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cipulan/aa-run-before-shutdown.service

Created March 6, 2024 03:16
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Run Script Before Reboot, Poweroff, or Terminated
Raw
aa-run-before-shutdown.service
[Unit]
Description=Send Telegram Notif
Requires=network-online.target
After=network.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStop=/usr/bin/bash /opt/script/down.sh
[Install]
WantedBy=network.target
Raw
down.sh
#!/bin/bash
# Get Instance Info
response=$(/usr/bin/curl -s ipinfo.io)
# Extract values of "ip" "region" and "org" using jq
ip=$(echo "$response" | jq -r '.ip')
region=$(echo "$response" | jq -r '.region')
org=$(echo "$response" | jq -r '.org')
# Get Instance Hostname
hostname=$(hostname)
name=$(echo "$hostname" | cut -d'.' -f1 | tr '[:lower:]' '[:upper:]')
# Telegram Notification
chat_id=-100xxxxxx
bot_id=67xxxx:xxxxxxxxxxxxxmCo
# Post to telegram Group
/usr/bin/curl -X POST \
-H "Content-Type: application/json" \
-d '{
"chat_id": '"$chat_id"',
"text": "*[ Server : '"$name"' | Status : DOWN ]*\nHostname : *'"$hostname"'* \nIP : *'"$ip"'*\nRegion : *'"$region"'*\nProvider : '"$org"' \n*<-- Please Check -->*",
"parse_mode": "Markdown"
}' \
https://api.telegram.org/bot$bot_id/sendMessage
@cipulan
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cipulan commented Mar 6, 2024 •
edited

Run Script Before Reboot, Poweroff, or Terminated

Run script before Reboot, Poweroff, or Terminated. Additionally, it integrates with Telegram to send notifications about these events.

Usage :

  • Install jq for parse JSON
    sudo apt install jq or dnf install jq
  • Create directory /opt/script
    sudo mkdir /opt/script
  • Create file /opt/script/down.sh with script above
    sudo vi /opt/script/down.sh
  • Edit file /opt/script/down.sh and adjust your telegram chat_id & bot_id
  • Change permission with command
    sudo chown +x /opt/script/down.sh
  • Create Service file aa-run-before-shutdown.service under directory /etc/systemd/system/
    sudo vi /etc/systemd/system/aa-run-before-shutdown.service
  • Reload daemon
    sudo systemctl daemon-reload
  • Enable and Start service
    sudo systemctl enable --now aa-run-before-shutdown.service
  • Test it with run script or reboot the machine
    sh /opt/script/down.sh
  • Result
    photo_down

Supported OS :

  • Debian Family
  • RedHat Family

To automated this step using ansible

Reference

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