Create monitor-lxcs.sh

misc/monitor-lxcs.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2023 tteck
+# Author: tteck (tteckster)
+# License: MIT
+# https://github.com/tteck/Proxmox/raw/main/LICENSE
+# Proxmox VE LXC Monitor
+# bash -c "$(wget -qLO - https://github.com/tteck/Proxmox/raw/main/misc/monitor-lxcs.sh)"
+
+clear
+cat <<"EOF"
+    __  ___            _ __                __   _  ________
+   /  |/  /___  ____  (_) /_____  _____   / /  | |/ / ____/
+  / /|_/ / __ \/ __ \/ / __/ __ \/ ___/  / /   |   / / 
+ / /  / / /_/ / / / / / /_/ /_/ / /     / /___/   / /___
+/_/  /_/\____/_/ /_/_/\__/\____/_/     /_____/_/|_\____/   
+
+EOF
+
+while true; do
+  read -p "This script will add Monitor LXC to Proxmox VE. Proceed(y/n)?" yn
+  case $yn in
+  [Yy]*) break ;;
+  [Nn]*) exit ;;
+  *) echo "Please answer yes or no." ;;
+  esac
+done
+
+echo '#!/usr/bin/env bash
+while true
+do
+  # Get the list of containers
+  containers=$(pct list | tail -n +2 | cut -f1 -d" ")
+
+  for container in $containers
+  do
+    # Skip containers based on templates
+    template=$(pct config $container | grep -q "template:" && echo "true" || echo "false")
+    if [ "$template" == "true" ]; then
+      continue
+    fi
+
+    # Get the IP address of the container
+    IP=$(pct exec $container ip a s dev eth0 | awk '\''/inet / {print $2}'\'' | cut -d/ -f1)
+
+    # Ping the container
+    if ! ping -c 1 $IP >/dev/null 2>&1; then
+      # If the container can'\''t be pinged, stop and start it
+      echo -e "$(date): Container $container is not responding, restarting..."
+      pct stop $container >/dev/null 2>&1
+      sleep 5
+      pct start $container >/dev/null 2>&1
+    fi
+  done
+
+  # Wait for 5 minutes
+  echo -e "$(date): Sleeping for 5 minutes..."
+  sleep 300
+done >> /var/log/ping-containers.log 2>&1' >/usr/local/bin/ping-containers.sh
+
+# Change the permissions
+chmod +x /usr/local/bin/ping-containers.sh
+
+# Create service
+echo '[Unit]
+Description=Pings containers every 5 minutes and restarts if necessary
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/ping-containers.sh
+Restart=always
+StandardOutput=file:/var/log/ping-containers.log
+StandardError=file:/var/log/ping-containers.log
+
+[Install]
+WantedBy=multi-user.target' >/etc/systemd/system/ping-containers.service
+
+# Reload daemon, enable and start ping-containers.service
+systemctl daemon-reload
+systemctl enable -q --now ping-containers.service
+clear
+echo -e "\n To view Monitor LXC logs: cat /var/log/ping-containers.log"
+
+# To remove Monitor LXC from Proxmox VE
+# 1) systemctl stop ping-containers.service
+# 2) systemctl disable ping-containers.service
+# 3) rm /etc/systemd/system/ping-containers.service
+# 4) rm /usr/local/bin/ping-containers.sh
+# 5) rm /var/log/ping-containers.log