add an update task

tasks/main.yml

@@ -1,5 +1,8 @@
 ---
 
+- name: Update
+  include: update.yml
+
 - name: Manage apt apt_repository
   include: apt.yml
 

tasks/update.yml

@@ -0,0 +1,34 @@
+---
+
+- name: "[Update] - Check installed version"
+  shell:
+    cmd: "apt-cache policy zabbix-server-mysql | grep Installed | cut -f 3 -d':' | cut -f1,2 -d'.'"
+  register: installed_version
+
+- name: "[Update] - Make sure the server is stopped"
+  systemd:
+    name: zabbix-server
+    state: stopped
+  when: installed_version.stdout != zabbix_version
+  ignore_errors: true # needed otherwise there is an error on first installation as it doesn't exist
+
+- name: "[Update] - Make sure the agent is stopped"
+  systemd:
+    name: zabbix-agent
+    state: stopped
+  when: installed_version != zabbix_version
+  ignore_errors: true # needed otherwise there is an error on first installation as it doesn't exist
+
+- name: "[Update] - Make sure the proxy is stopped"
+  systemd:
+    name: zabbix-proxy
+    state: stopped
+  when: installed_version != zabbix_version
+  ignore_errors: true # needed otherwise there is an error on first installation as it doesn't exist
+
+- name: '[Update] - Remove current repository'
+  file:
+    path: '/etc/apt/sources.list.d/zabbix.list'
+    state: 'absent'
+  when: installed_version != zabbix_version
+