84 lines
1.8 KiB
Bash
Executable File
84 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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# Configuration
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VM_ID=303
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TARGET_IP="192.168.20.36" # Replace with the IP of your VM
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PORT=22
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CHECK_INTERVAL=300 # 5 minutes in seconds
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LOG_FILE="/var/log/vm_monitor.log"
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# Function to log messages
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log_message() {
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echo "$(date): $1" | tee -a $LOG_FILE
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}
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# Check if running on a Proxmox host
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if ! command -v qm &>/dev/null; then
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log_message "qm command not found. This script must run on a Proxmox host."
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exit 1
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fi
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# Function to check port
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check_port() {
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# Try nc first if available
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if command -v nc &>/dev/null; then
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if nc -z -w 5 $TARGET_IP $PORT 2>/dev/null; then
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return 0 # Port is open
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else
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return 1 # Port is closed
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fi
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# Fall back to nmap if nc is not available
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elif command -v nmap &>/dev/null; then
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if nmap -p $PORT $TARGET_IP | grep -q "$PORT/tcp.*open"; then
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return 0 # Port is open
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else
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return 1 # Port is closed
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fi
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else
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log_message "Neither nc nor nmap found. Please install one of them."
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exit 1
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fi
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}
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# Function to restart the VM
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restart_vm() {
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log_message "Port $PORT is not reachable. Restarting VM $VM_ID..."
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# Stop the VM
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qm stop $VM_ID
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if [ $? -ne 0 ]; then
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log_message "Failed to stop VM $VM_ID. Trying force stop..."
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qm stop $VM_ID --force
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fi
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# Wait for VM to fully stop
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log_message "Waiting for VM to stop..."
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sleep 10
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# Start the VM
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qm start $VM_ID
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if [ $? -ne 0 ]; then
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log_message "Failed to start VM $VM_ID. Manual intervention required."
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exit 1
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fi
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log_message "VM $VM_ID has been restarted."
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}
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# Main loop
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log_message "Starting monitoring of VM $VM_ID on port $PORT..."
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log_message "Press Ctrl+C to exit."
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while true; do
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# Check if port 22 is open
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if ! check_port; then
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restart_vm
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else
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log_message "Port $PORT is reachable. VM is running normally."
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fi
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# Wait for the next check
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log_message "Sleeping for $CHECK_INTERVAL seconds..."
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sleep $CHECK_INTERVAL
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done
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