packer.json

{
    "variables": {
        "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
        "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}",
        "helm_ver": "{{env `HELM_VER`}}",
        "kubectl_ver": "{{env `KUBECTL_VER`}}",
        "helmfile_ver": "{{env `HELMFILE_VERSION`}}",
        "doctl_ver": "{{env `DOCTL_VERSION`}}",
        "terraform_ver": "{{env `TERRAFORM_VERSION`}}"
    },
    "builders": [
        {
            "type": "amazon-ebs",
            "access_key": "{{user `aws_access_key`}}",
            "secret_key": "{{user `aws_secret_key`}}",
            "region": "eu-central-1",
            "source_ami": "ami-0b418580298265d5c",
            "instance_type": "t2.micro",
            "ssh_username": "ubuntu",
            "tags": {
                "OS_Version": "Ubuntu",
                "Terraform": "{{user `terraform_ver`}}"
            },
            "ami_name": "Kitchen {{timestamp}}",
            "ami_description": "A list of tools are required to work with Gitlab and Kubernetes (AWS EKS / DOKS)"
        }
    ],
    "provisioners": [
        {
            "type": "shell",
            "inline": [
                "sudo apt-get update",
                "sudo apt-get install -qy unzip python python-pip",
                "sudo pip install awscli",
                "wget https://github.com/stedolan/jq/releases/download/jq-1.6/jq-linux64",
                "sudo mv jq-linux64 /usr/local/bin/jq && sudo chmod +x /usr/local/bin/jq && jq --version"
            ]
        },
        {
            "type": "shell",
            "scripts": [
                "./scripts/install_doctl.sh",
                "./scripts/install_eksctl.sh",
                "./scripts/install_helm.sh",
                "./scripts/install_helm_plugins.sh",
                "./scripts/install_helmfile.sh",
                "./scripts/install_kubectl.sh",
                "./scripts/install_terraform.sh"
            ],
            "execute_command": "chmod +x {{ .Path }}; sudo {{ .Vars }} {{ .Path }}",
            "environment_vars": [
                "DOCTL_VERSION={{user `doctl_ver`}}",
                "HELM_VER={{user `helm_ver`}}",
                "HELMFILE_VERSION={{user `helmfile_ver`}}",
                "KUBECTL_VERSION={{user `kubectl_ver`}}",
                "TERRAFORM_VERSION={{user `terraform_ver`}}",
                "PACKER_VERSION=1.5.1"
            ]
        },
        {
            "type": "shell",
            "inline": [
                "sleep 30",
                "sudo apt-get update",
                "sudo apt-get install -y docker.io"
            ]
        }
    ]
}