);
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createServingCertKey = { ca, cn, hosts? [], size ? 2048, name ? cn }:
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noCSR (
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(runWithCFSSL name "gencert -ca=${writeFile ca.cert} -ca-key=${writeFile ca.key} -profile=server -config=${writeFile ca.config} ${writeFile {
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CN = cn;
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hosts = hosts;
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key = { algo = "rsa"; inherit size; };
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}}") // { inherit name; }
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);
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createClientCertKey = { ca, cn, groups ? [], size ? 2048, name ? cn }:
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noCSR (
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(runWithCFSSL name "gencert -ca=${writeFile ca.cert} -ca-key=${writeFile ca.key} -profile=client -config=${writeFile ca.config} ${writeFile {
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CN = cn;
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names = map (group: {O = group;}) groups;
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hosts = [""];
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key = { algo = "rsa"; inherit size; };
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}}") // { inherit name; }
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);
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createSigningCertKey = { C ? "xx", ST ? "x", L ? "x", O ? "x", OU ? "x", CN ? "ca", emailAddress ? "x", expiry ? "43800h", size ? 2048, name ? CN }:
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(noCSR (runWithCFSSL CN "genkey -initca ${writeFile {
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key = { algo = "rsa"; inherit size; };
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names = [{ inherit C ST L O OU CN emailAddress; }];
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}}")) // {
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inherit name;
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config.signing = {
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default.expiry = expiry;
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profiles = {
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server = {
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inherit expiry;
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usages = [
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"signing"
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"key encipherment"
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"server auth"
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];
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};
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client = {
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inherit expiry;
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usages = [
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"signing"
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"key encipherment"
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"client auth"
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];
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};
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peer = {
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inherit expiry;
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usages = [
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"signing"
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"key encipherment"
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"server auth"
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"client auth"
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];
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};
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};
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};
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};
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ca = createSigningCertKey {};
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kube-apiserver = createServingCertKey {
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inherit ca;
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cn = "kube-apiserver";
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hosts = ["kubernetes.default" "kubernetes.default.svc" "localhost" "api.${externalDomain}" serviceClusterIp];
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};
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kubelet = createServingCertKey {
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inherit ca;
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cn = "kubelet";
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hosts = ["*.${externalDomain}"];
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};
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service-accounts = createServingCertKey {
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inherit ca;
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cn = "kube-service-accounts";
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};
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etcd = createServingCertKey {
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inherit ca;
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cn = "etcd";
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hosts = ["etcd.${externalDomain}"];
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};
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etcd-client = createClientCertKey {
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inherit ca;
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cn = "etcd-client";
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};
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kubelet-client = createClientCertKey {
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inherit ca;
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cn = "kubelet-client";
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groups = ["system:masters"];
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};
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apiserver-client = {
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kubelet = hostname: createClientCertKey {
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inherit ca;
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name = "apiserver-client-kubelet-${hostname}";
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cn = "system:node:${hostname}.${externalDomain}";
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groups = ["system:nodes"];
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};
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kube-proxy = createClientCertKey {
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inherit ca;
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name = "apiserver-client-kube-proxy";
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cn = "system:kube-proxy";
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groups = ["system:kube-proxy" "system:nodes"];
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};
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kube-controller-manager = createClientCertKey {
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inherit ca;
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name = "apiserver-client-kube-controller-manager";
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cn = "system:kube-controller-manager";
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groups = ["system:masters"];
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};
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kube-scheduler = createClientCertKey {
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inherit ca;
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name = "apiserver-client-kube-scheduler";
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cn = "system:kube-scheduler";
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groups = ["system:kube-scheduler"];
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};
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admin = createClientCertKey {
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inherit ca;
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cn = "admin";
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groups = ["system:masters"];
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};
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};
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in {
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master = pkgs.buildEnv {
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name = "master-keys";
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paths = [
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(writeCFSSL (noKey ca))
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(writeCFSSL kube-apiserver)
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(writeCFSSL kubelet-client)
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(writeCFSSL apiserver-client.kube-controller-manager)
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(writeCFSSL apiserver-client.kube-scheduler)
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(writeCFSSL service-accounts)
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(writeCFSSL etcd)
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];
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};
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worker = pkgs.buildEnv {
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name = "worker-keys";
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paths = [
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(writeCFSSL (noKey ca))
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(writeCFSSL kubelet)
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(writeCFSSL apiserver-client.kube-proxy)
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(writeCFSSL etcd-client)
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] ++ map (hostname: writeCFSSL (apiserver-client.kubelet hostname)) kubelets;
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};
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admin = writeCFSSL apiserver-client.admin;
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}
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