DotNet3.1 AWS Lambda
我使用Amazon模板创建了一个使用C# DotNet3.1的AWS Lambda解决方案。
dotnet new serverless.AspNetCoreWebAPI -n MyDotNet.Lambda.Service
这将创建一个Lambda函数，其处理程序为MyDotNet.Lambda.Service::MyDotNet.Lambda.Service.LambdaEntryPoint::FunctionHandlerAsync，还需要一些serverless.template文件和aws-lambda-tools-defaults.json
部署DotNet3.1 AWS Lambda的标准方式
部署的标准方式是安装Amazon.Lambda.Tools
dotnet tool update -g Amazon.Lambda.Tools
然后运行
dotnet lambda deploy-serverless --profile myawsprofile
注意，配置文件是可选的，但我已经在该配置文件下配置了AWS。
这会提示输入CloudFormation堆栈名称（例如：foo）和S3 Bucket（例如：my-bucket），并将其部署到使用自定义配置文件myawsprofile的"真实" AWS。
作为Docker容器运行的LocalStack
到目前为止一切都很好。现在我刚刚发现了https://github.com/localstack/localstack，它是在本地运行AWS平台的好方法，所以我使用docker-compose文件localstack-compose.yml来启动容器。
version: '3.8'
services:
localstack:
container_name: "${LOCALSTACK_DOCKER_NAME-localstack_main}"
image: localstack/localstack-full
network_mode: bridge
ports:
- "4566:4566"
- "4571:4571"
- "${PORT_WEB_UI-8080}:${PORT_WEB_UI-8080}"
environment:
- SERVICES=${SERVICES- }
- DEBUG=${DEBUG- }
- DATA_DIR=${DATA_DIR- }
- PORT_WEB_UI=${PORT_WEB_UI- }
- LAMBDA_EXECUTOR=${LAMBDA_EXECUTOR- }
- KINESIS_ERROR_PROBABILITY=${KINESIS_ERROR_PROBABILITY- }
- DOCKER_HOST=unix:///var/run/docker.sock
- HOST_TMP_FOLDER=${TMPDIR}
volumes:
- "${TMPDIR:-/tmp/localstack}:/tmp/localstack"
- "/var/run/docker.sock:/var/run/docker.sock"
像这样：
docker-compose -f localstack-compose.yml up
它运行在4566端口下
AWS本地模拟器
为了使用LocalStack运行AWS CLI，我安装了包装器https://github.com/localstack/awscli-local，这样我就可以进行一些操作，比如
awslocal s3 ls
如何在本地部署 AWS Lambda？
我太新手了，无法理解我已经跟随的大多数教程。其中一些参考了 Serverless 框架，但我只是使用作为 Docker 容器的 LocalStack。我还安装了 SAM CLI（虽然我还不知道它的作用）。
我尝试使用以下方式将其部署到 LocalStack：
dotnet lambda deploy-serverless --profile default
我认为这应该是等效的，但我无法实现。
Error uploading to MyDotNet.Lambda.Service/AspNetCoreFunction-CodeUri-Or-ImageUri-637509113851513062-637509113886357582.zip in bucket foo: The bucket you are attempting to access must be addressed using the specified endpoint. Please send all future requests to this endpoint
尽管我在本地栈中有一个存储桶
s3://foo，但要找到一个符合我的基本AWS知识水平的示例，实际上非常复杂。是否有任何我错过的说明或如何逐步实现我想要的漂亮链接/教程？谢谢。
更新1（11/3/2021）
我尝试了使用Amazon模板创建的Web API项目进行逐步操作。
https://gitlab.com/sunnyatticsoftware/sandbox/localstack-sandbox/-/tree/master/02-lambda-dotnet-webapi
但是我遇到了问题。步骤： 首先为Lambda执行创建角色。
awslocal iam create-role --role-name lambda-dotnet-webapi-ex --assume-role-policy-document file://trust-policy.json
将策略附加到角色上以授予权限以进行执行。
awslocal iam attach-role-policy --role-name lambda-dotnet-webapi-ex --policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole
创建 Lambda 函数
awslocal lambda create-function --function-name lambda-dotnet-webapi-function --zip-file fileb://function.zip --handler Sample.Lambda.DotNet.WebApi::Sample.Lambda.DotNet.WebApi.LambdaEntryPoint::FunctionHandlerAsync --runtime dotnetcore3.1 --role arn:aws:iam::000000000000:role/lambda-dotnet-webapi-ex
使用base64工具解码日志并调用AWS Lambda
awslocal lambda invoke --function-name lambda-dotnet-webapi-function out --log-type Tail --query 'LogResult' --output text | base64 -d
它返回：
iptables v1.4.21: can't initialize iptables table `nat': iptables who? (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.
info: Microsoft.Hosting.Lifetime[0]
Application started. Press Ctrl+C to shut down.
[Information] Microsoft.Hosting.Lifetime: Application started. Press Ctrl+C to shut down.
[Information] Microsoft.Hosting.Lifetime: Hosting environment: Production
[Information] Microsoft.Hosting.Lifetime: Content root path: /var/task
info: Microsoft.Hosting.Lifetime[0]
Hosting environment: Production
info: Microsoft.Hosting.Lifetime[0]
Content root path: /var/task
START RequestId: a5eb1d2d-d908-15f6-ace3-d4d0e01a0066 Version: $LATEST
Could not load file or assembly 'System.IO.Pipelines, Version=4.0.2.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. The system cannot find the file specified.
: FileNotFoundException
at Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction`2.FunctionHandlerAsync(TREQUEST request, ILambdaContext lambdaContext)
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
at Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction`2.FunctionHandlerAsync(TREQUEST request, ILambdaContext lambdaContext)
at lambda_method(Closure , Stream , Stream , LambdaContextInternal )
END RequestId: a5eb1d2d-d908-15f6-ace3-d4d0e01a0066
REPORT RequestId: a5eb1d2d-d908-15f6-ace3-d4d0e01a0066 Init Duration: 2305.87 ms Duration: 33.29 ms Billed Duration: 100 ms Memory Size: 1536 MB Max Memory Used: 0 MB
Starting daemons...
ImportError: No module named site
有人有可行的示例吗？
更新2 有趣的是，我已经尝试了在真正的AWS（使用不同的AWS凭据配置文件）中进行测试，我仍然会收到错误消息，但是这次错误不同。
创建角色
aws iam create-role --role-name lambda-dotnet-webapi-ex --assume-role-policy-document file://trust-policy.json --profile diegosasw
列出角色
aws iam list-roles --profile diegosasw
附加策略
aws iam attach-role-policy --role-name lambda-dotnet-webapi-ex
--policy-arn arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole --profile diegosasw
创建 lambda
aws lambda create-function --function-name lambda-dotnet-webap
i-function --zip-file fileb://function.zip --handler Sample.Lambda.DotNet.WebApi::Sample.Lambda.DotNet.WebApi.LambdaEntryPoint::FunctionHa
ndlerAsync --runtime dotnetcore3.1 --role arn:aws:iam::308309238958:role/lambda-dotnet-webapi-ex --profile diegosasw
调用
aws lambda invoke --function-name lambda-dotnet-webapi-function --profile diegosasw out --log-type Tail --query 'LogResult' --output text | base64 -d
它返回
START RequestId: 7d77489f-869b-4e4d-87a0-ac800d71eb2d Version: $LATEST
warn: Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction[0]
Request does not contain domain name information but is derived from APIGatewayProxyFunction.
[Warning] Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction: Request does not contain domain name information but is derived from APIGatewayProxyFunction.
Object reference not set to an instance of an object.: NullReferenceException
at Amazon.Lambda.AspNetCoreServer.APIGatewayProxyFunction.MarshallRequest(InvokeFeatures features, APIGatewayProxyRequest apiGatewayRequest, ILambdaContext lambdaContext)
at Amazon.Lambda.AspNetCoreServer.AbstractAspNetCoreFunction`2.FunctionHandlerAsync(TREQUEST request, ILambdaContext lambdaContext)
at lambda_method(Closure , Stream , Stream , LambdaContextInternal )
END RequestId: 7d77489f-869b-4e4d-87a0-ac800d71eb2d
REPORT RequestId: 7d77489f-869b-4e4d-87a0-ac800d71eb2d Duration: 755.06 ms Billed Duration: 756 ms Memory Size: 128 MB Max Memory Used: 87 MB Init Duration: 462.09 ms
dotnet lambda ....在这里是最简单和最好的解决方案！也感谢其他的建议，但最后一个真是太棒了。 - Learning AWS and PostgreSQLdonet lambda命令是否允许我们将其发布到localstack？感觉上好像只能将其发布到实际的AWS。 - Learning AWS and PostgreSQL