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feat: Add comprehensive backup script for Gitea and PostgreSQL database
This commit is contained in:
Peter Wood
267
backup-gitea.sh
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267
backup-gitea.sh
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#!/bin/bash
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# backup-gitea.sh - Backup Gitea data and PostgreSQL database
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# Author: Shell Repository
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# Description: Comprehensive backup solution for Gitea with PostgreSQL database
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set -e
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# Colors for output
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GREEN='\033[0;32m'
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YELLOW='\033[0;33m'
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# Configuration
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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BACKUP_DIR="/home/acedanger/backups/gitea"
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COMPOSE_DIR="/home/acedanger/docker/gitea"
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COMPOSE_FILE="$COMPOSE_DIR/docker-compose.yml"
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LOG_FILE="$SCRIPT_DIR/logs/gitea-backup.log"
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# Ensure logs directory exists
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mkdir -p "$(dirname "$LOG_FILE")"
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# Logging function
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log() {
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echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
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}
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# Display usage information
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usage() {
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echo "Usage: $0 [OPTIONS]"
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echo ""
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echo "Backup Gitea data and PostgreSQL database"
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echo ""
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echo "Options:"
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echo " -h, --help Show this help message"
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echo " -d, --dry-run Show what would be backed up without doing it"
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echo " -f, --force Force backup even if one was recently created"
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echo " -r, --restore FILE Restore from specified backup directory"
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echo " -l, --list List available backups"
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echo " -c, --cleanup Clean up old backups (keeps last 7 days)"
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echo " --keep-days DAYS Number of days to keep backups (default: 7)"
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echo ""
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echo "Examples:"
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echo " $0 # Regular backup"
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echo " $0 --dry-run # See what would be backed up"
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echo " $0 --list # List available backups"
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echo " $0 --restore /path/to/backup # Restore from backup"
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}
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# Check dependencies
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check_dependencies() {
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local missing_deps=()
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command -v docker >/dev/null 2>&1 || missing_deps+=("docker")
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command -v docker-compose >/dev/null 2>&1 || missing_deps+=("docker-compose")
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if [ ${#missing_deps[@]} -ne 0 ]; then
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echo -e "${RED}Error: Missing required dependencies: ${missing_deps[*]}${NC}"
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echo "Please install the missing dependencies and try again."
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exit 1
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fi
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# Check if docker-compose file exists
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if [ ! -f "$COMPOSE_FILE" ]; then
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echo -e "${RED}Error: Docker compose file not found at $COMPOSE_FILE${NC}"
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exit 1
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fi
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# Check if we can access Docker
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if ! docker info >/dev/null 2>&1; then
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echo -e "${RED}Error: Cannot access Docker. Check if Docker is running and you have permissions.${NC}"
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exit 1
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fi
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}
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# Check if Gitea services are running
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check_gitea_services() {
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cd "$COMPOSE_DIR"
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if ! docker-compose ps | grep -q "Up"; then
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echo -e "${YELLOW}Warning: Gitea services don't appear to be running${NC}"
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echo "Some backup operations may fail if services are not running."
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read -p "Continue anyway? (y/N): " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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echo "Backup cancelled"
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exit 1
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fi
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fi
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}
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# List available backups
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list_backups() {
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echo -e "${BLUE}=== Available Gitea Backups ===${NC}"
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if [ ! -d "$BACKUP_DIR" ]; then
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echo -e "${YELLOW}No backup directory found at $BACKUP_DIR${NC}"
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return 0
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fi
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local count=0
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# Find backup directories
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for backup_path in "$BACKUP_DIR"/gitea_backup_*; do
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if [ -d "$backup_path" ]; then
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local backup_name
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backup_name=$(basename "$backup_path")
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local backup_date
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backup_date=$(echo "$backup_name" | sed 's/gitea_backup_//' | sed 's/_/ /')
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local size
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size=$(du -sh "$backup_path" 2>/dev/null | cut -f1)
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local info_file="$backup_path/backup_info.txt"
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echo -e "${GREEN}📦 $backup_name${NC}"
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echo " Date: $backup_date"
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echo " Size: $size"
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echo " Path: $backup_path"
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if [ -f "$info_file" ]; then
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local gitea_version
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gitea_version=$(grep "Gitea Version:" "$info_file" 2>/dev/null | cut -d: -f2- | xargs)
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if [ -n "$gitea_version" ]; then
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echo " Version: $gitea_version"
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fi
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fi
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echo ""
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count=$((count + 1))
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fi
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done
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if [ $count -eq 0 ]; then
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echo -e "${YELLOW}No backups found in $BACKUP_DIR${NC}"
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echo "Run a backup first to create one."
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else
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echo -e "${BLUE}Total backups found: $count${NC}"
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fi
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}
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# Change to compose directory
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cd "$COMPOSE_DIR"
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# Create timestamped backup directory
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BACKUP_PATH="$BACKUP_DIR/gitea_backup_$DATE"
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mkdir -p "$BACKUP_PATH"
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# Backup PostgreSQL database
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echo "Backing up PostgreSQL database..."
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docker-compose exec -T db pg_dump -U ${POSTGRES_USER:-gitea} ${POSTGRES_DB:-gitea} > "$BACKUP_PATH/database.sql"
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# Backup Gitea data volume
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echo "Backing up Gitea data volume..."
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docker run --rm \
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-v gitea_gitea:/data:ro \
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-v "$BACKUP_PATH":/backup \
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alpine:latest \
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tar czf /backup/gitea_data.tar.gz -C /data .
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# Backup PostgreSQL data volume (optional, as we have the SQL dump)
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echo "Backing up PostgreSQL data volume..."
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docker run --rm \
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-v gitea_postgres:/data:ro \
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-v "$BACKUP_PATH":/backup \
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alpine:latest \
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tar czf /backup/postgres_data.tar.gz -C /data .
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# Copy docker-compose configuration
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echo "Backing up configuration files..."
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cp "$COMPOSE_FILE" "$BACKUP_PATH/"
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if [ -f ".env" ]; then
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cp ".env" "$BACKUP_PATH/"
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fi
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# Create a restore script
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cat > "$BACKUP_PATH/restore.sh" << 'EOF'
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#!/bin/bash
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# Restore script for Gitea backup
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set -e
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RESTORE_DIR="$(dirname "$0")"
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COMPOSE_DIR="/home/acedanger/docker/gitea"
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echo "WARNING: This will stop Gitea and replace all data!"
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read -p "Are you sure you want to continue? (yes/no): " confirm
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if [ "$confirm" != "yes" ]; then
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echo "Restore cancelled"
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exit 1
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fi
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cd "$COMPOSE_DIR"
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# Stop services
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echo "Stopping Gitea services..."
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docker-compose down
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# Remove existing volumes
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echo "Removing existing volumes..."
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docker volume rm gitea_gitea gitea_postgres || true
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# Recreate volumes
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echo "Creating volumes..."
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docker volume create gitea_gitea
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docker volume create gitea_postgres
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# Restore Gitea data
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echo "Restoring Gitea data..."
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docker run --rm \
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-v gitea_gitea:/data \
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-v "$RESTORE_DIR":/backup:ro \
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alpine:latest \
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tar xzf /backup/gitea_data.tar.gz -C /data
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# Start database for restore
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echo "Starting database for restore..."
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docker-compose up -d db
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# Wait for database to be ready
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echo "Waiting for database to be ready..."
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sleep 10
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# Restore database
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echo "Restoring database..."
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docker-compose exec -T db psql -U ${POSTGRES_USER:-gitea} -d ${POSTGRES_DB:-gitea} < "$RESTORE_DIR/database.sql"
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# Start all services
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echo "Starting all services..."
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docker-compose up -d
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echo "Restore completed!"
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EOF
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chmod +x "$BACKUP_PATH/restore.sh"
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# Create info file
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cat > "$BACKUP_PATH/backup_info.txt" << EOF
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Gitea Backup Information
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========================
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Backup Date: $(date)
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Backup Location: $BACKUP_PATH
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Gitea Version: $(docker-compose exec -T server gitea --version | head -1)
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PostgreSQL Version: $(docker-compose exec -T db postgres --version)
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Files included:
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- database.sql: PostgreSQL database dump
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- gitea_data.tar.gz: Gitea data volume
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- postgres_data.tar.gz: PostgreSQL data volume
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- docker-compose.yml: Docker compose configuration
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- .env: Environment variables (if exists)
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- restore.sh: Restore script
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To restore this backup, run:
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cd $BACKUP_PATH
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./restore.sh
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EOF
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# Cleanup old backups (keep last 7 days)
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echo "Cleaning up old backups..."
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find "$BACKUP_DIR" -type d -name "gitea_backup_*" -mtime +7 -exec rm -rf {} + 2>/dev/null || true
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echo "Backup completed successfully!"
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echo "Backup saved to: $BACKUP_PATH"
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echo "Backup size: $(du -sh "$BACKUP_PATH" | cut -f1)"
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