website/content/en/docs/reference/config-api/kubeadm-config.v1beta4.md

---
title: kubeadm Configuration (v1beta4)
content_type: tool-reference
package: kubeadm.k8s.io/v1beta4
auto_generated: true
---
<h2>Overview</h2>
<p>Package v1beta4 defines the v1beta4 version of the kubeadm configuration file format.
This version improves on the v1beta3 format by fixing some minor issues and adding a few new fields.</p>
<p>A list of changes since v1beta3:</p>
<ul>
<li>TODO https://github.com/kubernetes/kubeadm/issues/2890</li>
<li>Support custom environment variables in control plane components under <code>ClusterConfiguration</code>.
Use <code>apiServer.extraEnvs</code>, <code>controllerManager.extraEnvs</code>, <code>scheduler.extraEnvs</code>,
<code>etcd.local.extraEnvs</code>.</li>
<li>The <code>ResetConfiguration</code> API type is now supported in v1beta4.
Users are able to reset a node by passing a <code>--config</code> file to <code>kubeadm reset</code>.</li>
<li>Dry run mode is now configureable in InitConfiguration and JoinConfiguration.</li>
<li>Replace the existing string/string extra argument maps with structured extra arguments
that support duplicates. The change applies to <code>ClusterConfiguration</code> - <code>apiServer.extraArgs</code>,
<code>controllerManager.extraArgs</code>, <code>scheduler.extraArgs</code>, <code>etcd.local.extraArgs</code>.
Also to <code>nodeRegistration.kubeletExtraArgs</code>.</li>
<li>Add <code>ClusterConfiguration.encryptionAlgorithm</code> that can be used to set the asymmetric
encryption algorithm used for this cluster's keys and certificates. Can be one of
<code>&quot;RSA-2048&quot;</code> (default), <code>&quot;RSA-3072&quot;</code>, <code>&quot;RSA-4096&quot;</code> or <code>&quot;ECDSA-P256&quot;</code>.</li>
<li>Add <code>ClusterConfiguration.dns.disabled</code> and <code>ClusterConfiguration.proxy.disabled</code>
that can be used to disable the CoreDNS and kube-proxy addons during cluster
initialization. Skipping the related addons phases, during cluster creation will
set the same fields to <code>false</code>.</li>
<li>Add the <code>nodeRegistration.imagePullSerial</code> field in <code>InitConfiguration</code> and <code>JoinConfiguration</code>, which
can be used to control if kubeadm pulls images serially or in parallel.</li>
<li>The <code>UpgradeConfiguration</code> kubeadm API is now supported in v1beta4 when passing
<code>--config</code> to <code>kubeadm upgrade</code> subcommands. Usage of component configuration for <code>kubelet</code> and <code>kube-proxy</code>,
<code>InitConfiguration</code> and <code>ClusterConfiguration</code> is deprecated and will be ignored when passing <code>--config</code> to
<code>upgrade</code> subcommands.</li>
<li>Add a <code>Timeouts</code> structure to <code>InitConfiguration</code>, <code>JoinConfiguration</code>, <code>ResetConfiguration</code> and <code>UpgradeConfiguration</code>
that can be used to configure various timeouts.</li>
<li>Add a <code>certificateValidityPeriod</code> and <code>caCertificateValidityPeriod</code> fields to <code>ClusterConfiguration</code>. These fields
can be used to control the validity period of certificates generated by kubeadm during sub-commands such as <code>init</code>,
<code>join</code>, <code>upgrade</code> and <code>certs</code>. Default values continue to be 1 year for non-CA certificates and 10 years for CA
certificates. Only non-CA certificates continue to be renewable by <code>kubeadm certs renew</code>.</li>
</ul>
<h1>Migration from old kubeadm config versions</h1>
<ul>
<li>kubeadm v1.15.x and newer can be used to migrate from v1beta1 to v1beta2.</li>
<li>kubeadm v1.22.x and newer no longer support v1beta1 and older APIs, but can be used to migrate v1beta2 to v1beta3.</li>
<li>kubeadm v1.27.x and newer no longer support v1beta2 and older APIs.</li>
<li>TODO: https://github.com/kubernetes/kubeadm/issues/2890
add version that can be used to convert to v1beta4</li>
</ul>
<h2>Basics</h2>
<p>The preferred way to configure kubeadm is to pass an YAML configuration file with
the <code>--config</code> option. Some of the configuration options defined in the kubeadm
config file are also available as command line flags, but only the most
common/simple use case are supported with this approach.</p>
<p>A kubeadm config file could contain multiple configuration types separated using three dashes (<code>---</code>).</p>
<p>kubeadm supports the following configuration types:</p>
<pre><code>apiVersion: kubeadm.k8s.io/v1beta4
kind: InitConfiguration

apiVersion: kubeadm.k8s.io/v1beta4
kind: ClusterConfiguration

apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration

apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration

apiVersion: kubeadm.k8s.io/v1beta4
kind: JoinConfiguration

apiVersion: kubeadm.k8s.io/v1beta4
kind: ResetConfiguration

apiVersion: kubeadm.k8s.io/v1beta4
kind: UpgradeConfiguration
</code></pre>
<p>To print the defaults for <code>init</code> and <code>join</code> actions use the following commands:</p>
<pre style="background-color:#fff">kubeadm config print init-defaults
kubeadm config print join-defaults
kubeadm config print reset-defaults
kubeadm config print upgrade-defaults
</pre><p>The list of configuration types that must be included in a configuration file depends by the action you are
performing (<code>init</code> or <code>join</code>) and by the configuration options you are going to use (defaults or advanced customization).</p>
<p>If some configuration types are not provided, or provided only partially, kubeadm will use default values; defaults
provided by kubeadm includes also enforcing consistency of values across components when required (e.g.
<code>--cluster-cidr</code> flag on controller manager and <code>clusterCIDR</code> on kube-proxy).</p>
<p>Users are always allowed to override default values, with the only exception of a small subset of setting with
relevance for security (e.g. enforce authorization-mode Node and RBAC on api server).</p>
<p>If the user provides a configuration types that is not expected for the action you are performing, kubeadm will
ignore those types and print a warning.</p>
<h2>Kubeadm init configuration types</h2>
<p>When executing kubeadm init with the <code>--config</code> option, the following configuration types could be used:
InitConfiguration, ClusterConfiguration, KubeProxyConfiguration, KubeletConfiguration, but only one
between InitConfiguration and ClusterConfiguration is mandatory.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>InitConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">bootstrapTokens</span>:<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">nodeRegistration</span>:<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span></pre><p>The InitConfiguration type should be used to configure runtime settings, that in case of kubeadm init
are the configuration of the bootstrap token and all the setting which are specific to the node where kubeadm
is executed, including:</p>
<ul>
<li>
<p>NodeRegistration, that holds fields that relate to registering the new node to the cluster;
use it to customize the node name, the CRI socket to use or any other settings that should apply to this
node only (e.g. the node ip).</p>
</li>
<li>
<p>LocalAPIEndpoint, that represents the endpoint of the instance of the API server to be deployed on this node;
use it e.g. to customize the API server advertise address.</p>
</li>
</ul>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>ClusterConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">networking</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">etcd</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiServer</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>...<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraVolumes</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span></pre><p>The ClusterConfiguration type should be used to configure cluster-wide settings,
including settings for:</p>
<ul>
<li>
<p><code>networking</code> that holds configuration for the networking topology of the cluster; use it e.g. to customize
Pod subnet or services subnet.</p>
</li>
<li>
<p><code>etcd</code>: use it e.g. to customize the local etcd or to configure the API server
for using an external etcd cluster.</p>
</li>
<li>
<p>kube-apiserver, kube-scheduler, kube-controller-manager configurations; use it to customize control-plane
components by adding customized setting or overriding kubeadm default settings.</p>
</li>
</ul>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeproxy.config.k8s.io/v1alpha1<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>KubeProxyConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span></pre><p>The KubeProxyConfiguration type should be used to change the configuration passed to kube-proxy instances deployed
in the cluster. If this object is not provided or provided only partially, kubeadm applies defaults.</p>
<p>See https://kubernetes.io/docs/reference/command-line-tools-reference/kube-proxy/ or
https://pkg.go.dev/k8s.io/kube-proxy/config/v1alpha1#KubeProxyConfiguration
for kube-proxy official documentation.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubelet.config.k8s.io/v1beta1<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>KubeletConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span></pre><p>The KubeletConfiguration type should be used to change the configurations that will be passed to all kubelet instances
deployed in the cluster. If this object is not provided or provided only partially, kubeadm applies defaults.</p>
<p>See https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/ or
https://pkg.go.dev/k8s.io/kubelet/config/v1beta1#KubeletConfiguration
for kubelet official documentation.</p>
<p>Here is a fully populated example of a single YAML file containing multiple
configuration types to be used during a <code>kubeadm init</code> run.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>InitConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">bootstrapTokens</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>- <span style="color:#000;font-weight:bold">token</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;9a08jv.c0izixklcxtmnze7&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">description</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;kubeadm bootstrap token&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">ttl</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;24h&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span>- <span style="color:#000;font-weight:bold">token</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;783bde.3f89s0fje9f38fhf&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">description</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;another bootstrap token&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">usages</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>- authentication<span style="color:#bbb">
</span><span style="color:#bbb">  </span>- signing<span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">groups</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>- system:bootstrappers:kubeadm:default-node-token<span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">nodeRegistration</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;ec2-10-100-0-1&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">criSocket</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;unix:///var/run/containerd/containerd.sock&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">taints</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">key</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;kubeadmNode&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;someValue&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">effect</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;NoSchedule&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">kubeletExtraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>v<span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;5&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">ignorePreflightErrors</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- IsPrivilegedUser<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">imagePullPolicy</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;IfNotPresent&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">imagePullSerial</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">localAPIEndpoint</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">advertiseAddress</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;10.100.0.1&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">bindPort</span>:<span style="color:#bbb"> </span><span style="color:#099">6443</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">certificateKey</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;e6a2eb8581237ab72a4f494f30285ec12a9694d750b9785706a83bfcbbbd2204&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">skipPhases</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>- preflight<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">timeouts</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">controlPlaneComponentHealthCheck</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;60s&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">kubenetesAPICall</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;40s&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span>---<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>ClusterConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">etcd</span>:<span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic"># one of local or external</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">local</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">imageRepository</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;registry.k8s.io&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">imageTag</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;3.2.24&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">dataDir</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/var/lib/etcd&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">extraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">      </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>listen-client-urls<span style="color:#bbb">
</span><span style="color:#bbb">        </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span>http://<span style="color:#099">10.100.0.1</span>:<span style="color:#099">2379</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">extraEnvs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">      </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>SOME_VAR<span style="color:#bbb">
</span><span style="color:#bbb">        </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span>SOME_VALUE<span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">serverCertSANs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">      </span>- <span style="color:#bbb"> </span><span style="color:#d14">&#34;ec2-10-100-0-1.compute-1.amazonaws.com&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">peerCertSANs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">      </span>- <span style="color:#d14">&#34;10.100.0.1&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic"># external:</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#   endpoints:</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#     - &#34;10.100.0.1:2379&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#     - &#34;10.100.0.2:2379&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#   caFile: &#34;/etcd/kubernetes/pki/etcd/etcd-ca.crt&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#   certFile: &#34;/etcd/kubernetes/pki/etcd/etcd.crt&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic">#   keyFile: &#34;/etcd/kubernetes/pki/etcd/etcd.key&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">networking</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">serviceSubnet</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;10.96.0.0/16&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">podSubnet</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;10.244.0.0/24&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">dnsDomain</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;cluster.local&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kubernetesVersion</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;v1.21.0&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">controlPlaneEndpoint</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;10.100.0.1:6443&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiServer</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>authorization-mode<span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;Node,RBAC&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraEnvs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>SOME_VAR<span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span>SOME_VALUE<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraVolumes</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;some-volume&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">hostPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">mountPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-pod-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">readOnly</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">false</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">pathType</span>:<span style="color:#bbb"> </span>File<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">certSANs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#d14">&#34;10.100.1.1&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#d14">&#34;ec2-10-100-0-1.compute-1.amazonaws.com&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">controllerManager</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>node-cidr-mask-size<span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;20&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraVolumes</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;some-volume&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">hostPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">mountPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-pod-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">readOnly</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">false</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">pathType</span>:<span style="color:#bbb"> </span>File<span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">scheduler</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraArgs</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span>address<span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">value</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;10.100.0.1&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">extraVolumes</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span>- <span style="color:#000;font-weight:bold">name</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;some-volume&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">hostPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">mountPath</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/some-pod-path&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">readOnly</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">false</span><span style="color:#bbb">
</span><span style="color:#bbb">      </span><span style="color:#000;font-weight:bold">pathType</span>:<span style="color:#bbb"> </span>File<span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">certificatesDir</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;/etc/kubernetes/pki&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">imageRepository</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;registry.k8s.io&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">clusterName</span>:<span style="color:#bbb"> </span><span style="color:#d14">&#34;example-cluster&#34;</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">encryptionAlgorithm</span>:<span style="color:#bbb"> </span>ECDSA-P256<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">dns</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">disabled</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">  </span><span style="color:#998;font-style:italic"># disable CoreDNS</span><span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">proxy</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">diabled</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">   </span><span style="color:#998;font-style:italic"># disable kube-proxy</span><span style="color:#bbb">
</span><span style="color:#bbb">
</span><span style="color:#bbb"></span>---<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubelet.config.k8s.io/v1beta1<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>KubeletConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#998;font-style:italic"># kubelet specific options here</span><span style="color:#bbb">
</span><span style="color:#bbb"></span>---<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeproxy.config.k8s.io/v1alpha1<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>KubeProxyConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#998;font-style:italic"># kube-proxy specific options here</span><span style="color:#bbb">
</span></pre><h2>Kubeadm join configuration types</h2>
<p>When executing kubeadm join with the --config option, the JoinConfiguration type should be provided.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>JoinConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">discovery</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">bootstrapToken</span>:<span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">apiServerEndpoint</span>:<span style="color:#bbb"> </span>some-address:<span style="color:#099">6443</span><span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">token</span>:<span style="color:#bbb"> </span>abcdef.0123456789abcdef<span style="color:#bbb">
</span><span style="color:#bbb">    </span><span style="color:#000;font-weight:bold">unsafeSkipCAVerification</span>:<span style="color:#bbb"> </span><span style="color:#000;font-weight:bold">true</span><span style="color:#bbb">
</span><span style="color:#bbb">  </span><span style="color:#000;font-weight:bold">tlsBootstrapToken</span>:<span style="color:#bbb"> </span>abcdef.0123456789abcdef<span style="color:#bbb">
</span></pre><p>The JoinConfiguration type should be used to configure runtime settings, that in case of kubeadm join
are the discovery method used for accessing the cluster info and all the setting which are specific
to the node where kubeadm is executed, including:</p>
<ul>
<li>
<p><code>nodeRegistration</code>, that holds fields that relate to registering the new node to the cluster;
use it to customize the node name, the CRI socket to use or any other settings that should apply to this
node only (e.g. the node ip).</p>
</li>
<li>
<p><code>apiEndpoint</code>, that represents the endpoint of the instance of the API server to be eventually deployed on this node.</p>
</li>
</ul>
<h2>Kubeadm reset configuration types</h2>
<p>When executing <code>kubeadm reset</code> with the <code>--config</code> option, the <code>ResetConfiguration</code> type should be provided.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>ResetConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span>...<span style="color:#bbb">
</span></pre><h2>Kubeadm upgrade configuration types</h2>
<p>When executing <code>kubeadm upgrade</code> with the <code>--config</code> option, the <code>UpgradeConfiguration</code> type should be provided.</p>
<pre style="background-color:#fff"><span style="color:#000;font-weight:bold">apiVersion</span>:<span style="color:#bbb"> </span>kubeadm.k8s.io/v1beta4<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">kind</span>:<span style="color:#bbb"> </span>UpgradeConfiguration<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">apply</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">diff</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">node</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span><span style="color:#bbb"></span><span style="color:#000;font-weight:bold">plan</span>:<span style="color:#bbb">
</span><span style="color:#bbb">  </span>...<span style="color:#bbb">
</span></pre><p>The <code>UpgradeConfiguration</code> structure includes a few substructures that only apply to different subcommands of
<code>kubeadm upgrade</code>. For example, the <code>apply</code> substructure will be used with the <code>kubeadm upgrade apply</code> subcommand
and all other substructures will be ignored in such a case.</p>


## Resource Types 


- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)
- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)
- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)
- [ResetConfiguration](#kubeadm-k8s-io-v1beta4-ResetConfiguration)
- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)
  
    
    

## `BootstrapToken`     {#BootstrapToken}
    

**Appears in:**

- [InitConfiguration](#kubeadm-k8s-io-v1beta3-InitConfiguration)

- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)


<p>BootstrapToken describes one bootstrap token, stored as a Secret in the cluster</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>token</code> <B>[Required]</B><br/>
<a href="#BootstrapTokenString"><code>BootstrapTokenString</code></a>
</td>
<td>
   <p><code>token</code> is used for establishing bidirectional trust between nodes and control-planes.
Used for joining nodes in the cluster.</p>
</td>
</tr>
<tr><td><code>description</code><br/>
<code>string</code>
</td>
<td>
   <p><code>description</code> sets a human-friendly message why this token exists and what it's used
for, so other administrators can know its purpose.</p>
</td>
</tr>
<tr><td><code>ttl</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>ttl</code> defines the time to live for this token. Defaults to <code>24h</code>.
<code>expires</code> and <code>ttl</code> are mutually exclusive.</p>
</td>
</tr>
<tr><td><code>expires</code><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#time-v1-meta"><code>meta/v1.Time</code></a>
</td>
<td>
   <p><code>expires</code> specifies the timestamp when this token expires. Defaults to being set
dynamically at runtime based on the <code>ttl</code>. <code>expires</code> and <code>ttl</code> are mutually exclusive.</p>
</td>
</tr>
<tr><td><code>usages</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>usages</code> describes the ways in which this token can be used. Can by default be used
for establishing bidirectional trust, but that can be changed here.</p>
</td>
</tr>
<tr><td><code>groups</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>groups</code> specifies the extra groups that this token will authenticate as when/if
used for authentication</p>
</td>
</tr>
</tbody>
</table>

## `BootstrapTokenString`     {#BootstrapTokenString}
    

**Appears in:**

- [BootstrapToken](#BootstrapToken)


<p>BootstrapTokenString is a token of the format <code>abcdef.abcdef0123456789</code> that is used
for both validation of the practically of the API server from a joining node's point
of view and as an authentication method for the node in the bootstrap phase of
&quot;kubeadm join&quot;. This token is and should be short-lived.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>-</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <span class="text-muted">No description provided.</span></td>
</tr>
<tr><td><code>-</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <span class="text-muted">No description provided.</span></td>
</tr>
</tbody>
</table>
  

## `ClusterConfiguration`     {#kubeadm-k8s-io-v1beta4-ClusterConfiguration}
    


<p>ClusterConfiguration contains cluster-wide configuration for a kubeadm cluster.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
<tr><td><code>apiVersion</code><br/>string</td><td><code>kubeadm.k8s.io/v1beta4</code></td></tr>
<tr><td><code>kind</code><br/>string</td><td><code>ClusterConfiguration</code></td></tr>
    
  
<tr><td><code>etcd</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Etcd"><code>Etcd</code></a>
</td>
<td>
   <p><code>etcd</code> holds the configuration for etcd.</p>
</td>
</tr>
<tr><td><code>networking</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Networking"><code>Networking</code></a>
</td>
<td>
   <p><code>networking</code> holds configuration for the networking topology of the cluster.</p>
</td>
</tr>
<tr><td><code>kubernetesVersion</code><br/>
<code>string</code>
</td>
<td>
   <p><code>kubernetesVersion</code> is the target version of the control plane.</p>
</td>
</tr>
<tr><td><code>controlPlaneEndpoint</code><br/>
<code>string</code>
</td>
<td>
   <p><code>controlPlaneEndpoint</code> sets a stable IP address or DNS name for the control plane;
It can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port.
In case the <code>controlPlaneEndpoint</code> is not specified, the <code>advertiseAddress</code> + <code>bindPort</code>
are used; in case the <code>controlPlaneEndpoint</code> is specified but without a TCP port,
the <code>bindPort</code> is used.
Possible usages are:</p>
<ul>
<li>In a cluster with more than one control plane instances, this field should be
assigned the address of the external load balancer in front of the
control plane instances.</li>
<li>In environments with enforced node recycling, the <code>controlPlaneEndpoint</code>
could be used for assigning a stable DNS to the control plane.</li>
</ul>
</td>
</tr>
<tr><td><code>apiServer</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-APIServer"><code>APIServer</code></a>
</td>
<td>
   <p><code>apiServer</code> contains extra settings for the API server.</p>
</td>
</tr>
<tr><td><code>controllerManager</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-ControlPlaneComponent"><code>ControlPlaneComponent</code></a>
</td>
<td>
   <p><code>controllerManager</code> contains extra settings for the controller manager.</p>
</td>
</tr>
<tr><td><code>scheduler</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-ControlPlaneComponent"><code>ControlPlaneComponent</code></a>
</td>
<td>
   <p><code>scheduler</code> contains extra settings for the scheduler.</p>
</td>
</tr>
<tr><td><code>dns</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-DNS"><code>DNS</code></a>
</td>
<td>
   <p><code>dns</code> defines the options for the DNS add-on installed in the cluster.</p>
</td>
</tr>
<tr><td><code>proxy</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-Proxy"><code>Proxy</code></a>
</td>
<td>
   <p><code>proxy</code> defines the options for the proxy add-on installed in the cluster.</p>
</td>
</tr>
<tr><td><code>certificatesDir</code><br/>
<code>string</code>
</td>
<td>
   <p><code>certificatesDir</code> specifies where to store or look for all required certificates.</p>
</td>
</tr>
<tr><td><code>imageRepository</code><br/>
<code>string</code>
</td>
<td>
   <p><code>imageRepository</code> sets the container registry to pull images from.
If empty, <code>registry.k8s.io</code> will be used by default.
In case of kubernetes version is a CI build (kubernetes version starts with <code>ci/</code>)
<code>gcr.io/k8s-staging-ci-images</code> will be used as a default for control plane components
and for kube-proxy, while <code>registry.k8s.io</code> will be used for all the other images.</p>
</td>
</tr>
<tr><td><code>featureGates</code><br/>
<code>map[string]bool</code>
</td>
<td>
   <p><code>featureGates</code> contains the feature gates enabled by the user.</p>
</td>
</tr>
<tr><td><code>clusterName</code><br/>
<code>string</code>
</td>
<td>
   <p>The cluster name.</p>
</td>
</tr>
<tr><td><code>encryptionAlgorithm</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-EncryptionAlgorithmType"><code>EncryptionAlgorithmType</code></a>
</td>
<td>
   <p><code>encryptionAlgorithm</code> holds the type of asymmetric encryption algorithm used for keys and
certificates. Can be <code>&quot;RSA&quot;</code> (default algorithm, key size is 2048) or <code>&quot;ECDSA&quot;</code> (uses the
P-256 elliptic curve).</p>
</td>
</tr>
<tr><td><code>certificateValidityPeriod</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>certificateValidityPeriod</code> specifies the validity period for a non-CA certificate generated by kubeadm.
Default value: `8760h`` (365 days * 24 hours = 1 year)</p>
</td>
</tr>
<tr><td><code>caCertificateValidityPeriod</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>caCertificateValidityPeriod</code> specifies the validity period for a CA certificate generated by kubeadm.
Default value: <code>87600h</code> (365 days * 24 hours * 10 = 10 years)</p>
</td>
</tr>
</tbody>
</table>

## `InitConfiguration`     {#kubeadm-k8s-io-v1beta4-InitConfiguration}
    


<p>InitConfiguration contains a list of elements that is specific &quot;kubeadm init&quot;-only runtime
information.
<code>kubeadm init</code>-only information. These fields are solely used the first time <code>kubeadm init</code> runs.
After that, the information in the fields IS NOT uploaded to the <code>kubeadm-config</code> ConfigMap
that is used by <code>kubeadm upgrade</code> for instance. These fields must be omitempty.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
<tr><td><code>apiVersion</code><br/>string</td><td><code>kubeadm.k8s.io/v1beta4</code></td></tr>
<tr><td><code>kind</code><br/>string</td><td><code>InitConfiguration</code></td></tr>
    
  
<tr><td><code>bootstrapTokens</code><br/>
<a href="#BootstrapToken"><code>[]BootstrapToken</code></a>
</td>
<td>
   <p><code>bootstrapTokens</code> is respected at <code>kubeadm init</code> time and describes a set of Bootstrap Tokens to create.
This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature</p>
</td>
</tr>
<tr><td><code>dryRun</code> <B>[Required]</B><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change in dry run mode,
just out put what would be done.</p>
</td>
</tr>
<tr><td><code>nodeRegistration</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-NodeRegistrationOptions"><code>NodeRegistrationOptions</code></a>
</td>
<td>
   <p><code>nodeRegistration</code> holds fields that relate to registering the new control-plane node
to the cluster.</p>
</td>
</tr>
<tr><td><code>localAPIEndpoint</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-APIEndpoint"><code>APIEndpoint</code></a>
</td>
<td>
   <p><code>localAPIEndpoint</code> represents the endpoint of the API server instance that's deployed on this
control plane node. In HA setups, this differs from <code>ClusterConfiguration.controlPlaneEndpoint</code>
in the sense that <code>controlPlaneEndpoint</code> is the global endpoint for the cluster, which then
loadbalances the requests to each individual API server.
This configuration object lets you customize what IP/DNS name and port the local API server
advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default
interface and use that, but in case that process fails you may set the desired value here.</p>
</td>
</tr>
<tr><td><code>certificateKey</code><br/>
<code>string</code>
</td>
<td>
   <p><code>certificateKey</code> sets the key with which certificates and keys are encrypted prior to being
uploaded in a Secret in the cluster during the <code>uploadcerts init</code> phase.
The certificate key is a hex encoded string that is an AES key of size 32 bytes.</p>
</td>
</tr>
<tr><td><code>skipPhases</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>skipPhases</code> is a list of phases to skip during command execution.
The list of phases can be obtained with the <code>kubeadm init --help</code> command.
The flag <code>--skip-phases</code> takes precedence over this field.</p>
</td>
</tr>
<tr><td><code>patches</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Patches"><code>Patches</code></a>
</td>
<td>
   <p><code>patches</code> contains options related to applying patches to components deployed by kubeadm during
<code>kubeadm init</code>.</p>
</td>
</tr>
<tr><td><code>timeouts</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Timeouts"><code>Timeouts</code></a>
</td>
<td>
   <p><code>timeouts</code> holds various timeouts that apply to kubeadm commands.</p>
</td>
</tr>
</tbody>
</table>

## `JoinConfiguration`     {#kubeadm-k8s-io-v1beta4-JoinConfiguration}
    


<p>JoinConfiguration contains elements describing a particular node.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
<tr><td><code>apiVersion</code><br/>string</td><td><code>kubeadm.k8s.io/v1beta4</code></td></tr>
<tr><td><code>kind</code><br/>string</td><td><code>JoinConfiguration</code></td></tr>
    
  
<tr><td><code>dryRun</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change if it is set,
just output what would be done.</p>
</td>
</tr>
<tr><td><code>nodeRegistration</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-NodeRegistrationOptions"><code>NodeRegistrationOptions</code></a>
</td>
<td>
   <p><code>nodeRegistration</code> holds fields that relate to registering the new control-plane
node to the cluster</p>
</td>
</tr>
<tr><td><code>caCertPath</code><br/>
<code>string</code>
</td>
<td>
   <p><code>caCertPath</code> is the path to the SSL certificate authority used to secure comunications
between node and control-plane.
Defaults to &quot;/etc/kubernetes/pki/ca.crt&quot;.</p>
</td>
</tr>
<tr><td><code>discovery</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-Discovery"><code>Discovery</code></a>
</td>
<td>
   <p><code>discovery</code> specifies the options for the kubelet to use during the TLS bootstrap process.</p>
</td>
</tr>
<tr><td><code>controlPlane</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-JoinControlPlane"><code>JoinControlPlane</code></a>
</td>
<td>
   <p><code>controlPlane</code> defines the additional control plane instance to be deployed on the
joining node. If nil, no additional control plane instance will be deployed.</p>
</td>
</tr>
<tr><td><code>skipPhases</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>skipPhases</code> is a list of phases to skip during command execution.
The list of phases can be obtained with the <code>kubeadm join --help</code> command.
The flag <code>--skip-phases</code> takes precedence over this field.</p>
</td>
</tr>
<tr><td><code>patches</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Patches"><code>Patches</code></a>
</td>
<td>
   <p><code>patches</code> contains options related to applying patches to components deployed
by kubeadm during <code>kubeadm join</code>.</p>
</td>
</tr>
<tr><td><code>timeouts</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Timeouts"><code>Timeouts</code></a>
</td>
<td>
   <p><code>timeouts</code> holds various timeouts that apply to kubeadm commands.</p>
</td>
</tr>
</tbody>
</table>

## `ResetConfiguration`     {#kubeadm-k8s-io-v1beta4-ResetConfiguration}
    


<p>ResetConfiguration contains a list of fields that are specifically <code>kubeadm reset</code>-only
runtime information.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
<tr><td><code>apiVersion</code><br/>string</td><td><code>kubeadm.k8s.io/v1beta4</code></td></tr>
<tr><td><code>kind</code><br/>string</td><td><code>ResetConfiguration</code></td></tr>
    
  
<tr><td><code>cleanupTmpDir</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>cleanupTmpDir</code> specifies whether the &quot;/etc/kubernetes/tmp&quot; directory should be cleaned
during the reset process.</p>
</td>
</tr>
<tr><td><code>certificatesDir</code><br/>
<code>string</code>
</td>
<td>
   <p><code>certificatesDir</code> specifies the directory where the certificates are stored.
If specified, it will be cleaned during the reset process.</p>
</td>
</tr>
<tr><td><code>criSocket</code><br/>
<code>string</code>
</td>
<td>
   <p><code>criSocket</code> is used to retrieve container runtime inforomation and used for the
removal of the containers.
If <code>criSocket</code> is not specified by flag or config file, kubeadm will try to detect
one valid CRI socket instead.</p>
</td>
</tr>
<tr><td><code>dryRun</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change if it is set
and just output what would be done.</p>
</td>
</tr>
<tr><td><code>force</code><br/>
<code>bool</code>
</td>
<td>
   <p>The <code>force</code> flag instructs kubeadm to reset the node without prompting for confirmation.</p>
</td>
</tr>
<tr><td><code>ignorePreflightErrors</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>ignorePreflightErrors</code> provides a list of pre-flight errors to be ignored during
the reset process, e.g. <code>IsPrivilegedUser,Swap</code>.
Value <code>all</code> ignores errors from all checks.</p>
</td>
</tr>
<tr><td><code>skipPhases</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>skipPhases</code> is a list of phases to skip during command execution.
The list of phases can be obtained with the <code>kubeadm reset phase --help</code> command.</p>
</td>
</tr>
<tr><td><code>unmountFlags</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>unmountFlags</code> is a list of <code>unmount2()</code> syscall flags that kubeadm can use when unmounting
directories during &quot;reset&quot;. This flag can be one of: <code>&quot;MNT_FORCE&quot;</code>, <code>&quot;MNT_DETACH&quot;</code>,
<code>&quot;MNT_EXPIRE&quot;</code>, <code>&quot;UMOUNT_NOFOLLOW&quot;</code>.  By default this list is empty.</p>
</td>
</tr>
<tr><td><code>timeouts</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Timeouts"><code>Timeouts</code></a>
</td>
<td>
   <p>Timeouts holds various timeouts that apply to kubeadm commands.</p>
</td>
</tr>
</tbody>
</table>

## `UpgradeConfiguration`     {#kubeadm-k8s-io-v1beta4-UpgradeConfiguration}
    


<p>UpgradeConfiguration contains a list of options that are specific to <code>kubeadm upgrade</code> subcommands.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
<tr><td><code>apiVersion</code><br/>string</td><td><code>kubeadm.k8s.io/v1beta4</code></td></tr>
<tr><td><code>kind</code><br/>string</td><td><code>UpgradeConfiguration</code></td></tr>
    
  
<tr><td><code>apply</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-UpgradeApplyConfiguration"><code>UpgradeApplyConfiguration</code></a>
</td>
<td>
   <p><code>apply</code> holds a list of options that are specific to the <code>kubeadm upgrade apply</code> command.</p>
</td>
</tr>
<tr><td><code>diff</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-UpgradeDiffConfiguration"><code>UpgradeDiffConfiguration</code></a>
</td>
<td>
   <p><code>diff</code> holds a list of options that are specific to the <code>kubeadm upgrade diff</code> command.</p>
</td>
</tr>
<tr><td><code>node</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-UpgradeNodeConfiguration"><code>UpgradeNodeConfiguration</code></a>
</td>
<td>
   <p><code>node</code> holds a list of options that are specific to the <code>kubeadm upgrade node</code> command.</p>
</td>
</tr>
<tr><td><code>plan</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-UpgradePlanConfiguration"><code>UpgradePlanConfiguration</code></a>
</td>
<td>
   <p><code>plan</code> holds a list of options that are specific to the <code>kubeadm upgrade plan</code> command.</p>
</td>
</tr>
<tr><td><code>timeouts</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Timeouts"><code>Timeouts</code></a>
</td>
<td>
   <p><code>timeouts</code> holds various timeouts that apply to kubeadm commands.</p>
</td>
</tr>
</tbody>
</table>

## `APIEndpoint`     {#kubeadm-k8s-io-v1beta4-APIEndpoint}
    

**Appears in:**

- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)

- [JoinControlPlane](#kubeadm-k8s-io-v1beta4-JoinControlPlane)


<p>APIEndpoint struct contains elements of API server instance deployed on a node.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>advertiseAddress</code><br/>
<code>string</code>
</td>
<td>
   <p><code>dvertiseAddress</code> sets the IP address for the API server to advertise.</p>
</td>
</tr>
<tr><td><code>bindPort</code><br/>
<code>int32</code>
</td>
<td>
   <p><code>bindPort</code> sets the secure port for the API Server to bind to.
Defaults to 6443.</p>
</td>
</tr>
</tbody>
</table>

## `APIServer`     {#kubeadm-k8s-io-v1beta4-APIServer}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>APIServer holds settings necessary for API server deployments in the cluster</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>ControlPlaneComponent</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-ControlPlaneComponent"><code>ControlPlaneComponent</code></a>
</td>
<td>(Members of <code>ControlPlaneComponent</code> are embedded into this type.)
   <span class="text-muted">No description provided.</span></td>
</tr>
<tr><td><code>certSANs</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>certSANs</code> sets extra Subject Alternative Names (SANs) for the API Server signing
certificate.</p>
</td>
</tr>
</tbody>
</table>

## `Arg`     {#kubeadm-k8s-io-v1beta4-Arg}
    

**Appears in:**

- [ControlPlaneComponent](#kubeadm-k8s-io-v1beta4-ControlPlaneComponent)

- [LocalEtcd](#kubeadm-k8s-io-v1beta4-LocalEtcd)

- [NodeRegistrationOptions](#kubeadm-k8s-io-v1beta4-NodeRegistrationOptions)


<p>Arg represents an argument with a name and a value.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>name</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p>The name of the argument.</p>
</td>
</tr>
<tr><td><code>value</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p>The value of the argument.</p>
</td>
</tr>
</tbody>
</table>

## `BootstrapTokenDiscovery`     {#kubeadm-k8s-io-v1beta4-BootstrapTokenDiscovery}
    

**Appears in:**

- [Discovery](#kubeadm-k8s-io-v1beta4-Discovery)


<p>BootstrapTokenDiscovery is used to set the options for bootstrap token based discovery.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>token</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>token</code> is a token used to validate cluster information fetched from the
control-plane.</p>
</td>
</tr>
<tr><td><code>apiServerEndpoint</code><br/>
<code>string</code>
</td>
<td>
   <p><code>apiServerEndpoint</code> is an IP or domain name to the API server from which
information will be fetched.</p>
</td>
</tr>
<tr><td><code>caCertHashes</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>caCertHashes</code> specifies a set of public key pins to verify when token-based discovery
is used. The root CA found during discovery must match one of these values.
Specifying an empty set disables root CA pinning, which can be unsafe.
Each hash is specified as <code>&lt;type&gt;:&lt;value&gt;</code>, where the only currently supported type is
&quot;sha256&quot;. This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI)
object in DER-encoded ASN.1. These hashes can be // calculated using, for example, OpenSSL.</p>
</td>
</tr>
<tr><td><code>unsafeSkipCAVerification</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>unsafeSkipCAVerification</code> allows token-based discovery without CA verification
via <code>caCertHashes</code>. This can weaken the security of kubeadm since other nodes can
impersonate the control-plane.</p>
</td>
</tr>
</tbody>
</table>

## `ControlPlaneComponent`     {#kubeadm-k8s-io-v1beta4-ControlPlaneComponent}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)

- [APIServer](#kubeadm-k8s-io-v1beta4-APIServer)


<p>ControlPlaneComponent holds settings common to control plane component of the cluster</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>extraArgs</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Arg"><code>[]Arg</code></a>
</td>
<td>
   <p><code>extraArgs</code> is an extra set of flags to pass to the control plane component.
An argument name in this list is the flag name as it appears on the
command line except without leading dash(es). Extra arguments will override existing
default arguments. Duplicate extra arguments are allowed.</p>
</td>
</tr>
<tr><td><code>extraVolumes</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-HostPathMount"><code>[]HostPathMount</code></a>
</td>
<td>
   <p><code>extraVolumes</code> is an extra set of host volumes, mounted to the control plane component.</p>
</td>
</tr>
<tr><td><code>extraEnvs</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-EnvVar"><code>[]EnvVar</code></a>
</td>
<td>
   <p><code>extraEnvs</code> is an extra set of environment variables to pass to the control plane component.
Environment variables passed using <code>extraEnvs</code> will override any existing environment variables,
or <code>*_proxy</code> environment variables that kubeadm adds by default.</p>
</td>
</tr>
</tbody>
</table>

## `DNS`     {#kubeadm-k8s-io-v1beta4-DNS}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>DNS defines the DNS addon that should be used in the cluster</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>ImageMeta</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-ImageMeta"><code>ImageMeta</code></a>
</td>
<td>(Members of <code>ImageMeta</code> are embedded into this type.)
   <p><code>imageMeta</code> allows to customize the image used for the DNS addon.</p>
</td>
</tr>
<tr><td><code>disabled</code> <B>[Required]</B><br/>
<code>bool</code>
</td>
<td>
   <p><code>disabled</code> specifies whether to disable this addon in the cluster.</p>
</td>
</tr>
</tbody>
</table>

## `Discovery`     {#kubeadm-k8s-io-v1beta4-Discovery}
    

**Appears in:**

- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)


<p>Discovery specifies the options for the kubelet to use during the TLS Bootstrap process</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>bootstrapToken</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-BootstrapTokenDiscovery"><code>BootstrapTokenDiscovery</code></a>
</td>
<td>
   <p><code>bootstrapToken</code> is used to set the options for bootstrap token based discovery.
<code>bootstrapToken</code> and <code>file</code> are mutually exclusive.</p>
</td>
</tr>
<tr><td><code>file</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-FileDiscovery"><code>FileDiscovery</code></a>
</td>
<td>
   <p><code>file</code> is used to specify a file or URL to a kubeconfig file from which to load
cluster information. <code>bootstrapToken</code> and <code>file</code> are mutually exclusive.</p>
</td>
</tr>
<tr><td><code>tlsBootstrapToken</code><br/>
<code>string</code>
</td>
<td>
   <p><code>tlsBootstrapToken</code> is a token used for TLS bootstrapping.
If <code>bootstrapToken</code> is set, this field is defaulted to <code>bootstrapToken.token</code>, but
can be overridden. If <code>file</code> is set, this field <strong>must be set</strong> in case the KubeConfigFile
does not contain any other authentication information.</p>
</td>
</tr>
</tbody>
</table>

## `EncryptionAlgorithmType`     {#kubeadm-k8s-io-v1beta4-EncryptionAlgorithmType}
    
(Alias of `string`)

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>EncryptionAlgorithmType can define an asymmetric encryption algorithm type.</p>




## `EnvVar`     {#kubeadm-k8s-io-v1beta4-EnvVar}
    

**Appears in:**

- [ControlPlaneComponent](#kubeadm-k8s-io-v1beta4-ControlPlaneComponent)

- [LocalEtcd](#kubeadm-k8s-io-v1beta4-LocalEtcd)


<p>EnvVar represents an environment variable present in a Container.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>EnvVar</code> <B>[Required]</B><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#envvar-v1-core"><code>core/v1.EnvVar</code></a>
</td>
<td>(Members of <code>EnvVar</code> are embedded into this type.)
   <span class="text-muted">No description provided.</span></td>
</tr>
</tbody>
</table>

## `Etcd`     {#kubeadm-k8s-io-v1beta4-Etcd}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>Etcd contains elements describing Etcd configuration.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>local</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-LocalEtcd"><code>LocalEtcd</code></a>
</td>
<td>
   <p><code>local</code> provides configuration knobs for configuring the local etcd instance.
<code>local</code> and <code>external</code> are mutually exclusive.</p>
</td>
</tr>
<tr><td><code>external</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-ExternalEtcd"><code>ExternalEtcd</code></a>
</td>
<td>
   <p><code>external</code> describes how to connect to an external etcd cluster.
<code>local</code> and <code>external</code> are mutually exclusive.</p>
</td>
</tr>
</tbody>
</table>

## `ExternalEtcd`     {#kubeadm-k8s-io-v1beta4-ExternalEtcd}
    

**Appears in:**

- [Etcd](#kubeadm-k8s-io-v1beta4-Etcd)


<p>ExternalEtcd describes an external etcd cluster.
Kubeadm has no knowledge of where certificate files live and they must be supplied.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>endpoints</code> <B>[Required]</B><br/>
<code>[]string</code>
</td>
<td>
   <p><code>endpoints</code> contains the list of etcd members.</p>
</td>
</tr>
<tr><td><code>caFile</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>caFile</code> is an SSL Certificate Authority (CA) file used to secure etcd communication.
Required if using a TLS connection.</p>
</td>
</tr>
<tr><td><code>certFile</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>certFile</code> is an SSL certification file used to secure etcd communication.
Required if using a TLS connection.</p>
</td>
</tr>
<tr><td><code>keyFile</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>keyFile</code> is an SSL key file used to secure etcd communication.
Required if using a TLS connection.</p>
</td>
</tr>
</tbody>
</table>

## `FileDiscovery`     {#kubeadm-k8s-io-v1beta4-FileDiscovery}
    

**Appears in:**

- [Discovery](#kubeadm-k8s-io-v1beta4-Discovery)


<p>FileDiscovery is used to specify a file or URL to a kubeconfig file from which to load
cluster information.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>kubeConfigPath</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>kubeConfigPath</code> is used to specify the actual file path or URL to the kubeconfig
file from which to load cluster information.</p>
</td>
</tr>
</tbody>
</table>

## `HostPathMount`     {#kubeadm-k8s-io-v1beta4-HostPathMount}
    

**Appears in:**

- [ControlPlaneComponent](#kubeadm-k8s-io-v1beta4-ControlPlaneComponent)


<p>HostPathMount contains elements describing volumes that are mounted from the host.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>name</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>name</code> is the name of the volume inside the Pod template.</p>
</td>
</tr>
<tr><td><code>hostPath</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>hostPath</code> is the path in the host that will be mounted inside the Pod.</p>
</td>
</tr>
<tr><td><code>mountPath</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>mountPath</code> is the path inside the Pod where <code>hostPath</code> will be mounted.</p>
</td>
</tr>
<tr><td><code>readOnly</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>readOnly</code> controls write access to the volume.</p>
</td>
</tr>
<tr><td><code>pathType</code><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#hostpathtype-v1-core"><code>core/v1.HostPathType</code></a>
</td>
<td>
   <p><code>pathType</code> is the type of the <code>hostPath</code>.</p>
</td>
</tr>
</tbody>
</table>

## `ImageMeta`     {#kubeadm-k8s-io-v1beta4-ImageMeta}
    

**Appears in:**

- [DNS](#kubeadm-k8s-io-v1beta4-DNS)

- [LocalEtcd](#kubeadm-k8s-io-v1beta4-LocalEtcd)


<p>ImageMeta allows to customize the image used for components that are not
originated from the Kubernetes/Kubernetes release process</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>imageRepository</code><br/>
<code>string</code>
</td>
<td>
   <p><code>imageRepository</code> sets the container registry to pull images from.
if not set, the <code>imageRepository</code> defined in ClusterConfiguration will be used instead.</p>
</td>
</tr>
<tr><td><code>imageTag</code><br/>
<code>string</code>
</td>
<td>
   <p><code>imageTag</code> allows to specify a tag for the image.
In case this value is set, kubeadm does not change automatically the version of
the above components during upgrades.</p>
</td>
</tr>
</tbody>
</table>

## `JoinControlPlane`     {#kubeadm-k8s-io-v1beta4-JoinControlPlane}
    

**Appears in:**

- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)


<p>JoinControlPlane contains elements describing an additional control plane instance to be deployed on the joining node.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>localAPIEndpoint</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-APIEndpoint"><code>APIEndpoint</code></a>
</td>
<td>
   <p><code>localAPIEndpoint</code> represents the endpoint of the API server instance to be
deployed on this node.</p>
</td>
</tr>
<tr><td><code>certificateKey</code><br/>
<code>string</code>
</td>
<td>
   <p><code>certificateKey</code> is the key that is used for decryption of certificates after
they are downloaded from the Secret upon joining a new control plane node.
The corresponding encryption key is in the InitConfiguration.
The certificate key is a hex encoded string that is an AES key of size 32 bytes.</p>
</td>
</tr>
</tbody>
</table>

## `LocalEtcd`     {#kubeadm-k8s-io-v1beta4-LocalEtcd}
    

**Appears in:**

- [Etcd](#kubeadm-k8s-io-v1beta4-Etcd)


<p>LocalEtcd describes that kubeadm should run an etcd cluster locally.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>ImageMeta</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-ImageMeta"><code>ImageMeta</code></a>
</td>
<td>(Members of <code>ImageMeta</code> are embedded into this type.)
   <p>ImageMeta allows to customize the container used for etcd</p>
</td>
</tr>
<tr><td><code>dataDir</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>dataDir</code> is the directory etcd will place its data.
Defaults to &quot;/var/lib/etcd&quot;.</p>
</td>
</tr>
<tr><td><code>extraArgs</code> <B>[Required]</B><br/>
<a href="#kubeadm-k8s-io-v1beta4-Arg"><code>[]Arg</code></a>
</td>
<td>
   <p><code>extraArgs</code> are extra arguments provided to the etcd binary when run
inside a static Pod. An argument name in this list is the flag name as
it appears on the command line except without leading dash(es).
Extra arguments will override existing default arguments.
Duplicate extra arguments are allowed.</p>
</td>
</tr>
<tr><td><code>extraEnvs</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-EnvVar"><code>[]EnvVar</code></a>
</td>
<td>
   <p><code>extraEnvs</code> is an extra set of environment variables to pass to the
control plane component. Environment variables passed using <code>extraEnvs</code>
will override any existing environment variables, or <code>*_proxy</code> environment
variables that kubeadm adds by default.</p>
</td>
</tr>
<tr><td><code>serverCertSANs</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>serverCertSANs</code> sets extra Subject Alternative Names (SANs) for the etcd
server signing certificate.</p>
</td>
</tr>
<tr><td><code>peerCertSANs</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>peerCertSANs</code> sets extra Subject Alternative Names (SANs) for the etcd peer
signing certificate.</p>
</td>
</tr>
</tbody>
</table>

## `Networking`     {#kubeadm-k8s-io-v1beta4-Networking}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>Networking contains elements describing cluster's networking configuration.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>serviceSubnet</code><br/>
<code>string</code>
</td>
<td>
   <p><code>serviceSubnet</code> is the subnet used by Kubernetes Services. Defaults to &quot;10.96.0.0/12&quot;.</p>
</td>
</tr>
<tr><td><code>podSubnet</code><br/>
<code>string</code>
</td>
<td>
   <p><code>podSubnet</code> is the subnet used by Pods.</p>
</td>
</tr>
<tr><td><code>dnsDomain</code><br/>
<code>string</code>
</td>
<td>
   <p><code>dnsDomain</code> is the dns domain used by Kubernetes Services. Defaults to &quot;cluster.local&quot;.</p>
</td>
</tr>
</tbody>
</table>

## `NodeRegistrationOptions`     {#kubeadm-k8s-io-v1beta4-NodeRegistrationOptions}
    

**Appears in:**

- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)

- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)


<p>NodeRegistrationOptions holds fields that relate to registering a new control-plane or
node to the cluster, either via <code>kubeadm init</code> or <code>kubeadm join</code>.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>name</code><br/>
<code>string</code>
</td>
<td>
   <p><code>name</code> is the <code>.Metadata.Name</code> field of the Node API object that will be created in this
<code>kubeadm init</code> or <code>kubeadm join</code> operation.
This field is also used in the <code>CommonName</code> field of the kubelet's client certificate to
the API server.
Defaults to the hostname of the node if not provided.</p>
</td>
</tr>
<tr><td><code>criSocket</code><br/>
<code>string</code>
</td>
<td>
   <p><code>criSocket</code> is used to retrieve container runtime info.
This information will be annotated to the Node API object, for later re-use.</p>
</td>
</tr>
<tr><td><code>taints</code> <B>[Required]</B><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#taint-v1-core"><code>[]core/v1.Taint</code></a>
</td>
<td>
   <p><code>taints</code> specifies the taints the Node API object should be registered with.
If this field is unset, i.e. nil, it will be defaulted with a control-plane taint for control-plane nodes.
If you don't want to taint your control-plane node, set this field to an empty list,
i.e. <code>taints: []</code> in the YAML file. This field is solely used for Node registration.</p>
</td>
</tr>
<tr><td><code>kubeletExtraArgs</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Arg"><code>[]Arg</code></a>
</td>
<td>
   <p><code>kubeletExtraArgs</code> passes through extra arguments to the kubelet.
The arguments here are passed to the kubelet command line via the environment file
kubeadm writes at runtime for the kubelet to source.
This overrides the generic base-level configuration in the <code>kubelet-config</code> ConfigMap.
Flags have higher priority when parsing. These values are local and specific to the node
kubeadm is executing on. An argument name in this list is the flag name as it appears on the
command line except without leading dash(es). Extra arguments will override existing
default arguments. Duplicate extra arguments are allowed.</p>
</td>
</tr>
<tr><td><code>ignorePreflightErrors</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>ignorePreflightErrors</code> provides a slice of pre-flight errors to be ignored when
the current node is registered, e.g. 'IsPrivilegedUser,Swap'.
Value 'all' ignores errors from all checks.</p>
</td>
</tr>
<tr><td><code>imagePullPolicy</code><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#pullpolicy-v1-core"><code>core/v1.PullPolicy</code></a>
</td>
<td>
   <p><code>imagePullPolicy</code> specifies the policy for image pulling during kubeadm <code>init</code> and
<code>join</code> operations.
The value of this field must be one of &quot;Always&quot;, &quot;IfNotPresent&quot; or &quot;Never&quot;.
If this field is unset kubeadm will default it to &quot;IfNotPresent&quot;, or pull the required
images if not present on the host.</p>
</td>
</tr>
<tr><td><code>imagePullSerial</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>imagePullSerial</code> specifies if image pulling performed by kubeadm must be done serially or in parallel.
Default: true</p>
</td>
</tr>
</tbody>
</table>

## `Patches`     {#kubeadm-k8s-io-v1beta4-Patches}
    

**Appears in:**

- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)

- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)

- [UpgradeApplyConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeApplyConfiguration)

- [UpgradeNodeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeNodeConfiguration)


<p>Patches contains options related to applying patches to components deployed by kubeadm.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>directory</code><br/>
<code>string</code>
</td>
<td>
   <p><code>directory</code> is a path to a directory that contains files named
&quot;target[suffix][+patchtype].extension&quot;.
For example, &quot;kube-apiserver0+merge.yaml&quot; or just &quot;etcd.json&quot;. &quot;target&quot; can be one of
&quot;kube-apiserver&quot;, &quot;kube-controller-manager&quot;, &quot;kube-scheduler&quot;, &quot;etcd&quot;, &quot;kubeletconfiguration&quot;,
&quot;corednsdeployment&quot;.
&quot;patchtype&quot; can be one of &quot;strategic&quot;, &quot;merge&quot; or &quot;json&quot; and they match the patch formats
supported by kubectl.
The default &quot;patchtype&quot; is &quot;strategic&quot;. &quot;extension&quot; must be either &quot;json&quot; or &quot;yaml&quot;.
&quot;suffix&quot; is an optional string that can be used to determine which patches are applied
first alpha-numerically.</p>
</td>
</tr>
</tbody>
</table>

## `Proxy`     {#kubeadm-k8s-io-v1beta4-Proxy}
    

**Appears in:**

- [ClusterConfiguration](#kubeadm-k8s-io-v1beta4-ClusterConfiguration)


<p>Proxy defines the proxy addon that should be used in the cluster.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>disabled</code> <B>[Required]</B><br/>
<code>bool</code>
</td>
<td>
   <p><code>disabled</code> specifies whether to disable this addon in the cluster.</p>
</td>
</tr>
</tbody>
</table>

## `Timeouts`     {#kubeadm-k8s-io-v1beta4-Timeouts}
    

**Appears in:**

- [InitConfiguration](#kubeadm-k8s-io-v1beta4-InitConfiguration)

- [JoinConfiguration](#kubeadm-k8s-io-v1beta4-JoinConfiguration)

- [ResetConfiguration](#kubeadm-k8s-io-v1beta4-ResetConfiguration)

- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)


<p>Timeouts holds various timeouts that apply to kubeadm commands.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>controlPlaneComponentHealthCheck</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>controlPlaneComponentHealthCheck</code> is the amount of time to wait for a control plane
component, such as the API server, to be healthy during <code>kubeadm init</code> and <code>kubeadm join</code>.
Default: 4m</p>
</td>
</tr>
<tr><td><code>kubeletHealthCheck</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>kubeletHealthCheck</code> is the amount of time to wait for the kubelet to be healthy
during <code>kubeadm init</code> and <code>kubeadm join</code>.
Default: 4m</p>
</td>
</tr>
<tr><td><code>kubernetesAPICall</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>kubernetesAPICall</code> is the amount of time to wait for the kubeadm client to complete a request to
the API server. This applies to all types of methods (GET, POST, etc).
Default: 1m</p>
</td>
</tr>
<tr><td><code>etcdAPICall</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>etcdAPICall</code> is the amount of time to wait for the kubeadm etcd client to complete a request to
the etcd cluster.
Default: 2m</p>
</td>
</tr>
<tr><td><code>tlsBootstrap</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>tlsBootstrap</code> is the amount of time to wait for the kubelet to complete TLS bootstrap
for a joining node.
Default: 5m</p>
</td>
</tr>
<tr><td><code>discovery</code><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>discovery</code> is the amount of time to wait for kubeadm to validate the API server identity
for a joining node.
Default: 5m</p>
</td>
</tr>
<tr><td><code>upgradeManifests</code> <B>[Required]</B><br/>
<a href="https://pkg.go.dev/k8s.io/apimachinery/pkg/apis/meta/v1#Duration"><code>meta/v1.Duration</code></a>
</td>
<td>
   <p><code>upgradeManifests</code> is the timeout for upgrading static Pod manifests
Default: 5m</p>
</td>
</tr>
</tbody>
</table>

## `UpgradeApplyConfiguration`     {#kubeadm-k8s-io-v1beta4-UpgradeApplyConfiguration}
    

**Appears in:**

- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)


<p>UpgradeApplyConfiguration contains a list of configurable options which are specific to the  &quot;kubeadm upgrade apply&quot; command.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>kubernetesVersion</code><br/>
<code>string</code>
</td>
<td>
   <p><code>kubernetesVersion</code> is the target version of the control plane.</p>
</td>
</tr>
<tr><td><code>allowExperimentalUpgrades</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>allowExperimentalUpgrades</code> instructs kubeadm to show unstable versions of Kubernetes as an upgrade
alternative and allows upgrading to an alpha/beta/release candidate version of Kubernetes.
Default: false</p>
</td>
</tr>
<tr><td><code>allowRCUpgrades</code><br/>
<code>bool</code>
</td>
<td>
   <p>Enable <code>allowRCUpgrades</code> will show release candidate versions of Kubernetes as an upgrade alternative and
allows upgrading to a release candidate version of Kubernetes.</p>
</td>
</tr>
<tr><td><code>certificateRenewal</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>certificateRenewal</code> instructs kubeadm to execute certificate renewal during upgrades.
Defaults to true.</p>
</td>
</tr>
<tr><td><code>dryRun</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change if it is and just output
what would be done.</p>
</td>
</tr>
<tr><td><code>etcdUpgrade</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>etcdUpgrade</code> instructs kubeadm to execute etcd upgrade during upgrades.
Defaults to true.</p>
</td>
</tr>
<tr><td><code>forceUpgrade</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>forceUpgrade</code> flag instructs kubeadm to upgrade the cluster without prompting for confirmation.</p>
</td>
</tr>
<tr><td><code>ignorePreflightErrors</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>ignorePreflightErrors</code> provides a slice of pre-flight errors to be ignored during the upgrade process,
e.g. <code>IsPrivilegedUser,Swap</code>. Value <code>all</code> ignores errors from all checks.</p>
</td>
</tr>
<tr><td><code>patches</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Patches"><code>Patches</code></a>
</td>
<td>
   <p><code>patches</code> contains options related to applying patches to components deployed by kubeadm during <code>kubeadm upgrade</code>.</p>
</td>
</tr>
<tr><td><code>printConfig</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>printConfig</code> specifies whether the configuration file that will be used in the upgrade should be printed or not.</p>
</td>
</tr>
<tr><td><code>skipPhases</code> <B>[Required]</B><br/>
<code>[]string</code>
</td>
<td>
   <p><code>skipPhases</code> is a list of phases to skip during command execution.
NOTE: This field is currently ignored for <code>kubeadm upgrade apply</code>, but in the future it will be supported.</p>
</td>
</tr>
<tr><td><code>imagePullPolicy</code><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#pullpolicy-v1-core"><code>core/v1.PullPolicy</code></a>
</td>
<td>
   <p><code>imagePullPolicy</code> specifies the policy for image pulling during <code>kubeadm upgrade apply</code> operations.
The value of this field must be one of &quot;Always&quot;, &quot;IfNotPresent&quot; or &quot;Never&quot;.
If this field is unset kubeadm will default it to &quot;IfNotPresent&quot;, or pull the required images if not present on the host.</p>
</td>
</tr>
<tr><td><code>imagePullSerial</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>imagePullSerial</code> specifies if image pulling performed by kubeadm must be done serially or in parallel.
Default: true</p>
</td>
</tr>
</tbody>
</table>

## `UpgradeDiffConfiguration`     {#kubeadm-k8s-io-v1beta4-UpgradeDiffConfiguration}
    

**Appears in:**

- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)


<p>UpgradeDiffConfiguration contains a list of configurable options which are specific to the <code>kubeadm upgrade diff</code> command.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>kubernetesVersion</code><br/>
<code>string</code>
</td>
<td>
   <p><code>kubernetesVersion</code> is the target version of the control plane.</p>
</td>
</tr>
<tr><td><code>contextLines</code><br/>
<code>int</code>
</td>
<td>
   <p><code>diffContextLines</code> is the number of lines of context in the diff.</p>
</td>
</tr>
</tbody>
</table>

## `UpgradeNodeConfiguration`     {#kubeadm-k8s-io-v1beta4-UpgradeNodeConfiguration}
    

**Appears in:**

- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)


<p>UpgradeNodeConfiguration contains a list of configurable options which are specific to the &quot;kubeadm upgrade node&quot; command.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>certificateRenewal</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>certificateRenewal</code> instructs kubeadm to execute certificate renewal during upgrades.
Defaults to true.</p>
</td>
</tr>
<tr><td><code>dryRun</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change if it is and just output what would be done.</p>
</td>
</tr>
<tr><td><code>etcdUpgrade</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>etcdUpgrade</code> instructs kubeadm to execute etcd upgrade during upgrades.
Defaults to true.</p>
</td>
</tr>
<tr><td><code>ignorePreflightErrors</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>ignorePreflightErrors</code> provides a slice of pre-flight errors to be ignored during the upgrade process,
e.g. 'IsPrivilegedUser,Swap'. Value 'all' ignores errors from all checks.</p>
</td>
</tr>
<tr><td><code>skipPhases</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>skipPhases</code> is a list of phases to skip during command execution.
The list of phases can be obtained with the <code>kubeadm upgrade node phase --help</code> command.</p>
</td>
</tr>
<tr><td><code>patches</code><br/>
<a href="#kubeadm-k8s-io-v1beta4-Patches"><code>Patches</code></a>
</td>
<td>
   <p><code>patches</code> contains options related to applying patches to components deployed by kubeadm during <code>kubeadm upgrade</code>.</p>
</td>
</tr>
<tr><td><code>imagePullPolicy</code><br/>
<a href="https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.31/#pullpolicy-v1-core"><code>core/v1.PullPolicy</code></a>
</td>
<td>
   <p><code>imagePullPolicy</code> specifies the policy for image pulling during <code>kubeadm upgrade node</code> operations.
The value of this field must be one of &quot;Always&quot;, &quot;IfNotPresent&quot; or &quot;Never&quot;.
If this field is unset kubeadm will default it to &quot;IfNotPresent&quot;, or pull the required images if not present on the host.</p>
</td>
</tr>
<tr><td><code>imagePullSerial</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>imagePullSerial</code> specifies if image pulling performed by kubeadm must be done serially or in parallel.
Default: true</p>
</td>
</tr>
</tbody>
</table>

## `UpgradePlanConfiguration`     {#kubeadm-k8s-io-v1beta4-UpgradePlanConfiguration}
    

**Appears in:**

- [UpgradeConfiguration](#kubeadm-k8s-io-v1beta4-UpgradeConfiguration)


<p>UpgradePlanConfiguration contains a list of configurable options which are specific to the &quot;kubeadm upgrade plan&quot; command.</p>


<table class="table">
<thead><tr><th width="30%">Field</th><th>Description</th></tr></thead>
<tbody>
    
  
<tr><td><code>kubernetesVersion</code> <B>[Required]</B><br/>
<code>string</code>
</td>
<td>
   <p><code>kubernetesVersion</code> is the target version of the control plane.</p>
</td>
</tr>
<tr><td><code>allowExperimentalUpgrades</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>allowExperimentalUpgrades</code> instructs kubeadm to show unstable versions of Kubernetes as an upgrade
alternative and allows upgrading to an alpha/beta/release candidate version of Kubernetes.
Default: false</p>
</td>
</tr>
<tr><td><code>allowRCUpgrades</code><br/>
<code>bool</code>
</td>
<td>
   <p>Enable <code>allowRCUpgrades</code> will show release candidate versions of Kubernetes as an upgrade alternative and
allows upgrading to a release candidate version of Kubernetes.</p>
</td>
</tr>
<tr><td><code>dryRun</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>dryRun</code> tells if the dry run mode is enabled, don't apply any change if it is and just output what would be done.</p>
</td>
</tr>
<tr><td><code>ignorePreflightErrors</code><br/>
<code>[]string</code>
</td>
<td>
   <p><code>ignorePreflightErrors</code> provides a slice of pre-flight errors to be ignored during the upgrade process,
e.g. 'IsPrivilegedUser,Swap'. Value 'all' ignores errors from all checks.</p>
</td>
</tr>
<tr><td><code>printConfig</code><br/>
<code>bool</code>
</td>
<td>
   <p><code>printConfig</code> specifies whether the configuration file that will be used in the upgrade should be printed or not.</p>
</td>
</tr>
</tbody>
</table>