64 lines
2.7 KiB
Bash
Executable File
64 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# 云端数据库一键备份脚本
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# 用法：bash backup-db.sh
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set -e
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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LOCAL_DIR="/Users/niuniu/programs/docker/db-backups"
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log() { echo "[$(date '+%H:%M:%S')] $1"; }
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log "开始备份云端数据库..."
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# 备份前执行 WAL checkpoint，确保数据全部合并到 .db 主文件
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log "执行 WAL checkpoint (assets)..."
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ssh txjp "docker exec assets-ai node -e \"const D=require('better-sqlite3');const db=new D('/app/data/assets.db');db.pragma('wal_checkpoint(TRUNCATE)');db.close();\""
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log "执行 WAL checkpoint (issue)..."
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ssh txjp "docker exec issue-ai node -e \"const D=require('better-sqlite3');const db=new D('/app/data/issue.db');db.pragma('wal_checkpoint(TRUNCATE)');db.close();\""
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log "执行 WAL checkpoint (LLDAP)..."
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ssh txjp "docker exec lldap sqlite3 /data/users.db 'PRAGMA wal_checkpoint(TRUNCATE);' 2>/dev/null || true"
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# 云端打包（使用 docker cp 从容器内复制，确保拿到真实数据而非旧宿主机文件）
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ssh txjp "mkdir -p /tmp/db-backup && \
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docker cp assets-ai:/app/data/assets.db /tmp/db-backup/assets-${TIMESTAMP}.db && \
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docker cp issue-ai:/app/data/issue.db /tmp/db-backup/issue-${TIMESTAMP}.db && \
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docker cp lldap:/data/users.db /tmp/db-backup/ldap-${TIMESTAMP}.db"
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# 确保本地备份目录存在
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mkdir -p "${LOCAL_DIR}"
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# 云端留一份持久备份
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CLOUD_DIR="/root/docker/db-backups"
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ssh txjp "mkdir -p ${CLOUD_DIR} && \
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cp /tmp/db-backup/assets-${TIMESTAMP}.db ${CLOUD_DIR}/assets-${TIMESTAMP}.db && \
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cp /tmp/db-backup/issue-${TIMESTAMP}.db ${CLOUD_DIR}/issue-${TIMESTAMP}.db && \
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cp /tmp/db-backup/ldap-${TIMESTAMP}.db ${CLOUD_DIR}/ldap-${TIMESTAMP}.db"
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log "云端备份已保存至: ${CLOUD_DIR}"
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# 复制到本地
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log "复制到本地..."
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mkdir -p "${LOCAL_DIR}"
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scp "txjp:/tmp/db-backup/assets-${TIMESTAMP}.db" "${LOCAL_DIR}/"
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scp "txjp:/tmp/db-backup/issue-${TIMESTAMP}.db" "${LOCAL_DIR}/"
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scp "txjp:/tmp/db-backup/ldap-${TIMESTAMP}.db" "${LOCAL_DIR}/"
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# 验证备份文件为有效 SQLite 数据库
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log "验证备份完整性..."
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for f in "${LOCAL_DIR}/assets-${TIMESTAMP}.db" "${LOCAL_DIR}/issue-${TIMESTAMP}.db" "${LOCAL_DIR}/ldap-${TIMESTAMP}.db"; do
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if ! sqlite3 "$f" "SELECT count(*) FROM sqlite_master" > /dev/null 2>&1; then
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echo "[错误] 备份文件无效或损坏: $f"
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exit 1
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fi
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done
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log "备份文件验证通过"
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# 清理云端临时文件
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ssh txjp "rm -rf /tmp/db-backup"
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log "备份完成：${TIMESTAMP}"
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echo " 云端: ${CLOUD_DIR}/"
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ssh txjp "ls -lh ${CLOUD_DIR}/assets-${TIMESTAMP}.db ${CLOUD_DIR}/issue-${TIMESTAMP}.db ${CLOUD_DIR}/ldap-${TIMESTAMP}.db 2>/dev/null"
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echo " 本地:"
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ls -lh "${LOCAL_DIR}"/assets-${TIMESTAMP}.db "${LOCAL_DIR}"/issue-${TIMESTAMP}.db "${LOCAL_DIR}"/ldap-${TIMESTAMP}.db 2>/dev/null
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