Create ansible submodule for akku warning

defaults/main.yml

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+---
+
+# should we install cronie?
+install_and_enable_cronie: false
+
+# play a video in the background with sound
+multimedia_akku_warning: true
+

files/akku.sh

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+#!/bin/bash
+
+power="$((`cat /sys/class/power_supply/BAT0/energy_now` * 100 / `cat /sys/class/power_supply/BAT0/energy_full_design`))"
+
+if (( $power < 25 && $power > 15 )); then
+    zenity --warning --title="Low Power" --text="$power percent remaining.\n\nPlease recharge soon!" --display=:0.0
+elif (( $power < 15 && $power > 9 )); then
+    zenity --warning --title="Low Power" --text="$power percent remaining.\n\nPlease recharge soon!" --display=:0.0
+    mpv /opt/low_battery.mkv -fs --volume 130 --start 00:00:18 --vo=tct > /dev/null
+elif (( $power < 9 && $power > 5 )); then
+    zenity --warning --title="Critical Power" --text="$power percent remaining.\n\nPlease recharge NOW!" --display=:0.0
+elif (( $power < 5 )); then
+    zenity --warning --title="Critical Power" --text="$power percent remaining.\n\nRECHARGE!\nNOW!" --display=:0.0
+fi

tasks/main.yml

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+---
+
+- name: copy sound warning script
+  become: yes
+  copy:
+    src: 'files/akku.sh'
+    dest: '/opt/akku.sh'
+    owner: 'root'
+    group: 'root'
+    mode: '0755'
+
+- name: copy sound warning video
+  become: yes
+  copy:
+    src: 'files/low_battery.mkv'
+    dest: '/opt/low_battery.mkv'
+    owner: 'root'
+    group: 'root'
+    mode: '0644'
+  when: multimedia_akku_warning
+
+- name: install zenity and mpv for notifications
+  become: yes
+  package:
+    name: 
+      - zenity
+      - mpv
+    state: present
+
+- name: Check akku every 2 minutes
+  become: yes
+  cron:
+    name: check if akku still okay
+    job: /opt/akku.sh
+    minute: '*/3'
+    user: '{{ user }}'
+    cron_file: /etc/crontab
+
+- name: Make sure cron is installed
+  become: true
+  when: install_and_enable_cronie
+  package:
+    name:
+      - cronie
+    state: present
+
+- name: Make sure cron is running
+  become: true
+  when: install_and_enable_cronie
+  systemd:
+    name: cronie.service
+    state: started
+    enabled: yes
+    daemon_reload: yes
+