private async Task PutTableAlarm(string alarmName, string tableName, string metricName,
string snsTopicArn, double thresholdInUnits, int periodSeconds)
{
var alarmRequest = new PutMetricAlarmRequest
{
AlarmName = alarmName,
AlarmDescription = AwsConstants.DefaultDescription,
MetricName = metricName,
Statistic = new Statistic("Sum"),
Dimensions = new List <Dimension>
{
new Dimension {
Name = "TableName", Value = tableName
}
},
EvaluationPeriods = 1,
Period = periodSeconds,
Threshold = thresholdInUnits,
ComparisonOperator = ComparisonOperator.GreaterThanOrEqualToThreshold,
Namespace = AwsNamespace.DynamoDb,
AlarmActions = new List <string> {
snsTopicArn
},
OKActions = new List <string> {
snsTopicArn
}
};
await _cloudWatchClient.PutMetricAlarmAsync(alarmRequest);
AlarmPutCount++;
_logger.Info($"Put table alarm {alarmName} at threshold {thresholdInUnits} and period {periodSeconds}s");
}
public void TestDescribeAlarms()
{
string metricName = this.GetType().Name + DateTime.Now.Ticks;
PutMetricAlarmRequest[] rqs = CreateTwoNewAlarms(metricName);
PutMetricAlarmRequest rq1 = rqs[0];
PutMetricAlarmRequest rq2 = rqs[1];
/*
* Describe them
*/
DescribeAlarmsForMetricResult describeResult = Client.DescribeAlarmsForMetric(new DescribeAlarmsForMetricRequest()
{
Dimensions = rq1.Dimensions,
MetricName = metricName,
Namespace = rq1.Namespace
});
Assert.AreEqual(2, describeResult.MetricAlarms.Count);
foreach (MetricAlarm alarm in describeResult.MetricAlarms)
{
Assert.IsTrue(rq1.AlarmName.Equals(alarm.AlarmName) || rq2.AlarmName.Equals(alarm.AlarmName));
Assert.IsTrue(alarm.ActionsEnabled);
}
}
private async Task PutQueueLengthAlarm(string alarmName, string queueName,
string snsTopicArn, double thresholdInUnits)
{
var alarmRequest = new PutMetricAlarmRequest
{
AlarmName = alarmName,
AlarmDescription = AwsConstants.DefaultDescription,
MetricName = AwsMetrics.MessagesVisible,
Statistic = new Statistic("Sum"),
Dimensions = new List <Dimension>
{
new Dimension {
Name = "QueueName", Value = queueName
}
},
EvaluationPeriods = 1,
Period = AwsConstants.FiveMinutesInSeconds,
Threshold = thresholdInUnits,
ComparisonOperator = ComparisonOperator.GreaterThanOrEqualToThreshold,
Namespace = AwsNamespace.Sqs,
AlarmActions = new List <string> {
snsTopicArn
},
OKActions = new List <string> {
snsTopicArn
}
};
await _cloudWatchClient.PutMetricAlarmAsync(alarmRequest);
AlarmPutCount++;
_logger.Info($"Put queue length alarm {alarmName} at threshold {thresholdInUnits}");
}
/**
* Creates two alarms on the metric name given and returns the two requests
* as an array.
*/
private PutMetricAlarmRequest[] CreateTwoNewAlarms(String metricName)
{
PutMetricAlarmRequest[] rqs = new PutMetricAlarmRequest[2];
/*
* Put two metric alarms
*/
rqs[0] = new PutMetricAlarmRequest()
{
ActionsEnabled = true,
AlarmDescription = "Some alarm description",
AlarmName = ALARM_BASENAME + metricName,
ComparisonOperator = "GreaterThanThreshold",
Dimensions = new List <Dimension>
{
new Dimension {
Name = "InstanceType", Value = "m1.small"
}
},
EvaluationPeriods = 1,
MetricName = metricName,
Namespace = "AWS/EC2",
Period = 60,
Statistic = "Average",
Threshold = 1.0,
Unit = "Count"
};
Client.PutMetricAlarm(rqs[0]);
rqs[1] = new PutMetricAlarmRequest()
{
ActionsEnabled = true,
AlarmDescription = "Some alarm description 2",
AlarmName = "An Alarm Name 2" + metricName,
ComparisonOperator = "GreaterThanThreshold",
Dimensions = new List <Dimension>
{
new Dimension {
Name = "InstanceType", Value = "m1.small"
}
},
EvaluationPeriods = 1,
MetricName = metricName,
Namespace = "AWS/EC2",
Period = 60,
Statistic = "Average",
Threshold = 2.0,
Unit = "Count"
};
Client.PutMetricAlarm(rqs[1]);
return(rqs);
}
public static void CWPutMetricAlarm()
{
#region CWPutMetricAlarm
var client = new AmazonCloudWatchClient();
var dimension = new Dimension
{
Name = "Desktop Machine Metrics",
Value = "Virtual Desktop Machine Usage"
};
var request = new PutMetricAlarmRequest
{
ActionsEnabled = true,
AlarmActions = new List <string>()
{
"arn:aws:sns:us-east-1:80398EXAMPLE:CodingTestResults"
},
AlarmDescription = "Too many instances offline",
AlarmName = "Offline Instances",
ComparisonOperator = ComparisonOperator.GreaterThanOrEqualToThreshold,
Dimensions = new List <Dimension>()
{
dimension
},
EvaluationPeriods = 1,
MetricName = "Desktop Machines Offline",
Namespace = "Example.com Custom Metrics",
Period = (int)TimeSpan.FromMinutes(5).TotalSeconds,
Statistic = new Statistic("Maximum"),
Threshold = 5,
Unit = StandardUnit.Count
};
client.PutMetricAlarm(request);
#endregion
}
private static bool IsForIndex(PutMetricAlarmRequest r, string indexName)
{
return(r.Dimensions.Count(x => x.Name == "GlobalSecondaryIndexName" && x.Value == indexName) == 1);
}
private static bool IsForTable(PutMetricAlarmRequest r, string tableName)
{
return(r.Dimensions.Count(x => x.Name == "TableName" && x.Value == tableName) == 1);
}
public void TestDisableEnableAlarms()
{
String metricName = this.GetType().Name + DateTime.Now.Ticks;
PutMetricAlarmRequest[] rqs = CreateTwoNewAlarms(metricName);
PutMetricAlarmRequest rq1 = rqs[0];
PutMetricAlarmRequest rq2 = rqs[1];
/*
* Disable
*/
DisableAlarmActionsRequest disable = new DisableAlarmActionsRequest()
{
AlarmNames = new List <string> {
rq1.AlarmName, rq2.AlarmName
}
};
Client.DisableAlarmActions(disable);
DescribeAlarmsForMetricResult describeResult = Client.DescribeAlarmsForMetric(new DescribeAlarmsForMetricRequest()
{
Dimensions = rq1.Dimensions,
MetricName = metricName,
Namespace = rq1.Namespace
});
Assert.AreEqual(2, describeResult.MetricAlarms.Count);
foreach (MetricAlarm alarm in describeResult.MetricAlarms)
{
Assert.IsTrue(rq1.AlarmName.Equals(alarm.AlarmName) || rq2.AlarmName.Equals(alarm.AlarmName));
Assert.IsFalse(alarm.ActionsEnabled);
}
/*
* Enable
*/
EnableAlarmActionsRequest enable = new EnableAlarmActionsRequest()
{
AlarmNames = new List <string> {
rq1.AlarmName, rq2.AlarmName
}
};
Client.EnableAlarmActions(enable);
describeResult = Client.DescribeAlarmsForMetric(new DescribeAlarmsForMetricRequest()
{
Dimensions = rq1.Dimensions,
MetricName = metricName,
Namespace = rq1.Namespace
});
Assert.AreEqual(2, describeResult.MetricAlarms.Count);
foreach (MetricAlarm alarm in describeResult.MetricAlarms)
{
Assert.IsTrue(rq1.AlarmName.Equals(alarm.AlarmName) ||
rq2.AlarmName.Equals(alarm.AlarmName));
Assert.IsTrue(alarm.ActionsEnabled);
}
}
public void TestSetAlarmStateAndHistory()
{
String metricName = this.GetType().Name + DateTime.Now.Ticks;
PutMetricAlarmRequest[] rqs = CreateTwoNewAlarms(metricName);
PutMetricAlarmRequest rq1 = rqs[0];
PutMetricAlarmRequest rq2 = rqs[1];
/*
* Set the state
*/
SetAlarmStateRequest setAlarmStateRequest = new SetAlarmStateRequest()
{
AlarmName = rq1.AlarmName,
StateValue = "ALARM",
StateReason = "manual"
};
Client.SetAlarmState(setAlarmStateRequest);
setAlarmStateRequest = new SetAlarmStateRequest()
{
AlarmName = rq2.AlarmName,
StateValue = "ALARM",
StateReason = "manual"
};
Client.SetAlarmState(setAlarmStateRequest);
DescribeAlarmsForMetricResult describeResult = Client
.DescribeAlarmsForMetric(
new DescribeAlarmsForMetricRequest()
{
Dimensions = rq1.Dimensions,
MetricName = metricName,
Namespace = rq1.Namespace
});
Assert.AreEqual(2, describeResult.MetricAlarms.Count);
foreach (MetricAlarm alarm in describeResult.MetricAlarms)
{
Assert.IsTrue(rq1.AlarmName.Equals(alarm.AlarmName) ||
rq2.AlarmName.Equals(alarm.AlarmName));
Assert.IsTrue("ALARM".Equals(alarm.StateValue) || "INSUFFICIENT_DATA".Equals(alarm.StateValue));
if ("ALARM".Equals(alarm.StateValue))
{
Assert.AreEqual(setAlarmStateRequest.StateReason, alarm.StateReason);
}
}
/*
* Get the history
*/
DescribeAlarmHistoryRequest alarmHistoryRequest = new DescribeAlarmHistoryRequest()
{
AlarmName = rq1.AlarmName,
HistoryItemType = "StateUpdate"
};
DescribeAlarmHistoryResult historyResult = Client.DescribeAlarmHistory(alarmHistoryRequest);
Assert.IsTrue(historyResult.AlarmHistoryItems.Count > 0);
}
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!!!");
}
