{"id":45581,"date":"2024-01-13T03:54:40","date_gmt":"2023-04-25T19:19:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45581-2\/"},"modified":"2024-05-04T18:09:53","modified_gmt":"2024-05-04T10:09:53","slug":"45581-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45581-2\/","title":{"rendered":""},"content":{"rendered":"

Rust\u3067\u30b5\u30fc\u30d0\u30ec\u30b9<\/h1>\n

re:Invent2018\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3066\u3001Rust\u3092\u4f7f\u7528\u3057\u305fAWS Lambda\u306e\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u30b5\u30fc\u30d0\u30ec\u30b9\u3067Rust\u3092\u6271\u3063\u3066\u307f\u305f\u3044\u3068\u3044\u3046\u65b9\u306e\u305f\u3081\u306b\u3001Custom Runtime\u306e\u52d5\u304b\u3057\u65b9\u304b\u3089DB\u64cd\u4f5c\u307e\u3067\u3092\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

[\u521d\u7d1a\u7de8] Rust\u3092Lambda\u3067\u52d5\u304b\u3059<\/h1>\n

Custom Runtime\u3092\u5229\u7528\u3057\u3066\u3001\u5b9f\u969b\u306bLambda\u3092\u52d5\u304b\u3057\u3066\u307f\u307e\u3059\u3002\u624b\u9806\u3092\u4e00\u3064\u4e00\u3064\u8a18\u8f09\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3057\u305f\u304c\u3001\u3059\u3067\u306b\u7d20\u6674\u3089\u3057\u3044\u8a18\u4e8b\u304c\u4e0a\u304c\u3063\u3066\u3044\u305f\u305f\u3081\u30ea\u30f3\u30af\u3092\u8cbc\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u305a\u306f\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002Rust\u3092\u521d\u3081\u3066\u4f7f\u3046\u65b9\u306f\u3001\u4ee5\u4e0b\u30ea\u30f3\u30af\u3092\u53c2\u8003\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u6e08\u307e\u305b\u3066\u304f\u3060\u3055\u3044\u3002cargo run\u3067Rust\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u8d77\u52d5\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u76ee\u6a19\u3067\u3059\u3002<\/p>\n

Rust\u306e\u958b\u767a\u74b0\u5883\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/p>\n

\u74b0\u5883\u69cb\u7bc9\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001Lambda\u3092\u52d5\u304b\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\u30dd\u30a4\u30f3\u30c8\u306f<\/p>\n

    \n
  1. \n
      Lambda\u3067\u8d77\u52d5\u3059\u308b\u305f\u3081\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u74b0\u5883\u3092\u7528\u610f\u3059\u308b<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          Lambda\u3067\u5b9f\u884c\u3055\u308c\u308b\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3068\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u8a18\u8ff0\u3059\u308b<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \u30d3\u30eb\u30c9\u30e2\u30b8\u30e5\u30fc\u30eb\u3092Zip\u306b\u56fa\u3081\u3066AWS\u30b3\u30f3\u30bd\u30fc\u30eb\u304b\u3089\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b<\/ol>\n

            \u3067\u3059\u3002\u3053\u3061\u3089\u3082\u3084\u308a\u65b9\u3092\u4e01\u5be7\u306b\u8a18\u8f09\u3057\u3066\u3042\u308b\u8a18\u4e8b\u304c\u65e2\u306b\u3042\u308a\u307e\u3057\u305f\u306e\u3067\u3001\u624b\u9806\u306b\u5f93\u3063\u3066\u9032\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

            AWS Lambda\u306eCustom Runtime\u3067Rust\u3092\u5b9f\u884c\u3057\u3066\u307f\u305f #reinvent<\/p>\n

            [\u4e2d\u7d1a\u7de8] DynamoDB\u3067CRUD<\/h1>\n

            DynamoDB\u3092\u4f7f\u7528\u3057\u3066\u3001Rust\u304b\u3089\u7c21\u5358\u306aCRUD\u64cd\u4f5c\u3092\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

            Lambda\u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\u3067\u306f\u3001Rust\u306e\u30c7\u30fc\u30bf\u7ba1\u7406\u306bRDB\u3092\u4f7f\u7528\u3059\u308b\u30b1\u30fc\u30b9\u304c\u591a\u304b\u3063\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u306e\u6700\u5f8c\u306b\u8a18\u8f09\u3057\u3066\u3044\u308b\u901a\u308a\u3001Lambda\u306b\u3088\u308b\u958b\u767a\u304c\u30e1\u30a4\u30f3\u306b\u306a\u308b\u3068\u3001\u4eca\u5f8c\u306fRust\u3067\u3082DynamoDB\u3092\u4f7f\u3044\u305f\u304f\u306a\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u304c\u5f90\u3005\u306b\u5897\u3048\u3066\u304f\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n

            CRUD\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u305f\u3081\u3001\u307e\u305a\u306fDynamoDB\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b3\u30f3\u30bd\u30fc\u30eb\u304b\u3089\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002DynamoDB\u306e\u30da\u30fc\u30b8\u304b\u3089\u3001\u30c6\u30fc\u30d6\u30eb\u540d\u3068\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30ad\u30fc\u306e\u307f\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n

            \"FireShot<\/div>\n

            \u6b21\u306b\u3001DynamoDB\u306e\u64cd\u4f5c\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

            DynamoDB\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306b\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3057\u3066rusoto\u3092\u4f7f\u7528\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306fDynamoDB\u3060\u3051\u3067\u306f\u306a\u304f\u3001Rust\u304b\u3089\u4ed6\u306eAWS\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u306b\u3082\u4f7f\u7528\u3067\u304d\u308b\u512a\u308c\u3082\u306e\u3067\u3059\u3002<\/p>\n

            \u524d\u8ff0\u306ecargo new\u3067\u4f5c\u6210\u3057\u305fRust\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u542b\u307e\u308c\u3066\u3044\u308bCargo.toml\u3092\u958b\u304d\u3001rust_core\u3068rust_dynamodb\u3092dependencies\u306b\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n

            [package]\r\nname = \"my_lambda_function\"\r\nversion = \"0.1.0\"\r\nauthors = [\"\u5c0f\u6c60\u99ff\u5e73 <xxx@gmail.com>\"]\r\nedition = \"2018\"\r\n\r\n[dependencies]\r\nlambda_runtime = \"^0.1\"\r\nserde = \"^1\"\r\nserde_json = \"^1\"\r\nserde_derive = \"^1\"\r\nlog = \"^0.4\"\r\nsimple_logger = \"^1\"\r\nrusoto_core = {version = \"0.35.0\", default_features = false, features=[\"rustls\"]}\r\nrusoto_dynamodb = {version = \"0.35.0\", default_features = false, features=[\"rustls\"]}\r\n\r\n[[bin]]\r\nname = \"bootstrap\"\r\npath = \"src\/main.rs\"\r\n<\/code><\/pre>\n
            \u7d9a\u3044\u3066main.rs\u3092\u958b\u304d\u3001rusoto\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u5ba3\u8a00\u3057\u3066\u3044\u304d\u307e\u3059\u3002
            \n\u203b…\u306f\u8a18\u8f09\u7701\u7565\u3002<\/p>\n
            ...<\/span>\r\nextern<\/span> crate<\/span> rusoto_core<\/span>;<\/span>\r\nextern<\/span> crate<\/span> rusoto_dynamodb<\/span>;<\/span>\r\n...<\/span>\r\nuse<\/span> rusoto_core<\/span>::<\/span>Region<\/span>;<\/span>\r\n\/\/ \u4eca\u56de\u7d39\u4ecb\u3059\u308b\u2460\u30a2\u30a4\u30c6\u30e0\u767b\u9332(PutItemInput) \u2461\u30a2\u30a4\u30c6\u30e0\u53d6\u5f97(GetItemInput) \u2462\u30a2\u30a4\u30c6\u30e0\u524a\u9664(DeleteItemInput)\u3067\u4f7f\u7528\u3059\u308bstruct\u306e\u307f\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059<\/span>\r\nuse<\/span> rusoto_dynamodb<\/span>::{<\/span>DynamoDb<\/span>,<\/span> DynamoDbClient<\/span>,<\/span> GetItemInput<\/span>,<\/span> PutItemInput<\/span>,<\/span> DeleteItemInput<\/span>,<\/span> AttributeValue<\/span>};<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
            my_handler()\u3067DynamoDB\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u30a2\u30a4\u30c6\u30e0\u306e\u767b\u9332\u304b\u3089\u3067\u3059\u3002HashMap\u3092\u5ba3\u8a00\u3057\u3066\u3001\u767b\u9332\u3059\u308bkey-value\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n
            ...<\/span>\r\nfn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    ...<\/span>\r\n    \/\/ key-value\u3067DynamoDB\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3044\u307e\u3059<\/span>\r\n    let<\/span> mut<\/span> create_key<\/span>:<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> AttributeValue<\/span>><\/span> =<\/span> HashMap<\/span>::<\/span>new<\/span>();<\/span>\r\n    \/\/ HashMap\u306ekey\u306b\u306f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30ad\u30fc\u3067\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092<\/span>\r\n    \/\/ value\u306b\u306fLambda\u30b3\u30fc\u30eb\u6642\u306b\u53d7\u3051\u6e21\u3055\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u5f15\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059<\/span>\r\n    create_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"name\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.first_name<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n...<\/span>\r\n<\/code><\/pre>\n
            Item\u306e\u767b\u9332\u306b\u306fPutItemInput\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u540d\u3068HashMap\u3092\u6307\u5b9a\u3057\u3066\u3001PutItemInput\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n
            fn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    ...<\/span>\r\n    let<\/span> create_serials<\/span> =<\/span> PutItemInput<\/span> {<\/span>\r\n        item<\/span>:<\/span> create_key<\/span>,<\/span>\r\n        table_name<\/span>:<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"rust_serverless_sample\"<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    };<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            DynamoDbClient\u3092\u5229\u7528\u3057\u3066\u3001client\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u73fe\u5728\u4f7f\u7528\u3057\u3066\u3044\u308bAWS\u30ea\u30fc\u30b8\u30e7\u30f3\u3092\u5f15\u6570\u3067\u6e21\u3057\u307e\u3057\u3087\u3046\u3002\u672c\u8a18\u4e8b\u3067\u306f\u30d0\u30fc\u30b8\u30cb\u30a2\u30ea\u30fc\u30b8\u30e7\u30f3us-east-1\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
            fn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    ...<\/span>\r\n    let<\/span> client<\/span> =<\/span> DynamoDbClient<\/span>::<\/span>new<\/span>(<\/span>Region<\/span>::<\/span>UsEast1<\/span>);<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u5b9f\u969b\u306bDynamoDB\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3044\u307e\u3059\u3002put_item\u306e\u5f15\u6570\u306b\u4e0a\u8a18\u3067\u4f5c\u6210\u3057\u305fquery_serials\u3092\u6e21\u3057\u3066sync\u3059\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307e\u308c\u305f\u7d50\u679c\u306e\u6210\u5426\u304c\u5224\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n
            fn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span> {<\/span>\r\n    ...<\/span>\r\n    match<\/span> client<\/span>.put_item<\/span>(<\/span>create_serials<\/span>)<\/span>.sync<\/span>()<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>result<\/span>)<\/span> =><\/span> {<\/span>\r\n            match<\/span> result<\/span>.attributes<\/span> {<\/span>\r\n                Some<\/span>(<\/span>_<\/span>)<\/span> =><\/span> println!<\/span>(<\/span>\"some\"<\/span>),<\/span>\r\n                None<\/span> =><\/span> println!<\/span>(<\/span>\"none\"<\/span>),<\/span>\r\n            }<\/span>\r\n        },<\/span>\r\n        Err<\/span>(<\/span>error<\/span>)<\/span> =><\/span> {<\/span>\r\n            panic!<\/span>(<\/span>\"Error: {:?}\"<\/span>,<\/span> error<\/span>);<\/span>\r\n        },<\/span>\r\n    };<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u6700\u5f8c\u306b\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u3068\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f55\u304b\u8fd4\u3057\u3066\u3042\u3052\u307e\u3057\u3087\u3046\u3002Success\u3068\u3044\u3046\u6587\u5b57\u5217\u3092\u5358\u306b\u8fd4\u3059\u3060\u3051\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6210\u306b\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
            fn<\/span> my_handler<\/span>()<\/span> {<\/span>\r\n    ...<\/span>\r\n    Ok<\/span>(<\/span>CustomOutput<\/span> {<\/span>\r\n        message<\/span>:<\/span> format!<\/span>(<\/span>\"Success\"<\/span>),<\/span>\r\n    })<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u3092\u5168\u3066\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306amain.rs\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002<\/p>\n
            #[macro_use]<\/span>\r\nextern<\/span> crate<\/span> lambda_runtime<\/span> as<\/span> lambda<\/span>;<\/span>\r\n#[macro_use]<\/span>\r\nextern<\/span> crate<\/span> serde_derive<\/span>;<\/span>\r\n#[macro_use]<\/span>\r\nextern<\/span> crate<\/span> log<\/span>;<\/span>\r\nextern<\/span> crate<\/span> simple_logger<\/span>;<\/span>\r\n\r\nextern<\/span> crate<\/span> rusoto_core<\/span>;<\/span>\r\nextern<\/span> crate<\/span> rusoto_dynamodb<\/span>;<\/span>\r\n\r\nuse<\/span> lambda<\/span>::<\/span>error<\/span>::<\/span>HandlerError<\/span>;<\/span>\r\n\r\nuse<\/span> std<\/span>::<\/span>error<\/span>::<\/span>Error<\/span>;<\/span>\r\n\r\nuse<\/span> rusoto_core<\/span>::<\/span>Region<\/span>;<\/span>\r\nuse<\/span> rusoto_dynamodb<\/span>::{<\/span>DynamoDb<\/span>,<\/span> DynamoDbClient<\/span>,<\/span> ListTablesInput<\/span>,<\/span> GetItemInput<\/span>,<\/span> PutItemInput<\/span>,<\/span> DeleteItemInput<\/span>,<\/span> AttributeValue<\/span>};<\/span>\r\nuse<\/span> std<\/span>::<\/span>collections<\/span>::<\/span>HashMap<\/span>;<\/span>\r\n\r\n#[derive(Deserialize,<\/span> Clone)]<\/span>\r\nstruct<\/span> CustomEvent<\/span> {<\/span>\r\n    name<\/span>:<\/span> String<\/span>,<\/span>\r\n}<\/span>\r\n\r\n#[derive(Serialize,<\/span> Clone)]<\/span>\r\nstruct<\/span> CustomOutput<\/span> {<\/span>\r\n    message<\/span>:<\/span> String<\/span>,<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> main<\/span>()<\/span> -><\/span> Result<\/span><<\/span>(),<\/span> Box<\/span><<\/span>dyn<\/span> Error<\/span>>><\/span> {<\/span>\r\n    simple_logger<\/span>::<\/span>init_with_level<\/span>(<\/span>log<\/span>::<\/span>Level<\/span>::<\/span>Info<\/span>)<\/span> ?<\/span>;<\/span>\r\n    lambda!<\/span>(<\/span>my_handler<\/span>);<\/span>\r\n\r\n    Ok<\/span>(())<\/span>\r\n}<\/span>\r\n\r\nfn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    if<\/span> e<\/span>.name<\/span> ==<\/span> \"\"<\/span> {<\/span>\r\n        error!<\/span>(<\/span>\"Empty name in request {}\"<\/span>,<\/span> c<\/span>.aws_request_id<\/span>);<\/span>\r\n        return<\/span> Err<\/span>(<\/span>c<\/span>.new_error<\/span>(<\/span>\"Empty name\"<\/span>));<\/span>\r\n    }<\/span>\r\n\r\n    let<\/span> mut<\/span> create_key<\/span>:<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> AttributeValue<\/span>><\/span> =<\/span> HashMap<\/span>::<\/span>new<\/span>();<\/span>\r\n    create_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"name\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.name<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n\r\n    let<\/span> create_serials<\/span> =<\/span> PutItemInput<\/span> {<\/span>\r\n        item<\/span>:<\/span> create_key<\/span>,<\/span>\r\n        table_name<\/span>:<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"rust_serverless_sample\"<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> client<\/span> =<\/span> DynamoDbClient<\/span>::<\/span>new<\/span>(<\/span>Region<\/span>::<\/span>UsEast1<\/span>);<\/span>\r\n\r\n    match<\/span> client<\/span>.put_item<\/span>(<\/span>create_serials<\/span>)<\/span>.sync<\/span>()<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>result<\/span>)<\/span> =><\/span> {<\/span>\r\n            match<\/span> result<\/span>.attributes<\/span> {<\/span>\r\n                Some<\/span>(<\/span>_<\/span>)<\/span> =><\/span> println!<\/span>(<\/span>\"some\"<\/span>),<\/span>\r\n                None<\/span> =><\/span> println!<\/span>(<\/span>\"none\"<\/span>),<\/span>\r\n            }<\/span>\r\n        },<\/span>\r\n        Err<\/span>(<\/span>error<\/span>)<\/span> =><\/span> {<\/span>\r\n            panic!<\/span>(<\/span>\"Error: {:?}\"<\/span>,<\/span> error<\/span>);<\/span>\r\n        },<\/span>\r\n    };<\/span>\r\n\r\n    Ok<\/span>(<\/span>CustomOutput<\/span> {<\/span>\r\n        message<\/span>:<\/span> format!<\/span>(<\/span>\"Success\"<\/span>),<\/span>\r\n    })<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u3053\u3053\u3067\u3001\u4f5c\u6210\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092Zip\u306b\u56fa\u3081\u3066\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
            \"FireShot<\/div>\n
            DynamoDB\u3067\u30c7\u30fc\u30bf\u306e\u767b\u9332\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
            \"FireShot<\/div>\n
            \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30ad\u30fc\u4ee5\u5916\u306e\u30c7\u30fc\u30bf\u3082\u767b\u9332\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bAttributeValue\u3092\u8ffd\u52a0\u3057\u3066\u3042\u3052\u308c\u3070OK\u3067\u3059\u3002<\/p>\n
            fn<\/span> my_handler<\/span>()<\/span> {<\/span>\r\n    ...<\/span>\r\n    let<\/span> mut<\/span> create_key<\/span>:<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> AttributeValue<\/span>><\/span> =<\/span> HashMap<\/span>::<\/span>new<\/span>();<\/span>\r\n    create_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"name\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.name<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n    \/\/ \u8ffd\u52a0\u3067key-value\u3092\u6307\u5b9a<\/span>\r\n    create_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"address\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.address<\/span>),<\/span> \/\/ \"meguro\".to_string()<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n    ...<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            DymamoDB\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u5c5e\u6027\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
            \"FireShot<\/div>\n
            \u7d9a\u3044\u3066\u3001\u767b\u9332\u3057\u305f\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
            fn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    if<\/span> e<\/span>.name<\/span> ==<\/span> \"\"<\/span> {<\/span>\r\n        error!<\/span>(<\/span>\"Empty name in request {}\"<\/span>,<\/span> c<\/span>.aws_request_id<\/span>);<\/span>\r\n        return<\/span> Err<\/span>(<\/span>c<\/span>.new_error<\/span>(<\/span>\"Empty name\"<\/span>));<\/span>\r\n    }<\/span>\r\n\r\n    let<\/span> mut<\/span> query_key<\/span>:<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> AttributeValue<\/span>><\/span> =<\/span> HashMap<\/span>::<\/span>new<\/span>();<\/span>\r\n    query_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"name\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.name<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n\r\n    let<\/span> query_serials<\/span> =<\/span> GetItemInput<\/span> {<\/span>\r\n        key<\/span>:<\/span> query_key<\/span>,<\/span>\r\n        table_name<\/span>:<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"rust_serverless_sample\"<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> client<\/span> =<\/span> DynamoDbClient<\/span>::<\/span>new<\/span>(<\/span>Region<\/span>::<\/span>UsEast1<\/span>);<\/span>\r\n\r\n    match<\/span> client<\/span>.get_item<\/span>(<\/span>query_serials<\/span>)<\/span>.sync<\/span>()<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>result<\/span>)<\/span> =><\/span> {<\/span>\r\n            match<\/span> result<\/span>.item<\/span> {<\/span>\r\n                Some<\/span>(<\/span>_<\/span>)<\/span> =><\/span> print!<\/span>(<\/span>\"Match!\"<\/span>),<\/span>\r\n                None<\/span> =><\/span> print!<\/span>(<\/span>\"UnMatch!\"<\/span>)<\/span>\r\n            }<\/span>\r\n\r\n        },<\/span>\r\n        Err<\/span>(<\/span>error<\/span>)<\/span> =><\/span> {<\/span>\r\n            panic!<\/span>(<\/span>\"Error: {:?}\"<\/span>,<\/span> error<\/span>);<\/span>\r\n        },<\/span>\r\n    };<\/span>\r\n\r\n    Ok<\/span>(<\/span>CustomOutput<\/span> {<\/span>\r\n        message<\/span>:<\/span> format!<\/span>(<\/span>\"Success\"<\/span>),<\/span>\r\n    })<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u30c6\u30b9\u30c8\u30a4\u30d9\u30f3\u30c8\u306b\u9069\u5f53\u306a\u30ad\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u5b9f\u884c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002DynamoDB\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306a\u3089\u300cMatch\u300d\u3001\u4fdd\u5b58\u3055\u308c\u3066\u3044\u306a\u3044\u3082\u306e\u306a\u3089\u300cUnmatch\u300d\u304c\u30ed\u30b0\u306b\u6b8b\u308a\u3001\u30c7\u30fc\u30bf\u53d6\u5f97\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
            \"FireShot<\/div>\n
            \u6700\u5f8c\u306b\u3001delete\u51e6\u7406\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u4e0b\u8a18\u3092Zip\u306b\u56fa\u3081\u305fLambda\u3092\u5b9f\u884c\u3057\u305f\u3042\u3068DynamoDB\u3092\u8997\u304f\u3068\u3001\u6307\u5b9a\u3057\u305f\u30ad\u30fc\u306e\u30a2\u30a4\u30c6\u30e0\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
            ...<\/span>\r\nfn<\/span> my_handler<\/span>(<\/span>e<\/span>:<\/span> CustomEvent<\/span>,<\/span> c<\/span>:<\/span> lambda<\/span>::<\/span>Context<\/span>)<\/span> -><\/span> Result<\/span><<\/span>CustomOutput<\/span>,<\/span> HandlerError<\/span>><\/span> {<\/span>\r\n    if<\/span> e<\/span>.name<\/span> ==<\/span> \"\"<\/span> {<\/span>\r\n        error!<\/span>(<\/span>\"Empty name in request {}\"<\/span>,<\/span> c<\/span>.aws_request_id<\/span>);<\/span>\r\n        return<\/span> Err<\/span>(<\/span>c<\/span>.new_error<\/span>(<\/span>\"Empty name\"<\/span>));<\/span>\r\n    }<\/span>\r\n\r\n    let<\/span> mut<\/span> delete_key<\/span>:<\/span> HashMap<\/span><<\/span>String<\/span>,<\/span> AttributeValue<\/span>><\/span> =<\/span> HashMap<\/span>::<\/span>new<\/span>();<\/span>\r\n    delete_key<\/span>.insert<\/span>(<\/span>String<\/span>::<\/span>from<\/span>(<\/span>\"name\"<\/span>),<\/span> AttributeValue<\/span> {<\/span>\r\n        s<\/span>:<\/span> Some<\/span>(<\/span>e<\/span>.name<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    });<\/span>\r\n\r\n    let<\/span> delete_serials<\/span> =<\/span> DeleteItemInput<\/span> {<\/span>\r\n        key<\/span>:<\/span> delete_key<\/span>,<\/span>\r\n        table_name<\/span>:<\/span> String<\/span>::<\/span>from<\/span>(<\/span>\"rust_serverless_sample\"<\/span>),<\/span>\r\n        ..<\/span>Default<\/span>::<\/span>default<\/span>()<\/span>\r\n    };<\/span>\r\n\r\n    let<\/span> client<\/span> =<\/span> DynamoDbClient<\/span>::<\/span>new<\/span>(<\/span>Region<\/span>::<\/span>UsEast1<\/span>);<\/span>\r\n\r\n    match<\/span> client<\/span>.delete_item<\/span>(<\/span>delete_serials<\/span>)<\/span>.sync<\/span>()<\/span> {<\/span>\r\n        Ok<\/span>(<\/span>result<\/span>)<\/span> =><\/span> {<\/span>\r\n            match<\/span> result<\/span>.attributes<\/span> {<\/span>\r\n                Some<\/span>(<\/span>_<\/span>)<\/span> =><\/span> print!<\/span>(<\/span>\"some\"<\/span>),<\/span>\r\n                None<\/span> =><\/span> print!<\/span>(<\/span>\"none\"<\/span>),<\/span>\r\n            }<\/span>\r\n\r\n        },<\/span>\r\n        Err<\/span>(<\/span>error<\/span>)<\/span> =><\/span> {<\/span>\r\n            panic!<\/span>(<\/span>\"Error: {:?}\"<\/span>,<\/span> error<\/span>);<\/span>\r\n        },<\/span>\r\n    };<\/span>\r\n\r\n    Ok<\/span>(<\/span>CustomOutput<\/span> {<\/span>\r\n        message<\/span>:<\/span> format!<\/span>(<\/span>\"Success\"<\/span>),<\/span>\r\n    })<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u3053\u306e\u3088\u3046\u306b\u3001DynamoDB\u3078\u306e\u64cd\u4f5c\u304c\u53ef\u80fd\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u65e2\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002
            \nAPI\u5168\u91cf\u306f\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u5148\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u540c\u3058\u8981\u9818\u3067\u8a66\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
            \u30d5\u30a3\u30eb\u30bf\u3055\u308c\u305f\u4e00\u89a7\u60c5\u5831\u306e\u53d6\u5f97\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306a\u3069\u306e\u4e0a\u7d1a\u7de8\u306f\u5225\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3057\u3066\u3044\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
            \u4eca\u5f8c\u306e\u671f\u5f85<\/h1>\n
            Rust\u3067Lambda Layers\u3092\u53d6\u308a\u4e0a\u3052\u3088\u3046\u3068\u601d\u3044\u307e\u3057\u305f\u304c\u30012018\/12\/13\u6642\u70b9\u3067\u306f\u30ec\u30a4\u30e4\u90e8\u5206\u306eCustom Runtime\u306f\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u3002Lambda Layers\u3092\u4f7f\u7528\u3059\u308b\u3068\u540c\u3058\u8a18\u8ff0\u3092\u8907\u6570\u306eLambda\u3067\u8a18\u8f09\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308b\u305f\u3081\u4fbf\u5229\u3067\u3059\u304c\u3001Rust\u5bfe\u5fdc\u3092\u5f85\u3064\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n
            \u307e\u305f\u3001AuroraServerless\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3082\u671f\u5f85\u3067\u3059\u3002\u73fe\u6642\u70b9\u3067\u306fVPC\u3092\u4f5c\u6210\u3057\u3066\u305d\u306e\u4e2d\u306bAuroraServerless\u3092\u69cb\u7bc9\u3057\u3066\u3044\u304d\u307e\u3059\u304c\u3001Lambda\u3092VPC\u5185\u306b\u914d\u7f6e\u3059\u308b\u3068\u8d77\u52d5\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u3042\u307e\u308a\u304a\u52e7\u3081\u3067\u304d\u306a\u3044\u69cb\u6210\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002VPC\u5916\u3067\u3082\u5229\u7528\u3067\u304d\u308bRDS\u30d9\u30fc\u30b9\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3067\u304d\u308b\u3068\u3001\u4eca\u5f8c\u30b5\u30fc\u30d0\u30ec\u30b9Rust\u3082\u666e\u53ca\u3057\u3066\u3044\u304f\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n
            AWS\u304b\u3089\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u8a18\u4e8b\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u306e\u3067\u3001\u5f15\u304d\u7d9a\u304d\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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