{"id":207284,"date":"2025-07-08T09:42:50","date_gmt":"2025-07-08T01:42:50","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207284\/"},"modified":"2025-07-08T09:42:50","modified_gmt":"2025-07-08T01:42:50","slug":"%e5%85%b7%e6%9c%89%e9%bb%98%e8%ae%a4-lambdarole-%e7%9a%84-dynamo-updateitem-accessdeniedexception","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207284\/","title":{"rendered":"\u5177\u6709\u9ed8\u8ba4 LambdaRole \u7684 Dynamo UpdateItem AccessDeniedException"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u5177\u6709\u9ed8\u8ba4 LambdaRole \u7684 Dynamo UpdateItem AccessDeniedException<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-21 13:30:39<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5c0f\u4f19\u4f34\u4eec\u5bf9Golang\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5177\u6709\u9ed8\u8ba4 LambdaRole \u7684 Dynamo UpdateItem AccessDeniedException\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u5f88\u96be\u627e\u5230\u6b63\u786e\u7684\u89d2\u8272\u6765\u5728\u6211\u7684 golang lambda \u5904\u7406\u7a0b\u5e8f\u4e2d\u6267\u884c dynamo updateitem\u3002<\/p>\n<p>\u6211\u5df2\u4f7f\u7528\u65e0\u670d\u52a1\u5668\u6846\u67b6\u548c\u4ee5\u4e0b\u914d\u7f6e\u90e8\u7f72\u4e86\u8be5\u51fd\u6570\uff1a<\/p>\n<pre>provider:\n  name: aws\n  runtime: go1.x\n  stage: ${opt:stage, 'dev'}\n  environment: ${file(.\/env\/config.${self:provider.stage}.yml)}\n  iamrolestatements: # todo: create special roles and restrict access per lambda\n    - effect: allow\n      action:\n        - dynamodb:describetable\n        - dynamodb:query\n        - dynamodb:scan\n        - dynamodb:getitem\n        - dynamodb:putitem\n        - dynamodb:updateitem\n        - dynamodb:deleteitem\n      resource:\n        - \"fn::getatt\": [ mytable, arn ]\n\nresources:\n  resources:\n    mytable:\n      type: 'aws::dynamodb::table'\n      properties:\n        tablename: mytable-${opt:stage, 'dev'}\n        attributedefinitions:\n          - attributename: userid\n            attributetype: s\n        keyschema:\n          - attributename: userid\n            keytype: hash\n        provisionedthroughput:\n          readcapacityunits: 1\n          writecapacityunits: 1\n\nfunctions:\n  myfunc:\n    handler: bin\/myfunc\n    events:\n      - http:\n          path: myfunc\n          method: post\n          authorizer: app-auth\n          cors: true<\/pre>\n<p>\u5904\u7406\u7a0b\u5e8f\u4f7f\u7528 golang aws-sdk \u521b\u5efa\u4f1a\u8bdd\u5e76\u5728\u8868\u4e0a\u8c03\u7528 updateitem\uff1a<\/p>\n<pre>sess, err := session.NewSession()\n    svc := dynamodb.New(sess)\n    input := &amp;dynamodb.UpdateItemInput{\n        ...\n    }\n    _, err = svc.UpdateItem(input)<\/pre>\n<p>\u8fd9\u4f1a\u5f15\u53d1\u5f02\u5e38\uff1a<\/p>\n<p><code>accessdeniedexception\uff1a\u7528\u6237\uff1aarn:aws:sts::{acct}:assumed-role\/myservice-stage-us-east-1-lambdarole\/myservice-stage-myfunc<\/code><\/p>\n<p><code>user: arn:aws:sts::{acct}:assumed-role\/myservice-stage-us-east-1-lambdarole<\/code> \u662f\u5177\u6709\u6b63\u786e\u6743\u9650\u7684\u89d2\u8272\uff1a<\/p>\n<p>\u6211\u4e0d\u786e\u5b9a\u7528\u6237\u7684 <code>\/myservice-stage-myfunc<\/code> \u90e8\u5206\u5c5e\u4e8e\u4f8b\u5916\u60c5\u51b5\uff0c\u56e0\u4e3a iam \u63a7\u5236\u53f0\u4e2d\u4e0d\u5b58\u5728\u6b64\u7c7b\u5185\u5bb9\u3002<\/p>\n<p>\u6211\u662f\u5426\u7f3a\u5c11\u67d0\u79cd\u914d\u7f6e\u6b65\u9aa4\u3002\u636e\u6211\u6240\u77e5\uff0cserverless.yaml \u4e2d\u7684 iam \u6743\u9650\u8bbe\u7f6e\u5e94\u9002\u7528\u4e8e\u6240\u6709\u529f\u80fd\u3002\u4f46\u662f\uff0c\u4f7f\u7528 go-aws-sdk \u65f6\u5047\u5b9a\u7684\u89d2\u8272\u4f3c\u4e4e\u662f\u9519\u8bef\u7684\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>dynamodb \u5177\u6709\u7ecf\u5e38\u9700\u8981\u8bbf\u95ee\u7684\u5b50\u8d44\u6e90\u3002\u4e3a\u4e86\u786e\u4fdd\u60a8\u4e5f\u89e3\u51b3\u8fd9\u4e9b\u5b50\u9879\u76ee\uff0c\u6211\u5efa\u8bae\u5728\u8d44\u6e90\u672b\u5c3e\u6dfb\u52a0\u901a\u914d\u7b26 <code>*<\/code>\u3002\u4e3a\u6b64\uff0c\u6211\u66f4\u559c\u6b22\u4f7f\u7528 <code>serverless-pseudo-parameters<\/code> \u63d2\u4ef6\uff08\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>serverless plugin install --name serverless-pseudo-parameters<\/code> \u5feb\u901f\u5b89\u88c5\u5b83\uff09\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u6765\u66f4\u6e05\u6670\u5730\u63cf\u8ff0\u8d44\u6e90\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>Resource:\n        - arn:aws:dynamodb:#{AWS::Region}:#{AWS::AccountId}:table\/myTable-${opt:stage, 'dev'}*<\/pre>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5177\u6709\u9ed8\u8ba4 LambdaRole \u7684 Dynamo UpdateItem AccessDeniedException\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207284","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207284"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207284\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}