This Packer template will build a Debian 12 image template on Proxmox with a Nomad client and Consul client(optional), Docker, and Podman installed. A default configuration file has been provided, but you can customize it to your liking and it will be uploaded into the image during the build process.
Below are the task drivers enabled on the image, but you are free to customize the template files to fit your needs.
- Docker
- Podman
- Raw_exec
- A functioning Nomad 1.6+ server and client. This can be the same node. I run my primary Nomad server and client node on a Synology NAS and this tool builds the clients on another server with Proxmox.
- Packer 1.9+
- Proxmox 7.x
- Internet Connectivity (for downloading binaries and ISO)
- Consul server (If using Consul integration)
git clone https://github.com/awanaut/proxmox-packer-nomad-client.git && cd proxmox-packer-nomad-client- Edit
variables.auto.pkrvars.hclto fit your environment. I have included some defaults to assist and an explanation below. - Edit
nomad.pkrtpl.hclto fit your environment. Visit Nomad docs for more information on configuration options. - If using Enterprise binary, add license key to
license.hclic.tpl - If using Consul, edit
consul.pkrtpl.hclto fit your environment. - Run
packer build -force .
Variables that have no defaults that cant be assumed about your setup.
| Variable | Type | Default | Description |
|---|---|---|---|
| proxmox_host | String | Proxmox host API IP/Port Ie. 10.1.1.101:8006 | |
| proxmox_node | String | Friendly node name in Promox to deploy image on | |
| proxmox_api_user | String | root | User with API permissions |
| proxmox_api_password | String | Password of API user | |
| ssh_password | String | root password for OS image |
Variables that have reasonable defaults but may need to be customized for your environment.
| Variable | Type | Default | Description |
|---|---|---|---|
| iso_storage_pool | String | local | Storage pool for downloaded Debian ISO |
| cloudinit_storage_pool | String | local-lvm | Cloud init drive location |
| hostname | String | nomad-template | hostname and template name |
| vm_id | String | 9999 | A vm id must be set for the provider so the template can be overwritten if rerunning Packer |
| Variable | Type | Default | Description |
|---|---|---|---|
| cores | Integer | 1 | CPU cores of image |
| cpu_type | String | kvm64 | CPU type. Dont change this unless you know what you're doing. |
| memory | Integer | 2048 | Memory of the image |
| disk_size | Integer | 32 | Disk size in GB, I wouldn't go lower than 16. 32 or higher is recommended. |
| disk_format | String | raw | Disk format |
| network_vlan | Integer | 0 | VLAN tag |
| os_user | String | nomad | Debian user to create |
| os_password | String | nomad | Password of os_user |
If you're new to Nomad, I would leave the defaults. Otherwise, you can specify a few variables to allow touch-less joining of your clients to your cluster.
| Variable | Type | Default | Description |
|---|---|---|---|
| nomad_ver | String | 1.6.1 | Version number |
| create_nfs_mount | bool | false | Set to true if you want to mount to an nfs share. nfs_shares & nfs_server must be specified. |
| nfs_shares | array(String) | An array of nfs shares to add to your clients node and expose within Nomad. Ie. ["/volume1/share1", "/volume2/share2"] | |
| nfs_server | String | nfs server to mount your shares on. Ensure the os_user you specified and/or the subnet you are deploying to has appropriate permissions. |
| Variable | Type | Default | Description |
|---|---|---|---|
| consul_install | bool | false | If true, install the Consul binary in client mode and copy over the config file. There is currently no dynamic templating, so ensure the consul.pkrtpl.hcl file is accurate to your environment. |
| enterprise | bool | false | If true, downloads the enterprise binary and copies over the license file. Ensure the correct license is in the license.hclic.tpl file or else Nomad will not start |
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