feat(pb,role,task): adds storage validation and uses it in LXC and VM deployment

roles/deploy_lxc_on_proxmox/tasks/main.yaml

@@ -22,8 +22,10 @@
       # This is minimal requirement for rootfs
       # It might be resized later
       size: 4 # 4GB rootfs
-      # We put rootfs on fast local storage (NVMe SSD)
-      storage: local
+      # We put rootfs on user-selected sotrage
+      storage: "{{ guest_storage }}"
+    # We need timeout in case a slow storage is used, since it may cause a significant delay
+    timeout: 90
     pubkey: "{{ lookup('file', lookup('env', 'HOME') + '/.ssh/ansible_key.pub') }}"
     netif:
       net0: "name=eth0,gw=192.168.0.1,ip={{ guest_ip_address }}/{{ guest_netmask }},bridge=vmbr0"