packer.json

{
  "builders": [
    {
      "boot_command": [
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<tab><tab><tab><tab><tab><tab><tab><tab><tab><tab><wait>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
        "vmlinuz initrd=initrd.img inst.stage2=cdrom quite text <wait5>",
        "net.ifnames=0 biosdevname=0 systemd.unified_cgroup_hierarchy=0 <wait5>",
        "inst.ks=http://{{.HTTPIP}}:{{.HTTPPort}}/ks.cfg <wait5>",
        "<enter>"
      ],
      "boot_wait": "1s",
      "cpus": 2,
      "disk_size": 131072,
      "gfx_accelerate_3d": false,
      "gfx_controller": "vboxsvga",
      "guest_additions_mode": "upload",
      "guest_os_type": "RedHat_64",
      "headless": true,
      "http_directory": "./",
      "iso_checksum": "e33d7b1ea7a9e2f38c8f693215dd85254c3a4fe446f93f563279715b68d07987",
      "iso_url": "http://vault.centos.org/centos/7.9.2009/isos/x86_64/CentOS-7-x86_64-DVD-2009.iso",
      "memory": 16384,
      "shutdown_command": "sudo shutdown -h now",
      "ssh_password": "vagrant",
      "ssh_port": 22,
      "ssh_read_write_timeout": "600s",
      "ssh_timeout": "120m",
      "ssh_username": "vagrant",
      "type": "virtualbox-iso",
      "vboxmanage": [
        [
          "modifyvm",
          "{{.Name}}",
          "--cpu-profile",
          "host"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--nested-hw-virt",
          "on"
        ],
        [
          "modifyvm",
          "{{.Name}}",
          "--nat-localhostreachable1",
          "on"
        ]
      ],
      "vrdp_bind_address": "0.0.0.0",
      "vrdp_port_max": 6000,
      "vrdp_port_min": 5900
    }
  ],
  "post-processors": [
    {
      "inline": [
        "set -eu",
        "export _IMAGE=\"$(ls -1d output-virtualbox-iso/packer-virtualbox-iso-*.vmdk)\"",
        "sudo qemu-img convert -f vmdk -O qcow2 \"$_IMAGE\" \"$_IMAGE.convert\"",
        "sudo rm -rf \"$_IMAGE\"",
        "sudo chmod a+r /boot/vmlinuz*",
        "sudo virt-customize --no-network -a \"$_IMAGE.convert\" --delete \"/var/lib/*/random-seed\" --delete \"/var/lib/wicked/*\" --firstboot-command \"/usr/local/bin/virt-sysprep-firstboot.sh\"",
        "sudo virt-sysprep --operations defaults,-ssh-userdir,-customize -a \"$_IMAGE.convert\"",
        "sudo virt-sparsify --in-place \"$_IMAGE.convert\"",
        "sudo qemu-img convert -f qcow2 -O vmdk \"$_IMAGE.convert\" \"$_IMAGE\"",
        "sudo rm -rf \"$_IMAGE.convert\""
      ],
      "type": "shell-local"
    },
    {
      "compression_level": 9,
      "keep_input_artifact": true,
      "output": "output-vagrant/package.box",
      "provider_override": "virtualbox",
      "type": "vagrant"
    }
  ],
  "provisioners": [
    {
      "inline": [
        "set -eu",
        "sudo sed -i 's/mirror.centos.org/vault.centos.org/g' /etc/yum.repos.d/*.repo",
        "sudo sed -i 's?dl.fedoraproject.org/pub/epel?archives.fedoraproject.org/pub/archive/epel?g' /etc/yum.repos.d/*.repo",
        "sudo sed -i 's/^#.*baseurl=http/baseurl=http/g' /etc/yum.repos.d/*.repo",
        "sudo sed -i 's/^mirrorlist=http/#mirrorlist=http/g' /etc/yum.repos.d/*.repo",
        "sudo sed -i 's/enabled=1/enabled=0/g' /etc/yum/pluginconf.d/fastestmirror.conf || true",
        "sudo yum makecache",
        "sudo yum update -y",
        "sudo yum install -y ca-certificates curl gcc glibc-common gnupg2 hostname iproute python3 sudo yum-utils",
        "sudo yum install -y http://archives.fedoraproject.org/pub/archive/epel/7/x86_64/Packages/d/dkms-3.0.12-1.el7.noarch.rpm",
        "sudo yum install -y bzip2 dkms kernel-devel",
        "sudo mount -o loop VBoxGuestAdditions.iso /mnt",
        "(echo 'y' | sudo sh /mnt/VBoxLinuxAdditions.run) || echo $?",
        "sudo umount /mnt"
      ],
      "type": "shell"
    },
    {
      "galaxy_file": "./ansible-galaxy-requirements.yml",
      "inventory_directory": "./",
      "playbook_file": "./packer.yml",
      "type": "ansible",
      "user": "vagrant"
    }
  ]
}