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Max Pfeiffer
2025-09-18 19:21:44 +02:00
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# proxmox-talos-opentofu
Proof of concept project using [OpenTofu](https://opentofu.org/) to install a Kubernetes cluster on a Proxmox
Proof of concept project using [OpenTofu](https://opentofu.org/) to install a Kubernetes cluster on a Proxmox VE
hypervisor using [Talos Linux](https://www.talos.dev/).
## Requirements
@@ -12,28 +12,44 @@ The project is grouped in two modules:
* proxmox: provisioning of virtual machines, operating systems and Kubernetes cluster
* kubernetes: provisioning of Kubernetes cluster resources
So you want first to provision the Proxmox part: create a `credentials.auto.tfvars` file based on the example.
### Proxmox VE
So you want first to provision the Proxmox part: create a `configuration.auto.tfvars` file based on the example and
edit it so it suits your needs:
```shell
cd proxmox
cope configuration.auto.tfvars.example configuration.auto.tfvars
vim configuration.auto.tfvars
```
Then apply the configuration using OpenTofu:
```shell
tofu init
tofu plan
tofu apply
```
You can then grab and move the kube config file for Kubernetes provisioning like so:
```shell
tofu output kubeconfig -raw > ~/.kube/config
chmod 600 ~/.kube/config
```
Test if your cluster access works by listing the nodes:
```shell
kubectl get nodes
```
You might need to wait a bit until the cluster comes up. Proceed with the next step when all nodes are in the `ready`
state.
Secondly, you can provision the Resources inside the Kubernetes cluster:
### Kubernetes
Secondly, you can provision the Resources inside the Kubernetes cluster. Currently, this project just installs
ArgoCD in the `argocd` namespace in the cluster. You can then add on top of this by adding your own resources
using the GitOps approach.
You need to create a `configuration.auto.tfvars` file as well first:
```shell
cd kubernetes
cope configuration.auto.tfvars.example configuration.auto.tfvars
vim configuration.auto.tfvars
```
Then do the provisiong with OpenTofu:
```shell
tofu init
tofu plan
tofu apply