`scripts/devops/log-rotation.sh`

78 lines
#!/bin/bash
#
# LUXVAULT Log Rotation Script
# Rotates and archives application logs
# Runs daily at 1am via cron
#

set -euo pipefail

PROJECT_DIR="/root/Projects/handbag-auth-nextjs"
LOG_DIR="$PROJECT_DIR/logs"
ARCHIVE_DIR="$LOG_DIR/archive"
DATA_DIR="$PROJECT_DIR/data/auction-history"

# Retention (days)
RETENTION_DAYS=14
ARCHIVE_RETENTION_DAYS=90

# Maximum log size (bytes) - 10MB
MAX_LOG_SIZE=10485760

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

log() {
    echo "[$(date +'%Y-%m-%d %H:%M:%S')] $*"
}

# Create directories
mkdir -p "$ARCHIVE_DIR"

log "Starting log rotation..."

# Function to rotate a log file
rotate_log() {
    local log_file="$1"
    local log_name=$(basename "$log_file")

    if [ ! -f "$log_file" ]; then
        return
    fi

    local file_size=$(stat -f%z "$log_file" 2>/dev/null || stat -c%s "$log_file")

    # Only rotate if file exceeds max size
    if [ "$file_size" -gt "$MAX_LOG_SIZE" ]; then
        log "Rotating $log_name ($(echo "scale=2; $file_size / 1024 / 1024" | bc)MB)..."

        # Compress and archive
        gzip -c "$log_file" > "$ARCHIVE_DIR/${log_name}_${TIMESTAMP}.gz"

        # Truncate original log file
        > "$log_file"

        log "✓ Rotated and archived $log_name"
    fi
}

# Rotate application logs
rotate_log "$LOG_DIR/health-monitor.log"
rotate_log "$LOG_DIR/deployment.log"
rotate_log "$LOG_DIR/backup.log"
rotate_log "$LOG_DIR/alerts.log"

# Rotate data logs
rotate_log "$DATA_DIR/scraper.log"
rotate_log "$DATA_DIR/metrics.log"

# Clean up old archives
log "Cleaning up old archives (retention: ${ARCHIVE_RETENTION_DAYS} days)..."
find "$ARCHIVE_DIR" -name "*.gz" -mtime +$ARCHIVE_RETENTION_DAYS -delete

ARCHIVE_COUNT=$(find "$ARCHIVE_DIR" -name "*.gz" | wc -l)
ARCHIVE_SIZE=$(du -sh "$ARCHIVE_DIR" 2>/dev/null | cut -f1 || echo "0")

log "✓ Archive cleanup complete"
log "Archived logs: $ARCHIVE_COUNT files, $ARCHIVE_SIZE total"
log "Log rotation complete"