public override void Unleash()
{
var random = new Random();
var ec2Factory = new Ec2Factory(_settings.AwsAccessKey, _settings.AwsSecretKey, _settings.ServiceUrl, _logger);
_logger.Log(string.Format("Looking for instances in {0} with tag {1}={2}", _settings.ServiceUrl, _settings.Tagkey, _settings.TagValue));
List<Reservation> instances;
try
{
instances = ec2Factory.ListInstancesByTag(_settings.Tagkey, _settings.TagValue);
}
catch (Exception ex)
{
_logger.Log("ERROR: " + ex.Message);
return;
}
if (instances.Count == 0)
{
_logger.Log("No instances found");
}
else
{
_logger.Log(string.Format("Found {0} candidate instance(s) for chaos!", instances.Count));
var victimIndex = random.Next(0, instances.Count);
var instanceId = instances[victimIndex].RunningInstance[0].InstanceId;
_logger.Log(string.Format("Randomly chosen instance {0} ({1}) as the chaos victim.", instanceId, instances[victimIndex].RunningInstance[0].PublicDnsName));
_logger.Log(string.Format("Terminating {0}...", instanceId));
ec2Factory.TerminateInstance(instanceId);
_logger.Log(string.Format("{0} terminated", instanceId));
}
}
public void MyTestInitialize()
{
var appConfig = ConfigurationManager.AppSettings;
ec2Factory = new Ec2Factory(appConfig["AWSAccessKey"], appConfig["AWSSecretKey"], "ec2.eu-west-1.amazonaws.com", null);
}