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These Packer templates create Ubuntu and CentOS Linux OVA images primarily via the VirtualBox builder. However, the templates are straightforward enough to be used as a based for other work:

These templates have been tested on macOS v10.15.4, and some on Windows 10. You need at least the following versions of these applications:

• VirtualBox v6.1.6
• Packer v1.5.6

Validate a specific template, then build the image. For example:

packer validate ubuntu1804.json
packer build ubuntu1804.json

Test the new OVA image with something like the vm utility (hosted here) to test the OVA image:

vm create dev1 output-virtualbox-iso/ubuntu1804.ova
vm start dev1
vm ssh dev1
vm imgimp output-virtualbox-iso/ubuntu1804.ova

Vagrant is another open-source software product for building and maintaining portable virtual software development environments. To use these OS images with Vagrant you can either:

1. Run vagrant package [etc] against a VM created from one of these default OVA images, or

2. Create a new template based on one of these templates, by adding a post-processors stanza, like this:

  "post-processors": [
    {
      "type": "vagrant",
      "keep_input_artifact": true,
      "output": "./centos72003.box",
      "vagrantfile_template": "./Vagrantfile"
    }
  ]

A Vagrantfile is included as example, but you'll need to read more of the Vagrant documentation for further use.

Of course, once you have a working Vagrantfile, you can test with commands such as:

vagrant up
vagrant ssh
vagrant destroy
vagrant box remove ubuntu1804

Also included is a Packer template to create a Parallels PVM OS image. Note that this is a still a work in progress.

To play with this further, make sure you install Parallels v14.1.0 or above, and the Parallels Virtualization SDK, as well as the Vagrant provider (if using Vagrant):

brew cask install parallels-virtualization-sdk
vagrant plugin install vagrant-parallels

To build the images:

packer validate centos71908pvm.json   # Confirm template is good
packer build centos71908pvm.json      # Build CentOS 7 1908 Parallels PVM machine

Also a Packer template to create an Amazon AMIs.

Tested from macOS v10.14.2, but should work on any Linux OS.

• On target AWS account, create a packer IAM user, and attach below PackerBuilder policy.

  {
    "Version": "2012-10-17",
    "Statement": [
      {
        "Sid": "PackerBuilder",
        "Effect": "Allow",
        "Action": [
          "ec2:AttachVolume",
          "ec2:AuthorizeSecurityGroupIngress",
          "ec2:CopyImage",
          "ec2:CopyImage",
          "ec2:CreateImage",
          "ec2:CreateKeypair",
          "ec2:CreateSecurityGroup",
          "ec2:CreateSnapshot",
          "ec2:CreateTags",
          "ec2:CreateVolume",
          "ec2:DeleteKeypair",
          "ec2:DeleteSecurityGroup",
          "ec2:DeleteSnapshot",
          "ec2:DeleteVolume",
          "ec2:DeregisterImage",
          "ec2:DescribeImageAttribute",
          "ec2:DescribeImages",
          "ec2:DescribeInstances",
          "ec2:DescribeRegions",
          "ec2:DescribeSecurityGroups",
          "ec2:DescribeSnapshots",
          "ec2:DescribeSubnets",
          "ec2:DescribeTags",
          "ec2:DescribeVolumes",
          "ec2:DetachVolume",
          "ec2:GetPasswordData",
          "ec2:ModifyImageAttribute",
          "ec2:ModifyInstanceAttribute",
          "ec2:ModifySnapshotAttribute",
          "ec2:RegisterImage",
          "ec2:RunInstances",
          "ec2:StopInstances",
          "ec2:TerminateInstances"
        ],
        "Resource": "*"
      }
    ]
  }
  

• Logon to target AWS account via CLI using above packer user.

• Ensure aws_source_ami is the CentOS 7 image base you need.

• Ensure aws_security_group_ids are valid EC2 Security Group IDs in your target AWS account

• STILL UNDER CONSTRUCTION ... there are more parameters

Build image by doing the usual:

packer validate centos71908ami.json  # First, confirm template is good
packer build centos71908ami.json     # Build CentOS 7 AMI