public static bool AlarmAndOkActionsAreEqual(MetricAlarm alarm)
{
var alarmCount = alarm.AlarmActions?.Count ?? 0;
var okCount = alarm.OKActions?.Count ?? 0;
if (alarmCount != okCount)
{
return(false);
}
if (alarmCount == 0)
{
return(true);
}
var allAlarmActions = string.Join(",", alarm.AlarmActions);
var allOkActions = string.Join(",", alarm.OKActions);
return(string.Equals(allAlarmActions, allOkActions, StringComparison.OrdinalIgnoreCase));
}
private void LogDifferences(MetricAlarm existingAlarm, string alarmName, double thresholdInUnits, int periodSeconds)
{
if (existingAlarm.Period != periodSeconds)
{
_logger.Info($"Table alarm {alarmName} period has changed from {existingAlarm.Period} to {periodSeconds}");
}
if (AlarmThresholds.AreEqual(existingAlarm.Threshold, thresholdInUnits))
{
return;
}
if (existingAlarm.Threshold < thresholdInUnits)
{
_logger.Info($"Table alarm {alarmName} already exists at lower threshold {existingAlarm.Threshold}. Will increase to {thresholdInUnits}");
}
else
{
_logger.Info($"Table alarm {alarmName} already exists at higher threshold {existingAlarm.Threshold}. Will decrease to {thresholdInUnits}");
}
}
public void AlarmTest()
{
var alarmName = ALARM_BASENAME + DateTime.Now.Ticks;
var putResponse = Client.PutMetricAlarm(new PutMetricAlarmRequest()
{
AlarmName = alarmName,
Threshold = 100,
Period = 120,
EvaluationPeriods = 60,
Namespace = "MyNamespace",
Unit = "Percent",
MetricName = "CPU",
Statistic = "Average",
ComparisonOperator = "GreaterThanThreshold",
AlarmDescription = "This is very important"
});
try
{
var describeResponse = Client.DescribeAlarms(new DescribeAlarmsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
Assert.AreEqual(1, describeResponse.MetricAlarms.Count);
MetricAlarm alarm = describeResponse.MetricAlarms[0];
Assert.AreEqual(100, alarm.Threshold);
Assert.AreEqual(120, alarm.Period);
Assert.AreEqual(60, alarm.EvaluationPeriods);
Assert.AreEqual("MyNamespace", alarm.Namespace);
Assert.AreEqual(StandardUnit.Percent, alarm.Unit);
Assert.AreEqual(Statistic.Average, alarm.Statistic);
Assert.AreEqual(ComparisonOperator.GreaterThanThreshold, alarm.ComparisonOperator);
Assert.AreEqual("This is very important", alarm.AlarmDescription);
var setResponse = Client.SetAlarmState(new SetAlarmStateRequest()
{
AlarmName = alarmName,
StateValue = "ALARM",
StateReason = "Just Testing"
});
describeResponse = Client.DescribeAlarms(new DescribeAlarmsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
alarm = describeResponse.MetricAlarms[0];
Assert.IsTrue("ALARM".Equals(alarm.StateValue) || "INSUFFICIENT_DATA".Equals(alarm.StateValue));
if ("ALARM".Equals(alarm.StateValue))
{
Assert.AreEqual("Just Testing", alarm.StateReason);
}
Client.EnableAlarmActions(new EnableAlarmActionsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
describeResponse = Client.DescribeAlarms(new DescribeAlarmsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
alarm = describeResponse.MetricAlarms[0];
Assert.IsTrue(alarm.ActionsEnabled);
Client.DisableAlarmActions(new DisableAlarmActionsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
describeResponse = Client.DescribeAlarms(new DescribeAlarmsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
alarm = describeResponse.MetricAlarms[0];
Assert.IsFalse(alarm.ActionsEnabled);
var describeMetricResponse = Client.DescribeAlarmsForMetric(new DescribeAlarmsForMetricRequest()
{
MetricName = "CPU",
Namespace = "MyNamespace"
});
alarm = null;
foreach (var a in describeMetricResponse.MetricAlarms)
{
if (a.AlarmName.Equals(alarmName))
{
alarm = a;
break;
}
}
Assert.IsNotNull(alarm);
var describeHistory = Client.DescribeAlarmHistory(new DescribeAlarmHistoryRequest()
{
AlarmName = alarmName
});
Assert.IsTrue(describeHistory.AlarmHistoryItems.Count > 0);
}
finally
{
Client.DeleteAlarms(new DeleteAlarmsRequest()
{
AlarmNames = new List <string> {
alarmName
}
});
}
}
