Proxmox VE Helper Scripts
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#!/usr/bin/env bash
# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
clear
cat <<"EOF"
__ ___ _ __ ___ ____
/ |/ /___ ____ (_) /_____ _____ / | / / /
/ /|_/ / __ \/ __ \/ / __/ __ \/ ___/ / /| | / / /
/ / / / /_/ / / / / / /_/ /_/ / / / ___ |/ / /
/_/ /_/\____/_/ /_/_/\__/\____/_/ /_/ |_/_/_/
EOF
add() {
while true; do
read -p "This script will add Monitor All to Proxmox VE. Proceed(y/n)?" yn
case $yn in
[Yy]*) break ;;
[Nn]*) exit ;;
*) echo "Please answer yes or no." ;;
esac
done
echo '#!/usr/bin/env bash
# Maximum number of restarts
maxrestartcount=3
# Emails for restarts
mailaddress='\''admin@domain.tld'\''
mail="false"
# Search string for IP address, here more precise selection, IP addresses can be excluded.
searchip='\''192\.168\.|10\.'\''
# Read excluded instances from command line arguments
excluded_instances=("$@")
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): Excluded instances: ${excluded_instances[@]}"
while true; do
for vmid in $(pct list | awk '\''{if(NR>1) print $1}'\''; qm list | awk '\''{if(NR>1) print $1}'\'')
do
IP=
skip="false"
if [ -f /tmp/$vmid.count ] ; then
count=$(cat /tmp/$vmid.count)
else
count=0
fi
# Determine the type of the instance (container or virtual machine)
if pct status $vmid >/dev/null 2>&1; then
# It is a container
config_cmd="pct config"
test=$(pct status $vmid | grep -q "status: running")
if [ $? -eq 0 ] ; then
IP=$(pct exec $vmid ip a s dev eth0 | awk '\''/inet / {print $2}'\'' | cut -d/ -f1)
fi
else
# It is a virtual machine
config_cmd="qm config"
test=$(qm status $vmid | grep -q "status: running")
if [ $? -eq 0 ] ; then
IP=$(qm guest cmd $vmid network-get-interfaces | egrep -o "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -E "$searchip" | head -n 1)
fi
fi
name=$($config_cmd $vmid | grep name: | awk '\''{ print $2 }'\'')
# Skip instances based on onboot and templates
test=$($config_cmd $vmid | grep "onboot" | awk '\''{ print $2 }'\'')
if [ "$test" == "1" ] ; then
onboot="true"
else
onboot="false"
fi
test=$($config_cmd $vmid | grep "template:" | awk '\''{ print $2 }'\'')
if [ "$test" == "1" ] ; then
template="true"
else
template="false"
fi
if [ "$onboot" == "false" ]; then
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): Skipping $vmid $name because it is set not to boot"
skip="true"
fi
if [ "$template" == "true" ]; then
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): Skipping $vmid $name because it is a template"
skip="true"
fi
if [ "$skip" == "false" ] ; then
# Ping the instance
if ! ping -c 1 $IP >/dev/null 2>&1; then
if [ $count -le $maxrestartcount ] ; then
count=$((count + 1))
# If the instance can not be pinged, stop and start it
if pct status $vmid >/dev/null 2>&1; then
# It is a container
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): CT $vmid $name is not responding, restarting..."
if [ "$mail" == "true" ] ;then
echo "CT $vmid $name is not responding, restarting" | mail -s "$(date +'\''%Y-%m-%d %H:%M:%S'\''): $(hostname) - $name" $mailaddress
fi
pct stop $vmid >/dev/null 2>&1
sleep 5
pct start $vmid >/dev/null 2>&1
else
# It is a virtual machine
test=$(qm status $vmid | grep -q "status: running")
if [ $? -eq 0 ] ; then
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): VM $vmid $name is not responding, restarting..."
if [ "$mail" == "true" ] ;then
echo "VM $vmid $name is not responding, restarting" | mail -s "$(date +'\''%Y-%m-%d %H:%M:%S'\''): $(hostname) - $name" $mailaddress
fi
qm stop $vmid >/dev/null 2>&1
sleep 5
else
echo "$(date +'%Y-%m-%d %H:%M:%S'): VM $vmid $name is not running, starting..."
fi
qm start $vmid >/dev/null 2>&1
echo "$count" > /tmp/$vmid.count
fi
else
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): VM $vmid $name max restart count $count reached"
if [ "$mail" == "true" ] ;then
echo "VM $vmid $name max restart count $count reached" | mail -s "$(date +'\''%Y-%m-%d %H:%M:%S'\''): $(hostname) - $name" $mailaddress
fi
fi
else
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): CT/VM $vmid $name with ip $IP is pingable..."
echo "0" > /tmp/$vmid.count
fi
fi
done
# Wait for 5 minutes. (Edit to your needs)
echo "$(date +'\''%Y-%m-%d %H:%M:%S'\''): Pausing for 5 minutes..."
sleep 300
done >/var/log/ping-instances.log 2>&1' >/usr/local/bin/ping-instances.sh
touch /var/log/ping-instances.log
# Change file permissions to executable
chmod +x /usr/local/bin/ping-instances.sh
cat <<EOF >/etc/systemd/system/ping-instances.timer
[Unit]
Description=Delay ping-instances.service by 5 minutes
[Timer]
OnBootSec=300
OnUnitActiveSec=300
[Install]
WantedBy=timers.target
EOF
# Create ping-instances.service
cat <<EOF >/etc/systemd/system/ping-instances.service
[Unit]
Description=Ping instances every 5 minutes and restarts if necessary
After=ping-instances.timer
Requires=ping-instances.timer
[Service]
Type=simple
# To specify which CT/VM should be excluded, add the CT/VM ID at the end of the line where ExecStart=/usr/local/bin/ping-instances.sh is specified.
# For example: ExecStart=/usr/local/bin/ping-instances.sh 100 102
# Virtual machines without the QEMU guest agent installed must be excluded.
ExecStart=/usr/local/bin/ping-instances.sh
Restart=always
StandardOutput=file:/var/log/ping-instances.log
StandardError=file:/var/log/ping-instances.log
[Install]
WantedBy=multi-user.target
EOF
# Reload daemon, enable and start ping-instances.service
systemctl daemon-reload
systemctl enable -q --now ping-instances.timer
systemctl enable -q --now ping-instances.service
clear
echo -e "\n To view Monitor All logs: cat /var/log/ping-instances.log"
}
remove() {
systemctl disable -q --now ping-instances.timer
systemctl disable -q --now ping-instances.service
rm /etc/systemd/system/ping-instances.service /etc/systemd/system/ping-instances.timer /usr/local/bin/ping-instances.sh /var/log/ping-instances.log
echo "Removed Monitor All from Proxmox VE"
}
# Define options for the whiptail menu
OPTIONS=(Add "Add Monitor-All to Proxmox VE" \
Remove "Remove Monitor-All from Proxmox VE")
# Show the whiptail menu and save the user's choice
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Monitor-All for Proxmox VE" --menu "Select an option:" 10 58 2 \
"${OPTIONS[@]}" 3>&1 1>&2 2>&3)
# Check the user's choice and perform the corresponding action
case $CHOICE in
"Add")
add
;;
"Remove")
remove
;;
*)
echo "Exiting..."
exit 0
;;
esac