# 4. How to upgrade Kubernetes Cluster in HI GIO Portal

## <mark style="color:green;">**Overview**</mark> <a href="#overview" id="overview"></a>

This is a document for how to upgrade HI GIO Kubernetes Cluster.

Step for performing the upgrade:

* The versions of software in this guide are as follows:
* Upgrade Kubernetes Cluster.
* Validate Kubernetes Cluster after the upgrade.

{% hint style="info" %}
The versions of the software are as follows

* Kubernetes Version: 1.23.17+vmware.1
* TKG Product Version: 2.2.0
* Service running on the cluster: Voting web app
* Component running the service:
  {% endhint %}

<figure><img src="/files/ugcrZ44l94w8DQqKPlUq" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/llNOnY1PCsMavAmRJkSw" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/y5HLKL9vejA4NTsZwfsA" alt=""><figcaption></figcaption></figure>

## <mark style="color:green;">**Procedure**</mark> <a href="#procedure" id="procedure"></a>

{% tabs %}
{% tab title="I. UPGRADE Kubernetes Clusters:" %}
**Step 1:** From the vCD portal, choose **More** → Kubernetes Container Clusters

<figure><img src="/files/SF8IBfprZ1kOVyNjfXRB" alt=""><figcaption></figcaption></figure>

**Step 2:** Choose the cluster you want to upgrade to.

<figure><img src="/files/RP45seWPprwIAcSKBius" alt=""><figcaption></figcaption></figure>

**Step 3:** Choose **UPGRADE.**

<figure><img src="/files/uQ1ZK5un9b9FdsUPojcK" alt=""><figcaption></figcaption></figure>

**Step 4:** Verify the **current usage of Kubernetes and TKG Product versions are correct.**

<figure><img src="/files/ljHdvCCSSaiicF2gV4YZ" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/5Bgch2H7O3qBemFJWXPv" alt=""><figcaption></figcaption></figure>

**Step 5:** Then choose the **Available upgrade options** → **UPGRADE**.

<figure><img src="/files/72Uhx2On6ojtKdVilJwB" alt=""><figcaption></figcaption></figure>

**Step 6:** Wait for the cluster to perform the upgrade completed.
{% endtab %}

{% tab title="II. Validate Kubernetes Cluster after the upgrade." %}
**Step 1:** After completion, the cluster version will change to the version you choose above.

<figure><img src="/files/bgT3rLecxoIayaV0ZoEh" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/IV1ouQZlkTjxECYDvlBN" alt=""><figcaption></figcaption></figure>

**Step 2:** Test the component after performing the upgrade, and ensure that everything is running normally.

<figure><img src="/files/EWMwchiIUX9Bk9E3PJAX" alt=""><figcaption></figcaption></figure>

**Step 3:** Testing service after the upgrade, and it is still running normally.

<figure><img src="/files/zF54OKx3s1oZJpct6kiv" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/LzGCDLpX3ANEWbEB2jVw" alt=""><figcaption></figcaption></figure>

The upgrade is completed.
{% endtab %}
{% endtabs %}


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