chore: reorganize kernel update process

Author: mavimo

molecule/resources/playbooks/prepare.yml

@@ -29,22 +29,24 @@
           when: update_debian_kernel.changed
       when: ansible_distribution == "Debian"
 
-    # See https://almalinux.org/blog/2023-12-20-almalinux-8-key-update/
-    - name: Import AlmaLinux 8 GPG key
-      ansible.builtin.rpm_key:
-        state: present
-        key: https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux
-      when:
-       - ansible_distribution == 'AlmaLinux'
-       - ansible_distribution_major_version == '8'
+    - name: Prepare Alma, Fedora, and Rocky hosts
+      block:
+        # See https://almalinux.org/blog/2023-12-20-almalinux-8-key-update/
+        - name: Import AlmaLinux 8 GPG key
+          ansible.builtin.rpm_key:
+            state: present
+            key: https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux
+          when:
+          - ansible_distribution == 'AlmaLinux'
+          - ansible_distribution_major_version == '8'
 
-    - name: Update Alma, Fedora, and Rocky kernels
-      ansible.builtin.dnf:
-        name: kernel
-        state: latest
-      register: update_kernel
-      when: ansible_distribution in ['AlmaLinux', 'Fedora', 'Rocky']
+        - name: Update kernels
+          ansible.builtin.dnf:
+            name: kernel
+            state: latest
+          register: update_kernel
 
-    - name: Reboot systems after kernel update (if required)
-      ansible.builtin.reboot:
-      when: update_kernel.changed
+        - name: Reboot systems after kernel update (if required)
+          ansible.builtin.reboot:
+          when: update_kernel.changed
+      when: ansible_distribution in ['AlmaLinux', 'Fedora', 'Rocky']