we should set hostname before package installation

ubuntu/roles/common/tasks/main.yml

@@ -16,6 +16,10 @@
   notify:
   - restart rsyslog
   - restart cron
+- name: Set hostname
+  hostname:
+    name: "{{ inventory_hostname }}"
+    use: systemd
 - name: Install required packages
   apt:
     name: "{{ packages }}"
@@ -65,7 +69,3 @@
      - chrony
 - name: Ensure that the periodic APT cron task clears out old kernels and does unattended security upgrades
   copy: src=10periodic dest=/etc/apt/apt.conf.d/10periodic backup=yes owner=root group=root mode=0644
-- name: Set hostname
-  hostname:
-    name: "{{ inventory_hostname }}"
-    use: systemd