infra: introduce terraform/opentofu for proxmox management

- move ansible project within infra
- introduce terraform/opentofu for proxmox VM management

infra/ansible/inventory/group_vars/all.yaml

@@ -0,0 +1,11 @@
+# Proxmox access related variables
+proxmox_api_url: "192.168.1.121"
+
+# Cloud-init image related variables
+image_url: "https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
+image_dest: "/tmp/cloud-image.img"
+image_format: "qcow2"
+storage_name: "local"
+
+# ansible venv
+ansible_venv: "/home/taqi/.venv/ansible/bin/python"

infra/ansible/inventory/group_vars/vms.yaml

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+apt_packages:
+  - curl
+  - vim
+  - htop
+
+# Kubernetes k0sctl configuration vars
+master1_ip: "192.168.1.151"
+master1_hostname: "vm6"
+master2_ip: "192.168.1.161"
+master2_hostname: "vm8"
+worker1_ip: "192.168.1.152"
+worker1_hostname: "vm7"
+worker2_ip: "192.168.1.162"
+worker2_hostname: "vm9"
+
+pod_CIDR: "10.244.0.0/16"
+service_CIDR: "10.96.0.0/12"
+metallb_ip_range: "192.168.1.201-192.168.1.220"
+
+k0s_version: "v1.33.2+k0s.0"
+metallb_version: "0.15.2"
+traefik_version: "36.2.0"

infra/ansible/inventory/host_vars/proxmox1.yaml

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+# VM related variables
+vm_list:
+  - id: 106
+    name: "vm6"
+    memory: 4096
+    cores: 2
+    disk_size: 30G
+    ip: "192.168.1.151/24"
+    gateway: "192.168.1.1"
+    nameserver1: "192.168.1.145"
+    nameserver2: "1.1.1.1"
+  - id: 107
+    name: "vm7"
+    memory: 4096
+    cores: 2
+    disk_size: 30G
+    ip: "192.168.1.152/24"
+    gateway: "192.168.1.1"
+    nameserver1: "192.168.1.145"
+    nameserver2: "1.1.1.1"
+
+# cloud-init variables
+node: "homeserver1"
+net0: "virtio,bridge=vmbr0"
+# disk_name: "local:1000/vm-1000-disk-0.raw,discard=on"
+disk_path: "/var/lib/vz/images/1000"
+ide2: "local:cloudinit,format=qcow2"
+boot_order: "order=scsi0"
+scsi_hw: "virtio-scsi-pci"

infra/ansible/inventory/host_vars/proxmox2.yaml

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+# VM related variables
+vm_list:
+  - id: 206
+    name: "vm8"
+    memory: 4096
+    cores: 2
+    disk_size: 30G
+    ip: "192.168.1.161/24"
+    gateway: "192.168.1.1"
+    nameserver1: "192.168.1.145"
+    nameserver2: "1.1.1.1"
+  - id: 207
+    name: "vm9"
+    memory: 4096
+    cores: 2
+    disk_size: 30G
+    ip: "192.168.1.162/24"
+    gateway: "192.168.1.1"
+    nameserver1: "192.168.1.145"
+    nameserver2: "1.1.1.1"
+
+# cloud-init template variables
+node: "homeserver2"
+net0: "virtio,bridge=vmbr0"
+# disk_name: "local:2000/vm-2000-disk-0.raw,discard=on"
+disk_path: "/var/lib/vz/images/2000"
+ide2: "local:cloudinit,format=qcow2"
+boot_order: "order=scsi0"
+scsi_hw: "virtio-scsi-pci"

infra/ansible/inventory/hosts.yaml

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+all:
+  children:
+    hypervisors:
+    vms:
+
+hypervisors:
+  children:
+    server1:
+    server2:
+
+server1:
+  hosts:
+    proxmox1:
+      ansible_host: 192.168.1.121
+      ansible_user:  "{{ ansible_proxmox_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+
+server2:
+  hosts:
+    proxmox2:
+      ansible_host: 192.168.1.122
+      ansible_user:  "{{ ansible_proxmox_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+
+vms:
+  children:
+    vm_group_1:
+    vm_group_2:
+
+vm_group_1:
+  hosts:
+    vm6:
+      ansible_host: 192.168.1.151
+      ansible_user: "{{ ansible_vm_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+    vm7:
+      ansible_host: 192.168.1.152
+      ansible_user: "{{ ansible_vm_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+
+vm_group_2:
+  hosts:
+    vm8:
+      ansible_host: 192.168.1.161
+      ansible_user: "{{ ansible_vm_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+    vm9:
+      ansible_host: 192.168.1.162
+      ansible_user: "{{ ansible_vm_user }}"
+      ansible_ssh_private_key_file: "{{ ansible_ssh_private_key_file }}"
+