{
"variables": {
"iso_base_url": "http://cdimage.ubuntu.com/releases/18.04/release",
"iso_checksum_type": "sha256",
"vm_name": "ubuntu-18.04-amd64",
"http_dir": "http",
"preseed_path": "ubuntu-18.04/preseed.cfg",
"shutdown_command": "systemctl poweroff",
"ssh_password": "{{ env `ROOTPW` }}"
},
"builders": [{
"type": "qemu",
"accelerator": "kvm",
"iso_url": "{{ user `iso_base_url` }}/ubuntu-18.04.4-server-amd64.iso",
"iso_checksum_url": "{{ user `iso_base_url` }}/SHA256SUMS",
"iso_checksum_type": "{{ user `iso_checksum_type` }}",
"output_directory": "{{ user `output_directory` }}",
"vm_name": "{{ user `vm_name` }}",
"disk_size": "{{ user `disk_size` }}",
"format": "qcow2",
"headless": "{{ user `headless` }}",
"boot_wait": "5s",
"ssh_timeout": "{{user `ssh_timeout`}}",
"ssh_username": "{{ user `ssh_username` }}",
"ssh_password": "{{ user `ssh_password` }}",
"shutdown_command": "{{ user `shutdown_command` }}",
"http_directory": "{{ user `http_dir` }}",
"boot_command": [
"<esc><wait>",
"<esc><wait>",
"<enter><wait>",
"/install/vmlinuz ",
"initrd=/install/initrd.gz ",
"auto=true ",
"passwd/root-password={{ user `ssh_password` }} ",
"passwd/root-password-again={{ user `ssh_password` }} ",
"debconf/priority=critical ",
"preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/{{ user `preseed_path` }} ",
"<enter>"
],
"qemuargs": [
["-cpu", "host"],
["-m", "{{user `memory`}}"],
["-smp", "{{user `cpus`}}"]
]
}],
"provisioners": [{
"type": "ansible",
"playbook_file": "{{ user `playbook` }}",
"extra_arguments": "{{ user `extra_ansible_args` }}"
}]
}