{"id":32313,"date":"2022-11-28T14:44:34","date_gmt":"2022-12-16T11:03:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e5%a4%87%e4%bb%bddynamodb%e8%a1%a8%e6%95%b0%e6%8d%ae%e5%88%b0s3%e3%80%82\/"},"modified":"2024-04-29T02:49:23","modified_gmt":"2024-04-28T18:49:23","slug":"%e4%bd%bf%e7%94%a8node-js%e5%a4%87%e4%bb%bddynamodb%e8%a1%a8%e6%95%b0%e6%8d%ae%e5%88%b0s3%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8node-js%e5%a4%87%e4%bb%bddynamodb%e8%a1%a8%e6%95%b0%e6%8d%ae%e5%88%b0s3%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Node.js\u5907\u4efdDynamoDB\u8868\u6570\u636e\u5230S3"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u7531\u4e8e\u6709\u4e00\u4e2a\u5e0c\u671b\u6279\u91cf\u5c06DynamoDB\u4e2d\u7684\u5927\u91cf\u8868\u683c\u6570\u636e\u5907\u4efd\u5230S3\u7684\u9700\u6c42\uff0c\u56e0\u6b64\u6211\u5728\u8fd9\u91cc\u505a\u4e00\u4e2a\u5907\u5fd8\u8bb0\u5f55\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u5982\u679c\u6570\u636e\u91cf\u4e0d\u5927\u7684\u8bdd\uff0c\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4f7f\u7528Data Pipeline\uff01\u7531\u4e8eaws-sdk\u4f3c\u4e4e\u65e0\u6cd5\u8bbe\u7f6eData Pipeline\u7684\u8be6\u7ec6\u9009\u9879\uff0c\u6240\u4ee5\u6211\u6ca1\u6709\u4f7f\u7528nodejs\u64cd\u4f5cData Pipeline\u3002<\/p>\n<h2>\u73af\u5883<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Nodejs v11.1.0<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">DynamoDB<\/ul>\n<h2>\u9884\u5148\u51c6\u5907<\/h2>\n<p>\u4e3a\u4e86\u8fdb\u884c\u5907\u4efd\uff0c\u8bf7\u4e8b\u5148\u5728S3\u4e0a\u521b\u5efa\u4e13\u7528\u7684\u5b58\u50a8\u6876\u3002\u672c\u6587\u5c06\u4ee5\u521b\u5efa\u540d\u4e3a&#8221;backups&#8221;\u7684\u5b58\u50a8\u6876\u4e3a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<h2>\u521b\u5efa\u9879\u76ee<\/h2>\n<p>\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u7c7b\u4f3c\u4e8edynamodb-backuper\u7684\u76ee\u5f55\uff0c\u7136\u540e\u7ee7\u7eed\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">mkdir <\/span>dynamodb-backuper\r\n\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>dynamodb-backuper\r\n\r\n<span class=\"nv\">$ <\/span>npm init\r\n\r\n<span class=\"nv\">$ <\/span>npm <span class=\"nb\">install <\/span>aws-sdk dynamodb-backup-restore <span class=\"nt\">--save<\/span>\r\n\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">touch <\/span>export.js restore.js\r\n<\/code><\/pre>\n<h2>\u5bfc\u51fa.js<\/h2>\n<p>export.js\u662f\u4e00\u4e2a\u6587\u4ef6\uff0c\u5b83\u6309\u7167\u5176\u540d\u79f0\u4eceDynamoDB\u5907\u4efd\u6240\u6709\u8868\u683c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"dl\">'<\/span><span class=\"s1\">use strict<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">AWS<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">aws-sdk<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">DynamoDB<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">DynamoDB<\/span><span class=\"p\">({<\/span><span class=\"na\">region<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">ap-northeast-1<\/span><span class=\"dl\">'<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nx\">main<\/span><span class=\"p\">(){<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">tables<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">getAllTableLists<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">tables<\/span><span class=\"p\">.<\/span><span class=\"nx\">forEach<\/span><span class=\"p\">((<\/span><span class=\"nx\">v<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nx\">exportToS3<\/span><span class=\"p\">(<\/span><span class=\"nx\">v<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">})<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u5b9f\u884c<\/span>\r\n<span class=\"nx\">main<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\">\/\/ Get all table names from DynamoDB<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"kd\">function<\/span> <span class=\"nx\">getAllTableLists<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">params<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{}<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">tables<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[]<\/span>\r\n\r\n    <span class=\"k\">while<\/span><span class=\"p\">(<\/span><span class=\"kc\">true<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"kd\">let<\/span> <span class=\"nx\">response<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">DynamoDB<\/span><span class=\"p\">.<\/span><span class=\"nx\">listTables<\/span><span class=\"p\">(<\/span><span class=\"nx\">params<\/span><span class=\"p\">).<\/span><span class=\"nx\">promise<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nx\">tables<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">tables<\/span><span class=\"p\">.<\/span><span class=\"nx\">concat<\/span><span class=\"p\">(<\/span><span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nx\">TableNames<\/span><span class=\"p\">)<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nx\">LastEvaluatedTableName<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">break<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nx\">params<\/span><span class=\"p\">.<\/span><span class=\"nx\">ExclusiveStartTableName<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">response<\/span><span class=\"p\">.<\/span><span class=\"nx\">LastEvaluatedTableName<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">tables<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ Function to perform backup<\/span>\r\n<span class=\"kd\">function<\/span> <span class=\"nx\">exportToS3<\/span><span class=\"p\">(<\/span><span class=\"nx\">tableName<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">Backup<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">dynamodb-backup-restore<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">Backup<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">config<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">S3Bucket<\/span><span class=\"p\">:<\/span>     <span class=\"dl\">'<\/span><span class=\"s1\">backups<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808 - \u30d0\u30b1\u30c3\u30c8\u540d <\/span>\r\n        <span class=\"na\">S3Prefix<\/span><span class=\"p\">:<\/span>     <span class=\"nx\">tableName<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u4efb\u610f - \u4fdd\u5b58\u3059\u308bS3\u306e\u30b5\u30d6\u30d5\u30a9\u30eb\u30c0\u540d<\/span>\r\n        <span class=\"na\">S3Encryption<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">AES256<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u4efb\u610f - \u6697\u53f7\u5316<\/span>\r\n        <span class=\"na\">S3Region<\/span><span class=\"p\">:<\/span>     <span class=\"dl\">'<\/span><span class=\"s1\">ap-northeast-1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808 - \u30ea\u30fc\u30b8\u30e7\u30f3<\/span>\r\n        <span class=\"na\">DbTable<\/span><span class=\"p\">:<\/span>      <span class=\"nx\">tableName<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808 - \u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u540d<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">backup<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">Backup<\/span><span class=\"p\">(<\/span><span class=\"nx\">config<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"nx\">backup<\/span><span class=\"p\">.<\/span><span class=\"nx\">full<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u5bfc\u51fa\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>node export.js\r\n<\/code><\/pre>\n<h2>\u8fd8\u539f.js<\/h2>\n<p>\u5728export.js\u4e2d\uff0c\u6211\u4eec\u5c06\u4e4b\u524d\u4eceS3\u5bfc\u51fa\u7684\u6570\u636e\u5bfc\u5165\u5230\u6307\u5b9a\u7684DynamoDB\u8868\u4e2d\uff0c\u800crestore.js\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u6062\u590d\u524d\uff0c\u9700\u8981\u4e8b\u5148\u521b\u5efa\u5e76\u5bfc\u5165\u8868\u3002\u6211\u4eec\u5047\u8bbe\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3anewTest1\u7684\u8868\u8fdb\u884c\u4e0b\u4e00\u6b65\u64cd\u4f5c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6839\u636e\u6570\u636e\u91cf\u7684\u4e0d\u540c\uff0c\u53ef\u80fd\u4f1a\u8d85\u51fa\u514d\u8d39\u5bb9\u91cf\u9650\u5236\uff0c\u56e0\u6b64\u8bf7\u6839\u636e\u6570\u636e\u5927\u5c0f\u8fdb\u884c\u6309\u9700\u53d8\u66f4\u3002<\/p>\n<p>\u5728\u4ee5\u4e0b\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5c06\u5728execRestore\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a\u4e00\u4e2a\u540d\u4e3atest1\u7684\u5b50\u6587\u4ef6\u5939\uff0c\u8be5\u6587\u4ef6\u5939\u662f\u5728S3\u4e0a\u5907\u4efd\u7684\uff0c\u5e76\u5c06\u65b0\u5efa\u7684\u8868\u540dnewTest1\u8bbe\u7f6e\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u7528\u4e8e\u5bfc\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"dl\">'<\/span><span class=\"s1\">use strict<\/span><span class=\"dl\">'<\/span>\r\n\r\n<span class=\"kd\">function<\/span> <span class=\"nx\">execRestore<\/span><span class=\"p\">(<\/span><span class=\"nx\">bucketName<\/span><span class=\"p\">,<\/span> <span class=\"nx\">tableName<\/span><span class=\"p\">){<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">Restore<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">dynamodb-backup-restore<\/span><span class=\"dl\">'<\/span><span class=\"p\">).<\/span><span class=\"nx\">Restore<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">config<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">S3Bucket<\/span><span class=\"p\">:<\/span>   <span class=\"dl\">'<\/span><span class=\"s1\">backups<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808<\/span>\r\n        <span class=\"na\">S3Prefix<\/span><span class=\"p\">:<\/span>   <span class=\"nx\">bucketName<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u4efb\u610f<\/span>\r\n        <span class=\"na\">S3Region<\/span><span class=\"p\">:<\/span>   <span class=\"dl\">'<\/span><span class=\"s1\">ap-northeast-1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808<\/span>\r\n        <span class=\"na\">DbTable<\/span><span class=\"p\">:<\/span>    <span class=\"nx\">tableName<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808<\/span>\r\n        <span class=\"na\">DbRegion<\/span><span class=\"p\">:<\/span>   <span class=\"dl\">'<\/span><span class=\"s1\">ap-northeast-1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\">\/\/ \u5fc5\u9808<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"nx\">Restore<\/span><span class=\"p\">(<\/span><span class=\"nx\">config<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c1\">\/\/ \u5b9f\u884c<\/span>\r\n<span class=\"nx\">execRestore<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">test1<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">newTest1<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5728\u4ee5\u4e0b\u5217\u8868\u4e2d\u6267\u884c\u6062\u590d\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>node restore.js\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u7531\u4e8e\u6709\u4e00\u4e2a\u5e0c\u671b\u6279\u91cf\u5c06DynamoDB\u4e2d\u7684\u5927\u91cf\u8868\u683c\u6570\u636e\u5907\u4efd\u5230S3\u7684\u9700\u6c42\uff0c\u56e0\u6b64\u6211\u5728\u8fd9\u91cc\u505a\u4e00\u4e2a\u5907\u5fd8\u8bb0\u5f55\u3002 \u987a\u4fbf [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32313","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Node.js\u5907\u4efdDynamoDB\u8868\u6570\u636e\u5230S3 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528node-js\u5907\u4efddynamodb\u8868\u6570\u636e\u5230s3\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Node.js\u5907\u4efdDynamoDB\u8868\u6570\u636e\u5230S3\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u7531\u4e8e\u6709\u4e00\u4e2a\u5e0c\u671b\u6279\u91cf\u5c06DynamoDB\u4e2d\u7684\u5927\u91cf\u8868\u683c\u6570\u636e\u5907\u4efd\u5230S3\u7684\u9700\u6c42\uff0c\u56e0\u6b64\u6211\u5728\u8fd9\u91cc\u505a\u4e00\u4e2a\u5907\u5fd8\u8bb0\u5f55\u3002 \u987a\u4fbf [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528node-js\u5907\u4efddynamodb\u8868\u6570\u636e\u5230s3\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-16T11:03:42+00:00\" \/>\n<meta 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