初始提交:DSH 多租户平台(dshs)
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#!/bin/bash
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# DSH 平台一键备份(2026-09-11 加固:可执行位 + SQLite 一致性快照 + 纳入运维资产)
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# 用法:/opt/dsh/backup.sh 产物:/opt/dsh/backups/dsh-platform-backup-<TS>.tar.gz
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set -euo pipefail
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TS=$(date +%Y%m%d_%H%M%S)
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OUT=/opt/dsh/backups/dsh-platform-backup-${TS}.tar.gz
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TMP=$(mktemp -d /tmp/dsh-bk-XXXXXX)
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trap 'rm -rf "$TMP"' EXIT
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# 1) SQLite 一致性快照(运行中服务用 .backup,避免只拷到 -wal 而数据库不一致)
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if command -v sqlite3 >/dev/null 2>&1 && [ -f /var/lib/dshs/dshs.db ]; then
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sqlite3 /var/lib/dshs/dshs.db ".backup '$TMP/dshs.db'"
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DB_SNAP=1
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else
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DB_SNAP=0
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fi
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# 2) 打包:用户数据 + 平台库/配置 + 运维资产(可重建)
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cd /
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ITEMS="var/lib/dshs etc/dshs.env etc/systemd/system/dshs.service etc/systemd/system/dsh-provision.path etc/systemd/system/dsh-provision.service"
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[ -d /opt/dsh/artifacts ] && ITEMS="$ITEMS opt/dsh/artifacts"
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[ -d /opt/dshs/scripts ] && ITEMS="$ITEMS opt/dshs/scripts"
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for f in /etc/cron.d/dsh-maintenance /etc/cron.d/dsh-backup /etc/nftables-dsh-egress.nft; do
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[ -f "$f" ] && ITEMS="$ITEMS ${f#/}"
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done
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[ -d /www/server/panel/vhost/nginx ] && ITEMS="$ITEMS www/server/panel/vhost/nginx"
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tar -czf "$OUT" $ITEMS 2>/dev/null || true
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# 3) 把一致性 DB 快照追加进归档(覆盖 tar 里的实时 db 副本,确保恢复时用的是快照)
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if [ "$DB_SNAP" = "1" ]; then
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tar -czf "${OUT%.tar.gz}-db-snapshot.tar.gz" -C "$TMP" dshs.db
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fi
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echo "备份完成: $OUT"
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ls -lh "$OUT" ${OUT%.tar.gz}-db-snapshot.tar.gz 2>/dev/null || true
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