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step-3-create-host.md

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Creating a Host that acts as an EKS Worker node

Step 4: Create a Host

Creating an AWS EKS Service uses technologies from AWS and the Kubernetes open-source container orchestration system.

Kubernetes uses worker nodes to distribute workloads within a cluster. The cluster automatically distributes the workload among its nodes, enabling seamless scaling as required system resources expand to support your applications.

Estimated time to complete Step 4: 5 minutes.

Prerequisites

Before creating a Host (essentially a Virtual Machine), verify that you completed the previous tutorial steps. Using the DuploCloud Portal, confirm that:

Select the Tenant You Created

In the Tenant list box, select the dev01 Tenant that you created.

Creating a Host

  1. In the DuploCloud Portal, navigate to Cloud Services -> Hosts. The Hosts page displays.
  2. In the EC2 tab, click Add. The Add Host page displays.
  3. In the Friendly Name field, enter host01.
  4. In the Instance Type list box, select 2 CPU 4 GB - t3.medium.
  5. Select the Advanced Options checkbox to display advanced configuration fields.
  6. From the Agent Platform list box, select EKS Linux.
  7. From the Image ID list box, select any Image ID with an EKS prefix (for example, EKS-Oregon-1.23).
  8. Click Add. The Host is created, initialized, and started. In a few minutes, when the Status displays Running, the Host is available for use.

The EC2 Add Host page

{% hint style="info" %} The EKS Image ID is the image published by AWS specifically for an EKS worker in the version of Kubernetes deployed at Infrastructure creation time. For this tutorial, the region is us-west-2, where the NONPROD Infrastructure was created.

If there is no Image ID with an EKS prefix, copy the AMI ID for the desired EKS version following this AWS documentation. Select Other from the Image ID list box and paste the AMI ID in the Other Image ID field. Contact the DuploCloud Support team via your Slack channel if you have questions or issues. {% endhint %}

Checking Your Work

  1. In the DuploCloud Portal, navigate to Cloud Services -> Hosts.
  2. Select the EC2 tab.
  3. Verify that the Host status is Running.

The EC2 tab with Host status Running