Remove defaults for required vars

roles/environment/tasks/main.yml

@@ -17,7 +17,7 @@
 
     - name: Abort if the host is not booted from the Arch install media
       when:
-        - not (custom_iso | bool)
+        - not custom_iso_enabled
         - not environment_archiso_stat.stat.exists
       ansible.builtin.fail:
         msg: This host is not booted from the Arch install media!
@@ -40,7 +40,7 @@
     - name: Set IP-Address
       when:
         - hypervisor == "vmware"
-        - vm_ip | length > 0
+        - vm_ip is defined and vm_ip | length > 0
       ansible.builtin.command: >-
         ip addr replace {{ vm_ip }}/{{ vm_nms }}
         dev {{ environment_interface_name }}
@@ -50,8 +50,8 @@
     - name: Set Default Gateway
       when:
         - hypervisor == "vmware"
-        - vm_gw | length > 0
-        - vm_ip | length > 0
+        - vm_gw is defined and vm_gw | length > 0
+        - vm_ip is defined and vm_ip | length > 0
       ansible.builtin.command: "ip route replace default via {{ vm_gw }}"
       register: environment_gateway_result
       changed_when: environment_gateway_result.rc == 0
@@ -62,7 +62,7 @@
       changed_when: false
 
     - name: Configure SSH for root login
-      when: hypervisor == "vmware" and (vmware_ssh | bool)
+      when: hypervisor == "vmware" and (vmware_ssh is defined and vmware_ssh | bool)
       block:
         - name: Allow login
           ansible.builtin.replace:
@@ -88,14 +88,14 @@
     - name: Prepare installer environment
       block:
         - name: Speed-up Bootstrap process
-          when: not (custom_iso | bool)
+          when: not custom_iso_enabled
           ansible.builtin.lineinfile:
             path: /etc/pacman.conf
             regexp: ^#ParallelDownloads =
             line: ParallelDownloads = 20
 
         - name: Wait for pacman lock to be released
-          when: not (custom_iso | bool)
+          when: not custom_iso_enabled
           ansible.builtin.wait_for:
             path: /var/lib/pacman/db.lck
             state: absent
@@ -104,7 +104,7 @@
 
         - name: Setup Pacman
           when:
-            - not (custom_iso | bool)
+            - not custom_iso_enabled
             - "'os' not in item or os in item.os"
           community.general.pacman:
             update_cache: true