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robhughadamsrobhughadams
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Add support for dotnet 6
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‎.gitignore‎

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@@ -18,6 +18,8 @@ base/dump-dotnetcore21/bin
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base/dump-dotnetcore21/obj
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base/dump-dotnetcore31/bin
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base/dump-dotnetcore31/obj
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base/dump-dotnet6/bin
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base/dump-dotnet6/obj
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base/dump-providedal2/bootstrap
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base/dump-providedal2/bootstrap.zip
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dotnetcore2.0/run/MockBootstraps/bin
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examples/dotnetcore3.1/bin
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examples/dotnetcore3.1/obj
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examples/dotnetcore3.1/pub
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examples/dotnet6.0/bin
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examples/dotnet6.0/obj
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examples/dotnet6.0/pub
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examples/java/bin
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examples/java/build
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examples/go1.x/handler

‎README.md‎

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@@ -17,15 +17,22 @@ the [AWS CLI](https://aws.amazon.com/cli/).
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## Contents
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* [Usage](#usage)
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* [Run Examples](#run-examples)
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* [Build Examples](#build-examples)
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* [Using a Dockerfile to build](#using-a-dockerfile-to-build)
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* [Docker tags](#docker-tags)
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* [Verifying images](#verifying-images)
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* [Environment variables](#environment-variables)
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* [Build environment](#build-environment)
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* [Questions](#questions)
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- [docker-lambda](#docker-lambda)
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- [Contents](#contents)
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- [Usage](#usage)
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- [Running Lambda functions](#running-lambda-functions)
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- [Running in "stay-open" API mode](#running-in-stay-open-api-mode)
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- [Developing in "stay-open" mode](#developing-in-stay-open-mode)
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- [Building Lambda functions](#building-lambda-functions)
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- [Run Examples](#run-examples)
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- [Build Examples](#build-examples)
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- [Using a Dockerfile to build](#using-a-dockerfile-to-build)
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- [Node.js module](#nodejs-module)
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- [Docker tags](#docker-tags)
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- [Verifying images](#verifying-images)
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- [Environment variables](#environment-variables)
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- [Build environment](#build-environment)
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- [Questions](#questions)
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---
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- `java8.al2`
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- `java11`
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- `go1.x`
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- `dotnet6`
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- `dotnetcore2.0`
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- `dotnetcore2.1`
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- `dotnetcore3.1`
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- `build-java8.al2`
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- `build-java11`
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- `build-go1.x`
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- `build-dotnet6`
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- `build-dotnetcore2.0`
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- `build-dotnetcore2.1`
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- `build-dotnetcore3.1`

‎base/dump-dotnet6/Function.cs‎

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using System;
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using System.Diagnostics;
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using System.IO;
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using System.Threading.Tasks;
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using Amazon.Lambda.Core;
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using Amazon.S3;
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[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]
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namespace dump_dotnet6
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{
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public class Function
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{
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/// <summary>
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/// Lambda function to dump the container directories /var/lang
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/// and /var/runtime and upload the resulting archive to S3
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/// </summary>
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/// <returns></returns>
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public async Task<string> FunctionHandler(object invokeEvent, ILambdaContext context)
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{
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string filename = "dotnet6.0.tgz";
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string cmd = $"tar -cpzf /tmp/{filename} --numeric-owner --ignore-failed-read /var/runtime /var/lang";
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Console.WriteLine($"invokeEvent: {invokeEvent}");
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Console.WriteLine($"context.RemainingTime: {context.RemainingTime}");
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Console.WriteLine("Parent cmdline:");
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Console.WriteLine(File.ReadAllText("/proc/1/cmdline").Replace("\0", " "));
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Console.WriteLine("Parent env:");
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RunShell("xargs --null --max-args=1 < /proc/1/environ");
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Console.WriteLine("This cmdline:");
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Console.WriteLine(File.ReadAllText($"/proc/{Process.GetCurrentProcess().Id}/cmdline").Replace("\0", " "));
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Console.WriteLine("This env:");
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RunShell($"xargs --null --max-args=1 < /proc/{Process.GetCurrentProcess().Id}/environ");
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Console.WriteLine($"Current working directory: {Directory.GetCurrentDirectory()}");
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RunShell(cmd);
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Console.WriteLine("Zipping done! Uploading...");
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var s3Client = new AmazonS3Client();
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var response = await s3Client.PutObjectAsync(new Amazon.S3.Model.PutObjectRequest
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{
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BucketName = "lambci",
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Key = $"fs/{filename}",
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FilePath = $"/tmp/{filename}",
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CannedACL = S3CannedACL.PublicRead,
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});
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Console.WriteLine("Uploading done!");
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return response.HttpStatusCode.ToString();
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}
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private static Process RunShell(string cmd)
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{
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var escapedArgs = cmd.Replace("\"", "\\\"");
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var process = new Process
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{
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StartInfo = new ProcessStartInfo
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{
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FileName = "/bin/sh",
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Arguments = $"-c \"{escapedArgs}\"",
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UseShellExecute = false,
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CreateNoWindow = true,
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}
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};
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process.Start();
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process.WaitForExit();
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return process;
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}
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}
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}

‎base/dump-dotnet6/aws-lambda-tools-defaults.json‎

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{
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"configuration": "Release",
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"framework": "net6.0",
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"function-runtime": "dotnet6.0",
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"function-memory-size": 3008,
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"function-timeout": 60,
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"function-handler": "dump_dotnet6::dump_dotnet6.Function::FunctionHandler"
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}

‎base/dump-dotnet6/dump-dotnet6.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net6.0</TargetFramework>
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<RootNamespace>dump_dotnet6</RootNamespace>
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<GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
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<AssemblyName>dump_dotnet6</AssemblyName>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Amazon.Lambda.Core" Version="1.1.0" />
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<PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.7.0" />
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<PackageReference Include="AWSSDK.S3" Version="3.3.108.2" />
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</ItemGroup>
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<ItemGroup>
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<DotNetCliToolReference Include="Amazon.Lambda.Tools" Version="2.2.0" />
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</ItemGroup>
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</Project>

‎base/runtimes.sh‎

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RUNTIMES="provided go1.x nodejs4.3 nodejs6.10 nodejs8.10 python2.7 python3.6 python3.7 ruby2.5 java8 dotnetcore2.0 dotnetcore2.1 provided.al2 nodejs10.x nodejs12.x python3.8 ruby2.7 java8.al2 java11 dotnetcore3.1"
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RUNTIMES="provided go1.x nodejs4.3 nodejs6.10 nodejs8.10 python2.7 python3.6 python3.7 ruby2.5 java8 dotnetcore2.0 dotnetcore2.1 provided.al2 nodejs10.x nodejs12.x python3.8 ruby2.7 java8.al2 java11 dotnetcore3.1 dotnet6.0"

‎base/test-all.sh‎

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docker run --rm -v "$PWD":/var/task lambci/lambda:build-dotnetcore3.1 dotnet publish -c Release -o pub
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docker run --rm -v "$PWD"/pub:/var/task lambci/lambda:dotnetcore3.1 test::test.Function::FunctionHandler '{"some": "event"}'
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cd ${EXAMPLES_DIR}/dotnet6.0
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docker run --rm -v "$PWD":/var/task lambci/lambda:build-dotnet6.0 dotnet publish -c Release -o pub
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docker run --rm -v "$PWD"/pub:/var/task lambci/lambda:dotnet6.0 test::test.Function::FunctionHandler '{"some": "event"}'
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cd ${EXAMPLES_DIR}/go1.x
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docker run --rm -v "$PWD":/go/src/handler lambci/lambda:build-go1.x sh -c 'go mod download && go build handler.go'
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docker run --rm -v "$PWD":/var/task lambci/lambda:go1.x handler '{"Records": []}'

‎dotnet6/build/Dockerfile‎

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FROM lambci/lambda:dotnet6
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FROM lambci/lambda-base-2:build
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# Run: docker run --rm --entrypoint dotnet lambci/lambda:dotnet6 --info
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# Check https://dotnet.microsoft.com/download/dotnet-core/6.0 for versions
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ENV DOTNET_ROOT=/var/lang/bin
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ENV PATH=/root/.dotnet/tools:$DOTNET_ROOT:$PATH \
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LD_LIBRARY_PATH=/var/lang/lib:$LD_LIBRARY_PATH \
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AWS_EXECUTION_ENV=AWS_Lambda_dotnet6 \
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DOTNET_SDK_VERSION=6.0.201 \
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DOTNET_CLI_TELEMETRY_OPTOUT=1 \
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NUGET_XMLDOC_MODE=skip
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COPY --from=0 /var/runtime /var/runtime
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COPY --from=0 /var/lang /var/lang
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COPY --from=0 /var/rapid /var/rapid
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RUN curl -L https://dot.net/v1/dotnet-install.sh | bash -s -- -v $DOTNET_SDK_VERSION -i $DOTNET_ROOT && \
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mkdir /tmp/warmup && \
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cd /tmp/warmup && \
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dotnet new && \
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cd / && \
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rm -rf /tmp/warmup /tmp/NuGetScratch /tmp/.dotnet
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# Add these as a separate layer as they get updated frequently
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RUN pipx install awscli==1.* && \
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pipx install aws-lambda-builders==1.2.0 && \
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pipx install aws-sam-cli==1.15.0 && \
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dotnet tool install --global Amazon.Lambda.Tools --version 4.0.0
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CMD ["dotnet", "build"]

‎dotnet6/run/Dockerfile‎

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FROM lambci/lambda-base
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RUN curl https://lambci.s3.amazonaws.com/fs/dotnet6.tgz | tar -zx -C /opt
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FROM lambci/lambda:provided
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FROM lambci/lambda-base-2
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ENV PATH=/var/lang/bin:$PATH \
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LD_LIBRARY_PATH=/var/lang/lib:$LD_LIBRARY_PATH \
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AWS_EXECUTION_ENV=AWS_Lambda_dotnet6
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COPY --from=0 /opt/* /var/
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COPY --from=1 /var/runtime/init /var/rapid/init
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USER sbx_user1051
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ENTRYPOINT ["/var/rapid/init", "--bootstrap", "/var/runtime/bootstrap", "--enable-msg-logs"]

‎examples/dotnet6.0/Function.cs‎

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// Compile with:
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// docker run --rm -v "$PWD":/var/task lambci/lambda:build-dotnet6.0 dotnet publish -c Release -o pub
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// Run with:
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// docker run --rm -v "$PWD"/pub:/var/task lambci/lambda:dotnet6.0 test::test.Function::FunctionHandler '{"some": "event"}'
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using System;
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using System.Collections;
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using Amazon.Lambda.Core;
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[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]
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namespace test
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{
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public class Function
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{
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public string FunctionHandler(object inputEvent, ILambdaContext context)
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{
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Console.WriteLine($"inputEvent: {inputEvent}");
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Console.WriteLine($"RemainingTime: {context.RemainingTime}");
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foreach (DictionaryEntry kv in Environment.GetEnvironmentVariables())
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{
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Console.WriteLine($"{kv.Key}={kv.Value}");
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}
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return "Hello World!";
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}
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}
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}

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