3a444864ac
签名算法从 COS HMAC-SHA1 改为 TOS V4 HMAC-SHA256， 更新前后端上传凭证字段、配置项、备份脚本和文档。 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
50 lines
1.6 KiB
Bash
Executable File
50 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# ===========================
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# PostgreSQL 每日备份脚本
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# 备份到本地 + 上传到火山引擎 TOS
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# ===========================
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# 配合 crontab 使用：
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# 0 3 * * * /path/to/backup.sh >> /var/log/miaosi-backup.log 2>&1
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set -euo pipefail
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# ---- 配置 ----
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BACKUP_DIR="${BACKUP_DIR:-/var/backups/miaosi}"
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POSTGRES_CONTAINER="${POSTGRES_CONTAINER:-miaosi-postgres}"
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POSTGRES_USER="${POSTGRES_USER:-postgres}"
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POSTGRES_DB="${POSTGRES_DB:-miaosi}"
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RETAIN_DAYS="${RETAIN_DAYS:-7}"
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# TOS 备份桶（需要先安装 tosutil 并配置好凭证）
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TOS_BACKUP_BUCKET="${TOS_BACKUP_BUCKET:-}"
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TOS_BACKUP_PREFIX="${TOS_BACKUP_PREFIX:-backups/postgres}"
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# ---- 执行 ----
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DATE=$(date +%Y%m%d_%H%M%S)
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FILENAME="miaosi_${DATE}.sql.gz"
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mkdir -p "$BACKUP_DIR"
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echo "[$(date)] 开始备份数据库 ${POSTGRES_DB}..."
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# 1. pg_dump 导出并压缩
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docker exec "$POSTGRES_CONTAINER" pg_dump -U "$POSTGRES_USER" "$POSTGRES_DB" | gzip > "${BACKUP_DIR}/${FILENAME}"
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echo "[$(date)] 本地备份完成: ${BACKUP_DIR}/${FILENAME}"
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# 2. 上传到 TOS（如果配置了备份桶）
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if [ -n "$TOS_BACKUP_BUCKET" ]; then
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if command -v tosutil &> /dev/null; then
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tosutil cp "${BACKUP_DIR}/${FILENAME}" "tos://${TOS_BACKUP_BUCKET}/${TOS_BACKUP_PREFIX}/${FILENAME}"
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echo "[$(date)] 已上传到 TOS: ${TOS_BACKUP_BUCKET}/${TOS_BACKUP_PREFIX}/${FILENAME}"
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else
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echo "[$(date)] 警告: tosutil 未安装，跳过 TOS 上传"
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fi
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fi
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# 3. 清理过期的本地备份
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find "$BACKUP_DIR" -name "miaosi_*.sql.gz" -mtime +"$RETAIN_DAYS" -delete
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echo "[$(date)] 已清理 ${RETAIN_DAYS} 天前的本地备份"
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echo "[$(date)] 备份完成"
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