fix(ansible): keep apparmor installed but mask the service

Also add task back in for updating `/etc/hosts` since hostname doesn't change this file

ansible/playbooks/cluster-prepare.yaml

@@ -24,12 +24,6 @@
               nvme-cli,open-iscsi,parted,psmisc,python3,python3-apt,python3-kubernetes,python3-yaml,
               smartmontools,socat,software-properties-common,unzip,util-linux
             install_recommends: false
-        - name: Packages | Remove
-          ansible.builtin.apt:
-            name: apparmor
-            state: absent
-            purge: true
-            autoremove: true
 
     - name: User Configuration
       block:
@@ -47,11 +41,23 @@
             access_time: preserve
 
     - name: Network Configuration
-      notify: Restart systemd-networkd
+      notify: Reboot
       block:
         - name: Network Configuration | Set hostname
           ansible.builtin.hostname:
             name: "{{ inventory_hostname }}"
+        - name: Network Configuration | Update hosts
+          ansible.builtin.copy:
+            content: |
+              127.0.0.1 localhost
+              127.0.1.1 {{ inventory_hostname }}
+
+              # The following lines are desirable for IPv6 capable hosts
+              ::1     localhost ip6-localhost ip6-loopback
+              ff02::1 ip6-allnodes
+              ff02::2 ip6-allrouters
+            dest: /etc/hosts
+            mode: preserve
         # https://github.com/cilium/cilium/issues/18706
         - name: Network Configuration | Cilium (1)
           ansible.builtin.lineinfile:
@@ -72,6 +78,11 @@
             dest: /etc/profile.d/neofetch.sh
             mode: "0755"
             content: neofetch --config none
+        - name: System Configuration | Disable apparmor
+          ansible.builtin.systemd:
+            name: apparmor
+            state: stopped
+            masked: true
         - name: System Configuration | Disable swap
           ansible.posix.mount:
             name: "{{ item }}"
@@ -103,10 +114,6 @@
               fs.inotify.max_user_instances: 8192
 
   handlers:
-    - name: Restart systemd-networkd
-      ansible.builtin.systemd:
-        service: systemd-networkd
-        state: restarted
     - name: Reboot
       ansible.builtin.reboot:
         msg: Rebooting nodes