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---
description: |
The proxmox Packer builder is able to create new images for use with
Proxmox VE. The builder takes an ISO source, runs any provisioning
necessary on the image after launching it, then creates a virtual machine
template.
layout: docs
page_title: 'Proxmox - Builders'
sidebar_current: 'docs-builders-proxmox'
---
# Proxmox Builder
Type: `proxmox`
The `proxmox` Packer builder is able to create new images for use with
[Proxmox](https://www.proxmox.com/en/proxmox-ve). The builder takes an ISO
image, runs any provisioning necessary on the image after launching it, then
creates a virtual machine template. This template can then be used as to
create new virtual machines within Proxmox.
The builder does *not* manage templates. Once it creates a template, it is up
to you to use it or delete it.
## Configuration Reference
There are many configuration options available for the builder. They are
segmented below into two categories: required and optional parameters. Within
each category, the available configuration keys are alphabetized.
In addition to the options listed here, a
[communicator](/docs/templates/communicator.html) can be configured for this
builder.
### Required:
- `proxmox_url` (string) - URL to the Proxmox API, including the full path,
so `https://<server>:<port>/api2/json` for example.
Can also be set via the `PROXMOX_URL` environment variable.
- `username` (string) - Username when authenticating to Proxmox, including
the realm. For example `user@pve` to use the local Proxmox realm.
Can also be set via the `PROXMOX_USERNAME` environment variable.
- `password` (string) - Password for the user.
Can also be set via the `PROXMOX_PASSWORD` environment variable.
- `node` (string) - Which node in the Proxmox cluster to start the virtual
machine on during creation.
- `iso_file` (string) - Path to the ISO file to boot from, expressed as a
proxmox datastore path, for example
`local:iso/Fedora-Server-dvd-x86_64-29-1.2.iso`
### Optional:
- `insecure_skip_tls_verify` (bool) - Skip validating the certificate.
- `vm_name` (string) - Name of the virtual machine during creation. If not
given, a random uuid will be used.
- `vm_id` (int) - The ID used to reference the virtual machine. This will
also be the ID of the final template. If not given, the next free ID on
the node will be used.
- `memory` (int) - How much memory, in megabytes, to give the virtual
machine. Defaults to `512`.
- `cores` (int) - How many CPU cores to give the virtual machine. Defaults
to `1`.
- `sockets` (int) - How many CPU sockets to give the virtual machine.
Defaults to `1`
- `os` (string) - The operating system. Can be `linux`, `windows`, `solaris`
or `other`. Defaults to `other`.
- `network_adapters` (array of objects) - Network adapters attached to the
virtual machine. Example:
```json
[
{
"model": "virtio",
"bridge": "vmbr0",
"vlan_tag": "10"
}
]
```
- `bridge` (string) - Required. Which Proxmox bridge to attach the
adapter to.
- `model` (string) - Model of the virtual network adapter. Can be
`rtl8139`, `ne2k_pci`, `e1000`, `pcnet`, `virtio`, `ne2k_isa`,
`i82551`, `i82557b`, `i82559er`, `vmxnet3`, `e1000-82540em`,
`e1000-82544gc` or `e1000-82545em`. Defaults to `e1000`.
- `mac_address` (string) - Give the adapter a specific MAC address. If
not set, defaults to a random MAC.
- `vlan_tag` (string) - If the adapter should tag packets. Defaults to
no tagging.
- `disks` (array of objects) - Disks attached to the virtual machine.
Example:
```json
[
{
"type": "scsi",
"size": "5G",
"storage_pool": "local-lvm",
"storage_pool_type": "lvm"
}
]
```
- `storage_pool` (string) - Required. Name of the Proxmox storage pool
to store the virtual machine disk on. A `local-lvm` pool is allocated
by the installer, for example.
- `storage_pool_type` (string) - Required. The type of the pool, can
be `lvm`, `lvm-thin`, `zfs` or `directory`.
- `type` (string) - The type of disk. Can be `scsi`, `sata`, `virtio` or
`ide`. Defaults to `scsi`.
- `size` (string) - The size of the disk, including a unit suffix, such
as `10G` to indicate 10 gigabytes.
- `cache_mode` (string) - How to cache operations to the disk. Can be
`none`, `writethrough`, `writeback`, `unsafe` or `directsync`.
Defaults to `none`.
- `format` (string) - The format of the file backing the disk. Can be
`raw`, `cow`, `qcow`, `qed`, `qcow2`, `vmdk` or `cloop`. Defaults to
`raw`.
- `template_name` (string) - Name of the template. Defaults to the generated
name used during creation.
- `template_description` (string) - Description of the template, visible in
the Proxmox interface.
- `unmount_iso` (bool) - If true, remove the mounted ISO from the template
after finishing. Defaults to `false`.
## Example: Fedora with kickstart
Here is a basic example creating a Fedora 29 server image with a Kickstart
file served with Packer's HTTP server. Note that the iso file needs to be
manually downloaded.
``` json
{
"variables": {
"username": "apiuser@pve",
"password": "supersecret"
},
"builders": [
{
"type": "proxmox",
"proxmox_url": "https://my-proxmox.my-domain:8006/api2/json",
"insecure_skip_tls_verify": true,
"username": "{{user `username`}}",
"password": "{{user `password`}}",
"node": "my-proxmox",
"network_adapters": [
{
"bridge": "vmbr0"
}
],
"disks": [
{
"type": "scsi",
"size": "5G",
"storage_pool": "local-lvm",
"storage_pool_type": "lvm"
}
],
"iso_file": "local:iso/Fedora-Server-dvd-x86_64-29-1.2.iso",
"http_directory":"config",
"boot_wait": "10s",
"boot_command": [
"<up><tab> ip=dhcp inst.cmdline inst.ks=http://{{.HTTPIP}}:{{.HTTPPort}}/ks.cfg<enter>"
],
"ssh_username": "root",
"ssh_timeout": "15m",
"ssh_password": "packer",
"unmount_iso": true,
"template_name": "fedora-29",
"template_description": "Fedora 29-1.2, generated on {{ isotime \"2006-01-02T15:04:05Z\" }}"
}
]
}
```