// Defines a new lambda resource
public CdkWorkshopStack(Construct parent, string id, IStackProps props = null) : base(parent, id, props)
{
var hello = new Function(this, "HelloHandler", new FunctionProps
{
Runtime = Runtime.NODEJS_10_X,
Code = Code.FromAsset("lambda"),
Handler = "hello.handler"
});
var helloWithCounter = new HitCounter(this, "HelloHitCounter", new HitCounterProps
{
Downstream = hello
});
var gateway = new LambdaRestApi(this, "Endpoint", new LambdaRestApiProps
{
Handler = helloWithCounter.Handler
});
var tv = new TableViewer(this, "ViewerHitCount", new TableViewerProps
{
Title = "Hello Hits",
Table = helloWithCounter.MyTable
});
this.HCViewerUrl = new CfnOutput(this, "TableViewerUrl", new CfnOutputProps
{
Value = gateway.Url
});
this.HCEndpoint = new CfnOutput(this, "GatewayUrl", new CfnOutputProps
{
Value = gateway.Url
});
}
public DotNetLambdaWithApiGetway(Stack scope, string id, DotNetLambdaWithApiGetwayProps props) : base(scope, id)
{
// domain and certificate have been created manually on AWS Console for security purposes
var snsTopic = new Topic(this, "WorkSplitRequest", new TopicProps()
{
TopicName = "work-split-request",
DisplayName = "Work Split Request"
});
snsTopic.AddSubscription(new EmailSubscription("*****@*****.**", new EmailSubscriptionProps()));
var queue = new Queue(this, "QueueProcessor", new QueueProps()
{
RetentionPeriod = Duration.Days(2)
});
snsTopic.AddSubscription(new SqsSubscription(queue));
var dotnetWebApiLambda = new Function(this, "WebLambda", new FunctionProps
{
Runtime = Runtime.DOTNET_CORE_3_1,
Code = props.Code,
Handler = "Web::Web.LambdaEntryPoint::FunctionHandlerAsync"
});
dotnetWebApiLambda.AddEnvironment("Region", scope.Region);
dotnetWebApiLambda.AddEnvironment("SnsTopic", snsTopic.TopicArn);
snsTopic.GrantPublish(dotnetWebApiLambda);
var fullDomain = $"{props.SiteSubDomain}.{props.DomainName}";
var apiGetway = new LambdaRestApi(this, fullDomain, new LambdaRestApiProps()
{
Handler = dotnetWebApiLambda
});
var apiDomain = apiGetway.AddDomainName("customDomain", new DomainNameOptions()
{
DomainName = fullDomain,
Certificate = props.Certificate,
SecurityPolicy = SecurityPolicy.TLS_1_2,
EndpointType = EndpointType.EDGE
});
new ARecord(this, "ApiGateway-ARecord", new ARecordProps()
{
Zone = props.Zone,
RecordName = fullDomain,
Target = RecordTarget.FromAlias(new ApiGateway(apiGetway)),
});
scope.Log($"ApiGateway Url {id}", apiGetway.Url);
scope.Log($"ApiGateway public domain {id}", apiDomain.DomainNameAliasDomainName);
}
protected override RestApi Build(Construct scope)
{
if (_binaryMediaTypes.Any())
{
_props.BinaryMediaTypes = _binaryMediaTypes.ToArray();
}
if (_handler != null)
{
_props.Handler = _handler.GetInstance(scope);
}
var result = new LambdaRestApi(scope, _name, _props);
return(result);
}
internal Example3Stack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
{
var functionHandler = new Function(this, "LambdaHandler", new FunctionProps
{
Runtime = Runtime.DOTNET_CORE_3_1,
Code = Code.FromAsset("./LambdaFunction/bin/Release/netcoreapp3.1/publish"),
Handler = "LambdaFunction::LambdaFunction.Function::Handler",
Tracing = Tracing.ACTIVE
});
var restApi = new LambdaRestApi(this, "TestApi", new LambdaRestApiProps
{
Handler = functionHandler,
RestApiName = "TestApi"
});
}
public CdkMissingLibInfraStack(Construct parent, string id, IStackProps props) : base(parent, id, props)
{
var lambdaFunction = new Function(this, "webapi-function",
new FunctionProps
{
Code = Code.FromAsset(@"C:\Users\joanv\Source\Repos\CdkMissingLib\CdkMissingLib\bin\Debug\netcoreapp2.1"),
Handler = "CdkMissingLib::CdkMissingLib.LambdaEntryPoint::FunctionHandlerAsync",
Runtime = Runtime.DOTNET_CORE_2_1,
Timeout = Duration.Seconds(30),
MemorySize = 128
}
);
var api = new LambdaRestApi(this, "webapi-function-api", new LambdaRestApiProps
{
Handler = lambdaFunction
});
}
public XRayStack(Construct parent, string id) : base(parent, id)
{
var table = new Table(this, "Table", new TableProps()
{
TableName = "MysfitsQuestionsTable",
PartitionKey = new Attribute
{
Name = "QuestionId",
Type = AttributeType.STRING
},
Stream = StreamViewType.NEW_IMAGE
});
var postQuestionLambdaFunctionPolicyStmDDB = new PolicyStatement();
postQuestionLambdaFunctionPolicyStmDDB.AddActions("dynamodb:PutItem");
postQuestionLambdaFunctionPolicyStmDDB.AddResources(table.TableArn);
var LambdaFunctionPolicyStmXRay = new PolicyStatement();
LambdaFunctionPolicyStmXRay.AddActions(
// Allows the Lambda function to interact with X-Ray
"xray:PutTraceSegments",
"xray:PutTelemetryRecords",
"xray:GetSamplingRules",
"xray:GetSamplingTargets",
"xray:GetSamplingStatisticSummaries"
);
LambdaFunctionPolicyStmXRay.AddAllResources();
var mysfitsPostQuestion = new Function(this, "PostQuestionFunction", new FunctionProps
{
Handler = "mysfitsPostQuestion.postQuestion",
Runtime = Runtime.PYTHON_3_6,
Description =
"A microservice Lambda function that receives a new question submitted to the MythicalMysfits website from a user and inserts it into a DynamoDB database table.",
MemorySize = 128,
Code = Code.FromAsset("../../lambda-questions/PostQuestionsService"),
Timeout = Duration.Seconds(30),
InitialPolicy = new[]
{
postQuestionLambdaFunctionPolicyStmDDB,
LambdaFunctionPolicyStmXRay
},
Tracing = Tracing.ACTIVE
});
var topic = new Topic(this, "Topic", new TopicProps
{
DisplayName = "MythicalMysfitsQuestionsTopic",
TopicName = "MythicalMysfitsQuestionsTopic"
});
topic.AddSubscription(new EmailSubscription("REPLACE@EMAIL_ADDRESS"));
var postQuestionLambdaFunctionPolicyStmSNS = new PolicyStatement();
postQuestionLambdaFunctionPolicyStmSNS.AddActions("sns:Publish");
postQuestionLambdaFunctionPolicyStmSNS.AddResources(topic.TopicArn);
var mysfitsProcessQuestionStream = new Function(this, "ProcessQuestionStreamFunction", new FunctionProps
{
Handler = "mysfitsProcessStream.processStream",
Runtime = Runtime.PYTHON_3_6,
Description =
"An AWS Lambda function that will process all new questions posted to mythical mysfits" +
" and notify the site administrator of the question that was asked.",
MemorySize = 128,
Code = Code.FromAsset("../../lambda-questions/ProcessQuestionsStream"),
Timeout = Duration.Seconds(30),
InitialPolicy = new[]
{
postQuestionLambdaFunctionPolicyStmSNS,
LambdaFunctionPolicyStmXRay
},
Tracing = Tracing.ACTIVE,
Environment = new Dictionary <string, string>()
{
{ "SNS_TOPIC_ARN", topic.TopicArn }
},
Events = new IEventSource[]
{
new DynamoEventSource(table, new DynamoEventSourceProps
{
StartingPosition = StartingPosition.TRIM_HORIZON,
BatchSize = 1
})
}
});
var questionsApiRole = new Role(this, "QuestionsApiRole", new RoleProps
{
AssumedBy = new ServicePrincipal("apigateway.amazonaws.com")
});
var apiPolicy = new PolicyStatement();
apiPolicy.AddActions("lambda:InvokeFunction");
apiPolicy.AddResources(mysfitsPostQuestion.FunctionArn);
new Policy(this, "QuestionsApiPolicy", new PolicyProps
{
PolicyName = "questions_api_policy",
Statements = new[]
{
apiPolicy
},
Roles = new IRole[]
{
questionsApiRole
}
});
var questionsIntegration = new LambdaIntegration(mysfitsPostQuestion, new LambdaIntegrationOptions
{
CredentialsRole = questionsApiRole,
IntegrationResponses = new IntegrationResponse[]
{
new IntegrationResponse()
{
StatusCode = "200",
ResponseTemplates = new Dictionary <string, string>
{
{ "application/json", "{\"status\":\"OK\"}" }
}
}
}
});
var api = new LambdaRestApi(this, "APIEndpoint", new LambdaRestApiProps
{
Handler = mysfitsPostQuestion,
RestApiName = "Questions API Service",
DeployOptions = new StageOptions
{
TracingEnabled = true
},
Proxy = false
});
var questionsMethod = api.Root.AddResource("questions");
questionsMethod.AddMethod("POST", questionsIntegration, new MethodOptions
{
MethodResponses = new MethodResponse[]
{
new MethodResponse
{
StatusCode = "200",
ResponseParameters = new Dictionary <string, bool>()
{
{ "method.response.header.Access-Control-Allow-Headers", true },
{ "method.response.header.Access-Control-Allow-Methods", true },
{ "method.response.header.Access-Control-Allow-Origin", true },
}
}
},
AuthorizationType = AuthorizationType.NONE
});
questionsMethod.AddMethod("OPTIONS", new MockIntegration(new IntegrationOptions
{
IntegrationResponses = new IntegrationResponse[]
{
new IntegrationResponse
{
StatusCode = "200",
ResponseParameters = new Dictionary <string, string>
{
{
"method.response.header.Access-Control-Allow-Headers",
"'Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token,X-Amz-User-Agent'"
},
{ "method.response.header.Access-Control-Allow-Origin", "'*'" },
{ "method.response.header.Access-Control-Allow-Credentials", "'false'" },
{ "method.response.header.Access-Control-Allow-Methods", "'OPTIONS,GET,PUT,POST,DELETE'" }
}
}
},
PassthroughBehavior = PassthroughBehavior.NEVER,
RequestTemplates = new Dictionary <string, string>
{
{ "application/json", "{\"statusCode\": 200}" }
}
}),
new MethodOptions
{
MethodResponses = new MethodResponse[]
{
new MethodResponse
{
StatusCode = "200",
ResponseParameters = new Dictionary <string, bool>
{
{ "method.response.header.Access-Control-Allow-Headers", true },
{ "method.response.header.Access-Control-Allow-Methods", true },
{ "method.response.header.Access-Control-Allow-Credentials", true },
{ "method.response.header.Access-Control-Allow-Origin", true }
}
}
}
}
);
}
internal AwsServerlessStack(Construct scope, string id, IStackProps props = null) : base(scope, id, props)
{
// Create IAM Admin Role
var iamRole = new Role(this, "Role", new RoleProps {
RoleName = "LambdaAdminRole",
AssumedBy = new ServicePrincipal("lambda.amazonaws.com"),
ManagedPolicies = new [] { ManagedPolicy.FromManagedPolicyArn(this, "RolePolicy", "arn:aws:iam::aws:policy/AdministratorAccess") }
});
// Create A S3 Bucket
var s3Bucket = new Bucket(this, "demoS3", new BucketProps {
BucketName = "des-inv-app-s3-bckt",
RemovalPolicy = RemovalPolicy.DESTROY,
PublicReadAccess = true,
});
// Create A DynamoDB
var dynamoDBTable = new Table(this, "demoDynamoDB", new TableProps {
TableName = "serverless-inventory-app-dynamodb-table",
PartitionKey = new Attribute {
Name = "Store", Type = AttributeType.STRING
},
SortKey = new Attribute {
Name = "Item", Type = AttributeType.STRING
},
BillingMode = BillingMode.PAY_PER_REQUEST,
Stream = StreamViewType.NEW_AND_OLD_IMAGES,
RemovalPolicy = RemovalPolicy.DESTROY
});
// Create Lambda Function for DynamoDB
var func_DynamoDB = new Function(this, "demoFuncDynamoDB", new FunctionProps {
Runtime = Runtime.DOTNET_CORE_3_1,
FunctionName = "serverless-inventory-app-func-dynamodb",
Code = Code.FromAsset("publish_lambda/func_DynamoDB"),
Handler = "func_DynamoDB::func_DynamoDB.Function::FunctionHandler",
Timeout = Amazon.CDK.Duration.Minutes(3),
Role = iamRole,
//Role = Role.FromRoleArn (this, "fullAccessLambda_DynamoDB", "arn:aws:iam::138340313734:role/Lambda_AdminRole", new FromRoleArnOptions { })
});
// Create Lambda Function for SNS
var func_SNS = new Function(this, "demoFuncSNS", new FunctionProps {
Runtime = Runtime.DOTNET_CORE_3_1,
FunctionName = "serverless-inventory-app-func-sns",
Code = Code.FromAsset("publish_lambda/func_SNS"),
Handler = "func_SNS::func_SNS.Function::FunctionHandler",
Timeout = Amazon.CDK.Duration.Minutes(3),
Role = iamRole,
//Role = Role.FromRoleArn (this, "fullAccessLambda_SNS", "arn:aws:iam::138340313734:role/Lambda_AdminRole", new FromRoleArnOptions { })
});
// Create Lambda Function for RestAPI
var func_GetItems = new Function(this, "demoFuncGetItems", new FunctionProps {
Runtime = Runtime.DOTNET_CORE_3_1,
FunctionName = "serverless-inventory-app-func-getitems",
Code = Code.FromAsset("publish_lambda/func_GetItems"),
Handler = "func_GetItems::func_GetItems.Function::FunctionHandler",
Timeout = Amazon.CDK.Duration.Minutes(3),
Role = iamRole,
//Role = Role.FromRoleArn (this, "fullAccessLambda_GetItems", "arn:aws:iam::138340313734:role/Lambda_AdminRole", new FromRoleArnOptions { })
});
// Create API Gateway for Applications
var apiGateway = new LambdaRestApi(this, "demoAPIGateway", new LambdaRestApiProps {
Handler = func_GetItems,
RestApiName = "serverless-inventory-app-api-inventory",
Proxy = false,
});
var items = apiGateway.Root.AddResource("api");
items.AddMethod("GET");
// Create Lambda Event for Upload Image S3
func_DynamoDB.AddEventSource(new S3EventSource(s3Bucket, new S3EventSourceProps {
Events = new [] { EventType.OBJECT_CREATED }
}));
// Create Lambda Event for Insert DynamoDB
func_SNS.AddEventSource(new DynamoEventSource(dynamoDBTable, new DynamoEventSourceProps {
StartingPosition = StartingPosition.LATEST,
}));
// Create A SNS
var snsTopic = new Topic(this, "demoSNS", new TopicProps {
TopicName = "NoStock",
DisplayName = "Out of Stock Topic",
});
snsTopic.AddSubscription(new EmailSubscription("*****@*****.**", new EmailSubscriptionProps {
}));
}
