Initial commit - Church Music Database

legacy-site/scripts/shell/backup-database.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+#
+# PostgreSQL Database Backup Script with Rotation
+# Backs up database and maintains 7 days of history
+#
+
+set -e  # Exit on error
+
+# Configuration
+BACKUP_DIR="/media/pts/Website/Church_HOP_MusicData/backups"
+DB_NAME="church_songlyric"
+DB_USER="songlyric_user"
+DB_HOST="192.168.10.130"
+DB_PORT="5432"
+RETENTION_DAYS=7
+TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
+BACKUP_FILE="$BACKUP_DIR/${DB_NAME}_${TIMESTAMP}.sql.gz"
+LOG_FILE="$BACKUP_DIR/backup.log"
+
+# Colors for output
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Logging function
+log() {
+    echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
+}
+
+# Create backup directory if it doesn't exist
+mkdir -p "$BACKUP_DIR"
+
+log "=========================================="
+log "Starting database backup"
+log "Database: $DB_NAME"
+log "Timestamp: $TIMESTAMP"
+
+# Check if PostgreSQL client is installed
+if ! command -v pg_dump &> /dev/null; then
+    log "ERROR: pg_dump not found. Install postgresql-client"
+    exit 1
+fi
+
+# Check database connectivity
+if ! PGPASSWORD="$POSTGRES_PASSWORD" psql -h "$DB_HOST" -U "$DB_USER" -d "$DB_NAME" -c "\q" 2>/dev/null; then
+    log "WARNING: Cannot connect to database. Check credentials in .env"
+fi
+
+# Perform backup
+log "Creating backup..."
+if PGPASSWORD="$POSTGRES_PASSWORD" pg_dump \
+    -h "$DB_HOST" \
+    -U "$DB_USER" \
+    -d "$DB_NAME" \
+    --verbose \
+    --format=plain \
+    --no-owner \
+    --no-privileges \
+    2>> "$LOG_FILE" | gzip > "$BACKUP_FILE"; then
+    
+    BACKUP_SIZE=$(du -h "$BACKUP_FILE" | cut -f1)
+    log "✓ Backup created successfully: $BACKUP_FILE"
+    log "  Size: $BACKUP_SIZE"
+else
+    log "✗ Backup failed"
+    exit 1
+fi
+
+# Verify backup integrity
+log "Verifying backup integrity..."
+if gzip -t "$BACKUP_FILE"; then
+    log "✓ Backup file integrity verified"
+else
+    log "✗ Backup file is corrupted"
+    exit 1
+fi
+
+# Clean up old backups
+log "Cleaning up old backups (keeping last $RETENTION_DAYS days)..."
+find "$BACKUP_DIR" -name "${DB_NAME}_*.sql.gz" -type f -mtime +$RETENTION_DAYS -delete
+OLD_COUNT=$(find "$BACKUP_DIR" -name "${DB_NAME}_*.sql.gz" -type f | wc -l)
+log "✓ Retained $OLD_COUNT backup file(s)"
+
+# Create a 'latest' symlink
+ln -sf "$BACKUP_FILE" "$BACKUP_DIR/${DB_NAME}_latest.sql.gz"
+log "✓ Updated latest backup symlink"
+
+# Display backup summary
+echo ""
+echo -e "${GREEN}=========================================="
+echo -e "BACKUP COMPLETED SUCCESSFULLY"
+echo -e "==========================================${NC}"
+echo "Backup file: $BACKUP_FILE"
+echo "Size: $BACKUP_SIZE"
+echo "Retention: $RETENTION_DAYS days"
+echo "Total backups: $OLD_COUNT"
+echo ""
+
+# Optional: Upload to cloud storage (uncomment and configure)
+# log "Uploading to cloud storage..."
+# aws s3 cp "$BACKUP_FILE" "s3://your-bucket/backups/" || log "Cloud upload failed"
+
+log "Backup process completed"
+log "=========================================="
+
+exit 0