feat(pb,role,task): generalize names of common pre_tasks and their variables, specifies LXC-specific ones

roles/deploy_lxc_on_proxmox/tasks/main.yaml

@@ -12,7 +12,7 @@
 
     cmode: "shell"
     password: "{{ lxc_root_password }}"
-    hostname: "{{ lxc_hostname }}"
+    hostname: "{{ guest_hostname }}"
     ostemplate: 'main:vztmpl/debian-13-golden-image.tar.gz'
     unprivileged: "{{ lxc_privileged }}"
     memory: 2048
@@ -26,7 +26,7 @@
       storage: local
     pubkey: "{{ lookup('file', lookup('env', 'HOME') + '/.ssh/ansible_key.pub') }}"
     netif:
-      net0: "name=eth0,gw=192.168.0.1,ip={{ lxc_ip_address }}/{{ lxc_netmask }},bridge=vmbr0"
+      net0: "name=eth0,gw=192.168.0.1,ip={{ guest_ip_address }}/{{ guest_netmask }},bridge=vmbr0"
 
 - name: Make sure the container has started
   become: false
@@ -38,7 +38,7 @@
     api_token_id: ansible
     api_token_secret: "{{ proxmox_token_secret }}"
 
-    hostname: "{{ lxc_hostname }}"
+    hostname: "{{ guest_hostname }}"
     state: started
   retries: 3
   delay: 15