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Create Custom Image

The purpose of this document is to define how to create a new Google Compute Engine custom image with required dependencies. You can use the new image to provision virtual machine (VM) instances with all dependencies already installed.

NOTE: To run the following script, make sure that you are signed in to the Google Cloud project with administrative rights.

Image creation process

To run the script, use the create-custom-image.sh command. To set the image created by this script as a default custom image, add the --default flag to the command.

NOTE: Adding the --default flag to this script adds the default:yes label to the created custom image. By default, the provision-vm-and-start-kyma-k3d.sh script selects the latest default custom image available in Kyma project to provision the VM instance.

The script performs the following steps:

  1. Provision a new VM under the VM instance in the Google Compute Engine. The new VM instance is named according to the kyma-deps-image-vm-{RANDOM_ID} pattern and created in a random zone in Europe.

  2. Move the install-deps-debian.sh script to the newly provisioned VM and execute it.

  3. Shut down the new VM after installing all the required dependencies specified in install-deps-debian.sh.

  4. Create a new image using --source-disk as kyma-deps-image-vm-{RANDOM_ID} under the custom-images image family in the Google Compute Engine. This creates a new kyma-deps-image-{Current_Date} image.

  5. Delete the provisioned kyma-deps-image-vm-{RANDOM_ID} VM.