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Activate Hardware watchdog #11

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merged 3 commits into from Oct 26, 2020
Merged

Activate Hardware watchdog #11

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e5a3159
Activate Hardware watchdog
ThomTrab Oct 24, 2020
7f3fde9
Update ansible/site.yml
ThomTrab Oct 26, 2020
d087ba7
Replace line insertion with echo by lineinfile Ansible module
Oct 26, 2020
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27 changes: 27 additions & 0 deletions ansible/site.yml
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Expand Up @@ -111,6 +111,33 @@
shell: bash -c "source /root/.acme.sh/acme.sh.env; /root/.acme.sh/acme.sh --install-cert -d {{ acolock_hostname }} --key-file /etc/nginx/{{ acolock_hostname }}.key --fullchain-file /etc/nginx/{{ acolock_hostname }}.cer --reloadcmd \"systemctl reload nginx\""
tags: certificate

- name: Ensure Hardware Watchdog is enabled at boot
lineinfile:
path: /boot/config.txt
line: dtparam=watchdog=on
register: hw_watchdog

- name: Reboot the machine
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Idéalement on aimerait qu'il ne reboot que si la ligne au dessus a effectivement été ajoutée. C'est pas indispensable mais c'est plus agréable.

Il y a ce tuto par exemple qui explique comment faire : https://raymii.org/s/tutorials/Ansible_-_Only-do-something-if-another-action-changed.html.

reboot:
reboot_timeout: 3600
when: hw_watchdog.changed

- name: Ensure Watchdog package is installed
apt:
name: watchdog

- name: Write watchdog config
template:
src: watchdog.conf
dest: /etc/watchdog.conf

- name: Ensure Watchdog is enabled and started
service:
name: watchdog
state: started
enabled: yes


handlers:
- name: restart nginx
service:
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3 changes: 3 additions & 0 deletions ansible/watchdog.conf
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@@ -0,0 +1,3 @@
watchdog-device = /dev/watchdog
watchdog-timeout = 15
max-load-1 = 24