public override async Task <bool> ProcessMessageAsync(CloudFormationRequest message, ILambdaContext context)
{
Log.LogInformation("Starting StackCreated strategy");
return(await Task.Run(() => true));
//send sqs to start lambda.
}
public async Task OnCFTEvent(CloudFormationRequest request, ILambdaContext context)
{
var response = new CloudFormationResponse();
if (!Enum.TryParse <CFTEvent>(request.RequestType, out var eventType))
{
Log.LogInformation($"Skipping CFT Event {request.RequestType} - no handler found.");
await response.CompleteCloudFormationResponse(true, request, context);
}
else
{
var success = await CFTStrategies[eventType].ProcessMessageAsync(request, context);
await response.CompleteCloudFormationResponse(success, request, context);
}
await Task.Run(() =>
{
Log.LogInformation($"CFT Event: {request}");
});
}
public async Task <CloudFormationResponse> CompleteCloudFormationResponse(bool success, CloudFormationRequest request, ILambdaContext context)
{
Log.LogInformation("Generating cloud formation response...");
var responseBody = new CloudFormationResponse
{
Status = success ? "SUCCESS" : "FAILED",
Reason = "See the details in CloudWatch Log Stream: " + context.LogStreamName,
PhysicalResourceId = request.StackId,
RequestId = request.RequestId,
LogicalResourceId = request.LogicalResourceId,
Data = null
};
Log.LogInformation("Sending response...");
try
{
var client = new HttpClient();
var json = new StringContent(JsonConvert.SerializeObject(responseBody));
json.Headers.Remove("Content-Type");
var postResponse = await client.PutAsync(request.ResponseURL, json);
var content = await postResponse.Content.ReadAsStringAsync();
Log.LogInformation("Response: " + postResponse.ToJsonString() + content);
postResponse.EnsureSuccessStatusCode();
}
catch (Exception ex)
{
Log.LogError($"ERROR: {ex.ToJsonString()}");
responseBody.Status = "FAILED";
responseBody.Data = ex;
}
return(responseBody);
}
public async Task OnCFTEvent(CloudFormationRequest request, ILambdaContext context)
{
await new CFTLambdaProxy().OnCFTEvent(request, context);
}
public abstract Task <bool> ProcessMessageAsync(CloudFormationRequest message, ILambdaContext context);
