无服务器框架-在S3中创建一个Lambda和S3并上传一个文件。然后，使用Lambda解压到DynamoDB
无服务器框架-在S3中创建一个Lambda和S3并上传一个文件。然后，使用Lambda解压到DynamoDB
提问于 2020-05-14 23:40:57
这是我第一次使用无服务器框架，我的任务是用无服务器创建一个lambda、s3和dynamodb，然后调用lambda将其从s3转换到dynamo。我正在尝试获得一个由serverless生成的名称到我的S3中，以便在我的Lambda中使用它，但我没有运气。这是我的serveless.yml的样子：
service: fetch-file-and-store-in-s3
frameworkVersion: ">=1.1.0"
custom:
bucket:
Ref: Outputs.AttachmentsBucketName
provider:
name: aws
runtime: nodejs12.x
stage: dev
region: us-east-1
iamRoleStatements:
- Effect: Allow
Action:
- s3:PutObject
- s3:PutObjectAcl
Resource: "arn:aws:s3:::${self:custom.bucket.Ref}/*"
functions:
save:
handler: handler.save
environment:
BUCKET: ${self:custom.bucket.Ref}
resources:
# S3
AttachmentsBucket:
Type: AWS::S3::Bucket
Properties:
# Set the CORS policy
CorsConfiguration:
CorsRules:
-
AllowedOrigins:
- '*'
AllowedHeaders:
- '*'
AllowedMethods:
- GET
- PUT
- POST
- DELETE
- HEAD
MaxAge: 3000
# Print out the name of the bucket that is created
Outputs:
AttachmentsBucketName:
Value:
Ref: AttachmentsBucket下面是它创建s3存储桶的部分
Resources:
# S3
AttachmentsBucket:
Type: AWS::S3::Bucket
Properties:
# Set the CORS policy
CorsConfiguration:
CorsRules:
- AllowedOrigins:
- '*'
- AllowedHeaders:
- '*'
- AllowedMethods:
- GET
- PUT
- POST
- DELETE
- HEAD
- MaxAge: 3000
# Print out the name of the bucket that is created
Outputs:
AttachmentsBucketName:
Value:
Ref: AttachmentsBucket这是我目前得到的错误：
λ sls deploy
Serverless: Packaging service...
Serverless: Excluding development dependencies...
Serverless: Uploading CloudFormation file to S3...
Serverless: Uploading artifacts...
Serverless: Uploading service fetch-file-and-store-in-s3.zip file to S3 (7.32 MB)...
Serverless: Validating template...
Error --------------------------------------------------
Error: The CloudFormation template is invalid: Invalid template property or properties [AttachmentsBucket, Type, Properties]回答 4
Stack Overflow用户
回答已采纳
发布于 2020-05-18 01:07:35
我想出了一个解决方案。因为我是新手，而且这是我的第一个项目，一开始我对术语不是很熟悉。我所做的就是在这里给我的存储桶命名：
Resources:
Bucket:
Type: AWS::S3::Bucket
Properties:
BucketName: ${self:custom.bucket} # Getting the name of table I defined under custom in serverless.yml
# Make Bucket publicly accessable
MyBucketPolicy:
Type: AWS::S3::BucketPolicy
Properties:
Bucket: !Ref Bucket
PolicyDocument:
Statement:
- Effect: Allow
Principal: '*' # public access to access the bucket files
Action: s3:GetObject
Resource: 'arn:aws:s3:::${self:custom.bucket}/*'然后，为了使用deploy上传文件，我找到了一个名为serverless-s3bucket-sync的插件，并将其添加到自定义属性和文件夹下的文件位置：
custom:
bucket: mybucketuniquename #unique global name it will create for the bucket
s3-sync:
- folder: images
bucket: ${self:custom.bucket}并添加了IamRole：
iamRoleStatements:
#S3 Permissions
- Effect: Allow
Action:
- s3:*
Resource: "arn:aws:s3:::${self:custom.bucket}"Stack Overflow用户
发布于 2020-05-15 02:50:30
缩进有一些问题：
resources:
Resources:
# S3
AttachmentsBucket:
Type: AWS::S3::Bucket
Properties:
# Set the CORS policy
CorsConfiguration:
CorsRules:
- AllowedOrigins:
- '*'
- AllowedHeaders:
- '*'
- AllowedMethods:
- GET
- PUT
- POST
- DELETE
- HEAD
- MaxAge: 3000
# Print out the name of the bucket that is created
Outputs:
AttachmentsBucketName:
Value:
Ref: AttachmentsBucketStack Overflow用户
发布于 2020-05-15 03:11:52
缩进对于serverless.yml文件很重要。在本例中，AttachmentsBucket是一个资源，它应该在Resources下的子部分中有一个制表符空格，然后Type和Properties应该在资源名称：AttachmentsBucket中有一个制表符空格，而在提供的示例中实际上有两个制表符空格。CloudFormation将无法处理此特定资源，因为它无法识别具有正确名称和属性资源。
请参阅更新后的示例：
Resources:
AttachmentsBucket:
Type: AWS::S3::Bucket
Properties:
# Set the CORS policy
CorsConfiguration:
CorsRules:
- AllowedOrigins:
- '*'
- AllowedHeaders:
- '*'
- AllowedMethods:
- GET
- PUT
- POST
- DELETE
- HEAD
- MaxAge: 3000
# Print out the name of the bucket that is created
Outputs:
AttachmentsBucketName:
Value: !Ref AttachmentsBucket页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/61801520
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