/// <summary>
/// A simple function that takes a string and does a ToUpper
/// </summary>
/// <param name="input"></param>
/// <param name="context"></param>
/// <returns></returns>
public async Task FunctionHandler(DynamoDBEvent dynamoEvent, ILambdaContext context)
{
var client = new AmazonStepFunctionsClient();
var sfnArn = Environment.GetEnvironmentVariable("STEP_FUNCTION_ARN");
LambdaLogger.Log($"Processing {dynamoEvent.Records.Count()}");
LambdaLogger.Log($"ARN {sfnArn}");
IList <DynamoDBEvent.DynamodbStreamRecord> r = dynamoEvent.Records;
foreach (DynamoDBEvent.DynamodbStreamRecord record in dynamoEvent.Records)
{
if (record.EventName == OperationType.INSERT)
{
var incoming = record.Dynamodb.NewImage.ToDynamoEntity <PurchaseOrder>();
LambdaLogger.Log($"ID {incoming.PurchaseId}");
LambdaLogger.Log($"Color {incoming.ColorName}");
var request = new StartExecutionRequest()
{
Input = JsonSerializer.Serialize(new {
PurchasedInventory = new object[] { incoming }
}),
Name = Guid.NewGuid().ToString(),
StateMachineArn = sfnArn,
};
var resp = await client.StartExecutionAsync(request);
if (resp.HttpStatusCode != System.Net.HttpStatusCode.OK)
{
throw new Exception($"Failed with code {resp.HttpStatusCode}: {JsonSerializer.Serialize(resp.ResponseMetadata)}");
}
}
}
}
static void ExecuteStepFunctionUsingAssumedExistingStateMachineRole()
{
var options = new AWSOptions()
{
Profile = "default",
Region = RegionEndpoint.EUWest2
};
var assumedRoleResponse = ManualAssume(options).ConfigureAwait(false).GetAwaiter().GetResult();
var assumedCredentials = assumedRoleResponse.Credentials;
var amazonStepFunctionsConfig = new AmazonStepFunctionsConfig {
RegionEndpoint = RegionEndpoint.EUWest2
};
using (var amazonStepFunctionsClient = new AmazonStepFunctionsClient(
assumedCredentials.AccessKeyId,
assumedCredentials.SecretAccessKey, amazonStepFunctionsConfig))
{
var state = new State
{
Name = "MyStepFunctions"
};
var jsonData1 = JsonConvert.SerializeObject(state);
var startExecutionRequest = new StartExecutionRequest
{
Input = jsonData1,
Name = $"SchedulingEngine_{Guid.NewGuid().ToString("N")}",
StateMachineArn = "arn:aws:states:eu-west-2:464534050515:stateMachine:StateMachine-z8hrOwmL9CiG"
};
var taskStartExecutionResponse = amazonStepFunctionsClient.StartExecutionAsync(startExecutionRequest).ConfigureAwait(false).GetAwaiter().GetResult();
}
Console.ReadLine();
}
private async Task <StartExecutionResponse> StartWorkflowInstanceAsync()
{
StartExecutionResponse status = null;
try
{
LambdaLogger.Log("1. Lambda start1");
List <Quote> quotes = GetQuotesAsPerStage(2, 13);//2 RSM, 13 Submitted,
LambdaLogger.Log("1. Lambda start2");
foreach (var item in quotes)
{
//Check if any Promotion is submitted
//LambdaLogger.Log("1. Lambda start3"+ Directory.GetCurrentDirectory() + @"\iam.json");
//_CredentialProfileStoreChain = new CredentialProfileStoreChain( );//@"/iam.json"
//LambdaLogger.Log("Profile Location="+_CredentialProfileStoreChain.ProfilesLocation);
//AWSCredentials awsCredentials;
//if (_CredentialProfileStoreChain.TryGetAWSCredentials("default", out awsCredentials))//local-test-profile
//{
// if (awsCredentials != null)
// {
string inputToStepFunc = "{ \"quoteid\": \"" + item.QuoteID + "\", \"promodesc\" : \"" + item.TPBackground + "\" }";
var aws_access_key_id = Environment.GetEnvironmentVariable("aws_access_key_id");
var aws_secret_access_key = Environment.GetEnvironmentVariable("aws_secret_access_key");
using (AmazonStepFunctionsClient stepfunctions = new AmazonStepFunctionsClient(aws_access_key_id, aws_secret_access_key, Amazon.RegionEndpoint.USEast1))
{
LambdaLogger.Log("Gocha credentials going to invoke Step function");
string nameunique = item.QuoteID + "_WF";//+"_" + DateTime.Now.ToString("ddMMyyyyHHmmssfff");
StartExecutionRequest newRequest = new StartExecutionRequest {
StateMachineArn = "arn:aws:states:us-east-1:494875521123:stateMachine:ApprovalWorkflow", Input = inputToStepFunc, Name = nameunique
};
LambdaLogger.Log("Step Func object is ready to be invoked.");
status = await stepfunctions.StartExecutionAsync(newRequest);
LambdaLogger.Log("Step Func invoke done" + status.ToString());
}
//}
//else
// LambdaLogger.Log("Null AWS Credentilas found.");
//}
LambdaLogger.Log("Workflow is created for Quote id = " + item.QuoteID);
}
}
catch (Exception ex)
{
LambdaLogger.Log("Error" + ex.ToString());
throw ex;
}
return(status);
}
public async Task <NumberPlateTrigger> FunctionHandler(S3Event evnt, ILambdaContext context)
{
var s3Event = evnt.Records?[0].S3;
context.Logger.LogLine("EVENT Received: " + JsonConvert.SerializeObject(s3Event));
if (regExNumberPlate == null)
{
context.Logger.LogLine("regExNumberPlate is not yet populated. Calling getNumberPlateFromSecretsManager()...");
regExNumberPlate = await getNumberPlateFromSecretsManager(context);
context.Logger.LogLine("regExNumberPlate is " + regExNumberPlate);
}
NumberPlateTrigger result = new NumberPlateTrigger
{
bucket = s3Event.Bucket.Name,
key = s3Event.Object.Key,
contentType = "",
contentLength = s3Event.Object.Size,
charge = int.Parse(Environment.GetEnvironmentVariable("TollgateCharge")),
numberPlate = new NumberPlate()
{
numberPlateRegEx = this.regExNumberPlate,
detected = false
}
};
AWSXRayRecorder recorder = AWSXRayRecorder.Instance;
recorder.BeginSubsegment("TollGantry::Detect Number Plate in Captured Image");
recorder.AddMetadata("bucket", s3Event.Bucket.Name);
recorder.AddMetadata("key", s3Event.Object.Key);
recorder.AddMetadata("regex", this.regExNumberPlate);
//
// TODO: Call Rekognition to detect text in the captured image
//
recorder.EndSubsegment();
//
// Kick off the step function
//
context.Logger.LogLine("Starting the state machine");
IAmazonStepFunctions stepFunctionsClient = new AmazonStepFunctionsClient();
await stepFunctionsClient.StartExecutionAsync(new StartExecutionRequest()
{
StateMachineArn = Environment.GetEnvironmentVariable("NumberPlateProcessStateMachine"), Input = JsonConvert.SerializeObject(result)
});
context.Logger.LogLine("State machine started");
return(result);
}
private static async Task StartAndMonitorExecution()
{
string executionName = Guid.NewGuid().ToString();
using (var client = new AmazonStepFunctionsClient(RegionEndpoint.SAEast1))
{
// manda executar o Step Function
var payload = new SimpleStepFunctionInput
{
Name = "pirilampo",
Number = _rnd.Next()
};
var request = new StartExecutionRequest
{
Input = JsonConvert.SerializeObject(payload, Formatting.None, _jsonSerializerSettings),
Name = executionName,
StateMachineArn = _stateMachineArn
};
Console.WriteLine("Sending:");
Console.WriteLine(request.Input);
var response = await client.StartExecutionAsync(request).ConfigureAwait(false);
if (response.HttpStatusCode != System.Net.HttpStatusCode.OK)
{
Console.WriteLine($"Err: {response.HttpStatusCode}");
return;
}
// verifica o estado da execução
var requestStatus = new DescribeExecutionRequest
{
ExecutionArn = $"{_executionArn}:{executionName}",
};
while (true)
{
var responseStatus = await client.DescribeExecutionAsync(requestStatus).ConfigureAwait(false);
if (responseStatus.HttpStatusCode == System.Net.HttpStatusCode.OK && responseStatus.Status == ExecutionStatus.SUCCEEDED)
{
dynamic parsed = JsonConvert.DeserializeObject(responseStatus.Output);
Console.WriteLine(JsonConvert.SerializeObject(parsed, Formatting.Indented, _jsonSerializerSettings));
break;
}
Console.WriteLine($"{responseStatus.Status}...");
await Task.Delay(1500).ConfigureAwait(false);
}
}
}
public async Task FunctionHandler(S3Event evnt, ILambdaContext context)
{
var s3Event = evnt.Records?[0].S3;
if (s3Event == null)
{
return;
}
FileInfo fileInfo = new FileInfo {
Bucket = s3Event.Bucket.Name, Key = s3Event.Object.Key
};
string input = JsonConvert.SerializeObject(fileInfo);
StartExecutionResponse response = await functionsClient.StartExecutionAsync(new StartExecutionRequest { Input = input, Name = Guid.NewGuid().ToString("N"), StateMachineArn = "arn:aws:states:us-east-1:518495728486:stateMachine:hackathon-2018-chegg" }).ConfigureAwait(false);
}
public async Task ExecuteAsync(WorkerJobHelper <WorkflowJob> job)
{
using (var stepFunctionClient = new AmazonStepFunctionsClient())
await stepFunctionClient.StartExecutionAsync(
new StartExecutionRequest
{
Input =
new
{
Input = job.JobInput,
NotificationEndpoint = new NotificationEndpoint {
HttpEndpoint = job.JobAssignmentId + "/notifications"
}
}.ToMcmaJson().ToString(),
StateMachineArn = job.Request.GetRequiredContextVariable($"{job.Profile.Name}Id")
});
}
public async Task <string> StartFunction(string stateMachineArn, string input, string name = null)
{
var response = await amazonStepFunctionsClient.StartExecutionAsync(new StartExecutionRequest()
{
StateMachineArn = stateMachineArn,
Input = input,
Name = name
});
switch (response.HttpStatusCode)
{
case HttpStatusCode.Accepted:
case HttpStatusCode.OK:
return(response.ExecutionArn);
default:
return(null);
}
}
internal static async Task ProcessJobAssignmentAsync(WorkflowServiceWorkerRequest @event)
{
var resourceManager = @event.Request.GetAwsV4ResourceManager();
var table = new DynamoDbTable(@event.Request.StageVariables["TableName"]);
var jobAssignmentId = @event.JobAssignmentId;
try
{
// 1. Setting job assignment status to RUNNING
await UpdateJobAssignmentStatusAsync(resourceManager, table, jobAssignmentId, "RUNNING", null);
// 2. Retrieving WorkflowJob
var workflowJob = await RetrieveWorkflowJobAsync(resourceManager, table, jobAssignmentId);
// 3. Retrieve JobProfile
var jobProfile = await RetrieveJobProfileAsync(resourceManager, workflowJob);
// 4. Retrieve job inputParameters
var jobInput = workflowJob.JobInput;
// 5. Check if we support jobProfile and if we have required parameters in jobInput
ValidateJobProfile(jobProfile, jobInput);
// 6. Launch the appropriate workflow
var workflowInput = new
{
Input = jobInput,
NotificationEndpoint = new NotificationEndpoint {
HttpEndpoint = jobAssignmentId + "/notifications"
}
};
var startExecutionRequest = new StartExecutionRequest
{
Input = workflowInput.ToMcmaJson().ToString()
};
switch (jobProfile.Name)
{
case JOB_PROFILE_CONFORM_WORKFLOW:
startExecutionRequest.StateMachineArn = @event.Request.StageVariables["ConformWorkflowId"];
break;
case JOB_PROFILE_AI_WORKFLOW:
startExecutionRequest.StateMachineArn = @event.Request.StageVariables["AiWorkflowId"];
break;
}
var stepFunctionClient = new AmazonStepFunctionsClient();
var startExecutionResponse = await stepFunctionClient.StartExecutionAsync(startExecutionRequest);
// 7. saving the executionArn on the jobAssignment
var jobAssignment = await GetJobAssignmentAsync(table, jobAssignmentId);
//TODO: Additional properties on JobAssignment? How to handle this?
//jobAssignment.WorkflowExecutionId = startExecutionResponse.ExecutionArn;
await PutJobAssignmentAsync(resourceManager, table, jobAssignmentId, jobAssignment);
}
catch (Exception error)
{
Logger.Exception(error);
try
{
await UpdateJobAssignmentStatusAsync(resourceManager, table, jobAssignmentId, "FAILED", error.ToString());
}
catch (Exception innerError)
{
Logger.Exception(innerError);
}
}
}
public async Task Can_be_invoked_from_step_functions_local()
{
// 1. Create the StepFunctions Client
var credentials = new BasicAWSCredentials("not", "used");
var config = new AmazonStepFunctionsConfig
{
ServiceURL = _stepFunctionsServiceUrl.ToString()
};
var client = new AmazonStepFunctionsClient(credentials, config);
// 2. Create step machine with a single task the invokes a lambda function
// The FunctionName contains the lambda to be invoked.
var request = new CreateStateMachineRequest
{
Name = "Foo",
Type = StateMachineType.STANDARD,
Definition = @"{
""Comment"": ""A Hello World example demonstrating various state types of the Amazon States Language"",
""StartAt"": ""Invoke Lambda function"",
""States"": {
""Invoke Lambda function"": {
""Type"": ""Task"",
""Resource"": ""arn:aws:states:::lambda:invoke"",
""Parameters"": {
""FunctionName"": ""arn:aws:lambda:us-east-1:123456789012:function:SimpleLambdaFunction:$LATEST"",
""Payload"": {
""Input.$"": ""$.Payload""
}
},
""End"": true
}
}
}"
};
var createStateMachineResponse = await client.CreateStateMachineAsync(request);
// 3. Create a StepFunction execution.
var startExecutionRequest = new StartExecutionRequest
{
Name = Guid.NewGuid().ToString(),
StateMachineArn = createStateMachineResponse.StateMachineArn,
Input = @"{
""Payload"": {
""Foo"": ""Bar""
}
}"
};
var startExecutionResponse = await client.StartExecutionAsync(startExecutionRequest);
var getExecutionHistoryRequest = new GetExecutionHistoryRequest
{
ExecutionArn = startExecutionResponse.ExecutionArn,
IncludeExecutionData = true,
};
// 4. Poll and wait for the
while (true)
{
var getExecutionHistoryResponse = await client.GetExecutionHistoryAsync(getExecutionHistoryRequest);
var historyEvent = getExecutionHistoryResponse.Events.Last();
if (historyEvent.ExecutionSucceededEventDetails != null)
{
_outputHelper.WriteLine("Execution succeeded");
_outputHelper.WriteLine(historyEvent.ExecutionSucceededEventDetails.Output);
break;
}
if (historyEvent.ExecutionFailedEventDetails != null)
{
_outputHelper.WriteLine("Execution failed");
_outputHelper.WriteLine(historyEvent.ExecutionFailedEventDetails.Cause);
break;
}
}
}
public Status ProcessRequest(ResolverRequest request)
{
Status status = new Status();
status.Id = request.Id;
status.ActionId = request.ActionId;
try
{
String cueId = request.CueId;
Config config = JsonTools.Convert <Config>(request.Signal.Cues[cueId].Resolver.Config);
StepFunctionArn arn = new StepFunctionArn(config.Arn);
RegionEndpoint region = RegionEndpoint.GetBySystemName(System.Environment.GetEnvironmentVariable("AWS_REGION"));
if (!String.IsNullOrEmpty(arn.Region))
{
region = RegionEndpoint.GetBySystemName(arn.Region);
}
AmazonStepFunctionsClient client = new AmazonStepFunctionsClient(region); // Set Region
StartExecutionRequest exeRequest = new StartExecutionRequest
{
StateMachineArn = config.Arn,
Input = JsonTools.Serialize(request)
};
if (config.UseDefaultName == false)
{
if (String.IsNullOrWhiteSpace(config.ExecutionName))
{
exeRequest.Name = $"syntinel-{request.Id}-{request.ActionId}";
}
else
{
exeRequest.Name = config.ExecutionName;
}
}
Task <StartExecutionResponse> t = client.StartExecutionAsync(exeRequest);
t.Wait(30000);
StartExecutionResponse response = t.Result;
if (response.HttpStatusCode == System.Net.HttpStatusCode.OK)
{
StepFunctionArn eArn = new StepFunctionArn(response.ExecutionArn);
status.NewStatus = StatusType.SentToResolver;
status.Message = $"Request Sent To Step Function [{eArn.Name}]. Execution Name [{eArn.ExecutionName}].";
}
else
{
status.NewStatus = StatusType.Error;
status.Message = $"Error Sending To Step Function [{arn.Name}]. {response.HttpStatusCode}";
}
}
catch (Exception e)
{
status.NewStatus = StatusType.Error;
status.Message = e.Message;
}
return(status);
}
