internal InfraStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
{
var stackProps = props as InfraStackProps;
var imageTag = new CfnParameter(this, "ImageTag", new CfnParameterProps
{
Type = "String",
Default = "latest",
Description = "The tag of the image that needs to be deployed to the lambda"
});
var dockerImageCode = DockerImageCode.FromEcr(Repository.FromRepositoryName(
this,
stackProps.EcrRepoName,
stackProps.EcrRepoName
), new EcrImageCodeProps {
Tag = imageTag.ValueAsString
});
var lambda = new DockerImageFunction(this, "TimesheetApi", new DockerImageFunctionProps
{
FunctionName = "TimesheetApi",
Code = dockerImageCode,
Description = "Timesheet API",
Timeout = Duration.Seconds(10),
});
// DynamoDb Table
var table = new Table(this, "Timesheet", new TableProps
{
TableName = "Timesheet",
PartitionKey = new Attribute
{
Name = "Id",
Type = AttributeType.STRING
},
SortKey = new Attribute
{
Name = "Day",
Type = AttributeType.STRING
}
});
// Assign permission to lambda to access the Timesheet Table
lambda.AddToRolePolicy(new PolicyStatement(new PolicyStatementProps
{
Actions = new[] { "dynamodb:*" },
Resources = new[] { table.TableArn }
}));
}
internal LambdaApiSolutionStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
{
DockerImageCode dockerImageCode =
DockerImageCode.FromImageAsset("src/LambdaApiSolution.DockerFunction/src/LambdaApiSolution.DockerFunction");
DockerImageFunction dockerImageFunction = new DockerImageFunction(this, "LambdaFunction",
new DockerImageFunctionProps()
{
Code = dockerImageCode,
Description = ".NET 5 Docker Lambda function"
});
HttpApi httpApi = new HttpApi(this, "APIGatewayForLambda", new HttpApiProps()
{
ApiName = "APIGatewayForLambda",
CreateDefaultStage = true,
CorsPreflight = new CorsPreflightOptions()
{
AllowMethods = new[] { HttpMethod.GET },
AllowOrigins = new[] { "*" },
MaxAge = Duration.Days(10)
}
});
LambdaProxyIntegration lambdaProxyIntegration = new LambdaProxyIntegration(new LambdaProxyIntegrationProps()
{
Handler = dockerImageFunction,
PayloadFormatVersion = PayloadFormatVersion.VERSION_2_0
});
httpApi.AddRoutes(new AddRoutesOptions()
{
Path = "/casing",
Integration = lambdaProxyIntegration,
Methods = new[] { HttpMethod.POST }
});
string guid = Guid.NewGuid().ToString();
CfnOutput apiUrl = new CfnOutput(this, "APIGatewayURLOutput", new CfnOutputProps()
{
ExportName = $"APIGatewayEndpointURL-{guid}",
Value = httpApi.ApiEndpoint
});
}
internal CdkStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
{
// Sample Json file content
var sampleJson = new Dictionary <string, object> {
{ "key1", "value1" },
{ "key2", "value2" }
};
// File Names for reuse
var stringFile = "string-file.txt";
var jsonFile = "json-file.json";
// S3 Bucket - for the files
var fileshareBucket = new Bucket(this, "filebucketshare", new BucketProps
{
Versioned = true
});
// S3 Bucket Deployment for the sample files for read
new BucketDeployment(this, "DeployFiles", new BucketDeploymentProps()
{
Sources = new[] {
Source.Data(stringFile, "This sample Text!!!"),
Source.JsonData(jsonFile, sampleJson)
},
DestinationBucket = fileshareBucket
});
// Docker file with multi-stage build
DockerImageCode dockerImageCode = DockerImageCode.FromImageAsset("../lambda/src/lambda");
// Lambda from Image
DockerImageFunction dockerImageFunction = new DockerImageFunction(this,
"container-image-lambda-function",
new DockerImageFunctionProps()
{
Code = dockerImageCode,
Description = ".NET 6 Docker Lambda function",
Environment = new Dictionary <string, string>
{
{ "BUCKET_NAME", fileshareBucket.BucketName },
{ "QUERYSTRING_KEY", "key" }
},
Timeout = Duration.Minutes(1)
});
// Lambda Permission
fileshareBucket.GrantReadWrite(dockerImageFunction);
// APIGateway
var apiGateway = new RestApi(this, "cdkApi", new RestApiProps()
{
RestApiName = "CdkApi",
Description = "Lambda Backed API - Get SignedUrl"
});
// APIGateway - Root Method
apiGateway.Root.AddMethod(
"GET",
new LambdaIntegration(dockerImageFunction, new LambdaIntegrationOptions
{
Proxy = true
})
);
// CDK - Output
new CfnOutput(this, "TextFile-Test-URL", new CfnOutputProps
{
Value = apiGateway.Url + "?key=" + stringFile
});
new CfnOutput(this, "JsonFile-Test-URL", new CfnOutputProps
{
Value = apiGateway.Url + "?key=" + jsonFile
});
}
