private static async Task <bool> DeleteLambda(FunctionConfiguration lambda, AWSEnvironment environment)
{
try
{
var awsConfiguration = new AmazonLambdaConfig()
{
RegionEndpoint = RegionEndpoint.GetBySystemName(environment.Region)
};
var awsCredentials = new BasicAWSCredentials(environment.AccessKey, environment.SecretKey);
using (var awsClient = new AmazonLambdaClient(awsCredentials, awsConfiguration))
{
var response = await awsClient.DeleteFunctionAsync(new DeleteFunctionRequest
{
FunctionName = lambda.FunctionName,
Qualifier = lambda.Version //ARN
});
Console.WriteLine($"Lamba {lambda.FunctionName} deleted.");
return(response.HttpStatusCode == HttpStatusCode.NoContent); //204
};
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine($"Error: {ex.Message}");
Console.ForegroundColor = ConsoleColor.White;
}
return(false);
}
/// <summary>
/// Clean up old versions from each Lambda leaving only the $LATEST version
/// </summary>
/// <param name="environment">AWS Environment details</param>
public static async void CleanUpLambdaOlderVersions(AWSEnvironment environment)
{
Console.WriteLine("Process started...");
var lambdas = await GetLambdaVersions(FunctionVersion.ALL, environment);
var lambdasToDelete = lambdas.Where(x => x.Version != Constants.LambdaLastVersion).ToList();
Console.WriteLine($"Lambda functions count: {lambdasToDelete.Count}");
if (lambdasToDelete.Count > 0)
{
foreach (var lambda in lambdasToDelete)
{
await DeleteLambda(lambda, environment);
}
}
else
{
Console.WriteLine("No lambda functions found!!");
}
Console.WriteLine("Process completed");
}
private static async Task <List <FunctionConfiguration> > GetLambdaVersions(FunctionVersion functionVersion, AWSEnvironment environment)
{
var versionNumber = functionVersion != null ? Constants.LambdaAll : Constants.LambdaLastVersion;
Console.WriteLine($"Reading lambda function versions: {versionNumber}");
var result = new List <FunctionConfiguration>();
var awsConfiguration = new AmazonLambdaConfig()
{
RegionEndpoint = RegionEndpoint.GetBySystemName(environment.Region)
};
var awsCredentials = new BasicAWSCredentials(environment.AccessKey, environment.SecretKey);
string marker = null;
using (var awsClient = new AmazonLambdaClient(awsCredentials, awsConfiguration))
{
do
{
var response = await awsClient.ListFunctionsAsync(new ListFunctionsRequest
{
Marker = marker,
FunctionVersion = functionVersion
});
//marker =Task<List<ListFunctionsRequest>> response.Result.NextMarker;
marker = response.NextMarker;
result.AddRange(response.Functions.Where(x => x.FunctionName.StartsWith($"{environment.Name.ToString()}")));
} while (!string.IsNullOrEmpty(marker));
return(result);
}
}