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Note: By default, Windows root volumes are the master boot record (MBR).

Use Disk Management or PowerShell to extend the volume's file system at the operating system level.

Use the Amazon EC2 console or AWS Command Line Interface (AWS CLI) to expand the EBS volume that's attached to a Windows instance.

To expand the disk space of a Windows instance, follow these steps. An example is shown below.An Amazon EC2 Windows instance created from an Amazon Machine Image (AMI) has a default 30 GB gp2 (General Purpose SSD) Amazon EBS root volume. The variables block holds all the default variables within a template. Let’s understand different scenarios for variable usage. You can make use of packer variables for dynamic configuration when used with CI tools like Jenkins. The declared variables can be overridden from the command line during the packer build process. Using the variable block, you can declare the default Packer parameters as variables. Let’s understand each block with sample configuration before we create the AMI with Packer Variables Here is the high-level packer template structure.Īn HCL template has a few blocks. Let’s have a look at the HCL Packer template in detail. See Upgrading JSON to HCL for more information. If your exiting project or organization users JSON templates, you can convert them to HCL templates. But it’s recommended to change to HCL format as the newly developed features will not be added to the JSON-based template. Note: From version v1.7 Packer uses HCL format templates.

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Please feel free to contribute to the repo with more templates. Or you can use the template directly from the packer-aws-shell folder git clone You can clone or fork it to keep it as a reference.

#Aws disk image tools code

Then it configures the server based on the provisioner you specified in the Packer template (Shell script, Ansible, Chef, etc).Īll the code used in this article is hosted on a Packer Template Github repository.Packer takes a remote connection to the server (SSH or Winrm).If you execute Packer from a cloud environment, it leverages the cloud service account for authentication. Packer authenticates the remote cloud provider and launches a server.To build the VM image, execute Packer with the Packer template.Declare all the required VM configurations in an HCL (Hashicorp configuration language) or a JSON file.Take a look at the following high-level Packer workflow diagram. The workflow is somewhat similar to building VMs using Vagrant It is available for Windows, Linux, and other Unix platforms.īuilding a VM image using Packer is a simple process.

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Step 1: Download the latest Packer executable from the Packer downloads page. You can pass the AWS credentials using the packer variable declaration as well. It is not mandatory to have a credentials file. Make sure you have the AWS access keys set on the file ~/.aws/credentials. Note: If you are setting up Packer on your workstation for debugging or testing purposes, you need the AWS access and secret keys for Packer to interact with AWS services. In the actual project, the Packer installation would be part of the Jenkins agent or any tooling which is part of the CI/CD process. You can have Packer installed on your local workstation or on a cloud instance. In this Packer beginner tutorial, you will learn the following.

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Even the packer template development or update should go through all the CI tests before getting deployed in a project environment.

Immutable Infrastructure: If you want to create an immutable infrastructure using VM images as a deployable artifact, you can use Packer in your CI/CD pipeline.īasically, all the above use cases are part of the CI pipelines or IaaC code pipelines where every Packer template is version controlled.

Monthly VM Patching: You can integrate Packer into your monthly VM image patching pipeline.

Golden Image Creation: With packer, you can template the configurations required for a golden VM image that can be used across organizations.

The following are the main use cases for Packer.