/// <summary>
/// Gets cluster instances AWS arns
/// </summary>
/// <returns></returns>
private async Task <List <string> > GetAwsClusterInstancesArns()
{
string awsRegion = context.AppSettings.SettingsConfig.AwsRegion;
string awsCluster = context.AppSettings.SettingsConfig.AwsClusterName;
AmazonECSClient ecs = new AmazonECSClient(Amazon.RegionEndpoint.GetBySystemName(awsRegion));
ecsModel.ListContainerInstancesRequest clusterRequest = new ecsModel.ListContainerInstancesRequest();
clusterRequest.Cluster = awsCluster;
var items = await ecs.ListContainerInstancesAsync(clusterRequest);
return(items.ContainerInstanceArns);
}