my_centos-7.json

{
  "_comment": "NAME=my_centos-7-x86_64 CENTOS_VERSION=7 CENTOS_TYPE=NetInstall CENTOS_TAG=1908 PACKER_IMAGES_OUTPUT_DIR=/var/tmp/ packer build -only=qemu my_centos-7.json",
  "variables": {
    "name": "{{ env `NAME` }}",
    "packer_images_output_dir": "{{ env `PACKER_IMAGES_OUTPUT_DIR` }}",
    "cpus": "2",
    "memory": "4096",
    "centos_type": "{{ env `CENTOS_TYPE` }}",
    "centos_version": "{{ env `CENTOS_VERSION` }}",
    "centos_tag": "{{ env `CENTOS_TAG` }}",
    "centos_mirror": "http://ftp.cvut.cz/centos/",
    "ssh_username": "vagrant",
    "ssh_password": "vagrant",
    "preseed_file_name": "my-ks.cfg",
    "disk_size": "51200",
    "headless": "false"
  },

  "builders":
  [
    {
      "vm_name": "{{ user `name` }}",
      "type": "qemu",
      "iso_checksum_type": "sha256",
      "iso_checksum_url": "{{ user `centos_mirror` }}{{ user `centos_version` }}/isos/x86_64/sha256sum.txt",
      "iso_urls": [ "{{ user `centos_mirror` }}{{ user `centos_version` }}/isos/x86_64/CentOS-{{ user `centos_version` }}-x86_64-{{ user `centos_type` }}-{{ user `centos_tag` }}.iso" ],
      "ssh_username": "{{ user `ssh_username` }}",
      "ssh_password": "{{ user `ssh_password` }}",
      "ssh_wait_timeout": "60m",
      "accelerator": "kvm",
      "headless": "{{ user `headless` }}",
      "output_directory": "{{ user `name` }}-qemu",
      "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",

      "accelerator": "kvm",
      "qemuargs": [
        [ "-m", "{{ user `memory` }}" ],
        [ "-smp", "{{ user `cpus` }}" ]
      ],
      "boot_wait": "5s",
      "boot_command":
      [
        "<tab> text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/centos{{ user `centos_version` }}/my-ks.cfg<enter>"
      ],
      "disk_size": "{{ user `disk_size` }}",
      "http_directory": "http"
    },
    {
      "vm_name": "{{ user `name` }}",
      "type": "virtualbox-iso",
      "guest_os_type": "RedHat_64",
      "iso_checksum_type": "sha256",
      "iso_checksum_url": "{{ user `centos_mirror` }}{{ user `centos_version` }}/isos/x86_64/sha256sum.txt",
      "iso_urls": [ "{{ user `centos_mirror` }}{{ user `centos_version` }}/isos/x86_64/CentOS-{{ user `centos_version` }}-x86_64-{{ user `centos_type` }}-{{ user `centos_tag` }}.iso" ],
      "ssh_username": "{{ user `ssh_username` }}",
      "ssh_password": "{{ user `ssh_password` }}",
      "ssh_wait_timeout": "60m",
      "headless": "{{ user `headless` }}",
      "output_directory": "{{ user `name` }}-virtualbox-iso",
      "shutdown_command": "echo 'vagrant' | sudo -S shutdown -P now",

      "hard_drive_interface": "sata",
      "disk_size": "{{ user `disk_size` }}",
      "vboxmanage": [
        [
          "modifyvm",
          "{{ .Name }}",
          "--cpus",
          "{{ user `cpus` }}"
        ],
        [
          "modifyvm",
          "{{ .Name }}",
          "--memory",
          "{{ user `memory` }}"
        ],
        [
          "modifyvm",
          "{{ .Name }}",
          "--audiocontroller",
          "hda"
        ]
      ],
      "boot_wait": "5s",
      "boot_command":
      [
        "<tab> text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/centos{{ user `centos_version` }}/my-ks.cfg<enter>"
      ],
      "http_directory": "http"
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "execute_command": "echo 'vagrant' | {{ .Vars }} sudo -S -E bash -x '{{ .Path }}'",
      "scripts": [
        "scripts/linux-common/vagrant.sh"
      ]
    },
    {
      "type": "ansible",
      "user": "vagrant",
      "ansible_env_vars": [ "ANSIBLE_CONFIG=ansible/ansible.cfg" ],
      "extra_arguments": [ "--become", "--extra-vars", "packer_build_name={{ user `name` }}" ],
      "sftp_command": "/usr/libexec/openssh/sftp-server -e",
      "playbook_file": "ansible/site.yml"
    },
    {
      "type": "shell",
      "execute_command": "echo 'vagrant' | {{ .Vars }} sudo -S -E bash -x '{{ .Path }}'",
      "scripts": [
        "scripts/linux-common/cleanup.sh"
      ]
    }
  ],
  "post-processors": [
    [
      {
        "type": "vagrant",
        "compression_level": 9,
        "vagrantfile_template": "Vagrantfile-linux.template",
        "output": "{{ user `packer_images_output_dir` }}/{{ user `name` }}-{{ .Provider }}.box"
      }
    ]
  ]
}