scan

#!/bin/ksh

#

# fs_clone Log Scanner and Analyzer for Solaris

# Purpose: Automate scanning and analysis of fs_clone operation logs

#

# Configuration

LOG_DIR="/var/adm/fs_clone"

REPORT_DIR="/var/adm/reports/fs_clone"

ARCHIVE_DIR="/var/adm/archive/fs_clone"

ALERT_EMAIL="admin@example.com"

RETENTION_DAYS=90

# Create directories if they don't exist

mkdir -p "$REPORT_DIR" "$ARCHIVE_DIR"

# Timestamp for report

TIMESTAMP=$(date '+%Y%m%d_%H%M%S')

REPORT_FILE="$REPORT_DIR/fs_clone_analysis_$TIMESTAMP.txt"

# Initialize report

exec > >(tee -a "$REPORT_FILE")

exec 2>&1

echo "=========================================="

echo "fs_clone Log Analysis Report"

echo "Generated: $(date '+%Y-%m-%d %H:%M:%S')"

echo "=========================================="

echo

# Function to analyze log file

analyze_log() {

    local logfile="$1"

    echo "Analyzing: $logfile"

    echo "----------------------------------------"

    

    # Check if log file exists and is readable

    if [[ ! -r "$logfile" ]]; then

        echo "WARNING: Cannot read $logfile"

        return 1

    fi

    

    # Extract key metrics

    echo "Summary Statistics:"

    echo " Total lines: $(wc -l < "$logfile")"

    

    # Count success/failure patterns

    local success_count=$(grep -c -i "success\|completed\|finished" "$logfile" 2>/dev/null || echo 0)

    local error_count=$(grep -c -i "error\|failed\|failure" "$logfile" 2>/dev/null || echo 0)

    local warning_count=$(grep -c -i "warning\|warn" "$logfile" 2>/dev/null || echo 0)

    

    echo " Successful operations: $success_count"

    echo " Errors: $error_count"

    echo " Warnings: $warning_count"

    

    # Extract error messages

    if [[ $error_count -gt 0 ]]; then

        echo

        echo "Error Messages Found:"

        grep -i "error\|failed\|failure" "$logfile" | head -20

    fi

    

    # Extract warning messages

    if [[ $warning_count -gt 0 ]]; then

        echo

        echo "Warning Messages Found:"

        grep -i "warning\|warn" "$logfile" | head -20

    fi

    

    # Check for specific fs_clone issues

    echo

    echo "Specific Issues Detected:"

    

    # Disk space issues

    if grep -q -i "no space\|disk full\|insufficient space" "$logfile"; then

        echo " [CRITICAL] Disk space issues detected"

    fi

    

    # Permission issues

    if grep -q -i "permission denied\|not permitted" "$logfile"; then

        echo " [ERROR] Permission issues detected"

    fi

    

    # Timeout issues

    if grep -q -i "timeout\|timed out" "$logfile"; then

        echo " [ERROR] Timeout issues detected"

    fi

    

    # Corruption issues

    if grep -q -i "corrupt\|damaged\|inconsistent" "$logfile"; then

        echo " [CRITICAL] Filesystem corruption detected"

    fi

    

    echo

    echo "----------------------------------------"

    echo

}

# Function to check log age and archive old logs

archive_old_logs() {

    echo "Checking for old logs to archive..."

    find "$LOG_DIR" -name "*.log" -type f -mtime +$RETENTION_DAYS -exec sh -c '

        for file; do

            echo "Archiving: $file"

            gzip -c "$file" > "'"$ARCHIVE_DIR"'/$(basename "$file").$(date +%Y%m%d).gz"

            rm "$file"

        done

    ' sh {} +

    echo

}

# Function to generate summary statistics

generate_summary() {

    echo "=========================================="

    echo "Overall Summary"

    echo "=========================================="

    

    total_logs=$(find "$LOG_DIR" -name "*.log" -type f | wc -l)

    echo "Total log files scanned: $total_logs"

    

    # Calculate total size

    total_size=$(du -sh "$LOG_DIR" 2>/dev/null | awk '{print $1}')

    echo "Total log directory size: $total_size"

    

    # Recent activity (last 24 hours)

    recent_logs=$(find "$LOG_DIR" -name "*.log" -type f -mtime -1 | wc -l)

    echo "Log files modified in last 24h: $recent_logs"

    

    echo

}

# Function to send alert if critical issues found

send_alert() {

    local critical_count="$1"

    

    if [[ $critical_count -gt 0 ]]; then

        echo "ALERT: $critical_count critical issues found!" | \

            mailx -s "fs_clone Critical Issues Detected - $(hostname)" "$ALERT_EMAIL"

    fi

}

# Main execution

echo "Starting fs_clone log scan..."

echo

# Check if log directory exists

if [[ ! -d "$LOG_DIR" ]]; then

    echo "ERROR: Log directory $LOG_DIR does not exist"

    exit 1

fi

# Counter for critical issues

CRITICAL_COUNT=0

# Scan all log files

for logfile in "$LOG_DIR"/*.log; do

    if [[ -f "$logfile" ]]; then

        analyze_log "$logfile"

        

        # Check for critical issues

        if grep -q -i "critical\|corrupt\|no space" "$logfile"; then

            ((CRITICAL_COUNT++))

        fi

    fi

done

# Generate summary

generate_summary

# Archive old logs

archive_old_logs

# Send alert if needed

send_alert "$CRITICAL_COUNT"

echo "=========================================="

echo "Analysis complete. Report saved to:"

echo "$REPORT_FILE"

echo "=========================================="

# Exit with appropriate code

if [[ $CRITICAL_COUNT -gt 0 ]]; then

    exit 2

else

    exit 0

fi