public void LambdaGetFunctionConfiguration()
{
#region to-retrieve-a-lambda-functions-event-source-mapping-1481661622799
var response = client.GetFunctionConfiguration(new GetFunctionConfigurationRequest
{
FunctionName = "myFunction",
Qualifier = "1"
});
string codeSha256 = response.CodeSha256;
long codeSize = response.CodeSize;
DeadLetterConfig deadLetterConfig = response.DeadLetterConfig;
string description = response.Description;
EnvironmentResponse environment = response.Environment;
string functionArn = response.FunctionArn;
string functionName = response.FunctionName;
string handler = response.Handler;
string kmsKeyArn = response.KMSKeyArn;
string lastModified = response.LastModified;
int memorySize = response.MemorySize;
string role = response.Role;
string runtime = response.Runtime;
int timeout = response.Timeout;
string version = response.Version;
VpcConfigDetail vpcConfig = response.VpcConfig;
#endregion
}
public void LambdaGetFunctionConfiguration()
{
#region to-get-a-lambda-functions-event-source-mapping-1481661622799
var response = client.GetFunctionConfiguration(new GetFunctionConfigurationRequest
{
FunctionName = "my-function",
Qualifier = "1"
});
string codeSha256 = response.CodeSha256;
long codeSize = response.CodeSize;
string description = response.Description;
EnvironmentResponse environment = response.Environment;
string functionArn = response.FunctionArn;
string functionName = response.FunctionName;
string handler = response.Handler;
string kmsKeyArn = response.KMSKeyArn;
string lastModified = response.LastModified;
string lastUpdateStatus = response.LastUpdateStatus;
int memorySize = response.MemorySize;
string revisionId = response.RevisionId;
string role = response.Role;
string runtime = response.Runtime;
string state = response.State;
int timeout = response.Timeout;
TracingConfigResponse tracingConfig = response.TracingConfig;
string version = response.Version;
#endregion
}
private Amazon.Lambda.Model.GetFunctionConfigurationResponse CallAWSServiceOperation(IAmazonLambda client, Amazon.Lambda.Model.GetFunctionConfigurationRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Lambda", "GetFunctionConfiguration");
try
{
#if DESKTOP
return(client.GetFunctionConfiguration(request));
#elif CORECLR
return(client.GetFunctionConfigurationAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}
public void LambdaFunctionTest()
{
const string HELLO_SCRIPT =
@"console.log('Loading http')
exports.handler = function (request, response) {
response.write(""Hello, world!"");
response.end();
console.log(""Request completed"");
}";
MemoryStream stream = new MemoryStream();
using (ZipArchive archive = new ZipArchive(stream, ZipArchiveMode.Create, true))
{
var entry = archive.CreateEntry("helloworld.js");
using (var entryStream = entry.Open())
using (var writer = new StreamWriter(entryStream))
{
writer.Write(HELLO_SCRIPT);
}
}
stream.Position = 0;
var functionName = "HelloWorld";
bool uploaded = false;
var iamRoleName = "Lambda-" + DateTime.Now.Ticks;
bool iamRoleCreated = false;
try
{
var iamCreateResponse = iamClient.CreateRole(new CreateRoleRequest
{
RoleName = iamRoleName,
AssumeRolePolicyDocument = LAMBDA_ASSUME_ROLE_POLICY
});
var statement = new Statement(Statement.StatementEffect.Allow);
statement.Actions.Add(S3ActionIdentifiers.PutObject);
statement.Actions.Add(S3ActionIdentifiers.GetObject);
statement.Resources.Add(new Resource("*"));
var policy = new Policy();
policy.Statements.Add(statement);
iamClient.PutRolePolicy(new PutRolePolicyRequest
{
RoleName = iamRoleName,
PolicyName = "admin",
PolicyDocument = policy.ToJson()
});
// Wait for the role and policy to propagate
Thread.Sleep(5000);
var uploadRequest = new UploadFunctionRequest
{
FunctionName = functionName,
FunctionZip = stream,
Handler = "helloworld.handler",
Mode = Mode.Event,
Runtime = Runtime.Nodejs,
Role = iamCreateResponse.Role.Arn
};
var uploadResponse = lambdaClient.UploadFunction(uploadRequest);
uploaded = true;
Assert.IsTrue(uploadResponse.CodeSize > 0);
Assert.IsNotNull(uploadResponse.ConfigurationId);
// List all the functions and make sure the newly uploaded function is in the collection
var listResponse = lambdaClient.ListFunctions();
var function = listResponse.Functions.FirstOrDefault(x => x.FunctionName == functionName);
Assert.IsNotNull(function);
Assert.AreEqual("helloworld.handler", function.Handler);
Assert.AreEqual(iamCreateResponse.Role.Arn, function.Role);
// Get the function with a presigned URL to the uploaded code
var getFunctionResponse = lambdaClient.GetFunction(functionName);
Assert.AreEqual("helloworld.handler", getFunctionResponse.Configuration.Handler);
Assert.IsNotNull(getFunctionResponse.Code.Location);
// Get the function's configuration only
var getFunctionConfiguration = lambdaClient.GetFunctionConfiguration(functionName);
Assert.AreEqual("helloworld.handler", getFunctionConfiguration.Handler);
// Call the function
var invokeResponse = lambdaClient.InvokeAsync(functionName);
Assert.AreEqual(invokeResponse.Status, 202); // Status Code Accepted
}
finally
{
if (uploaded)
{
lambdaClient.DeleteFunction(functionName);
}
if (iamRoleCreated)
{
iamClient.DeleteRole(new DeleteRoleRequest {
RoleName = iamRoleName
});
}
}
}
