/// <summary>
/// <para> Returns a full description of the launch configurations given the specified names. </para> <para> If no names are specified, then the
/// full details of all launch configurations are returned. </para>
/// </summary>
///
/// <param name="describeLaunchConfigurationsRequest">Container for the necessary parameters to execute the DescribeLaunchConfigurations service
/// method on AmazonAutoScaling.</param>
///
/// <returns>The response from the DescribeLaunchConfigurations service method, as returned by AmazonAutoScaling.</returns>
///
/// <exception cref="InvalidNextTokenException"/>
public DescribeLaunchConfigurationsResponse DescribeLaunchConfigurations(DescribeLaunchConfigurationsRequest describeLaunchConfigurationsRequest)
{
IRequest <DescribeLaunchConfigurationsRequest> request = new DescribeLaunchConfigurationsRequestMarshaller().Marshall(describeLaunchConfigurationsRequest);
DescribeLaunchConfigurationsResponse response = Invoke <DescribeLaunchConfigurationsRequest, DescribeLaunchConfigurationsResponse> (request, this.signer, DescribeLaunchConfigurationsResponseUnmarshaller.GetInstance());
return(response);
}
public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
{
AmazonAutoScalingConfig config = new AmazonAutoScalingConfig();
config.RegionEndpoint = region;
ConfigureClient(config);
AmazonAutoScalingClient client = new AmazonAutoScalingClient(creds, config);
DescribeLaunchConfigurationsResponse resp = new DescribeLaunchConfigurationsResponse();
do
{
DescribeLaunchConfigurationsRequest req = new DescribeLaunchConfigurationsRequest
{
NextToken = resp.NextToken
,
MaxRecords = maxItems
};
resp = client.DescribeLaunchConfigurations(req);
CheckError(resp.HttpStatusCode, "200");
foreach (var obj in resp.LaunchConfigurations)
{
AddObject(obj);
}
}while (!string.IsNullOrEmpty(resp.NextToken));
}
private static void UnmarshallResult(XmlUnmarshallerContext context, DescribeLaunchConfigurationsResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
{
targetDepth += 2;
}
while (context.ReadAtDepth(originalDepth))
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("LaunchConfigurations/member", targetDepth))
{
var unmarshaller = LaunchConfigurationUnmarshaller.Instance;
var item = unmarshaller.Unmarshall(context);
response.LaunchConfigurations.Add(item);
continue;
}
if (context.TestExpression("NextToken", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.NextToken = unmarshaller.Unmarshall(context);
continue;
}
}
}
return;
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
DescribeLaunchConfigurationsResponse response = new DescribeLaunchConfigurationsResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.IsStartElement)
{
if (context.TestExpression("DescribeLaunchConfigurationsResult", 2))
{
UnmarshallResult(context, response);
continue;
}
if (context.TestExpression("ResponseMetadata", 2))
{
response.ResponseMetadata = ResponseMetadataUnmarshaller.Instance.Unmarshall(context);
}
}
}
return(response);
}
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
DescribeLaunchConfigurationsResponse response = new DescribeLaunchConfigurationsResponse();
while (context.Read())
{
if (context.IsStartElement)
{
if (context.TestExpression("DescribeLaunchConfigurationsResult", 2))
{
response.DescribeLaunchConfigurationsResult = DescribeLaunchConfigurationsResultUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
if (context.TestExpression("ResponseMetadata", 2))
{
response.ResponseMetadata = ResponseMetadataUnmarshaller.GetInstance().Unmarshall(context);
}
}
}
return(response);
}
private static void UnmarshallResult(XmlUnmarshallerContext context, DescribeLaunchConfigurationsResponse response)
{
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
{
targetDepth += 2;
}
while (context.Read())
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("LaunchConfigurations/member", targetDepth))
{
response.LaunchConfigurations.Add(LaunchConfigurationUnmarshaller.GetInstance().Unmarshall(context));
continue;
}
if (context.TestExpression("NextToken", targetDepth))
{
response.NextToken = StringUnmarshaller.GetInstance().Unmarshall(context);
continue;
}
}
else if (context.IsEndElement && context.CurrentDepth < originalDepth)
{
return;
}
}
return;
}
public static void Configure()
{
//Amazon Credentials
string accessKey = ConfigurationManager.AppSettings["AWSAccessKeyId"];
string secretKey = ConfigurationManager.AppSettings["AWSSecretKey"];
string launchConfigurationName = "ScheduledServicesLaunchConfiguration";
string autoScalingGroupName = "ScheduledServiceASG";
string scaleOutPolicyName = "ScheduledServicesScaleOutSQSPolicy";
string scaleInPolicyName = "ScheduledServicesScaleInSQSPolicy";
string scaleOutARN = "";
string scaleInARN = "";
string queueName = "ScheduledServicesSQS";
string queueURL = "";
string amiID = "AMI_ID";
string instanceType = "INSTANCE_TYPE";
AmazonAutoScalingClient autoScaleClient = new AmazonAutoScalingClient(accessKey, secretKey, RegionEndpoint.USWest2);
AmazonSQSClient sqsClient = new AmazonSQSClient(accessKey, secretKey, RegionEndpoint.USWest2);
Console.WriteLine("¡¡¡CONFIGURATION INITIALIZED!!!");
Console.WriteLine("");
Console.WriteLine("--------- SQS ---------");
Console.WriteLine("");
Console.WriteLine("Creating the simple queue service item");
Console.WriteLine("");
//Get or create the sqs instance
CreateQueueRequest createQueueRequest = new CreateQueueRequest(queueName);
CreateQueueResponse createQueueResponse = sqsClient.CreateQueue(createQueueRequest);
queueURL = createQueueResponse.QueueUrl;
Console.WriteLine("Created the simple queue service item with name: " + queueName + " and url: " + queueURL);
Console.WriteLine("");
Console.WriteLine("--------- EC2 ---------");
Console.WriteLine("");
//If not exists any launch configuration with this name, creates
DescribeLaunchConfigurationsRequest describeLaunchConfigurationsRequest = new DescribeLaunchConfigurationsRequest();
describeLaunchConfigurationsRequest.LaunchConfigurationNames = new List <string>()
{
launchConfigurationName
};
DescribeLaunchConfigurationsResponse describeLaunchConfigurationsResponse = autoScaleClient.DescribeLaunchConfigurations(describeLaunchConfigurationsRequest);
Console.WriteLine("Creating the launch configuration");
Console.WriteLine("");
if (describeLaunchConfigurationsResponse.LaunchConfigurations.Count == 0)
{
//Create Launch Configuration Request
CreateLaunchConfigurationRequest launchConfigurationRequest = new CreateLaunchConfigurationRequest();
launchConfigurationRequest.LaunchConfigurationName = launchConfigurationName;
launchConfigurationRequest.ImageId = amiID;
launchConfigurationRequest.InstanceType = instanceType;
//Create Launch Configuration Response
CreateLaunchConfigurationResponse launchConfigurationResponse = autoScaleClient.CreateLaunchConfiguration(launchConfigurationRequest);
Console.WriteLine("Created the launch configuration with name: " + launchConfigurationName);
Console.WriteLine("");
}
else
{
Console.WriteLine("Founded the launch configuration with name: " + launchConfigurationName);
Console.WriteLine("");
}
Console.WriteLine("Creating the autoscaling group");
Console.WriteLine("");
DescribeAutoScalingGroupsRequest describeAutoScalingGroupsRequest = new DescribeAutoScalingGroupsRequest();
describeAutoScalingGroupsRequest.AutoScalingGroupNames = new List <string>()
{
autoScalingGroupName
};
DescribeAutoScalingGroupsResponse describeAutoScalingGroupsResponse = autoScaleClient.DescribeAutoScalingGroups(describeAutoScalingGroupsRequest);
if (describeAutoScalingGroupsResponse.AutoScalingGroups.Count == 0)
{
//Create Auto Scaling Group Request
CreateAutoScalingGroupRequest autoScalingGroupRequest = new CreateAutoScalingGroupRequest();
autoScalingGroupRequest.AutoScalingGroupName = autoScalingGroupName;
autoScalingGroupRequest.MinSize = 1;
autoScalingGroupRequest.MaxSize = 3;
autoScalingGroupRequest.DesiredCapacity = 1;
autoScalingGroupRequest.AvailabilityZones = new List <string>()
{
"us-west-2a", "us-west-2b", "us-west-2c"
};
autoScalingGroupRequest.LaunchConfigurationName = launchConfigurationName;
//Create Auto Scaling Group Response
autoScaleClient.CreateAutoScalingGroup(autoScalingGroupRequest);
Console.WriteLine("Created the autoscaling group with name: " + autoScalingGroupName);
Console.WriteLine("");
}
else
{
Console.WriteLine("Founded the autoscaling group with name: " + autoScalingGroupName);
Console.WriteLine("");
}
Console.WriteLine("Creating the scale out policy");
Console.WriteLine("");
//Policies
//Creating scaling out policy for the SQS
PutScalingPolicyRequest scalingOutPolicyRequest = new PutScalingPolicyRequest();
scalingOutPolicyRequest.PolicyName = scaleOutPolicyName;
scalingOutPolicyRequest.AutoScalingGroupName = autoScalingGroupName;
scalingOutPolicyRequest.ScalingAdjustment = -1;
scalingOutPolicyRequest.AdjustmentType = "ChangeInCapacity";
PutScalingPolicyResponse scalingOutPolicyResponse = autoScaleClient.PutScalingPolicy(scalingOutPolicyRequest);
scaleOutARN = scalingOutPolicyResponse.PolicyARN;
Console.WriteLine("Created the scale out policy with arn: " + scaleOutARN);
Console.WriteLine("");
Console.WriteLine("Creating the scale in policy");
Console.WriteLine("");
//Creating scaling in policy for the SQS
PutScalingPolicyRequest scalingInPolicyRequest = new PutScalingPolicyRequest();
scalingInPolicyRequest.PolicyName = scaleInPolicyName;
scalingInPolicyRequest.AutoScalingGroupName = autoScalingGroupName;
scalingInPolicyRequest.ScalingAdjustment = 1;
scalingInPolicyRequest.AdjustmentType = "ChangeInCapacity";
PutScalingPolicyResponse scalingInPolicyResponse = autoScaleClient.PutScalingPolicy(scalingInPolicyRequest);
scaleInARN = scalingInPolicyResponse.PolicyARN;
Console.WriteLine("Created the scale in policy with arn: " + scaleInARN);
Console.WriteLine("");
AmazonCloudWatchClient cloudWatchClient = new AmazonCloudWatchClient(accessKey, secretKey, RegionEndpoint.USWest2);
Console.WriteLine("--------- CLOUD WATCH ---------");
Console.WriteLine("");
Console.WriteLine("Creating the scale in policy");
Console.WriteLine("");
//Scale In
PutMetricAlarmRequest metricAlarmScaleInRequest = new PutMetricAlarmRequest();
metricAlarmScaleInRequest.AlarmName = "ScheduledServicesScaleInMetric";
metricAlarmScaleInRequest.MetricName = "ApproximateNumberOfMessagesVisible";
metricAlarmScaleInRequest.Namespace = "AWS/SQS";
metricAlarmScaleInRequest.Period = 300;
metricAlarmScaleInRequest.Threshold = 3;
metricAlarmScaleInRequest.ComparisonOperator = ComparisonOperator.GreaterThanOrEqualToThreshold;
metricAlarmScaleInRequest.Statistic = new Statistic("Average");
Dimension dimensionScaleIn = new Dimension();
dimensionScaleIn.Name = "QueueName";
dimensionScaleIn.Value = queueName;
metricAlarmScaleInRequest.Dimensions.Add(dimensionScaleIn);
metricAlarmScaleInRequest.EvaluationPeriods = 2;
metricAlarmScaleInRequest.AlarmActions.Add(scaleInARN);
cloudWatchClient.PutMetricAlarm(metricAlarmScaleInRequest);
Console.WriteLine("Created the scale in policy with name: ScheduledServicesScaleInMetric");
Console.WriteLine("");
Console.WriteLine("Creating the scale out policy");
Console.WriteLine("");
//Scale Out
PutMetricAlarmRequest metricAlarmScaleOutRequest = new PutMetricAlarmRequest();
metricAlarmScaleOutRequest.AlarmName = "ScheduledServicesScaleOutMetric";
metricAlarmScaleOutRequest.MetricName = "ApproximateNumberOfMessagesVisible";
metricAlarmScaleOutRequest.Namespace = "AWS/SQS";
metricAlarmScaleOutRequest.Period = 300;
metricAlarmScaleOutRequest.Threshold = 3;
metricAlarmScaleOutRequest.ComparisonOperator = ComparisonOperator.LessThanThreshold;
metricAlarmScaleOutRequest.Statistic = new Statistic("Average");
Dimension dimensionScaleOut = new Dimension();
dimensionScaleOut.Name = "QueueName";
dimensionScaleOut.Value = queueName;
metricAlarmScaleOutRequest.Dimensions.Add(dimensionScaleOut);
metricAlarmScaleOutRequest.EvaluationPeriods = 2;
metricAlarmScaleOutRequest.AlarmActions.Add(scaleOutARN);
cloudWatchClient.PutMetricAlarm(metricAlarmScaleOutRequest);
Console.WriteLine("Created the scale out policy with name: ScheduledServicesScaleOutMetric");
Console.WriteLine("");
Console.WriteLine("¡¡¡CONFIGURATION FINISHED!!!");
}
