Renamed health services

roles/health-journalctl/README.md

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+# health-journalctl
+Checks journalctl for error messages

roles/health-journalctl/files/health-journalctl.sh

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+#!/bin/sh
+echo "Checking journalctl for error messages..."
+journalctl_errors="$(journalctl --since '1 day ago' --no-pager | grep -i 'error')"
+if [ ! -z "$journalctl_errors" ]
+then 
+   echo "Some errors where found: $journalctl_errors"
+   exit 1
+fi
+echo "All docker containers are healthy."
+exit 0

roles/health-journalctl/handlers/main.yml

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+- name: "reload health-journalctl.service"
+  systemd:
+    name: health-journalctl.service
+    state: reloaded
+    enabled: yes
+    daemon_reload: yes
+    ignore_errors: true
+- name: "restart health-journalctl.timer"
+  systemd:
+    name: health-journalctl.timer
+    state: restarted
+    enabled: yes
+    daemon_reload: yes

roles/health-journalctl/meta/main.yml

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+dependencies:
+  - systemd_notifier

roles/health-journalctl/tasks/main.yml

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

roles/health-journalctl/templates/health-journalctl.service.j2

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+[Unit]
+Description=checking journalctl health
+OnFailure=systemd-notifier@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash {{journalctl_health_check_folder}}health-journalctl.sh

roles/health-journalctl/templates/health-journalctl.timer.j2

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+[Unit]
+Description=starts health-journalctl.service
+
+[Timer]
+OnCalendar={{on_calendar_journalctl_health_check}}
+RandomizedDelaySec={{randomized_delay_sec}}
+Persistent=false
+
+[Install]
+WantedBy=timers.target

roles/health-journalctl/vars/main.yml

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+journalctl_health_check_folder: "{{path_administrator_scripts}}health-journalctl/"