style: Add ansible-lint

Signed-off-by: Julien Riou <julien@riou.xyz>

tasks/telegraf.yml

@@ -3,6 +3,7 @@
   ansible.builtin.template:
     src: telegraf/influxdata.list.j2
     dest: /etc/apt/sources.list.d/influxdata.list
+    mode: '0644'
 
 - name: Download influxdata APT key
   ansible.builtin.apt_key:
@@ -15,12 +16,14 @@
       - telegraf
       - lm-sensors
     update_cache: true
-    state: latest
 
 - name: Generate telegraf configurations
   ansible.builtin.template:
     src: "telegraf/{{ item }}.conf.j2"
     dest: "/etc/telegraf/telegraf.d/{{ item }}.conf"
+    mode: '0640'
+    owner: root
+    group: telegraf
   loop:
     - inputs
     - output