134 lines
3.9 KiB
Bash
Executable File
134 lines
3.9 KiB
Bash
Executable File
#!/bin/bash
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# Laravel Timebank Database Backup Script
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# Backs up MySQL database with compression and rotation
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# Usage: ./backup-database.sh [backup_type]
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# backup_type: daily (default), weekly, monthly
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set -e # Exit on any error
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# Configuration
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
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BACKUP_ROOT_DIR="$PROJECT_ROOT/backups"
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LOG_FILE="$BACKUP_ROOT_DIR/backup.log"
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# Create backup directories
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mkdir -p "$BACKUP_ROOT_DIR"/{database/{daily,weekly,monthly},logs}
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# Logging function
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log() {
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echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
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}
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# Load environment loader
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source "$SCRIPT_DIR/load-env.sh"
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# Load environment variables
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if ! load_env "$PROJECT_ROOT/.env"; then
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log "ERROR: .env file not found in $PROJECT_ROOT"
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exit 1
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fi
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# Validate required environment variables
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if [ -z "$DB_DATABASE" ] || [ -z "$DB_USERNAME" ] || [ -z "$DB_HOST" ]; then
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log "ERROR: Required database environment variables not found (DB_DATABASE, DB_USERNAME, DB_HOST)"
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exit 1
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fi
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# Set backup type (daily, weekly, monthly)
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BACKUP_TYPE="${1:-daily}"
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TIMESTAMP=$(date '+%Y%m%d_%H%M%S')
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BACKUP_DIR="$BACKUP_ROOT_DIR/database/$BACKUP_TYPE"
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BACKUP_FILE="$BACKUP_DIR/${DB_DATABASE}_${BACKUP_TYPE}_${TIMESTAMP}.sql"
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COMPRESSED_FILE="${BACKUP_FILE}.gz"
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# Create backup type directory
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mkdir -p "$BACKUP_DIR"
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log "Starting $BACKUP_TYPE database backup for $DB_DATABASE"
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# Perform database backup
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log "Creating database dump..."
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# Create MySQL configuration file for secure password handling
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MYSQL_CNF_FILE="/tmp/mysql_backup_$$.cnf"
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cat > "$MYSQL_CNF_FILE" <<EOF
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[mysqldump]
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host=${DB_HOST:-127.0.0.1}
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port=${DB_PORT:-3306}
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user=$DB_USERNAME
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password=$DB_PASSWORD
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EOF
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# Set secure permissions on the config file
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chmod 600 "$MYSQL_CNF_FILE"
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# Perform the backup using the config file
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mysqldump \
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--defaults-extra-file="$MYSQL_CNF_FILE" \
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--single-transaction \
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--routines \
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--triggers \
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--events \
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--add-drop-database \
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--databases "$DB_DATABASE" \
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> "$BACKUP_FILE"
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# Clean up the temporary config file
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rm -f "$MYSQL_CNF_FILE"
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# Compress the backup
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log "Compressing backup..."
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gzip "$BACKUP_FILE"
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# Verify the compressed backup exists and has content
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if [ -f "$COMPRESSED_FILE" ] && [ -s "$COMPRESSED_FILE" ]; then
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BACKUP_SIZE=$(du -h "$COMPRESSED_FILE" | cut -f1)
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log "SUCCESS: Database backup completed - $COMPRESSED_FILE ($BACKUP_SIZE)"
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else
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log "ERROR: Backup verification failed - $COMPRESSED_FILE"
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exit 1
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fi
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# Retention cleanup based on backup type
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cleanup_old_backups() {
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local backup_dir="$1"
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local keep_count="$2"
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local pattern="$3"
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log "Cleaning up old $BACKUP_TYPE backups (keeping $keep_count most recent)"
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# Remove old backups, keeping only the specified number
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ls -t "$backup_dir"/$pattern 2>/dev/null | tail -n +$((keep_count + 1)) | while read -r old_backup; do
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if [ -f "$backup_dir/$old_backup" ]; then
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rm "$backup_dir/$old_backup"
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log "Removed old backup: $old_backup"
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fi
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done
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}
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# Apply retention policy
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case "$BACKUP_TYPE" in
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daily)
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cleanup_old_backups "$BACKUP_DIR" 7 "${DB_DATABASE}_daily_*.sql.gz"
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;;
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weekly)
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cleanup_old_backups "$BACKUP_DIR" 4 "${DB_DATABASE}_weekly_*.sql.gz"
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;;
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monthly)
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cleanup_old_backups "$BACKUP_DIR" 12 "${DB_DATABASE}_monthly_*.sql.gz"
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;;
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esac
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# Generate backup report
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TOTAL_BACKUPS=$(find "$BACKUP_ROOT_DIR/database" -name "*.sql.gz" | wc -l)
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TOTAL_SIZE=$(du -sh "$BACKUP_ROOT_DIR/database" | cut -f1)
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log "Backup summary: $TOTAL_BACKUPS total backups, $TOTAL_SIZE total size"
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log "$BACKUP_TYPE database backup completed successfully"
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# Send notification
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if command -v mail >/dev/null 2>&1; then
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echo "Database backup completed successfully at $(date)" | mail -s "Timebank DB Backup Success" "${BACKUP_NOTIFY_EMAIL:-$USER@localhost}" 2>/dev/null || true
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fi |