db scripts

backup-db.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# OpenCand Database Backup Script
+# This script creates a backup of the PostgreSQL database (excluding materialized views)
+
+set -e  # Exit on any error
+
+# Configuration
+DB_CONTAINER="opencand_db"
+DB_NAME="opencand"
+DB_USER="root"
+BACKUP_FILE="backup_$(date +%Y%m%d_%H%M%S).sql"
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+echo -e "${YELLOW}💾 OpenCand Database Backup Script${NC}"
+echo "=================================="
+
+# Check if Docker is running
+if ! docker info >/dev/null 2>&1; then
+    echo -e "${RED}❌ Error: Docker is not running or not accessible${NC}"
+    exit 1
+fi
+
+# Check if the database container is running
+if ! docker ps --format "table {{.Names}}" | grep -q "^${DB_CONTAINER}$"; then
+    echo -e "${RED}❌ Error: Database container '${DB_CONTAINER}' is not running${NC}"
+    echo "Please start the services with: docker-compose up -d"
+    exit 1
+fi
+
+echo -e "${YELLOW}📋 Creating backup (excluding materialized views)...${NC}"
+
+# Get list of materialized views
+MATVIEWS=$(docker exec $DB_CONTAINER psql -U $DB_USER -d $DB_NAME -Atc "SELECT schemaname || '.' || matviewname FROM pg_matviews;")
+
+# Build exclude flags for pg_dump
+EXCLUDE_FLAGS=""
+for mv in $MATVIEWS; do
+    EXCLUDE_FLAGS+=" --exclude-table=$mv"
+done
+
+# Run pg_dump excluding materialized views
+if docker exec $DB_CONTAINER pg_dump -U $DB_USER -d $DB_NAME $EXCLUDE_FLAGS > "$BACKUP_FILE"; then
+    echo -e "${GREEN}✅ Backup created: $BACKUP_FILE${NC}"
+else
+    echo -e "${RED}❌ Error: Failed to create backup${NC}"
+    exit 1
+fi
+
+echo -e "${GREEN}🎉 Backup completed successfully!${NC}"
+echo "=================================="