{
  "builders": [
    {
      "disk_compression": true,
      "disk_image": true,
      "disk_interface": "virtio-scsi",
      "disk_size": "{{user `disk_size`}}",
      "headless": true,
      "iso_checksum": "sha256:{{user `iso_checksum`}}",
      "iso_url": "{{user `iso_url`}}",
      "net_device": "virtio-net-pci",
      "qemuargs": [
        [
          "-cdrom",
          "centos-cloud-init-data.iso"
        ]
      ],
      "shutdown_command": "sudo shutdown -P now",
      "ssh_password": "centos",
      "ssh_timeout": "3600s",
      "ssh_username": "centos",
      "type": "qemu",
      "vm_name": "{{user `vm_name`}}"
    }
  ],
  "provisioners": [
    {
      "execute_command": "sudo env {{ .Vars }} {{ .Path }}",
      "script": "scripts/upgrade-os.sh",
      "type": "shell"
    },
    {
      "execute_command": "sudo env {{ .Vars }} {{ .Path }}",
      "script": "scripts/centos-gns3-user.sh",
      "type": "shell"
    },
    {
      "execute_command": "sudo env {{ .Vars }} {{ .Path }}",
      "script": "scripts/post_setup.sh",
      "type": "shell"
    }
  ],
  "variables": {
    "disk_size": "20G",
    "iso_checksum": "8717251f8e4d2fe3e5032799caae89358c1ba68d65a16b5128a59ec6003aac1c",
    "iso_url": "https://cloud.centos.org/centos/8-stream/x86_64/images/CentOS-Stream-GenericCloud-8-20220913.0.x86_64.qcow2",
    "setup_script": "centos8.sh",
    "vm_name": "centos8.qcow2"
  }
}