check-log-errors.sh

#!/bin/bash

# Output file name
LOG_FILE="system_errors.log"

echo "=== STARTING ERROR COLLECTION - $(date '+%Y-%m-%d %H:%M:%S') ===" > "$LOG_FILE"
echo "Monitoring all active and stopped containers..." >> "$LOG_FILE"
echo "------------------------------------------------------------" >> "$LOG_FILE"

# Get all container names
containers=$(docker ps -a --format "{{.Names}}")

for container in $containers; do
    echo "🔎 Analyzing: $container"
    
    # Add header to the file
    echo -e "\n>>> CONTAINER: $container" >> "$LOG_FILE"
    echo "------------------------------------------------------------" >> "$LOG_FILE"
    
    # Extract errors, exceptions, and critical failures
    # Redirect stderr to stdout to ensure everything is captured
    errors=$(docker logs "$container" 2>&1 | grep -Ei "error|exception|stacktrace|emerg|fatal|failed|critical|denied|unreachable")
    
    if [ -z "$errors" ]; then
        echo "   [OK] No critical errors found." >> "$LOG_FILE"
    else
        echo "$errors" >> "$LOG_FILE"
        echo "   [!] Errors found and saved."
    fi
done

echo -e "\n=== END OF REPORT ===" >> "$LOG_FILE"
echo -e "\nDone! The file '$LOG_FILE' was generated successfully."