feat: add dotnet8 support

.gitignore

@@ -416,6 +416,8 @@ tests/integration/testdata/buildcmd/Dotnet6/bin
 tests/integration/testdata/buildcmd/Dotnet6/obj
 tests/integration/testdata/buildcmd/Dotnet7/bin
 tests/integration/testdata/buildcmd/Dotnet7/obj
+tests/integration/testdata/buildcmd/Dotnet8/bin
+tests/integration/testdata/buildcmd/Dotnet8/obj
 tests/integration/testdata/invoke/credential_tests/inprocess/dotnet/STS/obj
 tests/integration/testdata/sync/code/after/dotnet_function/src/HelloWorld/obj/
 tests/integration/testdata/sync/code/before/dotnet_function/src/HelloWorld/obj/

samcli/commands/build/command.py

@@ -57,7 +57,7 @@
   2. Nodejs 20.x, 18.x, 16.x, 14.x, 12.x using NPM\n
   3. Ruby 3.2 using Bundler\n
   4. Java 8, Java 11, Java 17, Java 21 using Gradle and Maven\n
-  5. Dotnet6 using Dotnet CLI (without --use-container)\n
+  5. Dotnet8, Dotnet6 using Dotnet CLI\n
   6. Go 1.x using Go Modules (without --use-container)\n
 """
 

samcli/lib/build/workflow_config.py

@@ -104,6 +104,7 @@ def get_layer_subfolder(build_workflow: str) -> str:
         "java17": "java",
         "java21": "java",
         "dotnet6": "dotnet",
+        "dotnet8": "dotnet",
         # User is responsible for creating subfolder in these workflows
         "makefile": "",
     }
@@ -163,6 +164,7 @@ def get_workflow_config(
         "nodejs20.x": BasicWorkflowSelector(NODEJS_NPM_CONFIG),
         "ruby3.2": BasicWorkflowSelector(RUBY_BUNDLER_CONFIG),
         "dotnet6": BasicWorkflowSelector(DOTNET_CLIPACKAGE_CONFIG),
+        "dotnet8": BasicWorkflowSelector(DOTNET_CLIPACKAGE_CONFIG),
         "go1.x": BasicWorkflowSelector(GO_MOD_CONFIG),
         # When Maven builder exists, add to this list so we can automatically choose a builder based on the supported
         # manifest

samcli/lib/utils/architecture.py

@@ -32,6 +32,7 @@
     "java21": [ARM64, X86_64],
     "go1.x": [X86_64],
     "dotnet6": [ARM64, X86_64],
+    "dotnet8": [ARM64, X86_64],
     "provided": [X86_64],
     "provided.al2": [ARM64, X86_64],
     "provided.al2023": [ARM64, X86_64],

samcli/local/common/runtime_template.py

@@ -40,7 +40,7 @@
     ],
     "dotnet": [
         {
-            "runtimes": ["dotnet6"],
+            "runtimes": ["dotnet8", "dotnet6"],
             "dependency_manager": "cli-package",
             "init_location": os.path.join(_templates, "cookiecutter-aws-sam-hello-dotnet"),
             "build": True,
@@ -99,7 +99,9 @@ def get_local_lambda_images_location(mapping, runtime):
 # Runtimes are ordered in alphabetical fashion with reverse version order (latest versions first)
 INIT_RUNTIMES = [
     # dotnet runtimes in descending order
+    "dotnet8",
     "dotnet6",
+    # go runtimes in descending order
     "go1.x",
     # java runtimes in descending order
     "java21",
@@ -128,6 +130,7 @@ def get_local_lambda_images_location(mapping, runtime):
 
 
 LAMBDA_IMAGES_RUNTIMES_MAP = {
+    "dotnet8": "amazon/dotnet8-base",
     "dotnet6": "amazon/dotnet6-base",
     "go1.x": "amazon/go1.x-base",
     "go (provided.al2)": "amazon/go-provided.al2-base",
@@ -167,6 +170,7 @@ def get_local_lambda_images_location(mapping, runtime):
     "python3.11": "Python36",
     "python3.12": "Python36",
     "dotnet6": "dotnet6",
+    "dotnet8": "dotnet6",
     "go1.x": "Go1",
 }
 

samcli/local/docker/lambda_debug_settings.py

@@ -107,6 +107,10 @@ def get_debug_settings(debug_port, debug_args_list, _container_env_vars, runtime
                 entry + ["/var/runtime/bootstrap"] + debug_args_list,
                 container_env_vars={"_AWS_LAMBDA_DOTNET_DEBUGGING": "1", **_container_env_vars},
             ),
+            Runtime.dotnet8.value: lambda: DebugSettings(
+                entry + ["/var/runtime/bootstrap"] + debug_args_list,
+                container_env_vars={"_AWS_LAMBDA_DOTNET_DEBUGGING": "1", **_container_env_vars},
+            ),
             Runtime.go1x.value: lambda: DebugSettings(
                 entry,
                 container_env_vars={

samcli/local/docker/lambda_image.py

@@ -50,6 +50,7 @@ class Runtime(Enum):
     java21 = "java21"
     go1x = "go1.x"
     dotnet6 = "dotnet6"
+    dotnet8 = "dotnet8"
     provided = "provided"
     providedal2 = "provided.al2"
     providedal2023 = "provided.al2023"

schema/samcli.json

@@ -23,7 +23,7 @@
           "properties": {
             "parameters": {
               "title": "Parameters for the init command",
-              "description": "Available parameters for the init command:\n* no_interactive:\nDisable interactive prompting for init parameters. (fail if any required values are missing)\n* architecture:\nArchitectures for Lambda functions.\n\nArchitectures: ['arm64', 'x86_64']\n* location:\nTemplate location (git, mercurial, http(s), zip, path).\n* runtime:\nLambda runtime for application.\n\nRuntimes: dotnet6, go1.x, java21, java17, java11, java8.al2, java8, nodejs20.x, nodejs18.x, nodejs16.x, provided, provided.al2, provided.al2023, python3.9, python3.8, python3.7, python3.12, python3.11, python3.10, ruby3.2\n* package_type:\nLambda deployment package type.\n\nPackage Types: Zip, Image\n* base_image:\nLambda base image for deploying IMAGE based package type.\n\nBase images: amazon/dotnet6-base, amazon/go-provided.al2-base, amazon/go-provided.al2023-base, amazon/go1.x-base, amazon/java11-base, amazon/java17-base, amazon/java21-base, amazon/java8-base, amazon/java8.al2-base, amazon/nodejs16.x-base, amazon/nodejs18.x-base, amazon/nodejs20.x-base, amazon/python3.10-base, amazon/python3.11-base, amazon/python3.12-base, amazon/python3.7-base, amazon/python3.8-base, amazon/python3.9-base, amazon/ruby3.2-base\n* dependency_manager:\nDependency manager for Lambda runtime.\n\nDependency managers: bundler, cli-package, gradle, maven, mod, npm, pip\n* output_dir:\nDirectory to initialize AWS SAM application.\n* name:\nName of AWS SAM Application.\n* app_template:\nIdentifier of the managed application template to be used. Alternatively, run '$sam init' without options for an interactive workflow.\n* no_input:\nDisable Cookiecutter prompting and accept default values defined in the cookiecutter config.\n* extra_context:\nOverride custom parameters in the template's cookiecutter.json configuration e.g. {\"customParam1\": \"customValue1\", \"customParam2\":\"customValue2\"}\n* tracing:\nEnable AWS X-Ray tracing for application.\n* application_insights:\nEnable CloudWatch Application Insights monitoring for application.\n* structured_logging:\nEnable Structured Logging for application.\n* beta_features:\nEnable/Disable beta features.\n* debug:\nTurn on debug logging to print debug message generated by AWS SAM CLI and display timestamps.\n* save_params:\nSave the parameters provided via the command line to the configuration file.",
+              "description": "Available parameters for the init command:\n* no_interactive:\nDisable interactive prompting for init parameters. (fail if any required values are missing)\n* architecture:\nArchitectures for Lambda functions.\n\nArchitectures: ['arm64', 'x86_64']\n* location:\nTemplate location (git, mercurial, http(s), zip, path).\n* runtime:\nLambda runtime for application.\n\nRuntimes: dotnet8, dotnet6, go1.x, java21, java17, java11, java8.al2, java8, nodejs20.x, nodejs18.x, nodejs16.x, provided, provided.al2, provided.al2023, python3.9, python3.8, python3.7, python3.12, python3.11, python3.10, ruby3.2\n* package_type:\nLambda deployment package type.\n\nPackage Types: Zip, Image\n* base_image:\nLambda base image for deploying IMAGE based package type.\n\nBase images: amazon/dotnet6-base, amazon/go-provided.al2-base, amazon/go-provided.al2023-base, amazon/go1.x-base, amazon/java11-base, amazon/java17-base, amazon/java21-base, amazon/java8-base, amazon/java8.al2-base, amazon/nodejs16.x-base, amazon/nodejs18.x-base, amazon/nodejs20.x-base, amazon/python3.10-base, amazon/python3.11-base, amazon/python3.12-base, amazon/python3.7-base, amazon/python3.8-base, amazon/python3.9-base, amazon/ruby3.2-base\n* dependency_manager:\nDependency manager for Lambda runtime.\n\nDependency managers: bundler, cli-package, gradle, maven, mod, npm, pip\n* output_dir:\nDirectory to initialize AWS SAM application.\n* name:\nName of AWS SAM Application.\n* app_template:\nIdentifier of the managed application template to be used. Alternatively, run '$sam init' without options for an interactive workflow.\n* no_input:\nDisable Cookiecutter prompting and accept default values defined in the cookiecutter config.\n* extra_context:\nOverride custom parameters in the template's cookiecutter.json configuration e.g. {\"customParam1\": \"customValue1\", \"customParam2\":\"customValue2\"}\n* tracing:\nEnable AWS X-Ray tracing for application.\n* application_insights:\nEnable CloudWatch Application Insights monitoring for application.\n* structured_logging:\nEnable Structured Logging for application.\n* beta_features:\nEnable/Disable beta features.\n* debug:\nTurn on debug logging to print debug message generated by AWS SAM CLI and display timestamps.\n* save_params:\nSave the parameters provided via the command line to the configuratio
               "type": "object",
               "properties": {
                 "no_interactive": {
@@ -48,9 +48,10 @@
                 "runtime": {
                   "title": "runtime",
                   "type": "string",
-                  "description": "Lambda runtime for application.\n\nRuntimes: dotnet6, go1.x, java21, java17, java11, java8.al2, java8, nodejs20.x, nodejs18.x, nodejs16.x, provided, provided.al2, provided.al2023, python3.9, python3.8, python3.7, python3.12, python3.11, python3.10, ruby3.2",
+                  "description": "Lambda runtime for application.\n\nRuntimes: dotnet8, dotnet6, go1.x, java21, java17, java11, java8.al2, java8, nodejs20.x, nodejs18.x, nodejs16.x, provided, provided.al2, provided.al2023, python3.9, python3.8, python3.7, python3.12, python3.11, python3.10, 
                   "enum": [
                     "dotnet6",
+                    "dotnet8",
                     "go1.x",
                     "java11",
                     "java17",
@@ -84,9 +85,10 @@
                 "base_image": {
                   "title": "base_image",
                   "type": "string",
-                  "description": "Lambda base image for deploying IMAGE based package type.\n\nBase images: amazon/dotnet6-base, amazon/go-provided.al2-base, amazon/go-provided.al2023-base, amazon/go1.x-base, amazon/java11-base, amazon/java17-base, amazon/java21-base, amazon/java8-base, amazon/java8.al2-base, amazon/nodejs16.x-base, amazon/nodejs18.x-base, amazon/nodejs20.x-base, amazon/python3.10-base, amazon/python3.11-base, amazon/python3.12-base, amazon/python3.7-base, amazon/python3.8-base, amazon/python3.9-base, amazon/ruby3.2-base",
+                  "description": "Lambda base image for deploying IMAGE based package type.\n\nBase images: amazon/dotnet6-base, amazon/dotnet8-base, amazon/go-provided.al2-base, amazon/go-provided.al2023-base, amazon/go1.x-base, amazon/java11-base, amazon/java17-base, amazon/java21-base, amazon/java8-base, amazon/java8.al2-base, amazon/nodejs16.x-base, amazon/nodejs18.x-base, amazon/nodejs20.x-base, amazon/python3.10-base, amazon/python3.11-base, amazon/python3.12-base, amazon/python3.7-base, amazon/python3.8-base, amazon/python3.9-base, amazon/ruby3.2-base",
                   "enum": [
                     "amazon/dotnet6-base",
+                    "amazon/dotnet8-base",
                     "amazon/go-provided.al2-base",
                     "amazon/go-provided.al2023-base",
                     "amazon/go1.x-base",

tests/integration/buildcmd/test_build_cmd.py

@@ -1190,6 +1190,8 @@ class TestBuildCommand_Dotnet_cli_package(BuildIntegBase):
             ("dotnet6", "Dotnet6", None),
             ("dotnet6", "Dotnet6", "debug"),
             ("provided.al2", "Dotnet7", None),
+            ("dotnet8", "Dotnet8", None),
+            ("dotnet8", "Dotnet8", "debug"),
         ]
     )
     def test_dotnet_in_process(self, runtime, code_uri, mode, architecture="x86_64"):
@@ -1260,6 +1262,8 @@ def test_dotnet_in_process(self, runtime, code_uri, mode, architecture="x86_64")
             # force to run tests on arm64 machines may cause dotnet7 test failing
             # because Native AOT Lambda functions require the host and lambda architectures to match
             ("provided.al2", "Dotnet7", None),
+            ("dotnet8", "Dotnet8", None),
+            ("dotnet8", "Dotnet8", "debug"),
         ]
     )
     @skipIf(SKIP_DOCKER_TESTS or SKIP_DOCKER_BUILD, SKIP_DOCKER_MESSAGE)
@@ -1332,6 +1336,8 @@ def test_dotnet_in_container_mount_with_write_explicit(self, runtime, code_uri,
             # force to run tests on arm64 machines may cause dotnet7 test failing
             # because Native AOT Lambda functions require the host and lambda architectures to match
             ("provided.al2", "Dotnet7", None),
+            ("dotnet8", "Dotnet8", None),
+            ("dotnet8", "Dotnet8", "debug"),
         ]
     )
     @skipIf(SKIP_DOCKER_TESTS or SKIP_DOCKER_BUILD, SKIP_DOCKER_MESSAGE)
@@ -1401,7 +1407,7 @@ def test_dotnet_in_container_mount_with_write_interactive(
         )
         self.verify_docker_container_cleanedup(runtime)
 
-    @parameterized.expand([("dotnet6", "Dotnet6")])
+    @parameterized.expand([("dotnet6", "Dotnet6"), ("dotnet8", "Dotnet8")])
     @skipIf(SKIP_DOCKER_TESTS or SKIP_DOCKER_BUILD, SKIP_DOCKER_MESSAGE)
     def test_must_fail_on_container_mount_without_write_interactive(self, runtime, code_uri):
         use_container = True

tests/integration/testdata/buildcmd/Dotnet8/HelloWorld.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.2.0" />
+    <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="2.7.0" />
+    <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="2.2.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+  </ItemGroup>
+
+</Project>

tests/integration/testdata/buildcmd/Dotnet8/Program.cs

@@ -0,0 +1,36 @@
+using Amazon.Lambda.Core;
+using Amazon.Lambda.APIGatewayEvents;
+
+// Assembly attribute to enable the Lambda function's JSON input to be converted into a .NET class.
+[assembly: LambdaSerializer(typeof(Amazon.Lambda.Serialization.Json.JsonSerializer))]
+
+namespace HelloWorld
+{
+
+    public class Function
+    {
+
+        public string FunctionHandler(APIGatewayProxyRequest apigProxyEvent, ILambdaContext context)
+        {
+            return "{'message': 'Hello World'}";
+        }
+    }
+
+    public class FirstFunction
+    {
+
+        public string FunctionHandler(APIGatewayProxyRequest apigProxyEvent, ILambdaContext context)
+        {
+            return "Hello World";
+        }
+    }
+
+    public class SecondFunction
+    {
+
+        public string FunctionHandler(APIGatewayProxyRequest apigProxyEvent, ILambdaContext context)
+        {
+            return "Hello Mars";
+        }
+    }
+}

tests/integration/testdata/buildcmd/Dotnet8/aws-lambda-tools-defaults.json

@@ -0,0 +1,19 @@
+{
+  "Information" : [
+    "This file provides default values for the deployment wizard inside Visual Studio and the AWS Lambda commands added to the .NET Core CLI.",
+    "To learn more about the Lambda commands with the .NET Core CLI execute the following command at the command line in the project root directory.",
+
+    "dotnet lambda help",
+
+    "All the command line options for the Lambda command can be specified in this file."
+  ],
+
+  "profile":"",
+  "region" : "",
+  "configuration": "Release",
+  "framework": "net8.0",
+  "function-runtime":"dotnet8",
+  "function-memory-size" : 256,
+  "function-timeout" : 30,
+  "function-handler" : "HelloWorld::HelloWorld.Function::FunctionHandler"
+}

tests/integration/validate/test_validate_command.py

@@ -132,6 +132,7 @@ def test_lint_supported_runtimes(self):
             "Resources": {},
         }
         supported_runtimes = [
+            "dotnet8",
             "dotnet6",
             "go1.x",
             "java21",

tests/unit/local/docker/test_lambda_container.py

@@ -13,7 +13,7 @@
 from samcli.local.docker.lambda_debug_settings import DebuggingNotSupported
 from samcli.local.docker.lambda_image import RAPID_IMAGE_TAG_PREFIX
 
-RUNTIMES_WITH_ENTRYPOINT = [Runtime.dotnet6.value, Runtime.go1x.value]
+RUNTIMES_WITH_ENTRYPOINT = [Runtime.dotnet6.value, Runtime.dotnet8.value, Runtime.go1x.value]
 
 RUNTIMES_WITH_BOOTSTRAP_ENTRYPOINT = [
     Runtime.nodejs16x.value,
@@ -26,6 +26,7 @@
     Runtime.python311.value,
     Runtime.python312.value,
     Runtime.dotnet6.value,
+    Runtime.dotnet8.value,
 ]
 
 RUNTIMES_WITH_DEBUG_ENV_VARS_ONLY = [

tests/unit/local/docker/test_lambda_debug_settings.py

@@ -12,6 +12,7 @@
     Runtime.java17,
     Runtime.java21,
     Runtime.dotnet6,
+    Runtime.dotnet8,
     Runtime.go1x,
     Runtime.nodejs16x,
     Runtime.nodejs18x,

tests/unit/local/docker/test_lambda_image.py

@@ -33,6 +33,7 @@ class TestRuntime(TestCase):
             ("java21", "java:21-x86_64"),
             ("go1.x", "go:1"),
             ("dotnet6", "dotnet:6-x86_64"),
+            ("dotnet8", "dotnet:8-x86_64"),
             ("provided", "provided:alami"),
             ("provided.al2", "provided:al2-x86_64"),
             ("provided.al2023", "provided:al2023-x86_64"),