You can create container clusters by using Containers placement settings to specify cluster size.

Before you begin

  • Verify that Containers for vRealize Automation is enabled in your supported vRealize Automation deployment.

  • Verify that you have container administrator or container architect role privileges.

About this task

When you configure a cluster, the Containers provisions the specified number of containers. Requests are load balanced among all containers in the cluster.

You can modify the cluster size on a provisioned container or application to increase or decrease the size of the cluster by one. When you modify the cluster size at runtime, all affinity filters and placement rules are considered.

Procedure

  1. Log in to vRealize Automation.
  2. Click the Containers tab.
  3. Click Templates in the left pane.
  4. Edit the template or image.
  5. Click the Placement tab.
  6. Edit the template or image.
  7. To edit a template
    1. Click Edit in the upper-right section of the template that you want to open.
    2. If the template contains multiple templates, point to the template that you want to edit, and click Edit in the upper-right section of the template that you want to open.
  8. To edit an image.
    1. Click the arrow next to the image's Provision button, and click Enter additional info.

    The Provision a Container or Edit Container Definition page appears, providing access to categorized sets of editable properties and settings.

  9. Set the container cluster size.
  10. Click Save.