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https://github.com/ergosteur/ergo-proxmox-scripts.git
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ergosteurandClaude Opus 5
927f687863
Cron-driven liveness checks that ping each guest, restart it via qm/pct if unreachable, and log plus email the outcome. Guest lists are configured in the associative array at the top of each script. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
75 lines
2.6 KiB
Bash
Executable File
75 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# WatchDog script for Proxmox LXC Containers
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# v2.0
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#
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# Install using `crontab -e` like this: * * * * * /root/lxc_watchdog.sh
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#
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# Configurable Settings
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declare -A Containers=(
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["AdGuardLXC"]="100 192.168.31.10"
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["MainLXC"]="101 192.168.31.100"
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)
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logFile="/var/log/proxmox_lxc_watchdog.log"
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email="your_email@example.com"
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# Log function
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log () {
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output="[LXC WatchDog] $(date '+%Y-%m-%d %H:%M:%S') $1"
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echo "$output" >> "$logFile"
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logger "$output"
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}
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# Send email alert
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sendAlert () {
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subject="[Proxmox LXC WatchDog] $1"
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body="$2"
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echo -e "$body" | mail -s "$subject" "$email"
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}
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# Check LXC Container function
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checkContainer () {
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local containerName=$1
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local containerId=$2
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local containerIp=$3
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if /usr/bin/ping -c 1 "$containerIp" &> /dev/null; then
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local containerStatus
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containerStatus=$(/usr/sbin/pct status "$containerId" | awk '{print $2}')
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if [[ "$containerStatus" == "running" ]]; then
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local containerUptime
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containerUptime=$(cat /proc/uptime | awk '{print $1}' | cut -d. -f1)
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log "$containerName ($containerIp) is alive. Uptime: $containerUptime seconds."
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else
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log "$containerName ($containerIp) is not running. Attempting to start..."
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if /usr/sbin/pct start "$containerId"; then
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log "$containerName started successfully."
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sendAlert "$containerName Started" "The LXC container '$containerName' was started by the watchdog script."
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else
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log "Failed to start $containerName. Manual intervention required."
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sendAlert "$containerName Start Failed" "The LXC container '$containerName' failed to start. Please check Proxmox immediately."
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fi
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fi
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else
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log "$containerName ($containerIp) is down (no ping). Attempting to restart..."
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if /usr/sbin/pct stop "$containerId" && /usr/sbin/pct start "$containerId"; then
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log "$containerName restarted successfully."
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sendAlert "$containerName Restarted" "The LXC container '$containerName' was restarted by the watchdog script."
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else
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log "Failed to restart $containerName. Manual intervention required."
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sendAlert "$containerName Restart Failed" "The LXC container '$containerName' failed to restart. Please check Proxmox immediately."
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fi
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fi
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}
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# Main Logic
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for containerName in "${!Containers[@]}"; do
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read -r containerId containerIp <<< "${Containers[$containerName]}"
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checkContainer "$containerName" "$containerId" "$containerIp" &
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done
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# Wait for all background checks to complete
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wait
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