43 lines
1.2 KiB
Bash
43 lines
1.2 KiB
Bash
#!/bin/bash
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# Database backup script for ciyuan_viewfinder
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# Usage: ./scripts/backup_db.sh
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# Recommended: add to crontab for daily backups
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# Example crontab: 0 3 * * * /path/to/server/scripts/backup_db.sh
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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SERVER_DIR="$(dirname "$SCRIPT_DIR")"
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# Load .env
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if [ -f "$SERVER_DIR/.env" ]; then
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export $(grep -v '^#' "$SERVER_DIR/.env" | xargs)
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fi
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DB_HOST="${DB_HOST:-10.0.10.11}"
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DB_PORT="${DB_PORT:-5432}"
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DB_NAME="${DB_NAME:-ciyuan_viewfinder}"
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DB_USER="${DB_USER:-shiran}"
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BACKUP_DIR="${BACKUP_DIR:-$SERVER_DIR/backups}"
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RETENTION_DAYS="${RETENTION_DAYS:-30}"
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mkdir -p "$BACKUP_DIR"
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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BACKUP_FILE="$BACKUP_DIR/${DB_NAME}_${TIMESTAMP}.sql.gz"
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echo "[$(date)] Starting backup of $DB_NAME..."
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pg_dump -h "$DB_HOST" -p "$DB_PORT" -U "$DB_USER" -d "$DB_NAME" \
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--no-owner --no-acl --format=plain \
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| gzip > "$BACKUP_FILE"
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echo "[$(date)] Backup saved to $BACKUP_FILE ($(du -sh "$BACKUP_FILE" | cut -f1))"
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# Cleanup old backups
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find "$BACKUP_DIR" -name "${DB_NAME}_*.sql.gz" -mtime +$RETENTION_DAYS -delete
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echo "[$(date)] Cleaned up backups older than $RETENTION_DAYS days"
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echo "[$(date)] Backup complete."
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