Removed server_ for better overview

roles/native-disc-space-check/README.md

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+# disc-space-check
+Checks if enough disc space is free

roles/native-disc-space-check/files/disc-space-check.sh

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+#!/bin/sh
+# @param $1 mimimum free disc space
+errors=0
+minimum_percent_free_disc_space="$1"
+echo "checking disc space use..."
+df
+for disc_use_percent in $(df --output=pcent | sed 1d)
+do
+    disc_use_percent_number=$(echo "$disc_use_percent" | sed "s/%//")
+    if [ "$disc_use_percent_number" -gt "$minimum_percent_free_disc_space" ]; then
+      echo "WARNING: $disc_use_percent_number exceeds the limit of $minimum_percent_free_disc_space%."
+      errors+=1;
+    fi
+done
+exit $errors;

roles/native-disc-space-check/handlers/main.yml

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+- name: "reload disc-space-check.service"
+  systemd:
+    name: disc-space-check.service
+    state: reloaded
+    enabled: yes
+    daemon_reload: yes
+- name: "restart disc-space-check.timer"
+  systemd:
+    name: disc-space-check.timer
+    state: restarted
+    enabled: yes
+    daemon_reload: yes

roles/native-disc-space-check/meta/main.yml

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+dependencies:
+  - systemd_notifier

roles/native-disc-space-check/tasks/main.yml

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+- name: "create {{disc_space_check_folder}}"
+  file:
+    path: "{{disc_space_check_folder}}"
+    state: directory
+    mode: 0755
+
+- name: create disc-space-check.sh
+  copy:
+    src: disc-space-check.sh
+    dest: "{{disc_space_check_folder}}disc-space-check.sh"
+
+- name: create disc-space-check.service
+  template: 
+    src: disc-space-check.service.j2
+    dest: /etc/systemd/system/disc-space-check.service
+  notify: reload disc-space-check.service
+
+- name: create disc-space-check.timer
+  template:
+    src: disc-space-check.timer.j2
+    dest: /etc/systemd/system/disc-space-check.timer
+  notify: restart disc-space-check.timer

roles/native-disc-space-check/templates/disc-space-check.service.j2

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+[Unit]
+Description=checking disc space
+OnFailure=systemd-notifier@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash {{disc_space_check_folder}}disc-space-check.sh {{size_percent_disc_space_warning}}

roles/native-disc-space-check/templates/disc-space-check.timer.j2

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+[Unit]
+Description=starts disc-space-check.service
+
+[Timer]
+OnCalendar={{on_calendar_disc_space_check}}
+RandomizedDelaySec={{randomized_delay_sec}}
+Persistent=true
+
+[Install]
+WantedBy=timers.target

roles/native-disc-space-check/vars/main.yml

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+disc_space_check_folder: "{{path_administrator_scripts}}disc-space-check/"