60 lines
2.2 KiB
Bash
Executable File
60 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 每日備份主機 106.105.181.40 各服務到 NAS NFS（hdsnas02:/TEL_BACKUP_NFS）
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# 由 cron 以 root 執行（見 /etc/cron.d/backup-nfs）
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# 手動執行：sudo /opt/backup_all_to_nfs.sh
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set -u
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NFS=/mnt/tel_backup_nfs
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BASE=$NFS/106_105_181_40
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RETAIN_DAYS=14 # 保留天數，超過即刪除
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TS=$(date +%Y%m%d_%H%M%S)
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DEST=$BASE/$TS
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LOG=$BASE/backup.log
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log(){ echo "[$(date '+%F %T')] $*" | tee -a "$LOG"; }
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# 安全檢查：NFS 一定要掛載，否則中止（避免寫進本機根磁碟把它撐爆）
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if ! mountpoint -q "$NFS"; then
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echo "[$(date '+%F %T')] ERROR: $NFS 未掛載，中止備份" | tee -a "$LOG" >&2
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exit 1
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fi
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mkdir -p "$DEST"
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log "===== 備份開始 -> $DEST ====="
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ok=0; fail=0
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# do_tar <名稱> <來源上層目錄> <項目>
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do_tar(){
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if tar czf "$DEST/$1.tar.gz" -C "$2" "$3" 2>"$DEST/$1.err"; then
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log "$1 OK $(du -h "$DEST/$1.tar.gz" | cut -f1)"; rm -f "$DEST/$1.err"; ok=$((ok+1))
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else
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log "$1 FAIL: $(cat "$DEST/$1.err")"; fail=$((fail+1))
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fi
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}
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do_tar caddy /opt caddy
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do_tar php /opt php
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do_tar php-staging /opt php-staging
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do_tar phpmyadmin /opt phpmyadmin
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do_tar coturn /opt coturn
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do_tar antmedia_volume /var/lib/docker/volumes/antmedia_volume/_data .
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# MySQL：邏輯備份（--single-transaction = InnoDB 一致性快照，不鎖表）
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# 密碼從容器內環境變數取，不出現在主機 process list
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if docker exec mysql-container sh -c \
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'exec mysqldump -uroot -p"$MYSQL_ROOT_PASSWORD" --all-databases --single-transaction --routines --triggers --events' \
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2>"$DEST/mysql.err" | gzip > "$DEST/mysql_all_databases.sql.gz" \
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&& [ -s "$DEST/mysql_all_databases.sql.gz" ]; then
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log "mysql OK $(du -h "$DEST/mysql_all_databases.sql.gz" | cut -f1)"; rm -f "$DEST/mysql.err"; ok=$((ok+1))
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else
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log "mysql FAIL: $(cat "$DEST/mysql.err" 2>/dev/null)"; fail=$((fail+1))
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fi
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log "===== 完成：成功 $ok / 失敗 $fail，本次大小 $(du -sh "$DEST" | cut -f1) ====="
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# 保留天數內，清掉更舊的備份
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find "$BASE" -maxdepth 1 -type d -name '20*' -mtime +"$RETAIN_DAYS" -exec rm -rf {} \; 2>/dev/null
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log "===== 已清理超過 ${RETAIN_DAYS} 天的舊備份 ====="
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[ "$fail" -eq 0 ] || exit 1
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