{"id":1730,"date":"2021-08-22T11:34:17","date_gmt":"2021-08-22T02:34:17","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=1730"},"modified":"2022-04-03T15:58:21","modified_gmt":"2022-04-03T06:58:21","slug":"%e3%80%90dynamodb%e3%80%91aws-lambda-%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f-dynamodb-%e5%ae%9f%e8%a1%8c%e3%81%ae%e6%ba%96%e5%82%99","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=1730","title":{"rendered":"\u3010DynamoDB\u3011AWS Lambda \u3092\u4f7f\u7528\u3057\u305f DynamoDB \u5b9f\u884c\u306e\u6e96\u5099"},"content":{"rendered":"\n

Lambda\u95a2\u6570\u304b\u3089DynamoDB\u3092\u64cd\u4f5c\u3059\u308b\u70ba\u306e\u6e96\u5099\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

Lambda\u95a2\u6570\u306e\u8aac\u660e\u306f\u884c\u3044\u307e\u305b\u3093\u3002Lambda\u95a2\u6570\u306e\u57fa\u672c\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u524d\u63d0\u3068\u3057\u307e\u3059\u3002
\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306fNode.js\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

Lambda\u95a2\u6570\u4f5c\u6210<\/h1>\n\n\n\n

AWS Lambda \u3078\u4efb\u610f\u306e\u95a2\u6570\u3092\u65b0\u3057\u304f\u4f5c\u6210\u3057\u3066\u4e0b\u3055\u3044\u3002
\u4eca\u56de\u306f “DynamoDbFunction” \u3068\u3044\u3046\u540d\u524d\u306e\u95a2\u6570\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/h1>\n\n\n\n

Lambda\u95a2\u6570\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u306f\u4ee5\u4e0b\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

DynamoDbFunction\n   -- index.js\n   -- DynamoDbSetter.js\n   -- DynamoDbOperator.js<\/code><\/pre><\/div>\n\n\n\n
DynamoDB\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7<\/h1>\n\n\n\n
\u4eca\u56de\u306fAWS SDK\u3092\u4f7f\u7528\u3057\u3066DynamoDB\u3092\u64cd\u4f5c\u3057\u307e\u3059\u3002
Lambda\u95a2\u6570\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3000AWS SDK\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 AWS SDK \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002
\u4eca\u56de\u4f5c\u6210\u3057\u305f DynamoDbSetter \u306f AWS SDK \u3092\u4f7f\u7528\u3057\u3066 DynamoDB \u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u70ba\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u30af\u30e9\u30b9\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
const AWS = require("aws-sdk");\n\nmodule.exports = class DynamoDbSetter {\n\n    constructor() {\n\n        \/\/ dynamoDB\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\n        this.dynamodb = new AWS.DynamoDB();\n\n    }\n\n}<\/code><\/pre><\/div>\n\n\n\n
AWS SDK\u3092\u4f7f\u7528\u3057\u305fDynamoDB\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u306f\u3001Lambda\u95a2\u6570\u3078\u8a2d\u5b9a\u3057\u305f\u5b9f\u884c\u6a29\u9650\u30ed\u30fc\u30eb\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002
\u5f93\u3063\u3066\u3001\u5b9f\u884c\u6a29\u9650\u30ed\u30fc\u30eb\u306bDynamoDB\u3092\u64cd\u4f5c\u3059\u308b\u6a29\u9650\u304c\u306a\u3044\u5834\u5408\u3001\u6a29\u9650\u3092\u4e0e\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n
\u5b9f\u884c\u95a2\u6570<\/h1>\n\n\n\n
index.js\u306fLambda\u3092\u5b9f\u884c\u3059\u308b\u3068\u521d\u3081\u306b\u547c\u3073\u51fa\u3055\u308c\u308bjs\u30d5\u30a1\u30a4\u30eb\u306b\u306a\u308a\u307e\u3059\u3002
\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
const DynamoDbOperator = require('.\/DynamoDbOperator');\n\nexports.handler = async (event, context) => {\n\n    let dynamoDbOperator = new DynamoDbOperator();\n    let result = await dynamoDbOperator.exec(event);\n\n    context.succeed({\n        statusCode: 200,\n        body: result,\n    });\n\n};<\/code><\/pre><\/div>\n\n\n\n
DynamoDB\u3092\u64cd\u4f5c\u3059\u308b\u30af\u30e9\u30b9 DynamoDbOperator \u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u3001\u5b9f\u884c\u30e1\u30bd\u30c3\u30c8\u306e\u547c\u3073\u51fa\u3057\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
DynamoDB\u3078\u306e\u64cd\u4f5c<\/h1>\n\n\n\n
DynamoDbOperator \u306f DynamoDB\u306e\u8a2d\u5b9a\u3092\u884c\u3046DynamoDbSetter\u3092\u7d99\u627f\u3057\u3066\u3044\u307e\u3059\u3002\u6545\u306b\u3001DynamoDB\u306e\u8a2d\u5b9a\u306f\u89aa\u30af\u30e9\u30b9\u306eDynamoDbSetter\u304c\u884c\u3044\u307e\u3059\u3002
\u3053\u306e\u30af\u30e9\u30b9\u306fDynamoDB\u306e\u64cd\u4f5c\u3092\u884c\u3046\u30af\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002
\u4ee5\u5f8c exec \u30e1\u30bd\u30c3\u30c8\u306bDynamoDB\u306e\u64cd\u4f5c\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002
\u4eca\u306f\u5185\u5bb9\u306f\u8a18\u8f09\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n
const DynamoDbSetter = require(".\/DynamoDbSetter");\n\nmodule.exports = class DynamoDbOperator extends DynamoDbSetter{\n\n    async exec(event) {\n\n        \/\/ \u5b9f\u884c\u5185\u5bb9\n    \n        \/\/ \u5b9f\u884c\n\n    }\n}<\/code><\/pre><\/div>\n\n\n\n
\u3053\u308c\u3089\u3092zip\u30d5\u30a1\u30a4\u30eb\u306b\u3057 AWS Lambda \u306e DynamoDbFunction \u3078\u30c7\u30d7\u30ed\u30a4\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n
\u6700\u5f8c\u306b<\/h1>\n\n\n\n
\u4ee5\u964d\u3001DynamoDbOperator \u3092\u4f7f\u7528\u3057\u3066DynamoDB\u306e\u64cd\u4f5c\u3092\u884c\u3044\u307e\u3059\u3002
\u6b21\u56de\u306fDynamoDB\u3078\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u56de<\/span>\n
\u3010DynamoDB\u3011AWS Lambda \u3092\u4f7f\u7528\u3057\u305f DynamoDB \u30c6\u30fc\u30d6\u30eb\u64cd\u4f5c<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Lambda\u95a2\u6570\u304b\u3089DynamoDB\u3092\u64cd\u4f5c\u3059\u308b\u70ba\u306e\u6e96\u5099\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":6,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,19,20],"tags":[],"class_list":["post-1730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aws","category-dynamodb","category-lambda"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/1730","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1730"}],"version-history":[{"count":12,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/1730\/revisions"}],"predecessor-version":[{"id":3418,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/1730\/revisions\/3418"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/6"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1730"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1730"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1730"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}