From 546874eea8dc5d1c8efe7ceb11a2ec43dc59cc8b Mon Sep 17 00:00:00 2001
From: WhatTheMike <michael@localghost.lol>
Date: Fri, 23 Dec 2022 14:29:17 +0000
Subject: [PATCH] Added script to monitor upsc status and reboot as necessary

---
 playbooks/nut-server.yaml | 15 +++++++++++++++
 templates/nutmon.sh.j2    | 22 ++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 templates/nutmon.sh.j2

diff --git a/playbooks/nut-server.yaml b/playbooks/nut-server.yaml
index 5ec1cf8..9c20d81 100644
--- a/playbooks/nut-server.yaml
+++ b/playbooks/nut-server.yaml
@@ -136,6 +136,21 @@
         src: /root/ansible/templates/nut-telegraf.conf.j2
       become: true
       become_method: sudo
+    - name: Verify monitoring template is deployed
+      ansible.builtin.template:
+        dest: /home/pi/nutmon.sh
+        src: /root/ansible/templates/nutmon.sh.j2
+        mode: '0755'
+
+    - name: Ensure monitoring script is scheduled
+      ansible.builtin.cron:
+        name: "Check on the UPS"
+        minute: "*/5"
+        job: "/home/pi/nutmon.sh"
+        user: root
+        state: present
+      become: true
+      become_method: sudo
 
     - name: Enable and restart services
       ansible.builtin.service:
diff --git a/templates/nutmon.sh.j2 b/templates/nutmon.sh.j2
new file mode 100644
index 0000000..2a10670
--- /dev/null
+++ b/templates/nutmon.sh.j2
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+upsname="{{ upsname }}"
+retries=5
+retry_delay=30
+
+# Check dependencies
+which upsc >/dev/null || exit 1
+
+upsstat=1 # just to bootstrap the loop
+
+while [ $upsstat -ne 0 ]; do
+ upsc $upsname
+ upsstat=$?
+ if [ $upsstat -eq 1 ]; then
+  let retries=retries-1
+  if [ $retries -le 0 ]; then
+   reboot
+  fi
+  sleep $retry_delay
+ fi
+done