public static async Task <MetricAlarm> UpsertAELBMetricAlarmAsync(
this CloudWatchHelper cwh, ELBHelper elb,
string name,
string loadBalancer,
string targetGroup,
ELBMetricName metric,
ComparisonOperator comparisonOperator,
int treshold,
Statistic statistic = null,
int dataPointToAlarm = 1,
int evaluationPeriod = 1,
int requestDelay = 1000,
CancellationToken cancellationToken = default(CancellationToken))
{
var alb = (await elb.GetLoadBalancersByName(loadBalancer, throwIfNotFound: true)).Single();
var tg = await elb.GetTargetGroupByName(targetGroup, alb, throwIfNotFound : true);
var loadBalanceValue = alb.LoadBalancerArn.SplitByLast(':')[1].TrimStartSingle("loadbalancer/");
var targetGroupValue = tg.TargetGroupArn.SplitByLast(':')[1];
var stat = statistic != null ? statistic :
(comparisonOperator == ComparisonOperator.GreaterThanOrEqualToThreshold || comparisonOperator == ComparisonOperator.GreaterThanThreshold)
? Statistic.Maximum : Statistic.Minimum;
var deleteAlarm = await cwh.DeleteMetricAlarmAsync(name, throwIfNotFound : false);
if (deleteAlarm.HttpStatusCode != System.Net.HttpStatusCode.NotFound)
{
await Task.Delay(requestDelay); //lets ensure metric was removed before we push new request
}
var mar = await cwh.PutAELBMetricAlarmAsync(
name, loadBalanceValue, targetGroupValue,
metric : metric,
comparisonOperator : comparisonOperator,
statistic : stat,
treshold : treshold,
dataPointToAlarm : dataPointToAlarm,
evaluationPeriod : evaluationPeriod,
cancellationToken : cancellationToken);
await Task.Delay(requestDelay); //lets ensure metric exists before we search for it
return(await cwh.GetMetricAlarmAsync(name : name, throwIfNotFound : true, cancellationToken : cancellationToken));
}
public Task <PutMetricAlarmResponse> PutAELBMetricAlarmAsync(
string name,
string loadBalancer,
string targetGroup,
ELBMetricName metric,
ComparisonOperator comparisonOperator,
Statistic statistic,
int treshold,
int dataPointToAlarm = 1,
int evaluationPeriod = 1,
CancellationToken cancellationToken = default(CancellationToken))
=> _client.PutMetricAlarmAsync(new PutMetricAlarmRequest()
{
AlarmName = name,
Period = 60,
Namespace = "AWS/ApplicationELB",
Dimensions = new List <Dimension>()
{
new Dimension()
{
Name = "LoadBalancer",
Value = loadBalancer //app/test-1-ui-1-alb-pub/0d603d7ab786c184
},
new Dimension()
{
Name = "TargetGroup",
Value = targetGroup //"targetgroup/test-1-ui-1-tg-public/a74c4ffa6cb637ab"
}
},
MetricName = metric.ToString(),
EvaluationPeriods = evaluationPeriod,
DatapointsToAlarm = dataPointToAlarm,
ComparisonOperator = comparisonOperator,
ActionsEnabled = true,
Statistic = statistic,
Threshold = treshold,
AlarmDescription = "Auto Generated by Asmodat AWSWrapper Toolkit."
}, cancellationToken).EnsureSuccessAsync();
