base_image: custom-image: fix variable scoping conflicts

Replace all instances of 'register: result' with descriptive variable
names to prevent Ansible variable scoping conflicts that cause task
failures.

This prevents conditional logic from referencing wrong stat results and
eliminates race conditions in task execution.

Generated-by: Claude AI
Signed-off-by: Daniel Gomez <[email protected]

Author: dkruces

playbooks/roles/base_image/tasks/custom-image.yml

@@ -31,15 +31,15 @@
     get_attributes: false
     get_checksum: false
     get_mime: false
-  register: result
+  register: custom_image_stat
 
 - name: Fetch the custom image
   ansible.builtin.get_url:
     url: "{{ guestfs_custom_raw_image_url }}"
     dest: "{{ custom_image_dir }}"
     mode: "u=rw,g=r,o=r"
   when:
-    - not result.stat.exists
+    - not custom_image_stat.stat.exists
     - guestfs_has_custom_raw_image_url|bool
 
 - name: Check if the custom image sentinel file already exists
@@ -48,11 +48,11 @@
     get_attributes: false
     get_checksum: false
     get_mime: false
-  register: result
+  register: sentinel_stat
 
 - name: Check the custom image
   when:
-    - not result.stat.exists
+    - not sentinel_stat.stat.exists
     - guestfs_has_custom_raw_image_sha512sums|bool
   block:
     - name: Get the base name of the sha512sums file
@@ -69,15 +69,15 @@
         get_attributes: false
         get_checksum: false
         get_mime: false
-      register: result
+      register: sha512sums_stat
 
     - name: Fetch the sha512sums file
       ansible.builtin.get_url:
         url: "{{ guestfs_custom_raw_image_sha512sums_url }}"
         dest: "{{ custom_image_dir }}"
         mode: "u=rw,g=r,o=r"
       when:
-        - not result.stat.exists
+        - not sha512sums_stat.stat.exists
 
     - name: Compute checksum of something
       ansible.builtin.command:
@@ -97,31 +97,31 @@
     get_attributes: false
     get_checksum: false
     get_mime: false
-  register: result
+  register: custom_source_stat
 
 - name: Build the custom source
   ansible.builtin.template:
     src: "{{ role_path }}/templates/custom-source.j2"
     dest: "{{ custom_source }}"
     mode: "u=rw,g=r,o=r"
   when:
-    - not result.stat.exists
+    - not custom_source_stat.stat.exists
 
 - name: Check if the custom index exists
   ansible.builtin.stat:
     path: "{{ custom_index }}"
     get_attributes: false
     get_checksum: false
     get_mime: false
-  register: result
+  register: custom_index_stat
 
 - name: Build the custom index
   ansible.builtin.template:
     src: "{{ role_path }}/templates/custom-index.j2"
     dest: "{{ custom_index }}"
     mode: "u=rw,g=r,o=r"
   when:
-    - not result.stat.exists
+    - not custom_index_stat.stat.exists
 
 - name: Show rolling distribution release warning
   ansible.builtin.debug: